PHP ÅúÁ¿É¾³ýÊý¾ÝµÄ·½·¨

 HTML´úÂë
<form action="" method="post">
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="1"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="2"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="3"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="4"/>
<input type="submit"/>
</form>
phpº¯ÊýÖ÷ÒªÓõ½implode 
<?php
if ($_POST["action"]="doing"){
$del_id=$_POST["ID_Dele"];
$ID_Dele= implode(",",$_POST['ID_Dele']);
echo "ºÏ²¢ºó:".$ID_Dele."<br />ºÏ²¢Ç°:";
if($del_id!=""){
$del_num=count($del_id);
for($i=0;$i<$del_num;$i++){
echo $del_id[$i];
}
}
}else{
echo "ÇëÌá½»";
}
?>  
SQL Óï¾ä
$SQL="delete from `doing` where id in ($ID_Dele)";