Java语言中使用SSM实现的车辆维修管理系统

package com.service; import java.sql.ResultSet; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.annotation.Resource; import org.springframework.stereotype.Service; import com.dao.PersonalInfoDao; import com.dao.UserDao; import com.dao.VisitorDao; import com.entity.User; import com.entity.Visitor; import com.util.MD5Util; import com.util.Result; import com.util.IDUtil; @Service public class UserServiceImpl implements UserService{ @Resource private UserDao dao; @Resource private VisitorDao vd; @Resource private PersonalInfoDao pidao; public Result login(String userName, String userPwd) { // TODO Auto-generated method stub User user=dao.userLogin(userName); Result nr=null; String md5Password=MD5Util.md5(userPwd); if(user==null){ nr=new Result("1", "用户名或密码错误", null); }else if(!user.getPassword().equals(md5Password)){ nr=new Result("1", "用户名或密码错误", null); }else if(user.getStatus()==1){ nr=new Result("1", "用户被禁用", null); }else{ Integer type=user.getType(); String userId=user.getId(); Map<String,Object> data=new HashMap<String, Object>(); data.put("type", type); data.put("userId", userId); nr=new Result("0", "登陆成功", data);//将用户身份id返回 //添加访客 if(user.getType()==0){ List<Visitor> v_list=vd.visitorList(); if(v_list.size()>=12){ vd.delVisitor(); } Visitor v=new Visitor(); v.setId(IDUtil.createId()); v.setV_name(userName); v.setV_time(getTime()); v.setLong_time(System.currentTimeMillis()); vd.addVisitor(v); } } return nr; } public static void main(String[] args) { System.out.println(MD5Util.md5("123456")); } private static String getTime(){ SimpleDateFormat formatter=new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss"); Date curDate=new Date(System.currentTimeMillis());//获取当前时间 String str=formatter.format(curDate); return str; } public Result changePwd(String user_id, String mpass, String newpass) { User user=dao.findUser(user_id); Result nr=null; if(mpass.equals("")){ nr=new Result("1", "请输入原始密码", null); }else if(newpass.equals("")){ nr=new Result("1", "请输入新密码", null); }else if(mpass.equals("") && newpass.equals("")){ nr=new Result("1", "请输入密码", null); }else if(!MD5Util.md5(mpass).equals(user.getPassword())){ nr=new Result("1", "原始密码不正确", null); }else{ dao.changPwd(user_id, MD5Util.md5(newpass)); nr=new Result("0", "密码修改成功", null); } return nr; } @Override public Result userList() { // TODO Auto-generated method stub List<User> list=dao.userList(); return new Result("0", "用户信息加载成功", list); } @Override public Result addUser(String name, String password, Integer type) { // TODO Auto-generated method stub List<User> list=dao.userList(); Result nr=null; if(name.equals("")){ nr=new Result("1", "请输入用户名", null); }else if(password.equals("")){ nr=new Result("1", "请输入密码", null); }else{ for(int i=0;i<list.size();i++){ if(list.get(i).getName().equals(name)){ nr=new Result("1", "该用户名已存在", null); return nr; } } User user=new User(); String id=IDUtil.createId(); user.setId(id); user.setName(name); user.setPassword(MD5Util.md5(password)); user.setType(type); user.setStatus(0); dao.addUser(user); pidao.addUserId(id); nr=new Result("0", "用户添加成功", null); } return nr; } @Override public Result changeStatus(String id) { // TODO Auto-generated method stub User user=dao.findUser(id); Integer status=user.getStatus(); if(status==0){ dao.changStatus(id, 1); }else{ dao.changStatus(id, 0); } return new Result("0", "用户状态更改成功", null); } }