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java: okhttp3.RequestBody中的create(okhttp3.MediaType,java.lang.String)已过时 怎么办

时间: 2024-05-10 19:21:14 浏览: 369
可以使用新的create方法,它接受一个byte数组作为参数,例如: ``` byte[] data = "Hello, World!".getBytes(); RequestBody body = RequestBody.create(MediaType.parse("text/plain"), data); ``` 或者使用新的create方法,它接受一个okio.BufferedSource作为参数,例如: ``` BufferedSource source = Okio.buffer(Okio.source(new File("file.txt"))); RequestBody body = RequestBody.create(MediaType.parse("text/plain"), source); ```
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org.springframework.web.util.NestedServltException:Handler dispath failed;nested exception is java.lang.NoClassDeffoundError:okhttp3.requestBody.create([BLikhttp3/MediaType;)Lokhttp3/RequestBody

<think>好的,我现在需要解决用户的问题:在SpringBoot中,由于缺少okhttp3依赖导致的NoClassDefFoundError,具体错误是Handlerdispatch失败,找不到okhttp3.RequestBody.create(MediaType)这个类。用户想知道如何添加正确的依赖。首先,我应该回忆一下常见的NoClassDefFoundError的原因。这通常是因为项目依赖中没有包含所需的类,或者依赖版本不兼容。用户明确提到是okhttp3.RequestBody的问题,所以需要确认是否正确添加了OkHttp的依赖。接下来,我需要考虑SpringBoot项目中如何管理依赖。通常使用Maven或Gradle,所以需要分别给出这两种构建工具的依赖配置。OkHttp的groupId是com.squareup.okhttp3,artifactId是okhttp,版本方面,可能需要选择与Spring Boot兼容的版本,或者使用最新的稳定版。然后,检查用户提供的引用内容。引用[1]提到Groovy的CompilerConfiguration类缺失,引用[2]涉及Jackson的ObjectMapper,引用[3]是空指针异常,引用[4]建议检查Maven插件配置和JDK版本。虽然这些引用不完全相关,但可以借鉴解决依赖问题的一般方法,比如确保依赖版本正确,构建配置正确,以及JDK版本兼容。 用户的问题可能在于未在pom.xml或build.gradle中添加OkHttp依赖,或者添加的版本不正确。例如,可能用户添加了旧版本的okhttp,其中RequestBody.create方法的参数与当前使用的不同,导致找不到方法。需要确认OkHttp的版本是否支持RequestBody.create(MediaType, ...)方法。 另外,考虑到OkHttp和Retrofit经常一起使用,如果用户使用的是Retrofit,可能需要同时添加Retrofit的依赖,但用户的问题主要集中在OkHttp上。现在需要给出具体的解决步骤:1.添加OkHttp依赖到项目中,使用正确的版本。2.检查依赖是否被正确下载,可能需要执行Maven的clean install或Gradle的build。3.确认代码中使用的OkHttp API是否与依赖版本匹配,例如RequestBody.create方法的参数是否与依赖版本一致。 4.如果使用Spring Boot的父POM,可能不需要指定版本号,或者需要覆盖版本号。例如,在Maven中添加:<dependency><groupId>com.squareup.okhttp3</groupId><artifactId>okhttp</artifactId><version>4.9.3</version></dependency> 在Gradle中: implementation'com.squareup.okhttp3:okhttp:4.9.3'然后,需要提醒用户注意版本兼容性,比如最新的OkHttp版本是否与当前SpringBoot版本兼容。如果用户使用的是较旧的Spring Boot,可能需要选择稍旧的OkHttp版本。另外,用户提到的错误信息中提到了RequestBody.create(MediaType),需要确认在OkHttp的版本中是否存在这个方法。例如,在OkHttp3.x中,RequestBody.create方法可能有不同的参数,比如需要内容字符串或字节数组,而MediaType作为第一个参数。而在4.x版本中,参数可能有所不同。因此,用户代码中的调用方式需要与依赖版本一致,否则会导致NoSuchMethodError,进而引发NoClassDefFoundError。 如果用户已经添加了依赖,但版本不正确,也会导致此问题。因此,建议用户检查所使用的OkHttp版本,并调整代码或依赖版本以匹配。 总结步骤:-添加正确的OkHttp依赖。-清理和重新构建项目。-检查方法调用与依赖版本的兼容性。</think>### 解决Spring Boot中缺失okhttp3依赖导致的NoClassDefFoundError #### 问题定位 `NoClassDefFoundError: okhttp3.RequestBody.create(MediaType)` 表明项目中缺少 `okhttp3` 依赖,或依赖版本与代码中调用的API不兼容[^1][^2]。 #### 解决步骤 1. **添加okhttp3依赖** - **Maven项目**(`pom.xml`): ```xml <dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> <version>4.9.3</version> <!-- 或与Spring Boot兼容的最新版本 --> </dependency> ``` - **Gradle项目**(`build.gradle`): ```groovy implementation 'com.squareup.okhttp3:okhttp:4.9.3' ``` 2. **验证依赖加载** - 执行 `mvn clean install`(Maven)或 `gradle build`(Gradle)确保依赖下载成功。 - 检查IDE的依赖库列表,确认 `okhttp-4.9.3.jar` 存在。 3. **检查API兼容性** - 在 `okhttp 4.x` 中,`RequestBody.create()` 的参数可能为: $$ \text{RequestBody.create(String content, MediaType mediaType)} $$ 或需要明确的数据类型(如字节数组)。若代码中调用方式与依赖版本不匹配,需调整代码[^4]。 4. **清理并重启项目** - 清理构建缓存(如Maven的`target`目录),重启应用服务器。 #### 扩展建议 - 若使用 **Retrofit**,需同时添加其依赖: ```xml <dependency> <groupId>com.squareup.retrofit2</groupId> <artifactId>retrofit</artifactId> <version>2.9.0</version> </dependency> ``` - 若依赖冲突,通过 `mvn dependency:tree` 分析依赖树,排除重复库。

An attempt was made to call a method that does not exist. The attempt was made from the following location: io.minio.S3Base.<clinit>(S3Base.java:104) The following method did not exist: okhttp3.RequestBody.create([BLokhttp3/MediaType;)Lokhttp3/RequestBody; The method's class, okhttp3.RequestBody, is available from the following locations:

<think>好的,我现在要解决用户遇到的这个错误。用户提到在调用io.minio.S3Base的类初始化时出现了方法不存在的问题,具体是找不到okhttp3.RequestBody.create的这个方法。首先,我需要理解这个错误的根本原因。 根据错误信息,问题出在S3Base.java的第104行尝试调用了一个不存在的方法RequestBody.create,这个方法接受一个byte数组和一个MediaType参数。而用户提供的类路径中确实存在RequestBody类,但可能版本不兼容。我需要确认不同版本的OkHttp库中这个方法的变更情况。 回忆一下,OkHttp 3.x到4.x版本之间有一些重大的API变化。比如,在OkHttp 4.0.0之后,RequestBody的create方法被移除了,改为使用静态工厂方法,如RequestBody.create(byte[], MediaType)。但用户这里报错的方法签名是create([BLokhttp3/MediaType;),看起来像是旧版本的调用方式。这可能意味着Minio客户端库在编译时使用了旧版本的OkHttp,而用户的项目中实际引入的是新版本,导致方法不存在。 接下来,我需要检查用户项目中的依赖关系。用户可能使用了Minio Java客户端,而该客户端依赖的是较旧的OkHttp 3.x版本,但用户的项目中直接或间接地引入了OkHttp 4.x,导致版本冲突。这时候,Maven或Gradle可能会因为依赖解析规则选择了更高版本的OkHttp,从而引发方法不存在的错误。 解决方案可能包括:1)强制项目使用与Minio客户端兼容的OkHttp版本,比如3.x;2)升级Minio客户端到支持OkHttp 4.x的版本。需要查看Minio客户端的文档或更新日志,确认哪个版本开始支持OkHttp 4.x。例如,Minio Java客户端从某个版本(比如8.0.0)之后可能升级了依赖,这样用户需要调整自己的依赖版本。 此外,用户可能还需要检查依赖树,排除掉旧版本的OkHttp,确保所有模块都使用同一版本。比如在Maven中可以使用<exclusions>标签,或者在Gradle中使用exclude语句来移除传递依赖带来的旧版本。 另一个可能性是用户手动引入了不同版本的OkHttp,导致冲突。这时候需要统一版本号,或者在构建工具中明确指定使用的版本。同时,用户需要注意是否有其他库依赖了不同版本的OkHttp,这可能需要逐一排查和调整。 如果用户暂时无法升级Minio客户端,可能需要降级OkHttp到兼容的版本,比如3.14.x,但需要注意是否与其他库兼容。另外,查看Minio客户端的GitHub仓库或issue跟踪系统,看看是否有类似的问题和解决方案,或者是否有社区提供的补丁。 总结来说,用户需要确保Minio客户端和OkHttp的版本兼容,处理依赖冲突,可能需要调整依赖版本或排除冲突的库。如果用户提供具体的构建工具和依赖配置,可以更具体地指导他们如何修改pom.xml或build.gradle文件来解决这个问题。</think>这个错误提示表明在Java项目中使用Minio客户端库时,发生了依赖库版本不兼容的问题。以下是逐步分析及解决方案: --- ### **错误原因分析** 1. **触发位置** 错误发生在`io.minio.S3Base`类的静态初始化块(`<clinit>`)第104行,说明是类加载时发生的错误。 2. **缺失的方法** ```plaintext okhttp3.RequestBody.create([BLokhttp3/MediaType;)Lokhttp3/RequestBody; ``` 此方法试图调用`RequestBody.create(byte[], MediaType)`,但实际依赖库中不存在该方法。 3. **根本问题** - Minio客户端依赖的`okhttp`版本与项目中实际引入的`okhttp`版本不兼容。 - **关键变化**:在`okhttp 4.x`版本中,`RequestBody.create()`方法签名发生了变化,旧版本(如3.x)的方法被废弃或移除。 --- ### **解决方案** #### 1. **检查依赖版本** - **Minio客户端版本与OkHttp的兼容性** Minio Java客户端的某些版本(如`8.x+`)需要`okhttp 4.x+`,而旧版本(如`7.x-`)依赖`okhttp 3.x`。 通过项目的构建文件(`pom.xml`或`build.gradle`)确认依赖版本: ```xml <!-- Maven示例:检查Minio版本 --> <dependency> <groupId>io.minio</groupId> <artifactId>minio</artifactId> <version>8.5.7</version> <!-- 需要okhttp 4.x --> </dependency> ``` ```gradle // Gradle示例 implementation 'io.minio:minio:8.5.7' ``` - **检查OkHttp实际引入的版本** 运行以下命令查看依赖树: ```bash mvn dependency:tree | grep okhttp # 或 gradle dependencies | grep okhttp ``` #### 2. **统一OkHttp版本** - **如果使用Minio 8.x+** 确保引入`okhttp 4.x`: ```xml <!-- Maven示例:强制指定okhttp 4.x --> <dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> <version>4.12.0</version> </dependency> ``` - **如果使用Minio 7.x或更旧版本** 需降级到`okhttp 3.x`,并排除高版本冲突: ```xml <!-- Maven示例:排除旧版本中的高版本okhttp --> <dependency> <groupId>io.minio</groupId> <artifactId>minio</artifactId> <version>7.1.0</version> <exclusions> <exclusion> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> </exclusion> </exclusions> </dependency> <!-- 手动添加okhttp 3.14.x --> <dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> <version>3.14.9</version> </dependency> ``` #### 3. **更新Minio客户端** - 升级到最新Minio版本(如`8.5.7`),通常能自动解决依赖兼容性问题: ```xml <dependency> <groupId>io.minio</groupId> <artifactId>minio</artifactId> <version>8.5.7</version> </dependency> ``` --- ### **验证是否解决** 1. 清理构建缓存: ```bash mvn clean install # 或 gradle clean build ``` 2. 重新运行项目,确认错误是否消失。 --- ### **补充说明** - **关键API变更** 在`okhttp 4.x`中,`RequestBody.create()`的参数顺序和类型发生了变化。例如: ```java // okhttp 3.x RequestBody.create(byte[] content, MediaType type); // okhttp 4.x RequestBody.create(content: ByteArray, type: MediaType?) ``` 虽然方法名相同,但二进制兼容性已被破坏。 - **依赖冲突的典型表现** 如果多个库依赖不同版本的`okhttp`,构建工具(Maven/Gradle)可能自动选择高版本,导致与旧版代码不兼容。 --- 通过上述步骤,您应能定位并解决因`okhttp`版本不兼容导致的Minio客户端初始化错误。
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E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 510 java.lang.IllegalArgumentException: Expected URL scheme 'http' or 'https' but no scheme was found for /app/d... at okhttp3.HttpUrl$Builder.parse$okhttp(HttpUrl.kt:1261) at okhttp3.HttpUrl$Companion.get(HttpUrl.kt:1634) at okhttp3.Request$Builder.url(Request.kt:184) at com.example.kucun2.entity.data.SynchronizedList.syncEntity(SynchronizedList.java:114) at com.example.kucun2.entity.data.SynchronizedList.add(SynchronizedList.java:272) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.createAndSaveDingdan(AddInventoryFragment.java:445) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.lambda$showNewDingdanDialog$8(AddInventoryFragment.java:423) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.$r8$lambda$viLBw5kNmkDSVG17JoXzuH5G85E(Unknown Source:0) at com.example.kucun2.ui.jinhuo.AddInventoryFragment$$ExternalSyntheticLambda20.onClick(D8$$SyntheticClass:0) at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:250) at android.os.Handler.dispatchMessage(Handler.java:109) at android.os.Looper.loopOnce(Looper.java:250) at android.os.Looper.loop(Looper.java:340) at android.app.ActivityThread.main(ActivityThread.java:9913) at java.lang.reflect.Method.invoke(Native Method) <string name="url">https://198.162.31.177:3000</string> <string name="url_all">/app/all</string> <string name="url_bancis">/app/bancai/all</string> <string name="url_caizhis">/app/caizhi/all</string> <string name="url_mupis">/app/mupi/all</string> <string name="url_dingdans">/app/dingdan/all</string> <string name="url_chanpins">/app/chanpin/all</string> <string name="url_zujians">/app/zujian/all</string>

