PHP獲取小程序二維碼

獲取帶參數的小程序碼

	// 該代碼用的yii框架
	  public function actionQr(){
        $host = $http.$_SERVER['HTTP_HOST'];
        $file_name = 'qr_gc_'.$id.'.png';
	  //該判斷爲判斷是否生成過二維碼，存在直接使用
        if(file_exists('./qrimage/'.$file_name)){
            return  json_encode(['code'=>1, 'status'=>'success', 'message'=>'獲取二維碼成功','url'=>$host.'/qrimage/'.$file_name]);
        }else{
        $getaccurl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx2ad7a42**00990ca&secret=bdab7201012******ab7b00b0c4cca";
        $data =  file_get_contents($getaccurl);
        $access_token =  json_decode($data,true);
        $data=["path"=>"pages/signSuccess/signSuccess?id=".$id,"width"=>430,'auto_color'=>true/*,'is_hyaline'=>true*/];
        $url = 'https://api.weixin.qq.com/wxa/getwxacode?access_token='.$access_token['access_token'];
        $result = $this->api_notice_increment($url,json_encode($data));
        $base64_image =base64_encode( $result );
        //保存圖片到服務器
        $base64_image = $this->saveImageToLocal($base64_image,$file_name);
        return  json_encode(['code'=>1, 'status'=>'success', 'message'=>'獲取二維碼成功','url'=>$host.$base64_image]);
        }
    }
       //發起請求 
         function api_notice_increment($url, $data){
        $ch = curl_init();
        $header = "Accept-Charset: utf-8";
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
//        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $tmpInfo = curl_exec($ch);
        if (curl_errno($ch)) {
            return false;
        }else{
            return $tmpInfo;
        }
    }
     function saveImageToLocal($image,$filename)
    {
        $path = './qrimage/'.$filename;
        $r = file_put_contents($path,base64_decode($image));
        if($r>0){
            return ltrim($path,'.');
        }else{
            return false;
        }
    }