在PHP中如何做批量删除?
在PHP中怎么做批量删除?求代码
最近在做一个项目,但是批量删除一直都不能达到效果。我把代码贴在下面,各位大牛帮我看看,问题出在什么地方,再此谢谢了!
//1.批量删除
if($_POST["chk"]){
$sid = implode(",", $_POST["chk"]);
$query = mysql_query("delete from news where news_id in (".$sid.")");
if($query){
echo "";
}
else {
echo "";
}
}
这种方法怎么删除也不行,还有有时候点取消也能删除,不知道为什么,求高手解答。
------解决方案--------------------
吧sql语句echo 出来,看看到底执行的是什么,不行在想其他的解决办法
------解决方案--------------------
这个问题很容易解决,把$_POST["chk"]打印,把SQL语句打印 问题就解决了
------解决方案--------------------
建议你贴全你的代码
------解决方案--------------------
echo "";
你的checkbox没有给value值。
------解决方案--------------------
点取消也能删除是因为这句要这么写:
还有del() 函数里面:
if(num==0){
alert("请选择!");
return false;
}

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