package com.example.kucun2.entity.data; import static android.content.ContentValues.TAG; import android.content.Context; import android.util.Log; import com.example.kucun2.R; import com.example.kucun2.entity.Information; import com.example.kucun2.function.MyAppFnction; import com.example.kucun2.function.TLSUtils; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import java.io.IOException; import java.lang.reflect.Type; import java.util.Map; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.X509TrustManager; import okhttp3.Call; import okhttp3.Callback; import okhttp3.MediaType; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; import okhttp3.ResponseBody; public class ApiClient { // 使用Volley、Retrofit或OkHttp实现以下方法 private static final Gson gson = new Gson(); private static OkHttpClient client; private static final String TAG = "ApiClient"; static { } public static <T, R> void post(String url, Information<T> requestData, ApiCallback<R> callback) { // 1. 构建请求体(JSON格式) String jsonRequest = ReflectionJsonUtils.toJson(requestData); RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonRequest); // 2. 创建POST请求 Request request = new Request.Builder() .url(url) .post(body) .build(); Log.d(TAG, "POST请求URL: " + url); Log.d(TAG, "请求数据: " + jsonRequest); // 3. 发送异步请求 client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "请求失败: " + e.getMessage()); if (callback != null) { callback.onError(-1, e.getMessage()); } } @Override public void onResponse(Call call, Response response) throws IOException { try (ResponseBody responseBody = response.body()) { if (!response.isSuccessful()) { Log.e(TAG, "服务器响应错误: " + response.code() + " - " + response.message()); if (callback != null) { callback.onError(response.code(), response.message()); } return; } // 4. 处理成功响应 String jsonResponse = responseBody.string(); Log.d(TAG, "服务器响应: " + jsonResponse); // 5. 解析为Information对象 // 注意:这里需要提前确定响应中data的类型(TypeToken) Type responseType = new TypeToken<Information<R>>() { }.getType(); Information<R> responseInfo = gson.fromJson(jsonResponse, responseType); if (callback != null) { callback.onSuccess(responseInfo); } } } }); } public static <T, R> void put(String url, Information<T> data, ApiCallback<T> callback) { String jsonRequest = ReflectionJsonUtils.toJson(data); RequestBody body = RequestBody.create(MediaType.parse("application/json"), jsonRequest); Request request = new Request.Builder() .url(url) .put(body) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "PUT request failed", e); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful() && callback != null) { String json = response.body().string(); Type responseType = new TypeToken<Information<T>>(){}.getType(); Information<T> info = gson.fromJson(json, responseType); callback.onSuccess(info); } } }); } public static <R> void delete(String url, ApiCallback<R> callback) { Request request = new Request.Builder() .url(url) .delete() .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "DELETE request failed", e); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful() && callback != null) { // 对于删除操作,通常返回空数据 callback.onSuccess(new Information<>(200, "Deleted", null)); } } }); } public static interface ApiCallback<T> { void onSuccess(Information<T> data); void onError(int statusCode, String error); } } E Sync failed for Chanpin_Zujian java.lang.NullPointerException: Attempt to invoke virtual method 'okhttp3.Call okhttp3.OkHttpClient.newCall(okhttp3.Request)' on a null object reference at com.example.kucun2.entity.data.ApiClient.post(ApiClient.java:58) at com.example.kucun2.entity.data.SynchronizableEntity.createToServer(SynchronizableEntity.java:133) at com.example.kucun2.entity.data.SynchronizableEntity.sync(SynchronizableEntity.java:110) at com.example.kucun2.entity.data.SynchronizableEntity.syncWithDependencies(SynchronizableEntity.java:302) at com.example.kucun2.entity.data.SynchronizedList.add(SynchronizedList.java:81)

package com.example.kgqaapp.controller; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import jakarta.servlet.ServletOutputStream; import jakarta.servlet.http.HttpServletResponse; import okhttp3.*; import org.json.JSONArray; import org.json.JSONObject; import java.io.IOException; import java.io.InputStream; import java.nio.charset.StandardCharsets; import java.util.concurrent.TimeUnit; @Controller @RequestMapping("/v1") public class OpenAIStream { // 1. 配置 MaxKB 接口地址 @Value("${old_maxkb_url}") private String url; // 2. 配置 MaxKB 的 API Key @Value("${maxkb_apikey}") private String apiKey; private final OkHttpClient HTTP_CLIENT = new OkHttpClient.Builder() .connectTimeout(60, TimeUnit.SECONDS) .readTimeout(120, TimeUnit.SECONDS) .writeTimeout(60, TimeUnit.SECONDS) .build(); @PostMapping("/test") public void demo(@RequestBody String message, HttpServletResponse res) throws IOException { // 3. 设置响应头 res.setContentType("text/event-stream;charset=UTF-8"); res.setHeader("Cache-Control", "no-cache"); // 4. 构造请求体 MediaType mediaType = MediaType.parse("application/json"); JSONObject json = new JSONObject(); json.put("messages", new JSONArray(message)); json.put("stream", true); okhttp3.RequestBody body = okhttp3.RequestBody.create(mediaType, json.toString()); Request request = new Request.Builder() .url(url) // MaxKB 完整地址 .post(body) .addHeader("Content-Type", "application/json;charset=UTF-8") .addHeader("Authorization", "Bearer " + apiKey) // 或 "Api-Key: " + apiKey .build(); try (ServletOutputStream out = res.getOutputStream(); Response response = HTTP_CLIENT.newCall(request).execute()) { if (!response.isSuccessful()) { out.write(("event: error\ndata: MaxKB error " + response.code() + "\n\n").getBytes(StandardCharsets.UTF_8)); out.flush(); return; } // 5. 流式转发 try (InputStream in = response.body().byteStream()) { byte[] buffer = new byte[1024]; int len; while ((len = in.read(buffer)) != -1) { out.write(buffer, 0, len); out.flush(); } } } } }这里出问题了,请帮我看看

2025-06-09 22:12:42.286 31140-31140 getEndpoint com.example.kucun2 D getEndpoint: url_add_Dingdan 2025-06-09 22:12:42.290 31140-31140 System.err com.example.kucun2 W R绫绘湭鎵惧埌: com.example.kucun2.R$String 2025-06-09 22:12:42.324 31140-31140 getEndpoint com.example.kucun2 D endpoint: nullpackage com.example.kucun2.entity.data; import android.util.Log; import com.example.kucun2.function.MyAppFnction; public abstract class SynchronizableEntity implements EntityClassGrassrootsid { /** * 添加url * @param type 操作增删改查 * @return 返回相对url */ public String getEndpoint(String type){ //从String.xml获取url Log.d("getEndpoint", "getEndpoint: "+"url_"+type+"_"+this.getClass().getSimpleName()); return MyAppFnction.getStringResource("String","url_"+type+"_"+this.getClass().getSimpleName()); } } package com.example.kucun2.entity.data; import android.util.Log; import androidx.annotation.NonNull; import com.google.gson.Gson; import java.io.IOException; import java.lang.reflect.Method; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Proxy; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.ListIterator; import java.util.Map; import java.util.Objects; import java.util.Set; import okhttp3.Call; import okhttp3.Callback; import okhttp3.MediaType; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; /** 支持数据变更自动同步的泛型集合类 @param <T> 继承自 SynchronizableEntity 的实体类型 */ public class SynchronizedList<T extends EntityClassGrassrootsid> implements List<T> { private final List<T> list = new ArrayList<>(); private final OkHttpClient client = new OkHttpClient(); private static final Gson gson = new Gson(); private static final MediaType JSON = MediaType.get(“application/json; charset=utf-8”); private final Class<T> entityClass; // 类型标记 // 添加批量操作模式标志 private boolean batchMode = false; // 属性变更监听器 private final List> listeners = new ArrayList<>(); // 直接接受Class参数的构造函数 public SynchronizedList(Class<T> entityClass) { this.entityClass = entityClass; } // 安全的类型转换方法 private T safeCast(Object o) { if (o != null && entityClass.isInstance(o)) { return entityClass.cast(o); } return null; } public interface PropertyChangeListener<T> { void onPropertyChange(T entity, String propertyName, Object oldValue, Object newValue); } public void addPropertyChangeListener(PropertyChangeListener<T> listener) { listeners.add(listener); } public void removePropertyChangeListener(PropertyChangeListener<T> listener) { listeners.remove(listener); } // 添加方法来获取原始对象 @SuppressWarnings(“unchecked”) public T getOriginal(T proxy) { if (proxy == null) return null; // 检查是否为代理对象 if (java.lang.reflect.Proxy.isProxyClass(proxy.getClass())) { try { java.lang.reflect.InvocationHandler handler = java.lang.reflect.Proxy.getInvocationHandler(proxy); if (handler instanceof IProxyHandler) { Object original = ((IProxyHandler) handler).getOriginal(); // 安全类型检查 if (entityClass.isInstance(original)) { return (T) original; } } } catch (Exception e) { Log.e("SynchronizedList", "Failed to get proxy handler", e); } } return proxy; } /** 同步实体到后端 @param entity 要同步的实体 */ private void syncEntity(T entity) { if (batchMode) return; String operation = “add”; T originalEntity = getOriginal(entity); String endpoint = originalEntity.getEndpoint(operation); String json = gson.toJson(originalEntity); Log.d(“getEndpoint”, "endpoint: "+endpoint); RequestBody body = RequestBody.create(json, JSON); Request request = new Request.Builder() .url(endpoint) .method(getHttpMethod(operation), body) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { Log.e(“SynchronizedList”, "同步失败: " + entity.getClass().getSimpleName(), e); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) { if (!response.isSuccessful()) { Log.e("SynchronizedList", "同步失败: " + response.code() + " - " + response.message()); } response.close(); } }); } // 添加用于批量操作的方法 public void beginBatch() { this.batchMode = true; } public void endBatch() { this.batchMode = false; // 批量结束后触发一次全量同步 syncAllEntities(); } private void syncAllEntities() { for (T entity : list) { syncEntity(entity); } } private String getHttpMethod(String operation) { switch (operation) { case “add”: return “POST”; case “update”: return “PUT”; case “delete”: return “DELETE”; default: return “POST”; } } // 获取类实现的所有接口(包括父类接口) private Class<?