更新用户密码(2024-3-19)

//userController
@PatchMapping("/updatePwd")
    public Result updatePwd(@RequestBody Map<String,String> params){
        //1.校验参数
        String oldPwd = params.get("old_pwd");
        String newPwd = params.get("new_pwd");
        String rePwd = params.get("re_pwd");

        if(!StringUtils.hasLength(oldPwd) || !StringUtils.hasLength(newPwd) || !StringUtils.hasLength(rePwd)){
            return Result.error("缺少必要的参数");
        }

        //判断原密码是否正确
        //调用userService根据用户名拿到密码，再和old_pwd对比
        Map<Object,String> map = ThreadLocalUtil.get();
        String username =(String) map.get("username");
        User loginUser = userService.findByUserName(username);
        if(!loginUser.getPassword().equals(Md5Util.getMD5String(oldPwd))){
            return Result.error("原密码填写错误");
        }
        //newPwd和rePwd是否一样
        if(!rePwd.equals(newPwd)){
            return Result.error("两次填写的新密码不一样");
        }
        //2.调用service完成密码更新
        userService.updatePwd(newPwd);
        return Result.success();

//userservice
 void updatePwd(String newPwd);

//userServiceImpl
 @Override
    public void updatePwd(String newPwd) {
        Map<String,Object> map  = ThreadLocalUtil.get();
        Integer id = (Integer) map.get("id");
        userMapper.updatePwd(Md5Util.getMD5String(newPwd),id);
    }

//userMapper
 @Update("update user set password=#{md5String},update_time=now() where id=#{id}")
    void updatePwd(String md5String, Integer id);