PHP 对接美团大众点评团购券(门票)的开发步骤

一、功能简要介绍

    1、根据需求，用户在美团大众点评中所购买的门票在自己的系统上可以核销，同时把核销信息存储到自己的系统里。

   2、美团点评API文档地址：https://open.dianping.com/document/v2?rootDocId=5000

二、开发步骤：

   1、用点评管家账号登录文档，相应文档说明：https://open.dianping.com/document/v2?docId=6000136&rootDocId=1000

  2 、选好自己相应的应用型，审核通过之后，就可以用平台系统的测试的数据就行接口调用

3、在大众点评app购买相应票，根据验券核销API文档（根据业务需求选择的类型是自用型）调取查询券、验券即核销券的接口，代码如下：

//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;
 }

运用平台提供的相应参数，流程能顺利走通。

4、当放到线上的时候，选择相应的进行上线，首先要去平台“我的应用”设置回调地址，然后再授权地址上加上回调地址，还要进行授权去获取session，然后通过session去获取店铺的id

回调地址：

授权地址：

5、授权地址：

https://e.dianping.com/dz-open/merchant/auth?app_key=1ef0*****e3a8&redirect_url=https://*****/admin/Dian/get_auth&state=teststate&scope=[%22tuangou%22]

授权地址可以获取auth_code,根据这个值去换取session，换取session后可以去换取店铺id

//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);
 }

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