相关疑难解决方法(0)

我有jQuery远程验证的问题.我正在检查电子邮件是否已注册,远程验证是否有效,但它只显示值 - true或false,我无法提交表单.

jQuery代码:

$("#form").validate({
  rules: {
    email: {
      required: true,
      email: true,
      remote: "check-email.php"

    }
  }
}); 

check-mail.php代码:

$email = trim(strtolower($_REQUEST['email']));


$checkemail = mysql_query("SELECT * FROM users WHERE email = '".$email."'");  

if(mysql_num_rows($checkemail) == 1)
{
$valid = 'false';
}
else
{
$valid = 'true';
} //end of $checkemail if statemant


echo json_encode($valid);