基于Java和Vue实现的智慧社区管理系统源码(前端和后端，毕业设计项目).zip

package com.zzl.smartcommunitymanagement.controller; import com.zzl.smartcommunitymanagement.common.MessageConstant; import com.zzl.smartcommunitymanagement.common.Result; import com.zzl.smartcommunitymanagement.common.StatusCode; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.springframework.util.FileCopyUtils; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.*; import com.alibaba.fastjson.JSONObject; /** * @author zzl * @Desc 文件上传控制器 */ @RestController @RequestMapping("/smartcommunity") public class FileController { /** * 功能描述: 上传文件 * @param file 上传文件的参数名，必须和前端参数名称一致 * @param request 请求对象 * @param response 响应对象 * @return : com.zzl.smartcommunitymanagement.common.Result */ @RequestMapping(value="/fileupload") public Result uploads(@RequestParam("file") MultipartFile file, HttpServletRequest request, HttpServletResponse response) throws IOException { //获取当前项目所在绝对路径 String absolutePath = System.getProperty("user.dir"); //文件上传后所在绝对路径 String savePath = absolutePath+"/src/main/resources/static/fileupload/"; //保存在数据库的文件地址 String saveUrl = "/fileupload/"; // 定义允许上传的文件扩展名 HashMap<String, String> extMap = new HashMap<String, String>(); extMap.put("image", "gif,jpg,jpeg,png,bmp"); // 最大文件大小 long maxSize = 10000000; //10M response.setContentType("text/html; charset=UTF-8"); if (!ServletFileUpload.isMultipartContent(request)) { return new Result(false, StatusCode.ERROR, MessageConstant.NO_FILE_SELECTED); } File uploadDir = new File(savePath); // 判断文件夹是否存在,如果不存在则创建文件夹 if (!uploadDir.exists()) { uploadDir.mkdirs(); } // 检查目录写权限 if (!uploadDir.canWrite()) { return new Result(false, StatusCode.ERROR,MessageConstant.NO_WRITE_PERMISSION); } String dirName = request.getParameter("dir"); if (dirName == null) { dirName = "image"; } if (!extMap.containsKey(dirName)) { return new Result(false, StatusCode.ERROR,MessageConstant.INCORRECT_DIRECTORY_NAME); } MultipartHttpServletRequest mRequest = (MultipartHttpServletRequest) request; Map<String, MultipartFile> fileMap = mRequest.getFileMap(); String fileName = null; Iterator<Map.Entry<String, MultipartFile>> iter = fileMap.entrySet().iterator(); for (String s : fileMap.keySet()) { } for (Iterator<Map.Entry<String, MultipartFile>> it = fileMap.entrySet().iterator(); it.hasNext();) { Map.Entry<String, MultipartFile> entry = it.next(); MultipartFile mFile = entry.getValue(); fileName = mFile.getOriginalFilename(); // 检查文件大小 if (mFile.getSize() > maxSize) { return new Result(false, StatusCode.ERROR,MessageConstant.SIZE_EXCEEDS__LIMIT); } String fileExt = fileName.substring(fileName.lastIndexOf(".")+1); if (!Arrays.<String> asList(extMap.get(dirName).split(",")).contains(fileExt)) { return new Result(false, StatusCode.ERROR,MessageConstant.FILE_TYPE_ERROR); } UUID uuid = UUID.randomUUID(); String path = savePath + uuid.toString() +"."+ fileExt; System.out.println("文件存储地址:【"+path+"】"); saveUrl = saveUrl + uuid.toString() +"."+ fileExt; try { BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(path)); FileCopyUtils.copy(mFile.getInputStream(), outputStream); } catch (IOException e) { e.printStackTrace(); } } return new Result(true,StatusCode.OK, MessageConstant.COMMUNITY_PIC_UPLOAD_SUCCESS,saveUrl); } /** * 功能描述: 删除文件 * @param fileName 文件名称参数，和前台传递的参数保持一致 * @return : com.zzl.smartcommunitymanagement.common.Result */ @RequestMapping(value="/delfile") public Result fileDel(@RequestParam String fileName){ String name = fileName.replace("/fileupload/",""); //获取当前项目所在绝对路径 String absolutePath = System.getProperty("user.dir"); //文件上传后所在绝对路径 String savePath = absolutePath+"/src/main/resources/static/fileupload/"; File file = new File(savePath+name); if (file.exists()){//文件是否存在 file.delete();//删除文件 } return new Result(true,StatusCode.OK, MessageConstant.COMMUNITY_PIC_DEL_SUCCESS); } }