标签：nap ret href api 页面 map 脚本 response 第三方登录
<html>
<head>
<title>QQ登录跳转</title>
<script src="http://lib.sinaapp.com/js/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
//切割字符串转换参数表
function toParamMap(str){
var map = {};
var segs = str.split("&");
for(var i in segs){
var seg = segs[i];
var idx = seg.indexOf(‘=‘);
if(idx < 0){
continue;
}
var name = seg.substring(0, idx);
var value = seg.substring(idx+1);
map[name] = value;
}
return map;
}
//隐式获取url响应内容(JSONP)
function openImplict(url){
var script = document.createElement(‘script‘);
script.src = url;
document.body.appendChild(script);
}
//获得openid的回调
function callback(obj)
{
var openid = obj.openid;
$("#openid").text(openid);
//跳转服务端登录url
var resulturl = "@{openapi.QQs.login_result()}";
var accessToken = $("#accessToken").text();
//向服务端传输access_token及openid参数
document.location.href=resulturl + "?access_token=" + accessToken + "&openid=" + openid;
}
</script>
</head>
<body>
<!--<p>AccessToken:<span id="accessToken"></span>--ExpireIn<span id="expire"></span></p>-->
<!--<p>OpenID:<span id="openid"></span></p>-->
<!-- 执行脚本 -->
<script type="text/javascript">
//应用的APPID ＊＊＊＊＊ 自己的app ID
var appID = "";
//登录授权后的回调地址，设置为当前url ＊＊＊＊＊＊自己的回调地址
// var redirectURI = "@@{openapi.QQs.login()}";
var redirectURI = "";
//初始构造请求
if (window.location.hash.length == 0)
{
var path = ‘https://graph.qq.com/oauth2.0/authorize?‘;
var queryParams = [‘client_id=‘ + appID,
‘redirect_uri=‘ + redirectURI,
‘scope=‘ + ‘get_user_info,list_album,upload_pic,add_feeds,do_like‘,‘response_type=token‘];
var query = queryParams.join(‘&‘);
var url = path + query;
window.location.href= url;
}
//在成功授权后回调时location.hash将带有access_token信息，开始获取openid
else
{
//获取access token
var accessToken = window.location.hash.substring(1);
var map = toParamMap(accessToken);
//记录accessToken
$("#accessToken").text(map.access_token);
$("#expire").text(map.expires_in);
//使用Access Token来获取用户的OpenID
var path = "https://graph.qq.com/oauth2.0/me?";
var queryParams = [‘access_token=‘+map.access_token, ‘callback=callback‘];
var query = queryParams.join(‘&‘);
var url = path + query;
openImplict(url);
}
</script>
</body>
</html>
标签：nap ret href api 页面 map 脚本 response 第三方登录
原文地址：http://www.cnblogs.com/wanghaonull/p/6700451.html
