mysql_query("UPDATE users SET friends = CONCAT(friends,"$friend_id") WHERE username = '$user_logged_in'") or die mysql_error());mysql_query("UPDATE users SET friends = friends +" . ", " .
型号: public class UserModel public string Email { get; set; }} 验证器: public class UserModelValidator:AbstractValidator<UserModel> public UserModelValidator() RuleFor(x => x.Email).NotEmpty();
RuleFor(x => x.Passwo
重要事项:这仅适用于续订版本<3mysql> SET FOREIGN_KEY_CHECKS = 0; truncate table myTable; SET FOREIGN_KEY_CHECKS =Error: ER_PARSE_ERROR: You have an error in your SQL syntax; check the