>[] getInterfaces(Class<?> clazz) { Set<Class<?>> interfaces = new HashSet<>(); while (clazz != null) { interfaces.addAll(Arrays.asList(clazz.getInterfaces())); clazz = clazz.getSuperclass(); } return interfaces.toArray(new Class<?>[0]); } /** 创建代理对象,用于监听属性变更 */ // 优化 createProxy 方法 private T createProxy(T original) { if (original == null) return null; // 获取实体类实现的所有接口 Set<Class<?>> interfaces = new HashSet<>(); Class<?> clazz = original.getClass(); // 收集所有接口,包括继承链中的接口 while (clazz != null) { interfaces.addAll(Arrays.asList(clazz.getInterfaces())); clazz = clazz.getSuperclass(); } // 创建代理对象 return (T) Proxy.newProxyInstance( original.getClass().getClassLoader(), interfaces.toArray(new Class<?>[0]), new EntityProxyHandler(original) ); // if (!entityClass.isInstance(original)) { // throw new IllegalArgumentException(“Invalid entity type”); // } // // 这里使用动态代理模式监听setter方法调用 // return (T) java.lang.reflect.Proxy.newProxyInstance( // original.getClass().getClassLoader(), // original.getClass().getInterfaces(), // (proxy, method, args) -> { // // 只拦截setter方法 // if (method.getName().startsWith(“set”) && args.length == 1) { // String propertyName = method.getName().substring(3); // propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1); // // // 获取旧值 // Object oldValue = original.getClass() // .getMethod(“get” + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1)) // .invoke(original); // // // 调用原始方法 // Object result = method.invoke(original, args); // // // 触发监听器 // for (PropertyChangeListener<T> listener : listeners) { // listener.onPropertyChange(original, propertyName, oldValue, args[0]); // } // // // 自动同步到后端 // syncEntity(original); // return result; // } // return method.invoke(original, args); // } // ); } // 以下是List接口的实现 @Override public int size() { return list.size(); } @Override public boolean isEmpty() { return list.isEmpty(); } @Override public boolean contains(Object o) { return list.contains(o); } @NonNull @Override public Iterator<T> iterator() { return list.iterator(); } @NonNull @Override public Object[] toArray() { return list.toArray(); } @NonNull @Override public <T1> T1[] toArray(@NonNull T1[] a) { return list.toArray(a); } @Override public boolean add(T t) { T proxy = createProxy(t); boolean result = list.add(proxy); if (!batchMode) { syncEntity(proxy); } return result; // 添加时创建代理 } @Override public boolean remove(Object o) { T entity = safeCast(o); if (entity != null) { syncEntity((T) entity); // 删除前同步 } return list.remove(o); } @Override public boolean containsAll(@NonNull Collection<?> c) { return list.containsAll(c); } @Override public boolean addAll(@NonNull Collection<? extends T> c) { boolean modified = false; for (T t : c) { modified |= add(t); } return modified; } @Override public boolean addAll(int index, @NonNull Collection<? extends T> c) { for (T t : c) { add(index++, t); } return true; } @Override public boolean removeAll(@NonNull Collection<?> c) { for (Object o : c) { T entity = safeCast(o); if (entity != null) { syncEntity(entity); } } return list.removeAll(c); } @Override public boolean retainAll(@NonNull Collection<?> c) { List<T> toRemove = new ArrayList<>(); for (T t : list) { if (!c.contains(t)) { toRemove.add(t); } } // 使用安全转换 for (T entity : toRemove) { syncEntity(entity); } return list.retainAll(c); } @Override public void clear() { for (T t : list) { syncEntity(t); // 清空前同步 } list.clear(); } @Override public T get(int index) { return list.get(index); } @Override public T set(int index, T element) { T old = list.set(index, createProxy(element)); if (old != null) { syncEntity(old); // 替换旧元素前同步 } return old; } @Override public void add(int index, T element) { list.add(index, createProxy(element)); } @Override public T remove(int index) { T removed = list.remove(index); if (removed != null) { syncEntity(removed); // 删除前同步 } return removed; } @Override public int indexOf(Object o) { return list.indexOf(o); } @Override public int lastIndexOf(Object o) { return list.lastIndexOf(o); } @NonNull @Override public ListIterator<T> listIterator() { return list.listIterator(); } @NonNull @Override public ListIterator<T> listIterator(int index) { return list.listIterator(index); } @NonNull @Override public List<T> subList(int fromIndex, int toIndex) { return list.subList(fromIndex, toIndex); } // 触发属性变更通知 // 添加类型安全的属性监听 private void firePropertyChange(T entity, String propertyName, Object oldValue, Object newValue) { if (oldValue != null && newValue != null && oldValue.equals(newValue)) { return; // 值未变化时不触发监听 } for (PropertyChangeListener<T> listener : listeners) { try { listener.onPropertyChange(entity, propertyName, oldValue, newValue); } catch (Exception e) { Log.e("SynchronizedList", "Listener error", e); } } } // 修改代理处理器以支持获取原始对象 /* 完整的 EntityProxyHandler 实现 */ private class EntityProxyHandler implements IProxyHandler, java.lang.reflect.InvocationHandler { private final T original; private final Map<String, Object> propertyValues = new HashMap<>(); public EntityProxyHandler(T original) { this.original = original; cachePropertyValues(); } private void cachePropertyValues() { // 获取类信息 Class<?> clazz = original.getClass(); // 遍历所有getter方法 for (Method method : clazz.getMethods()) { String methodName = method.getName(); // 只处理getter方法 if (methodName.startsWith("get") && !methodName.equals("getClass") && method.getParameterTypes().length == 0) { try { // 获取属性名(去掉"get"并将首字母小写) String propertyName = methodName.substring(3); propertyName = Character.toLowerCase(propertyName.charAt(0)) + propertyName.substring(1); // 调用getter获取值 Object value = method.invoke(original); propertyValues.put(propertyName, value); } catch (Exception e) { Log.e("Wrapper", "Failed to cache property " + methodName, e); } } } } @Override public T getOriginal() { return original; } @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String methodName = method.getName(); // 只拦截setter方法 if (methodName.startsWith("set") && args != null && args.length == 1) { String propertyName = methodName.substring(3); propertyName = Character.toLowerCase(propertyName.charAt(0)) + propertyName.substring(1); Object oldValue = propertyValues.get(propertyName); Object newValue = args[0]; // 如果值未改变,不触发同步 if (Objects.equals(oldValue, newValue)) { return null; } // 调用原始对象的setter方法 Method setter = original.getClass().getMethod(methodName, newValue.getClass()); setter.invoke(original, newValue); // 更新属性缓存 propertyValues.put(propertyName, newValue); // 触发属性变更监听 firePropertyChange(original, propertyName, oldValue, newValue); // 非批量模式下自动同步 if (!batchMode) { syncEntity(original); } } // 其他接口方法直接调用原始对象 return method.invoke(original, args); } private Object getPropertyValue(String propertyName) { String getterName = "get" + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1); try { Method getter = original.getClass().getMethod(getterName); return getter.invoke(original); } catch (Exception e) { Log.e("ProxyHandler", "Failed to get property value: " + propertyName, e); return null; } } } // 在 SynchronizedList 类中添加 private interface IProxyHandler { Object getOriginal(); } }package com.example.kucun2.entity.data; import android.content.Context; import android.util.Log; import androidx.annotation.NonNull; import com.example.kucun2.entity.; import com.example.kucun2.entity.data.SynchronizableEntity; import com.example.kucun2.entity.data.SynchronizedList; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import okhttp3.; import org.json.JSONObject; import java.io.IOException; import java.lang.reflect.Type; import java.util.HashMap; import java.util.Map; import java.util.concurrent.TimeUnit; public class AppDataManager { private final Context context; private final OkHttpClient httpClient; private final Gson gson; private Map<String, SynchronizedList<? extends SynchronizableEntity>> dataCache; private static final String BASE_URL = “https://tian.sef/Kucun2”; private static final String API_ALL = “/app/all”; public AppDataManager(Context context) { this.context = context; this.gson = new Gson(); this.dataCache = new HashMap<>(); this.httpClient = new OkHttpClient.Builder() .connectTimeout(15, TimeUnit.SECONDS) .readTimeout(30, TimeUnit.SECONDS) .build(); } /** * 从服务器加载完整数据集 */ public void loadFullDataset(DataCallback callback) { Request request = new Request.Builder() .url(BASE_URL + API_ALL) .build(); httpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { Log.e("AppDataManager", "Failed to load full dataset", e); callback.onFailure("Network error: " + e.getMessage()); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException { if (!response.isSuccessful()) { callback.onFailure("HTTP error: " + response.code()); return; } try { String jsonData = response.body().string(); JSONObject jsonObject = new JSONObject(jsonData); JSONObject data = jsonObject.getJSONObject("data"); // 解析各实体列表 parseEntityList(data, "bancais", Bancai.class); parseEntityList(data, "dingdans", Dingdan.class); parseEntityList(data, "mupis", Mupi.class); parseEntityList(data, "chanpins", Chanpin.class); parseEntityList(data, "kucuns", Kucun.class); parseEntityList(data, "chanpin_zujians", Chanpin_Zujian.class); parseEntityList(data, "zujians", Zujian.class); parseEntityList(data, "caizhis", Caizhi.class); parseEntityList(data, "users", User.class); callback.onSuccess(); } catch (Exception e) { Log.e("AppDataManager", "Error parsing response", e); callback.onFailure("Parsing error: " + e.getMessage()); } } }); } /** * 解析实体列表 */ private <T extends SynchronizableEntity> void