时间:2021-07-01 10:21:17 帮助过:1人阅读
/*delete.php*/
<?php
include("connect.php");
//判断传值是否为空
if($_GET[‘ud‘]==‘ ‘)
{
die(‘未传值!‘);
mysql_error();
}
$sql="delete from stu where stu_id=".$_GET[‘ud‘];
//删除数据库中的数据
mysql_query($sql);
$num=mysql_affected_rows();
//函数获得数据库中“受影响的”数据的个数
//返回是否删除成功
if($num>0)
{//如果受影响个数大于0,则必然操作成功
echo "<center>";
echo "<script>alert(‘Congratulation!delete successed!‘)</script><br>";
echo "<a href=‘table.php‘>return</a>";
echo "</center>";
}
else
{
echo "<center>";
echo "<script>alert(‘Sorry!failed to delete!‘)</script><br>";
echo "<a href=‘table.php‘>return</a>";
echo "</center>";
}
?>
数据库删除操作
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