PHP 批量删除功能

表单

<form id="form2" name="form2" method="post" action="del_product.php" οnsubmit="return checkF(this)"> <label> <input type="checkbox" name="id[]" value="<?php echo $rs['id'];?>" style="background:none; border:none;" /> </label> <div style="padding-left:20px;"><input type="button" value="全选" style="background:url(images/cheall.jpg) no-repeat; width:60px; height:23px; border:none;" onClick="selectBox('all')"/> <input type="button" value="反选" style="background:url(images/cheall.jpg) no-repeat; width:60px; height:23px; border:none;" onClick="selectBox('reverse')"/> <input type="submit" name="btnSave" style="background:url(images/cheall.jpg) no-repeat; width:60px; height:23px; border:none;" value="删除"/> </div></form>

JS

<script type="text/javascript" language="javascript">function selectBox(selectType){var checkboxis = document.getElementsByName("id[]");if(selectType == "reverse"){for (var i=0; i<checkboxis.length; i++){//alert(checkboxis[i].checked);checkboxis[i].checked = !checkboxis[i].checked;}}else if(selectType == "all"){for (var i=0; i<checkboxis.length; i++){//alert(checkboxis[i].checked);checkboxis[i].checked = true;}}} </script>

del_product.php 

<?php include('checkadmin.php'); header('Content-Type: text/html; charset=utf-8'); if($_POST['btnSave']){if(empty($_POST['id'])){echo"<script>alert('必须选择一个产品,才可以删除!');history.back(-1);</script>";exit;}else{ /*如果要获取全部数值则使用下面代码*/$id= implode(",",$_POST['id']);$str="DELETE FROM `product` where id in ($id)";mysql_query($str);echo "<script>alert('删除成功！');window.location.href='product_list.php';</script>"; } } ?>

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