JS获取URL中的参数
function getUrlParam(name) {
var s = location.href;
s = s.replace("?", "?&").split("&");
var re = "";
for (var i = 0; i < s.length; i++) {
if (s[i].indexOf(name + "=") == 0) {
re = s[i].replace(name + "=", "");
}
}
return re;
}
var code = getUrlParam('code');