87 lines
3.3 KiB
Java
87 lines
3.3 KiB
Java
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package edu.whut.smilepicturebackend.service.impl;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import edu.whut.smilepicturebackend.exception.BusinessException;
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import edu.whut.smilepicturebackend.exception.ErrorCode;
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import edu.whut.smilepicturebackend.model.entity.User;
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import edu.whut.smilepicturebackend.model.enums.UserRoleEnum;
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import edu.whut.smilepicturebackend.service.UserService;
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import edu.whut.smilepicturebackend.mapper.UserMapper;
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import lombok.RequiredArgsConstructor;
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import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
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import org.springframework.stereotype.Service;
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/**
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* @author 张三
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* @description 针对表【user(用户)】的数据库操作Service实现
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* @createDate 2025-06-05 17:43:52
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*/
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@Service
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@RequiredArgsConstructor
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public class UserServiceImpl extends ServiceImpl<UserMapper, User>
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implements UserService{
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private final BCryptPasswordEncoder passwordEncoder;
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/**
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* 用户注册
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*
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* @param userAccount 用户账户
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* @param userPassword 用户密码
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* @param checkPassword 校验密码
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* @return
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*/
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@Override
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public long userRegister(String userAccount, String userPassword, String checkPassword) {
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// 1. 校验参数
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if (StrUtil.hasBlank(userAccount, userPassword, checkPassword)) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "参数为空");
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}
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if (userAccount.length() < 4) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户账号过短");
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}
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if (userPassword.length() < 8 || checkPassword.length() < 8) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户密码过短");
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}
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if (!userPassword.equals(checkPassword)) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "两次输入的密码不一致");
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}
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// 2. 检查用户账号是否和数据库中已有的重复
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QueryWrapper<User> queryWrapper = new QueryWrapper<>();
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queryWrapper.eq("userAccount", userAccount);
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long count = this.baseMapper.selectCount(queryWrapper);
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if (count > 0) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "账号重复");
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}
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// 3. 密码一定要加密
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String encryptPassword = getEncryptPassword(userPassword);
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// 4. 插入数据到数据库中
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User user = new User();
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user.setUserAccount(userAccount);
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user.setUserPassword(encryptPassword);
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user.setUserName("无名");
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user.setUserRole(UserRoleEnum.USER.getValue());
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boolean saveResult = this.save(user);
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if (!saveResult) {
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throw new BusinessException(ErrorCode.SYSTEM_ERROR, "注册失败，数据库错误");
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}
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return user.getId();
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}
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/**
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* 获取加密后的密码
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*
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* @param userPassword 用户密码
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* @return 加密后的密码
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*/
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@Override
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public String getEncryptPassword(String userPassword) {
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return passwordEncoder.encode(userPassword);
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// // 加盐，混淆密码
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// final String SALT = "smile12306";
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// return DigestUtils.md5DigestAsHex((SALT + userPassword).getBytes());
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}
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}
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