PHP批量删除技巧

首先要了解sql语句  

 

$SQL="delete from `PHP100` where id in (1,2,4)";
表单大概是：

 

<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>

php函数主要用到implode  

$ID_Dele= implode(",",$_POST[ID_Dele]);
$SQL="delete from `user` where id in ($ID_Dele)";