const url='https://api.xintijiao.com';
const tokenname="token";

function GetQueryString(name) {
	var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
	var r = window.location.search.substr(1).match(reg);
	if(r != null)
		return unescape(r[2]);
	return null;
}

function getUserToken(code) {
    if(code != null){
        $.ajaxSettings.async = false; 
        $.getJSON(url + '/open/access_token/' + code, function(data,ok) {
            if(ok=='success') {
                sessionStorage.setItem(tokenname, JSON.stringify(data));
            }
        });
        $.ajaxSettings.async = true;
    }

    var userstr=sessionStorage.getItem(tokenname);
    if (userstr!=null){
        return JSON.parse(userstr);
    }
}