parseEntityList(JSONObject data, String key, Class<T> clazz) { try { Type listType = TypeToken.getParameterized(SynchronizedList.class, clazz).getType(); SynchronizedList<T> list = gson.fromJson(data.getString(key), listType); dataCache.put(key, list); } catch (Exception e) { Log.e("AppDataManager", "Failed to parse " + key, e); } } /** * 添加实体到特定集合 */ public <T extends SynchronizableEntity> void addEntity(T entity, Class<T> clazz, DataCallback callback) { String endpoint = BASE_URL + getAddEndpointForClass(clazz); RequestBody body = RequestBody.create( gson.toJson(entity), MediaType.parse("application/json") ); Request request = new Request.Builder() .url(endpoint) .post(body) .build(); httpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { Log.e("AppDataManager", "Add entity failed", e); callback.onFailure("Network error: " + e.getMessage()); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException { if (response.isSuccessful()) { try { T newEntity = gson.fromJson(response.body().string(), clazz); SynchronizedList<T> list = (SynchronizedList<T>) dataCache.get(getCacheKeyForClass(clazz)); if (list != null) { list.add(newEntity); } callback.onSuccess(); } catch (Exception e) { callback.onFailure("Parsing error: " + e.getMessage()); } } else { callback.onFailure("API error: " + response.code()); } } }); } /** * 获取添加操作的API端点 */ private <T> String getAddEndpointForClass(Class<T> clazz) { // 基于简单的命名约定生成端点 String className = clazz.getSimpleName().toLowerCase(); return "/app/" + className + "/add"; } /** * 获取缓存键名 */ private <T> String getCacheKeyForClass(Class<T> clazz) { return clazz.getSimpleName().toLowerCase() + "s"; } /** * 从缓存获取实体列表 */ @SuppressWarnings("unchecked") public <T extends SynchronizableEntity> SynchronizedList<T> getEntityList(Class<T> clazz) { String key = getCacheKeyForClass(clazz); return (SynchronizedList<T>) dataCache.get(key); } /** * 类型安全的实体更新方法 * @param entity 要更新的实体 * @param callback 操作回调 */ @SuppressWarnings("unchecked") public <T extends SynchronizableEntity> void updateEntity(T entity, DataCallback callback) { // 使用实体类的实际类型 Class<T> entityClass = (Class<T>) entity.getClass(); updateEntity(entity, entityClass, callback); } /** * 更新实体 */ public <T extends SynchronizableEntity> void updateEntity(T entity, Class<T> clazz, DataCallback callback) { String endpoint = BASE_URL + getUpdateEndpointForClass(clazz); RequestBody body = RequestBody.create( gson.toJson(entity), MediaType.parse("application/json") ); Request request = new Request.Builder() .url(endpoint) .put(body) .build(); httpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { callback.onFailure("Network error: " + e.getMessage()); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException { if (response.isSuccessful()) { callback.onSuccess(); } else { callback.onFailure("API error: " + response.code()); } } }); } /** * 获取更新操作的API端点 */ private <T> String getUpdateEndpointForClass(Class<T> clazz) { // 基于简单命名约定生成端点 String className = clazz.getSimpleName().toLowerCase(); return "/app/" + className + "/update"; } /** * 获取用户认证令牌 */ public void authenticateUser(String username, String password, AuthCallback callback) { JSONObject authJson = new JSONObject(); try { authJson.put("username", username); authJson.put("password", password); } catch (Exception e) { callback.onFailure("Auth parameter error"); return; } RequestBody body = RequestBody.create( authJson.toString(), MediaType.parse("application/json") ); Request request = new Request.Builder() .url(BASE_URL + "/user/login") .post(body) .build(); httpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { callback.onFailure("Network error: " + e.getMessage()); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException { if (response.isSuccessful()) { try { JSONObject authResponse = new JSONObject(response.body().string()); String token = authResponse.getString("token"); callback.onSuccess(token); } catch (Exception e) { callback.onFailure("Token parsing error"); } } else { callback.onFailure("Authentication failed"); } } }); } /** * 数据加载回调接口 */ public interface DataCallback { void onSuccess(); void onFailure(String error); } /** * 认证回调接口 */ public interface AuthCallback { void onSuccess(String token); void onFailure(String error); } } E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 31140 java.lang.NullPointerException: Parameter specified as non-null is null: method okhttp3.Request$Builder.url, parameter url at okhttp3.Request$Builder.url(Unknown Source:2) at com.example.kucun2.entity.data.SynchronizedList.syncEntity(SynchronizedList.java:114) at com.example.kucun2.entity.data.SynchronizedList.add(SynchronizedList.java:272) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.createAndSaveDingdan(AddInventoryFragment.java:445) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.lambda$showNewDingdanDialog$8(AddInventoryFragment.java:423) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.$r8$lambda$viLBw5kNmkDSVG17JoXzuH5G85E(Unknown Source:0) at com.example.kucun2.ui.jinhuo.AddInventoryFragment$$ExternalSyntheticLambda20.onClick(D8$$SyntheticClass:0) at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:250) at android.os.Handler.dispatchMessage(Handler.java:109) at android.os.Looper.loopOnce(Looper.java:250) at android.os.Looper.loop(Looper.java:340)

package com.hmongsoft.merchant.Module.dataSource.onLine.V20230707; import android.os.AsyncTask; import com.hmongsoft.merchant.Base.Interface.ActionCallbackValue; import com.hmongsoft.merchant.Base.config.SysConfig; import java.io.IOException; import okhttp3.MultipartBody; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; /** * 校验商铺名称是否存在 */ public class JudgeMerchantIsExist { public JudgeMerchantIsExist(String merchantName, ActionCallbackValue<String,Boolean> actionCallback) { SignInTask signInTask=new SignInTask(merchantName,actionCallback); signInTask.execute(); } private static class SignInTask extends AsyncTask<String,Integer,Boolean>{ private String merchantName; private ActionCallbackValue<String,Boolean> actionCallback; private String requestResult; public SignInTask(String merchantName, ActionCallbackValue<String,Boolean> actionCallback) { this.merchantName =merchantName; this.actionCallback=actionCallback; } //异步前(UI) @Override protected void onPreExecute() { super.onPreExecute(); } //异步中(非UI) @Override protected Boolean doInBackground(String... strings) { OkHttpClient client = new OkHttpClient().newBuilder().build(); RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM) .addFormDataPart("merchantName",merchantName) .build(); Request request = new Request.Builder() .url(SysConfig.MerchantPORT+"/MerchantController/judgeMerchantNameIsExist") .method("POST", body) .build(); try { requestResult = client.newCall(request).execute().body().string(); if (requestResult.equals("true")){ return true; }else { return false; } } catch (IOException e) { e.printStackTrace(); return false; } } //异步后(UI) @Override protected void onPostExecute(Boolean aBoolean) { super.onPostExecute(aBoolean); actionCallback.callback("result",aBoolean); } } } 这段代码的SignInTask已经被弃用,请帮换一个写法

package com.example.kucun2.entity.data; import android.util.Log; import androidx.annotation.NonNull; import com.google.gson.Gson; import java.io.IOException; import java.lang.reflect.Method; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Proxy; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.ListIterator; import java.util.Map; import java.util.Set; import okhttp3.Call; import okhttp3.Callback; import okhttp3.MediaType; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; /** * 支持数据变更自动同步的泛型集合类 * @param <T> 继承自 SynchronizableEntity 的实体类型 */ public class SynchronizedList<T extends SynchronizableEntity> implements List<T> { private final List<T> list = new ArrayList<>(); private final OkHttpClient client = new OkHttpClient(); private static final Gson gson = new Gson(); private static final MediaType JSON = MediaType.get("application/json; charset=utf-8"); private final Class<T> entityClass; // 类型标记 // 添加批量操作模式标志 private boolean batchMode = false; // 属性变更监听器 private final List> listeners = new ArrayList<>(); // 直接接受Class参数的构造函数 public SynchronizedList(Class<T> entityClass) { this.entityClass = entityClass; } // 安全的类型转换方法 private T safeCast(Object o) { if (o != null && entityClass.isInstance(o)) { return entityClass.cast(o); } return null; } public interface PropertyChangeListener<T> { void onPropertyChange(T entity, String propertyName, Object oldValue, Object newValue); } public void addPropertyChangeListener(PropertyChangeListener<T> listener) { listeners.add(listener); } public void removePropertyChangeListener(PropertyChangeListener<T> listener) { listeners.remove(listener); } // 添加方法来获取原始对象 @SuppressWarnings("unchecked") public T getOriginal(T proxy) { if (proxy == null) return null; // 检查是否为代理对象 if (java.lang.reflect.Proxy.isProxyClass(proxy.getClass())) { try { java.lang.reflect.InvocationHandler handler = java.lang.reflect.Proxy.getInvocationHandler(proxy); if (handler instanceof IProxyHandler) { Object original = ((IProxyHandler) handler).getOriginal(); // 安全类型检查 if (entityClass.isInstance(original)) { return (T) original; } } } catch (Exception e) { Log.e("SynchronizedList", "Failed to get proxy handler", e); } } return proxy; } /** * 同步实体到后端 * * @param entity 要同步的实体 */ private void syncEntity(T entity) { if (batchMode) return; String operation = "add"; T originalEntity = getOriginal(entity); String endpoint = originalEntity.getEndpoint(operation); String json = gson.toJson(originalEntity); RequestBody body = RequestBody.create(json, JSON); Request request = new Request.Builder() .url(endpoint) .method(getHttpMethod(operation), body) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(@NonNull Call call, @NonNull IOException e) { Log.e("SynchronizedList", "同步失败: " + entity.getClass().getSimpleName(), e); } @Override public void onResponse(@NonNull Call call, @NonNull Response response) { if (!response.isSuccessful()) { Log.e("SynchronizedList", "同步失败: " + response.code() + " - " + response.message()); } response.close(); } }); } // 添加用于批量操作的方法 public void beginBatch() { this.batchMode = true; } public void endBatch() { this.batchMode = false; // 批量结束后触发一次全量同步 syncAllEntities(); } private void syncAllEntities() { for (T entity : list) { syncEntity(entity); } } private String getHttpMethod(String operation) { switch (operation) { case "add": return "POST"; case "update": return "PUT"; case "delete": return "DELETE"; default: return "POST"; } } // 获取类实现的所有接口(包括父类接口) private Class<?