微信生成二维码

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//生成带参数的临时二维码 用于绑定微信号$memcache = new Memcache;$memcache->addServer('127.0.0.1',11211);//检测是否有重复do{$rand_code = rand(20000,30000);}while($memcache->get($rand_code));//将user_id 存入memcache 缓存$memcache->set($rand_code,$_SESSION['user_id'],3600);//获得access_token;// $resultd =file_get_contents('https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wxdafc634908061c97&secret=584d57925a832e76676adeabb785dce8');// $resultd = json_decode($resultd);// $access_token = $resultd->access_token;$access_token = WXBaseFun::getAccessToken();//获得ticket$qrcode = '{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": '.$rand_code.'}}}';$url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=$access_token";$resulstd = https_post($url,$qrcode);$jsoninfo = json_decode($resulstd,true);$ticket = $jsoninfo['ticket'];//下载二维码图片$urls = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=".urlencode($ticket);$imageinfo = downloadimagefromweixin($urls);$filename = time().'_qrcode.jpg';$local_file = fopen('qrcode/'.$filename, 'w');if(false !==$local_file){if(false !==fwrite($local_file, $imageinfo['body'])){fclose($local_file);}}//分配生成的图片$smarty->assign('code_img',$filename);//生成带参数的二维码结束

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