/**
 * 微信开发配置控制器
 * Class WeixinController
 * @package M\Controller
 */
class WeixinController extends Controller
{
 public function index()
 {
 import('Org.Wechat.Weixin');
 //参数传值 token、AppID、AppSecert
 $wechat = new \Weixin('zxxxi', 'wxxxxxxxxx89', 'efxxxxxxxxxxxxxxxxxxxxxxxb7');
 if (!isset($_GET['echostr'])) {
  //TODO 调用响应消息函数 自动回复
  $wechat->responseMsg();
 } else {
  //实现网址接入，调用验证消息函数
  $wechat->valid();
 }
 }
}

import('Org.Wechat.Weixin');
//参数传值 token、AppID、AppSecert
$wechat=new \Weixin('zxxxxi','wxxxxxxxxxxxxx9','efxxxxxxxxxxxxxxxxxxxxxxxxxxxx7');
//可理解为这是当下的链接地址
$url = "http://www.xxxxx.com".$_SERVER['REQUEST_URI'];
//TODO 判断 memcache是否有值，是否过期 (此处只是一个判断举例)
if(!S(session('XXXNAME').'_NAMEID')){
 if(!$_GET['code']){
 $redirect_uri = $url;
 $urls=$wechat->getOauthRedirect($redirect_uri);
 header("Location:".$urls);
 die;
 }
}
$reT=$wechat->getOauthAccessToken();
//TODO 如果获得 token值
if($reT){
 $openid = $reT['openid'];
 $user_info = $wechat->getOauthUserinfo($reT['access_token'],$openid);
 //查询数据库是否存在
 $userData = M('users')
 ->where("openid = '$openid'")
 ->Field('user_id,user_name,abnormal')
 ->find();
 if ($userData['user_id']) {
 //执行操作 或者跳转页面
 header("Location:？？？？？？？");
 }else{
 //没有帐号需要转到用户名填写页面来完成授权
 $maxuid = M('users')->max('user_id');
 $user['openid'] = $openid;
 $user['nickname'] = $user_info['nickname'];
 $user['sex'] = $user_info['sex'];
 $user['reg_time'] = time();
 $user['user_img'] = $user_info['headimgurl'];
 //TODO 进行新用户的添加
 $addTag = add('users',$user);
 }
}else{
//重新跳转，或其他操作...
}