解析URL参数

function getArgs(){var args =new Object();var query=location.search.substring(1);//locatin.search： ?号后的参数串（包括问号）var pairs =query.split("&");for(var i =0;i<pairs.length;i++){var pos = pairs[i].indexOf('=');if(pos == -1) continue;var key =pairs[i].substring(0,pos);//参数名var value =pairs[i].substring(pos+1);//参数值alert(key+":"+value);value =decodeURIComponent(value);args[key] =value;}return args;}