<script>
url = location.search.substr(1);
if(url.length > 0)
{
ar = url.split(/[&=]/);
for(i=0;i<ar.length;i+=2)
{
alert("参数:"+ar[i]+":"+ar[i+1]+"<br>");
}
};
</script>
<a href='?a=你好&room=awe'>test</a>