Mybatis-plus前端数据回传后端出错

Question

@PostMapping
    public  boolean save(@RequestBody menu menu){
        //新增或更新
        return userService.savemenu(menu);
    }

public class UserService extends ServiceImpl<UserMapper, menu> {
    public boolean savemenu(menu menu) {
 return saveOrUpdate(menu);
    }

Creating a new SqlSession
SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@46da75ef] was not registered for synchronization because synchronization is not active
JDBC Connection [HikariProxyConnection@1209893700 wrapping com.mysql.cj.jdbc.ConnectionImpl@403783] will not be managed by Spring
==>  Preparing: INSERT INTO menu ( DishID ) VALUES ( ? )
==> Parameters: -772145151(Integer)
<==    Updates: 1
Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@46da75ef]

调用savemenu方法时，postman发送给后端的数据与后端控制台显示的不一致

Answer 1

命名不规范可能会出现意想不到的报错，类的首字母应该大写