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我的登錄到系統的查詢在本地運行正常,但是在服務器上上傳。它不會在PHP中返回任何內容。下面是該查詢:Mysql查詢不在服務器上工作,但在本地正常工作
"SELECT `UserID`
FROM `" . DB_NAME . "`.`Login`
WHERE `UserName` = '" . $UserName . "'
AND `UserPassword` = '" . $Password . "';"
...這是我的PHP代碼:
$UserName = $_POST['txtUserName'];
$Password = md5($_POST['txtPassword']);
$qry = "SELECT `UserID`
FROM `" . DB_NAME . "`.`Login`
WHERE `UserName` = '" . $UserName . "'
AND `UserPassword` = '" . $Password . "';";
$result = mysql_query($qry);
session_start();
if ($result) {
if (mysql_num_rows($result) > 0) {
//Login Successful
session_regenerate_id();
$User = mysql_fetch_assoc($result);
$_SESSION['UserID'] = $User['UserID'];
session_write_close();
mysql_close();
exit();
} else {
//Login failed
mysql_close();
die('Invalid UserName and Password combination...');
}
} else {
mysql_close();
die('Query failed...' . mysql_error());
}
返回的輸出是:
Query failed...
Anddddd ...錯誤是什麼? http://php.net/manual/en/function.mysql-error.php另外,你可以對SQL注入開放。用參數化查詢或其他東西來研究PDO。 – Brad
db,用戶名和密碼已設置在字符串中後'echo $ qry'。 –
在哪裏可以看到'PHPMyAdmin'錯誤的詳細信息 –