如何判断一个checkbox已选

WBOY
Release: 2016-06-13 13:10:50
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怎么判断一个checkbox已选?

HTML code
<!--

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<input type="checkbox" onclick="selectAll()" id="choose_all" value="<?php if?> checked==" checked echo>">全选

Copy after login

我要取value的值,要求已选的时候是0,否则为空。上面的写法不对,求改正!

------解决方案--------------------
仿照着这个写就好了
checkbox解决方法
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php
$zixun1 = $_POST["zixun1"];
for($i=0;$iecho $zixun1[$i]."
"
?>
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