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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

微信生成二维码