>[] getInterfaces(Class<?> clazz) { Set<Class<?>> interfaces = new HashSet<>(); while (clazz != null) { interfaces.addAll(Arrays.asList(clazz.getInterfaces())); clazz = clazz.getSuperclass(); } return interfaces.toArray(new Class<?>[0]); } /** * 创建代理对象,用于监听属性变更 */ // 优化 createProxy 方法 private T createProxy(T original) { if (original == null) return null; // 确保代理对象实现原始对象的所有接口+目标接口 Class<?>[] interfaces = new Class<?>[]{ SynchronizableEntity.class, // 强制实现目标接口 entityClass // 实体类或接口 }; return (T) Proxy.newProxyInstance( original.getClass().getClassLoader(), interfaces, new EntityProxyHandler(original) ); // if (!entityClass.isInstance(original)) { // throw new IllegalArgumentException("Invalid entity type"); // } // // 这里使用动态代理模式监听setter方法调用 // return (T) java.lang.reflect.Proxy.newProxyInstance( // original.getClass().getClassLoader(), // original.getClass().getInterfaces(), // (proxy, method, args) -> { // // 只拦截setter方法 // if (method.getName().startsWith("set") && args.length == 1) { // String propertyName = method.getName().substring(3); // propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1); // // // 获取旧值 // Object oldValue = original.getClass() // .getMethod("get" + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1)) // .invoke(original); // // // 调用原始方法 // Object result = method.invoke(original, args); // // // 触发监听器 // for (PropertyChangeListener<T> listener : listeners) { // listener.onPropertyChange(original, propertyName, oldValue, args[0]); // } // // // 自动同步到后端 // syncEntity(original); // return result; // } // return method.invoke(original, args); // } // ); } // 以下是List接口的实现 @Override public int size() { return list.size(); } @Override public boolean isEmpty() { return list.isEmpty(); } @Override public boolean contains(Object o) { return list.contains(o); } @NonNull @Override public Iterator<T> iterator() { return list.iterator(); } @NonNull @Override public Object[] toArray() { return list.toArray(); } @NonNull @Override public <T1> T1[] toArray(@NonNull T1[] a) { return list.toArray(a); } @Override public boolean add(T t) { T proxy = createProxy(t); boolean result = list.add(proxy); if (!batchMode) { syncEntity(proxy); } return result; // 添加时创建代理 } @Override public boolean remove(Object o) { T entity = safeCast(o); if (entity != null) { syncEntity((T) entity); // 删除前同步 } return list.remove(o); } @Override public boolean containsAll(@NonNull Collection<?> c) { return list.containsAll(c); } @Override public boolean addAll(@NonNull Collection<? extends T> c) { boolean modified = false; for (T t : c) { modified |= add(t); } return modified; } @Override public boolean addAll(int index, @NonNull Collection<? extends T> c) { for (T t : c) { add(index++, t); } return true; } @Override public boolean removeAll(@NonNull Collection<?> c) { for (Object o : c) { T entity = safeCast(o); if (entity != null) { syncEntity(entity); } } return list.removeAll(c); } @Override public boolean retainAll(@NonNull Collection<?> c) { List<T> toRemove = new ArrayList<>(); for (T t : list) { if (!c.contains(t)) { toRemove.add(t); } } // 使用安全转换 for (T entity : toRemove) { syncEntity(entity); } return list.retainAll(c); } @Override public void clear() { for (T t : list) { syncEntity(t); // 清空前同步 } list.clear(); } @Override public T get(int index) { return list.get(index); } @Override public T set(int index, T element) { T old = list.set(index, createProxy(element)); if (old != null) { syncEntity(old); // 替换旧元素前同步 } return old; } @Override public void add(int index, T element) { list.add(index, createProxy(element)); } @Override public T remove(int index) { T removed = list.remove(index); if (removed != null) { syncEntity(removed); // 删除前同步 } return removed; } @Override public int indexOf(Object o) { return list.indexOf(o); } @Override public int lastIndexOf(Object o) { return list.lastIndexOf(o); } @NonNull @Override public ListIterator<T> listIterator() { return list.listIterator(); } @NonNull @Override public ListIterator<T> listIterator(int index) { return list.listIterator(index); } @NonNull @Override public List<T> subList(int fromIndex, int toIndex) { return list.subList(fromIndex, toIndex); } // 触发属性变更通知 // 添加类型安全的属性监听 private void firePropertyChange(T entity, String propertyName, Object oldValue, Object newValue) { if (oldValue != null && newValue != null && oldValue.equals(newValue)) { return; // 值未变化时不触发监听 } for (PropertyChangeListener<T> listener : listeners) { try { listener.onPropertyChange(entity, propertyName, oldValue, newValue); } catch (Exception e) { Log.e("SynchronizedList", "Listener error", e); } } } // 修改代理处理器以支持获取原始对象 /* 完整的 EntityProxyHandler 实现 */ private class EntityProxyHandler implements IProxyHandler, java.lang.reflect.InvocationHandler { private final T original; private final Map<String, Object> propertyValues = new HashMap<>(); public EntityProxyHandler(T original) { this.original = original; // 初始化属性缓存 for (Method method : original.getClass().getMethods()) { if (method.getName().startsWith("get") && method.getParameterCount() == 0) { try { String propName = method.getName().substring(3); propName = Character.toLowerCase(propName.charAt(0)) + propName.substring(1); propertyValues.put(propName, method.invoke(original)); } catch (Exception e) { Log.e("ProxyHandler", "Failed to cache property", e); } } } } @Override public T getOriginal() { return original; } @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String methodName = method.getName(); // 处理 setter 方法 if (methodName.startsWith("set") && args != null && args.length == 1) { String propertyName = methodName.substring(3); propertyName = Character.toLowerCase(propertyName.charAt(0)) + propertyName.substring(1); Object oldValue = propertyValues.get(propertyName); Object newValue = args[0]; // 调用原始方法 Object result = method.invoke(original, args); propertyValues.put(propertyName, newValue); // 触发监听 firePropertyChange(original, propertyName, oldValue, newValue); // 非批量模式下自动同步 if (!batchMode) { syncEntity(original); } return result; } // 特殊处理 getOriginal 方法 if ("getOriginal".equals(methodName)) { return original; } // 处理 getter 方法(使用缓存) if (methodName.startsWith("get") && method.getParameterCount() == 0) { String propertyName = methodName.substring(3); propertyName = Character.toLowerCase(propertyName.charAt(0)) + propertyName.substring(1); return propertyValues.getOrDefault(propertyName, method.invoke(original)); } return method.invoke(original, args); } private Object getPropertyValue(String propertyName) { String getterName = "get" + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1); try { Method getter = original.getClass().getMethod(getterName); return getter.invoke(original); } catch (Exception e) { Log.e("ProxyHandler", "Failed to get property value: " + propertyName, e); return null; } } } // 在 SynchronizedList 类中添加 private interface IProxyHandler { Object getOriginal(); } } E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 22195 java.lang.IllegalArgumentException: com.example.kucun2.entity.data.SynchronizableEntity is not an interface at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:635) at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:602) at java.lang.reflect.WeakCache$Factory.get(WeakCache.java:230) at java.lang.reflect.WeakCache.get(WeakCache.java:127) at java.lang.reflect.Proxy.getProxyClass0(Proxy.java:438) at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:873) at com.example.kucun2.entity.data.SynchronizedList.createProxy(SynchronizedList.java:186) at com.example.kucun2.entity.data.SynchronizedList.add(SynchronizedList.java:263) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.createAndSaveDingdan(AddInventoryFragment.java:445) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.lambda$showNewDingdanDialog$8(AddInventoryFragment.java:423) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.$r8$lambda$viLBw5kNmkDSVG17JoXzuH5G85E(Unknown Source:0) at com.example.kucun2.ui.jinhuo.AddInventoryFragment$$ExternalSyntheticLambda20.onClick(D8$$SyntheticClass:0) at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:250) at android.os.Handler.dispatchMessage(Handler.java:109) at android.os.Looper.loopOnce(Looper.java:250) at android.os.Looper.loop(Looper.java:340) at android.app.ActivityThread.main(ActivityThread.java:9913) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:621) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:957)

