我想從MySQL數據庫中刪除一行,但我無法做到這一點,雖然我可以更新該行。 第一部分是更新代碼,第二部分是刪除代碼。從PHP中的數據庫中刪除一行
有趣的是,它顯示我成功刪除的警報,但實際上在MySQL數據庫中沒有什麼會改變。
<?php
// for updating Check if button name "Submit" is active, do this
if(isset($_POST['Submit']) && $_POST['Submit'] == 'update')
{
$sql1=mysql_query(" UPDATE `".$tbl_name."` SET `username`='".$_REQUEST['user']."' , `password`='".$_REQUEST['pass']."' , `name`='".$_REQUEST['name']."' , `lastname`='".$_REQUEST['lastname']."' , `phone`='".$_REQUEST['phone']."' , `state`='".$_REQUEST['state']."' , `details`='".$_REQUEST['details']."' WHERE `id`='".$_REQUEST['id']."' ");
$result1=mysql_query($sql1);
}
if(isset($result1)){
?>
<script language="javascript">alert('successfuly updated');</script>
<?php
print(redirect('editteacher.php'));
}
mysql_close();
?>
<?php
//for deleting Check if button name "Submit" is active, do this
if(isset($_POST['delete']) && $_POST['delete'] == 'delete user')
{
$sql1=" DELETE FROM `".$tbl_name."` WHERE `username`='789' ";
$result1=mysql_query($sql1);
if(isset($result1)){
?>
<script language="javascript">alert('successfuly deleted');</script>
<?php
print(redirect('editteacher.php'));
}
}
mysql_close();
?>
db的用戶權限? – Jean 2013-04-10 21:09:05
錯誤?你有沒有檢查你實際上有刪除權限? – Think 2013-04-10 21:09:18
[請不要在新代碼'mysql_ *'功能(http://bit.ly/phpmsql)。他們不再被維護[並被正式棄用](https://wiki.php.net/rfc/mysql_deprecation)。看到[紅框](http://j.mp/Te9zIL)?學習[*準備的語句*](http://j.mp/T9hLWi),並使用[PDO](http://php.net/pdo)或[MySQLi](http://php.net/ mysqli) - [這篇文章](http://j.mp/QEx8IB)將幫助你決定哪個。如果你選擇PDO,[這裏是一個很好的教程](http://j.mp/PoWehJ)。 – 2013-04-10 21:10:28