js 传参

<script >
function getQueryStringRegExp(name)
{
var reg = new RegExp("(^|\\?|&)"+ name +"=([^&]*)(\\s|&|$)", "i");
if (reg.test(location.href)) return unescape(RegExp.$2.replace(/\+/g, " ")); return "";
};
</script>

 

<script >
document.write(getQueryStringRegExp('uid'));
</script>