package com.learn.mall.service.impl; import com.learn.mall.exception.LearnMallException; import com.learn.mall.exception.LearnMallExceptionEnum; import com.learn.mall.model.dao.UserMapper; import com.learn.mall.model.pojo.User; import com.learn.mall.service.UserService; import com.learn.mall.util.MD5Utils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.security.NoSuchAlgorithmException; @Service public class UserServiceImpl implements UserService { @Autowired UserMapper userMapper; @Override public void register(String username, String password) throws LearnMallException { //查询用户是否存在，不允许重名 User result = userMapper.selectByName(username); if (result != null) { throw new LearnMallException(LearnMallExceptionEnum.USERNAME_EXISTED); } //用户不存在，执行插入操作 User user = new User(); user.setUsername(username); //对密码进行MD5加密并加盐 try { user.setPassword(MD5Utils.getMD5Str(password)); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } int count = userMapper.insertSelective(user); if(count == 0){ throw new LearnMallException(LearnMallExceptionEnum.INSERT_FAILED); } } }
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