无夜游魂(Souls at Night)

EMAIL AJAX验证

2017-02-07 21:29:50

//    function check_email(){
//  
//      if (!document.getElementById("username").value.match(/^[a-z0-9][w.-_]+@w+(.w+){1,3}$/i)) {   
//    document.getElementById("error_username").innerHTML = "EMAIL is not valid!";
//    return false
//          }else{
//          document.getElementById("error_username").innerHTML = "";
//    return true;
//    }
// }

ajax_friends.php:
include_once (dirname ( __FILE__ ) . '/../include/db_connect.php');
@session_start ();
if ($_GET ["email"]) {
 $num = 0;
 if ($_SESSION ["member_id"]) {
  $member_id = $_SESSION ["member_id"];
  
  $email = mysql_escape_string ( $_GET ["email"] );
  $sql = "select * from t_member where email='$email' and id != '$member_id';";
  $query = mysql_query ( $sql );
  $num = mysql_num_rows ( $query );
 }
 if ($num > 0) {
  echo "TRUE";
 } else {
  echo "FALSE";
 }
}
?>