每次重启项目报错1970-01-01 08:00:00.000 0-0 <no-tag> I ---------------------------- PROCESS ENDED (21062) for package com.example.kucun2 ---------------------------- 2025-06-16 02:13:56.761 22497-22497 cmd cmd E BBinder_init Processname cmd 2025-06-16 02:13:56.762 22497-22497 cmd cmd E BBinder_init hasGetProcessName cmd 2025-06-16 02:13:56.797 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.810 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684480, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.811 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684485, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.811 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684489, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.812 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684493, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.812 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684497, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.813 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684502, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.813 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684506, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.814 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684510, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.814 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684514, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.815 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684519, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.815 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684526, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.816 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684531, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.816 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684535, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.816 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684540, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.817 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684544, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.819 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684579, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.819 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684583, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.820 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684597, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.821 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684601, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.821 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684606, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.822 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684625, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.822 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684629, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.822 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684633, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.828 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684733, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.828 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684739, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.829 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684753, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.829 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684757, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.829 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684761, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.830 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684765, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.830 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684769, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.830 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684773, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.830 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684777, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.831 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684781, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.831 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684785, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.831 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684795, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.832 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684801, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.835 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684854, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.835 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684858, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.835 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684862, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.835 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684867, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.836 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.839 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.840 22500-22500 IPCThreadState service E Binder transaction failure. id: 152684962, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.841 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.842 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.847 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.850 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.850 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.852 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.853 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.856 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.860 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.869 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.870 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.877 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.881 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.895 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.900 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.907 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.909 22500-22500 Parcel service E Reading a NULL string not supported here. 2025-06-16 02:13:56.919 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686226, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.919 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686230, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.919 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686234, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.920 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686238, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.921 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686253, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.921 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686257, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.922 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686261, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.922 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686265, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.922 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686269, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.922 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686273, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.923 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686277, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.923 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686283, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.923 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686289, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.923 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686293, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.924 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686297, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.924 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686302, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.924 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686306, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.925 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686311, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.926 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686323, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.926 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686328, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.926 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686332, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.929 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686373, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.930 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686382, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.930 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686386, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.931 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686395, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.931 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686402, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.932 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686407, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.932 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686411, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.932 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686416, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.933 