1.1.1 usercontroller中添加updateAvatar，校验是否为url

    @PatchMapping("updateAvatar")public Result updateAvatar(@RequestParam @URL String avatarUrl) {userService.updateAvatar(avatarUrl);return Result.success();}

1.1.2 userservice

    //更新头像void updateAvatar(String avatarUrl);

1.1.3 userserviceimpl

    @Overridepublic void updateAvatar(String avatarUrl) {Map<String,Object> map = ThreadLocalUtil.get();Integer id = (Integer) map.get("id");userMapper.updateAvatar(avatarUrl,id);}

1.1.4 mapper添加

    @Update("update user set user_pic=#{avatarUrl},update_time=now() where id=#{id}")void updateAvatar(String avatarUrl,Integer id);

1.1.5 postman调试