php method to delete data in batches: first on the article list page [list.php]; then name the multi-select box [$del_id[]], the value is the article ID number; finally process the page [del. php].
php method to delete data in batches:
1. First, on the article list page (list.php), Name the multi-select box: "$del_id[]", and the value is the article ID number.
例如(list.php):
<form name="del_form" action="del.php" method="post">
<?php
$result=mysql_query("select * from news");
while($rs=mysql_fetch_array($result)){
?>
<input name="del_id[]" type="checkbox" id="del_id[]" value="<?=$rs[id]?>" /><?=$rs[title]?>
<?php
}
?>
</form>2. Processing page (del.php):
<?php
if($del_id!=""){
$del_num=count($del_id);
for($i=0;$i<$del_num;$i++){
mysql_query("Delete from news where id='$del_id[$i]'");
}
echo("<script type='text/javascript'>alert('删除成功！');history.back();</script>");
}else{
echo("<script type='text/javascript'>alert('请先选择项目！');history.back();</script>");
}
?>If you want to learn more about programming, please pay attention to the php training column!
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