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686420, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.933 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686424, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.933 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686430, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.934 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686435, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.934 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686439, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.934 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686445, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.942 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686554, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.942 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686559, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.943 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686564, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.943 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686568, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.944 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686573, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.944 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686577, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.944 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686581, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.945 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686585, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.945 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686589, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.945 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686594, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.946 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686598, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.946 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686602, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.946 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686606, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.946 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686610, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.947 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686614, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.947 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686618, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.947 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686622, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.947 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686626, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.948 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686630, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.948 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686643, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.948 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686647, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.949 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686651, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.949 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686656, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.949 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686660, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.950 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686664, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.950 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686669, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.951 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686681, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.951 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686686, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.951 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686690, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.952 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686700, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.952 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686704, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.953 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686708, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.953 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686712, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.954 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686727, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.954 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686731, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.954 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686735, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.954 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686739, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.955 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686743, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.955 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686747, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.955 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686751, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.955 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686755, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.956 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686759, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.956 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686763, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.956 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686769, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.956 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686774, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.957 22500-22500 IPCThreadState service E Binder transaction failure. id: 152686779, BR_*: 29201, error: -1 (Operation not permitted) 2025-06-16 02:13:56.972 22500-22500 IPCThreadState service E Binder transaction failure. id: 152687050, BR_*: 29201, error: -1 (Operation not permitted) 1970-01-01 08:00:00.000 0-0 <no-tag> I ---------------------------- PROCESS STARTED (21838) for package com.example.kucun2 -----------package com.example.kucun2.entity.data; import static android.content.ContentValues.TAG; import android.content.Context; import android.util.Log; import com.example.kucun2.R; import com.example.kucun2.entity.Information; import com.example.kucun2.function.MyAppFnction; import com.example.kucun2.function.TLSUtils; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import java.io.IOException; import java.lang.reflect.Type; import java.util.Map; import java.util.concurrent.TimeUnit; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import okhttp3.Call; import okhttp3.Callback; import okhttp3.MediaType; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; import okhttp3.ResponseBody; public class ApiClient { // 使用Volley、Retrofit或OkHttp实现以下方法 private static final Gson gson = new Gson(); private static OkHttpClient client; private static final String TAG = "ApiClient"; private static final String CERT_FILE = "selfsigned.crt"; // 证书文件名 // 初始化方法 public static void init(Context context) { if (client != null) return; try { // 创建信任管理器 X509TrustManager trustManager = TLSUtils.createTrustManager(context, CERT_FILE); // 创建SSL上下文 SSLContext sslContext = SSLContext.getInstance("TLS"); sslContext.init(null, new TrustManager[]{trustManager}, null); // 配置OkHttpClient client = new OkHttpClient.Builder() .sslSocketFactory(sslContext.getSocketFactory(), trustManager) .connectTimeout(30, TimeUnit.SECONDS) .readTimeout(30, TimeUnit.SECONDS) .writeTimeout(30, TimeUnit.SECONDS) .build(); Log.d(TAG, "OkHttpClient initialized with custom certificate: " + CERT_FILE); } catch (Exception e) { Log.e(TAG, "Failed to initialize secure client", e); // 回退到默认配置(生产环境不应使用) client = new OkHttpClient(); } } public static <T, R> void post(String url, Information<T> requestData, ApiCallback<R> callback) { // 1. 构建请求体(JSON格式) String jsonRequest = ReflectionJsonUtils.toJson(requestData); RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonRequest); Log.d(TAG, "post: "+url); // 2. 创建POST请求 Request request = new Request.Builder() .url(url) .post(body) .build(); Log.d(TAG, "POST请求URL: " + url); Log.d(TAG, "请求数据: " + jsonRequest); // 3. 发送异步请求 client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "请求失败: " + e.getMessage()); if (callback != null) { callback.onError(-1, e.getMessage()); } } @Override public void onResponse(Call call, Response response) throws IOException { try (ResponseBody responseBody = response.body()) { if (!response.isSuccessful()) { Log.e(TAG, "服务器响应错误: " + response.code() + " - " + response.message()); if (callback != null) { callback.onError(response.code(), response.message()); } return; } // 4. 处理成功响应 String jsonResponse = responseBody.string(); Log.d(TAG, "服务器响应: " + jsonResponse); // 5. 