var users []User//   查询 执行用Scan 和Find 一样db=db.Raw("select uid,user_name,age from Users").Scan(&users)//db=db.Raw("select uid,user_name,age from Users").Find(&users)fmt.Println("Users",users)//  更新和删除.插入用 Execdb= db.Exec("update Users set user_name='def' where uid=?",1)fmt.Println("更新了",db.RowsAffected,"条数据")db= db.Exec("delete from Users where uid=?",2)fmt.Println("更新了",db.RowsAffected,"条数据")return  int32(Mycount.Usercount)