關於js php教程 處理checkbox checked與取值學習筆記
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<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.111cn.net/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>js checkbox checked</title>
</head><body>
<input name="checked[]" type="checkbox" value="" />
<input name="checked[]" type="checkbox" value="" />
<input name="checked[]" type="checkbox" value="" />
<script>
function getchecked()
{
var obj = document.getelementsbyname("checked[]");//這樣就把checked[]擷取了
var l = obj.length;
for( s=0;s<l;s++ )
{
alert(obj[s].value);//這樣checked的值會一個個被輸出了
if( obj.checked )
{
alert('這個是被勾選中的哦'+obj.value);
}
}
}
</script>
如果要利用php 擷取 checkbox的值怎麼辦呢，在php只要利用$_post['checked[]']變數名就可以，輸出是一個數組，我們只要以數組方式來處理他就可以了。
</body>
</html>
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