解析为Information对象 // 注意:这里需要提前确定响应中data的类型(TypeToken) Type responseType = new TypeToken<Information<R>>() { }.getType(); Information<R> responseInfo = gson.fromJson(jsonResponse, responseType); if (callback != null) { callback.onSuccess(responseInfo); } } } }); } public static <T, R> void put(String url, Information<T> data, ApiCallback<T> callback) { String jsonRequest = ReflectionJsonUtils.toJson(data); RequestBody body = RequestBody.create(MediaType.parse("application/json"), jsonRequest); Request request = new Request.Builder() .url(url) .put(body) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "PUT request failed", e); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful() && callback != null) { String json = response.body().string(); Type responseType = new TypeToken<Information<T>>(){}.getType(); Information<T> info = gson.fromJson(json, responseType); callback.onSuccess(info); } } }); } public static <R> void delete(String url, ApiCallback<R> callback) { Request request = new Request.Builder() .url(url) .delete() .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "DELETE request failed", e); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful() && callback != null) { // 对于删除操作,通常返回空数据 callback.onSuccess(new Information<>(200, "Deleted", null)); } } }); } public static interface ApiCallback<T> { void onSuccess(Information<T> data); void onError(int statusCode, String error); } }package com.example.kucun2.entity.data; import android.content.Context; import android.content.SharedPreferences; import android.os.Handler; import android.os.Looper; import android.util.Log; import com.example.kucun2.entity.*; import com.example.kucun2.function.MyAppFnction; import com.example.kucun2.function.SafeLogger; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonDeserializationContext; import com.google.gson.JsonDeserializer; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParseException; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import com.google.gson.reflect.TypeToken; import java.io.IOException; import java.lang.reflect.*; import java.util.*; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.stream.Collectors; import okhttp3.*; /** * 核心数据管理中心 * 职责: * 1. 管理所有实体类的全局存储列表 * 2. 处理网络数据加载与本地持久化 * 3. 维护实体间关联关系 * 4. 管理数据同步状态 * * 优化点: * - 使用ConcurrentHashMap提升线程安全 * - 重构关联逻辑避免反射开销 * - 增强序列化/反序列化处理 * - 添加详细方法级注释 */ public class Data { // ====================== 实体存储区 ====================== // 所有实体列表使用线程安全的SynchronizedList // ====================== 静态数据列表声明 ====================== public static final SynchronizedList<Bancai> bancais = new SynchronizedList<>(Bancai.class); public static final SynchronizedList<Caizhi> caizhis = new SynchronizedList<>(Caizhi.class); public static final SynchronizedList<Mupi> mupis = new SynchronizedList<>(Mupi.class); public static final SynchronizedList<Chanpin> chanpins = new SynchronizedList<>(Chanpin.class); public static final SynchronizedList<Chanpin_Zujian> chanpin_zujians = new SynchronizedList<>(Chanpin_Zujian.class); public static final SynchronizedList<Dingdan> dingdans = new SynchronizedList<>(Dingdan.class); public static final SynchronizedList<Dingdan_Chanpin> dingdan_chanpins = new SynchronizedList<>(Dingdan_Chanpin.class); public static final SynchronizedList<Dingdan_chanpin_zujian> Dingdan_chanpin_zujians = new SynchronizedList<>(Dingdan_chanpin_zujian.class); public static final SynchronizedList<Kucun> kucuns = new SynchronizedList<>(Kucun.class); public static final SynchronizedList<Zujian> zujians = new SynchronizedList<>(Zujian.class); public static final SynchronizedList<User> users = new SynchronizedList<>(User.class); public static final SynchronizedList<Jinhuo> jinhuos = new SynchronizedList<>(Jinhuo.class); private static User user; // 实体类型与列表的映射表 <实体类, 对应的同步列表> public static final Map<Class, SynchronizedList<SynchronizableEntity>> dataCollectionMap = new ConcurrentHashMap<>();; private static final Gson gson = GsonFactory.createGson(); private static OkHttpClient client; private static final String TAG = "DataLoader"; // 静态初始化:建立实体类型与列表的映射关系 static { try { // 通过反射获取所有SynchronizedList字段 for (Field field : Data.class.getDeclaredFields()) { if (SynchronizedList.class.equals(field.getType())) { SynchronizedList<?> list = (SynchronizedList<?>) field.get(null); if (list != null) { // 将实体类型与列表关联 dataCollectionMap.put(list.getEntityType(), (SynchronizedList<SynchronizableEntity>) list); } } } } catch (IllegalAccessException e) { throw new RuntimeException("初始化dataCollectionMap失败", e); } } // ====================== 核心数据加载方法 ====================== /** * 从服务器加载全量数据 * @param context Android上下文 * @param callback 加载结果回调 */ public static void loadAllData(Context context, LoadDataCallback callback) { // 主线程检查 if (Looper.myLooper() != Looper.getMainLooper()) { throw new IllegalStateException("必须在主线程调用Data.loadAllData"); } ensurePreservedObjects(); // 确保存在预置对象 // 使用传入的 Context 获取主线程 Handler Handler mainHandler = new Handler(context.getMainLooper()); // 确保使用安全的客户端 if (client == null) { client = MyAppFnction.getClient(); } ExecutorService executor = Executors.newSingleThreadExecutor(); executor.execute(() -> { SynchronizableEntity.setSyncEnabled(false); String url = MyAppFnction.getStringResource("string", "url") + MyAppFnction.getStringResource("string", "url_all"); Request request = new Request.Builder().url(url).build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(TAG, "Failed to load data", e); SynchronizableEntity.setSyncEnabled(true); mainHandler.post(() -> { if (callback != null) callback.onFailure(); }); } @Override public void onResponse(Call call, Response response) throws IOException { if (!response.isSuccessful()) { Log.e(TAG, "Unexpected response code: " + response.code()); SynchronizableEntity.setSyncEnabled(true); mainHandler.post(() -> { if (callback != null) callback.onFailure(); }); return; } String responseData = response.body().string(); SynchronizableEntity.setSyncEnabled(true); ensurePreservedObjects(); // 在主线程处理解析 mainHandler.post(() -> { parseAndAssignData(responseData, context, callback); }); } }); }); } // ====================== 数据处理私有方法 ====================== /** * 解析JSON数据并更新到实体列表 */ private static void parseAndAssignData(String jsonData, Context context, LoadDataCallback callback) { try { // 解析顶层响应结构 Type responseType = new TypeToken<Information<AllDataResponse>>() {}.getType(); Information<AllDataResponse> info = gson.fromJson(jsonData, responseType); Log.d(TAG, "parseAndAssignData: "+jsonData); // 验证响应有效性 if (info == null || info.getData() == null || info.getStatus() != 200) { throw new IllegalStateException("无效服务器响应"); } AllDataResponse allData = info.getData(); SafeLogger.d("data", "原始数据: " + gson.toJson(allData)); // 更新所有数据列表 updateAllLists(allData); automaticAssociation(); // 建立实体关联 setAllEntitiesState(SynchronizableEntity.SyncState.MODIFIED); // 设置状态 safeCallback(callback, true); // 成功回调 } catch (Exception e) { Log.e(TAG, "数据处理异常: " + e.getMessage()); safeCallback(callback, false); } finally { SynchronizableEntity.setSyncEnabled(true); // 重新启用同步 } } /** * 批量更新所有实体列表 */ private static void updateAllLists(AllDataResponse allData) { updateList(bancais, allData.bancais); updateList(caizhis, allData.caizhis); updateList(mupis, allData.mupis); updateList(chanpins, allData.chanpins); updateList(chanpin_zujians, allData.chanpin_zujians); updateList(dingdans, allData.dingdans); updateList(dingdan_chanpins, allData.dingdan_chanpins); updateList(Dingdan_chanpin_zujians, allData.Dingdan_chanpin_zujians); updateList(kucuns, allData.kucuns); updateList(zujians, allData.zujians); updateList(users, allData.users); updateList(jinhuos, allData.jinhuos); } /** * 安全更新单个列表(保留预置对象) */ private static <T extends SynchronizableEntity> void updateList( List<T> existingList, List<T> newList ) { if (newList == null) return; // 保留现有列表中的预置对象 List<T> preservedItems = existingList.stream() .filter(item -> item != null && item.isPreservedObject()) .collect(Collectors.toList()); // 清空后重新添加(预置对象 + 有效新数据) existingList.clear(); existingList.addAll(preservedItems); existingList.addAll(newList.stream() .filter(item -> item != null && item.getId() != null && item.getId() != -1) .collect(Collectors.toList()) ); } /** * 确保每个列表都有预置对象(用于表示空值/默认值) */ private static void ensurePreservedObjects() { // 为每个实体类型检查并添加预置对象 addIfMissing(bancais, Bancai.class); addIfMissing(caizhis, Caizhi.class); addIfMissing(mupis, Mupi.class); addIfMissing(chanpins, Chanpin.class); addIfMissing(chanpin_zujians, Chanpin_Zujian.class); addIfMissing(dingdans, Dingdan.class); addIfMissing(kucuns, Kucun.class); addIfMissing(zujians, Zujian.class); addIfMissing(Dingdan_chanpin_zujians, Dingdan_chanpin_zujian.class); addIfMissing(dingdan_chanpins, Dingdan_Chanpin.class); addIfMissing(jinhuos, Jinhuo.class); addIfMissing(users, User.class); } private static <T extends SynchronizableEntity> void addIfMissing( List<T> list, Class<T> clazz ) { if (!containsPreservedObject(list)) { list.add(createInstance(clazz)); } } /** * 检查列表是否包含预置对象 * * @param list 目标实体列表 * @return 是否包含预置对象 */ private static <T extends SynchronizableEntity> boolean containsPreservedObject(List<T> list) { return list.stream().anyMatch(item -> item != null && item.isPreservedObject() ); } /** * 自动建立实体间关联关系(通过反射实现) */ private static void automaticAssociation() { for (Class<?> entityClass : dataCollectionMap.keySet()) { try { associateEntities(dataCollectionMap.get(entityClass)); } catch (Exception e) { Log.e(TAG, entityClass.getSimpleName() + " 关联失败", e); } } } private static <T extends SynchronizableEntity> void associateEntities( SynchronizedList<T> list ) throws IllegalAccessException, ClassNotFoundException { for (T entity : list) { if (entity == null) continue; for (Field field : entity.getClass().getDeclaredFields()) { field.setAccessible(true); Class<?> fieldType = field.getType(); // 处理实体引用字段 if (SynchronizableEntity.class.isAssignableFrom(fieldType)) { associateSingleReference(entity, field); } // 处理实体列表字段 else if (List.class.isAssignableFrom(fieldType)) { 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