//查询券、验券
 public function prepare(){
  // $arr 为数组 里面为应用参数
  $appKey = "1ef04****e3a8"; //key
  $secret = "dd8a291f9f*****4e3fbd9be6ff"; //秘钥
  $timestamp = date('Y-m-d H:i:s');
  $format = 'json';
  $v = 1;
  $sign_method = 'MD5';
  $qr_code = '257***4228';
  $open_shop_uuid = '34d5902420ca****48e941a38d773';
  $session = 'bbf7059256aaf3f1****3b4d9c0816cf819b7';
 
  $data = [
   'app_key' => $appKey,
   'timestamp' => $timestamp,
   'sign_method' => $sign_method,
   'format' => $format,
   'v' => $v,
   'session' => $session,
  ];
  $arr = [
   'requestid'=>'123',
   'receipt_code' => $qr_code,
   //'qr_code'=>$qr_code,
   'open_shop_uuid' => $open_shop_uuid,
   //'count'=>1,
   //'app_shop_account' =>'test',
   // 'app_shop_accountname' =>'test1',
  ];
  $data = array_merge($data, $arr);
  ksort($data);
  $sign = $this->cal_sign($secret, $data);//获取签名
  $data['sign'] = $sign;
//  $data['count'] = $sign;
//  $data['app_shop_account'] = $sign;
//  $data['app_shop_accountname'] = $sign;
  $data = array_merge($data, $arr);
  $postdata = http_build_query($data);
  $url = 'https://openapi.dianping.com/router/tuangou/receipt/prepare';//输码查询券
  //$url = 'https://openapi.dianping.com/router/tuangou/receipt/scanprepare';//扫码查询券
  //$url = 'https://openapi.dianping.com/router/tuangou/receipt/consume';//验券
  $tmpInfo=$this->curl_post($url,$postdata);
  var_dump($tmpInfo);
 }
 
 
 
/**
  * 计算签名
  *
  * @param $app_secret 三方app_secret
  * @param $req_param 请求参数集合，包括公共参数和业务参数
  * @return string md5签名
  */
 function cal_sign($app_secret, $req_param)
 {
  // 排序所有请求参数
  ksort($req_param);
  $src_value = "";
  // 按照key1value1key2value2...keynvaluen拼接
  foreach ($req_param as $key => $value) {
   $src_value .= ($key . $value);
  }
  //计算md5
  return md5($app_secret . $src_value . $app_secret);
 }
 
 //post请求
  private function curl_post($url,$postdata){
  $curl = curl_init(); // 启动一个CURL会话
  curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检测
  curl_setopt($curl, CURLOPT_HTTPHEADER, array(
   'Expect:'
  )); // 解决数据包大不能提交
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
  curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
  curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求
  curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata); // Post提交的数据包
  curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循
  curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
  curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
// curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
  $tmpInfo = curl_exec($curl); // 执行操作
  if (curl_errno($curl)) {
   echo 'Errno' . curl_error($curl);
  }
  curl_close($curl); // 关键CURL会话
  $tmpInfo=json_decode($tmpInfo,true);
  return $tmpInfo;
 }
 
 //get请求
 private function curl_get($url) {
  //初使化curl
  $curl = curl_init();
  //请求的url，由形参传入
  curl_setopt($curl, CURLOPT_URL, $url);
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检测
  curl_setopt($curl, CURLOPT_HTTPHEADER, array(
   'Expect:'
  )); // 解决数据包大不能提交
  //将得到的数据返回
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  //不处理头信息
  curl_setopt($curl, CURLOPT_HEADER, 0);
  //连接超过10秒超时
  curl_setopt($curl, CURLOPT_TIMEOUT, 30);
  curl_setopt($curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
  curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
  curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
  curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
  //执行curl
  $output = curl_exec($curl);
  if (curl_errno($curl)) {
   echo 'Errno' . curl_error($curl);
  }
  //关闭资源
  curl_close($curl);
  //返回内容
  $tmpInfo=json_decode($output,true);
  return $tmpInfo;
 }

//获取auth_code
 
 public function get_auth(){
  $auth_code = input('auth_code');
  if(!isset($auth_code)) {
   $app_key='1ef*****3a8';
   $state='teststate';
   $redirect_url='https://****/admin/Dian/get_auth';
   $scope='tuangou';
   $url='https://e.dianping.com/dz-open/merchant/auth?';
   $data=[
    'app_key' =>$app_key,
    'state' => $state,
    'redirect_url' =>$redirect_url,
    'scope' =>$scope,
   ];
   $postdata = http_build_query($data);
   Header("Location: $url$postdata");
  } else {
   var_dump($auth_code);die();
  }
 }
 
 
 //获取session
 public function get_session(){
  $app_key='1ef0*****e3a8';
  $app_secret='dd8a291******bd9be6ff';
  $auth_code='4e027519e******a6a9d1ee5f2';
  $grant_type='authorization_code';
  $redirect_url='https://*****/admin/Dian/get_auth';
 
  $data=[
   'app_key' =>$app_key,
   'app_secret' => $app_secret,
   'redirect_url' =>$redirect_url,
   'auth_code' =>$auth_code,
   'grant_type' =>$grant_type
  ];
  $postdata = http_build_query($data);
  $url='https://openapi.dianping.com/router/oauth/token';
  $tmpInfo=$this->curl_post($url,$postdata);
  var_dump($tmpInfo);
 }
 
 
//获取所有店铺的id
 public function get_shopid(){
  $app_key='1ef04*****e3a8';
  $secret = "dd8a29*****fbd9be6ff"; //秘钥
  $sign_method='MD5';
  $timestamp = date('Y-m-d H:i:s');
  $format = 'json';
  $v = 1;
  //$session = 'f44d594ab895c******85b70bade02c';
  $session = 'bbf7059256aaf3*******0816cf819b7';
  $bid='5da1aab********5ad457a2c';//和session一起返回的
  $offset =0;
  $limit = 20;
  $url='https://openapi.dianping.com/router/oauth/session/scope?';
  $data=[
   'app_key' =>$app_key,
   'sign_method' => $sign_method,
   'timestamp' =>$timestamp,
   'format' =>$format,
   'v' =>$v,
   'session' =>$session,
   'bid' =>$bid,
   'offset' =>$offset,
   'limit' =>$limit,
  ];
  ksort($data);
  $sign = $this->cal_sign($secret, $data);
  $data['sign'] = $sign;
  $postdata = http_build_query($data);
  $tmpInfo=$this->curl_get($url.$postdata);
  var_dump($tmpInfo);
 }