<?php
require_once "HttpUtils.php";

//1.獲取code
$httpUtils = new HttpUtils();
$code = $_GET["code"];

if($code != null){
echo("code is have");

//2. 通過code換取網頁授權access_token
$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=wx4a14bf95e973b059&secret=af99ce68694f39e2712e7cf7c22fe224&code=$code&grant_type=authorization_code";
$res = json_decode($httpUtils->httpGet($url));
$access_token = $res->access_token;
$openid = $res->openid;
$expires_in = $res->expires_in;
$refresh_token = $res->refresh_token;
$scope = $res->scope;

//3. 拉取用戶信息(需scope為 snsapi_userinfo)
$url = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN";
$userInfoResult = json_decode($httpUtils->httpGet($url));
echo("</br>");
echo("openid:".$userInfoResult->openid."</br>");
echo("nickname:".$userInfoResult->nickname."</br>");
echo("sex:".$userInfoResult->sex."</br>");
echo("province:".$userInfoResult->province."</br>");
echo("city:".$userInfoResult->city."</br>");
echo("country:".$userInfoResult->country."</br>");
echo("headimgurl:".$userInfoResult->headimgurl."</br>");
echo("privilege:".$userInfoResult->privilege."</br>");
echo("unionid:".$userInfoResult->unionid."</br>");

//4.重定向
$openid = $userInfoResult->openid;
$nickname = $userInfoResult->nickname;
header('Location:[url]http://120.24.188.118/Example/weixin_php_scope/egret/index.html'.[/url]"?openid=".$openid."&nickname=".$nickname);


}else{
echo("code is null");
}
?>