【Java期末/课程设计】蛋糕网站(JavaWeb框架\网页设计\MySQL数据库)

package my.ceshi.logindemo.service; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper; import my.ceshi.logindemo.mapper.LoginMapper; import my.ceshi.logindemo.model.entity.TbLoginInfo; import my.ceshi.logindemo.model.request.LoginRequest; import my.ceshi.logindemo.model.response.InfoResponse; import my.ceshi.logindemo.model.response.LoginResponse; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Service; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import java.util.HashMap; import java.util.List; import java.util.Map; @Service public class LoginService { @Autowired private LoginMapper loginMapper; private static final Map<String, String> map = new HashMap<>(); public LoginResponse login(LoginRequest request) { LambdaQueryWrapper<TbLoginInfo> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(TbLoginInfo::getUsername, request.getUsername()); wrapper.eq(TbLoginInfo::getPassword, request.getPassword()); List<TbLoginInfo> infos = loginMapper.selectList(wrapper); LoginResponse response = new LoginResponse(); if (infos.isEmpty()) { response.setSuccess(false); response.setMessage("未查询到用户信息"); return response; } response.setSuccess(true); response.setMessage("登陆成功"); map.put("username",infos.get(0).getUsername()); map.put("name",infos.get(0).getName()); map.put("password",infos.get(0).getPassword()); map.put("email",infos.get(0).getEmail()); return response; } public LoginResponse register(LoginRequest request) { LoginResponse response = new LoginResponse(); LambdaQueryWrapper<TbLoginInfo> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(TbLoginInfo::getUsername, request.getUsername()); Integer i = loginMapper.selectCount(wrapper); if (i>0){ response.setSuccess(false); response.setMessage("用户已存在"); return response; } TbLoginInfo info = new TbLoginInfo(); info.setUsername(request.getUsername()); info.setPassword(request.getPassword()); if (request.getName()!=null){ info.setName(request.getName()); } if (request.getEmail()!=null){ info.setEmail(request.getEmail()); } loginMapper.insert(info); response.setSuccess(true); response.setMessage("注册成功"); map.put("username",request.getUsername()); map.put("name",request.getName()); map.put("password",request.getPassword()); map.put("email",request.getEmail()); return response; } public InfoResponse getInfo() { InfoResponse response = new InfoResponse(); response.setEmail(map.get("email")); response.setName(map.get("name")); response.setUsername(map.get("username")); response.setPassword(map.get("password")); return response; } public ResponseEntity changeInfo(LoginRequest request) { LambdaUpdateWrapper<TbLoginInfo> wrapper = new LambdaUpdateWrapper<>(); wrapper.eq(TbLoginInfo::getUsername,request.getOldUsername()) .set(TbLoginInfo::getUsername,request.getUsername()) .set(TbLoginInfo::getPassword,request.getPassword()) .set(TbLoginInfo::getEmail,request.getEmail()) .set(TbLoginInfo::getName,request.getName()); int update = loginMapper.update(null, wrapper); if (update==0){ return ResponseEntity.ok("失败"); } map.put("username",request.getUsername()); map.put("name",request.getName()); map.put("password",request.getPassword()); map.put("email",request.getEmail()); return ResponseEntity.ok("成功"); } }