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PHP版微信红包API接口程序

发布时间:2022-07-04 10:05:18 所属栏目:PHP教程 来源:互联网
导读:对于微信红包我相信今年过年时各位朋友都有知道吧,这个微信红包相当的火爆了,下面我们来给各位介绍一个PHP版微信红包API接口程序了,我们可以基于这个接口也实现开发第三方红包功能. 根据微信高级红包接口,开发PHP版本的API接口,现在进行主要代码分析,红包接
  对于微信红包我相信今年过年时各位朋友都有知道吧,这个微信红包相当的火爆了,下面我们来给各位介绍一个PHP版微信红包API接口程序了,我们可以基于这个接口也实现开发第三方红包功能.
 
  根据微信高级红包接口,开发PHP版本的API接口,现在进行主要代码分析,红包接口调用请求代码,所有请求参数为必填参数与文档对应:
 
  class Wxapi {
      private $app_id = 'wxXXXXXXXXXXXX'; //公众账号appid,首先申请与之配套的公众账号
      private $app_secret = 'XXXXXXXXXXXXXXXXXXXXXXXX';//公众号secret,用户获取用户授权token
      private $app_mchid = 'XXXXXXXX';//商户号id
      function __construct(){
      //do sth here....
      }
      /**
       * 微信支付
       * @param string $openid 用户openid
       */
      public function pay($re_openid)
      {
          include_once('WxHongBaoHelper.php');
          $commonUtil = new CommonUtil();
          $wxHongBaoHelper = new WxHongBaoHelper();
          $wxHongBaoHelper->setParameter("nonce_str", $this->great_rand());//随机字符串,丌长于 32 位
          $wxHongBaoHelper->setParameter("mch_billno", $this->app_mchid.date('YmdHis').rand(1000, 9999));//订单号
          $wxHongBaoHelper->setParameter("mch_id", $this->app_mchid);//商户号
          $wxHongBaoHelper->setParameter("wxappid", $this->app_id);
          $wxHongBaoHelper->setParameter("nick_name", '红包');//提供方名称
          $wxHongBaoHelper->setParameter("send_name", '红包');//红包发送者名称
          $wxHongBaoHelper->setParameter("re_openid", $re_openid);//相对于医脉互通的openid
          $wxHongBaoHelper->setParameter("total_amount", 100);//付款金额,单位分
          $wxHongBaoHelper->setParameter("min_value", 100);//最小红包金额,单位分
          $wxHongBaoHelper->setParameter("max_value", 100);//最大红包金额,单位分
          $wxHongBaoHelper->setParameter("total_num", 1);//红包?Х抛苋耸?br />         $wxHongBaoHelper->setParameter("wishing", '感谢您参与红包派发活动,祝您新年快乐!');//红包祝福诧
          $wxHongBaoHelper->setParameter("client_ip", '127.0.0.1');//调用接口的机器 Ip 地址
          $wxHongBaoHelper->setParameter("act_name", '红包活动');//活劢名称
          $wxHongBaoHelper->setParameter("remark", '快来抢!');//备注信息
          $postXml = $wxHongBaoHelper->create_hongbao_xml();
          $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack';
          $responseXml = $wxHongBaoHelper->curl_post_ssl($url, $postXml);
          //用作结果调试输出
          //echo htmlentities($responseXml,ENT_COMPAT,'UTF-8');
      $responseObj = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
      return $responseObj->return_code;
      }  //phpfensi.com
  获取随机字符串方法:
   
  /**
   * 生成随机数
   */      
  public function great_rand(){
      $str = '1234567890abcdefghijklmnopqrstuvwxyz';
      for($i=0;$i<30;$i++){
          $j=rand(0,35);
          $t1 .= $str[$j];
      }
      return $t1;     
  }
  签名算法:
 
  /**
  例如:
  appid:    wxd111665abv58f4f
  mch_id:    10000100
  device_info:  1000
  Body:    test
  nonce_str:  ibuaiVcKdpRxkhJA
  第一步:对参数按照 key=value 的格式,并按照参数名 ASCII 字典序排序如下:
 
  stringA="appid=wxd930ea5d5a258f4f&body=test&device_info=1000&mch_id=10000100&nonce_str=ibuaiVcKdpRxkhJA";
 
  第二步:拼接支付密钥:
 
  stringSignTemp="stringA&key=192006250b4c09247ec02edce69f6a2d"
  sign=MD5(stringSignTemp).toUpperCase()="9A0A8659F005D6984697E2CA0A
  9CF3B7"
  */
  protected function get_sign(){
      define('PARTNERKEY',"QSRXXXXXXXXXXXXXXXXXXXXX");
      try {
          if (null == PARTNERKEY || "" == PARTNERKEY ) {
             throw new SDKRuntimeException("密钥不能为空!" . "<br>");
          }
          if($this->check_sign_parameters() == false) {   //检查生成签名参数
             throw new SDKRuntimeException("生成签名参数缺失!" . "<br>");
          }
          $commonUtil = new CommonUtil();
          ksort($this->parameters);
          $unSignParaString = $commonUtil->formatQueryParaMap($this->parameters, false);
          $md5SignUtil = new MD5SignUtil();
          return $md5SignUtil->sign($unSignParaString,$commonUtil->trimString(PARTNERKEY));
      }catch (SDKRuntimeException $e)
      {
          die($e->errorMessage());
      }
   
  }
  CURL请求以及发送证书:
 
  function curl_post_ssl($url, $vars, $second=30,$aHeader=array())
  {
      $ch = curl_init();
      //超时时间
      curl_setopt($ch,CURLOPT_TIMEOUT,$second);
      curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
      //这里设置代理,如果有的话
      curl_setopt($ch,CURLOPT_URL,$url);
      curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
      curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);      
      //cert 与 key 分别属于两个.pem文件
      //请确保您的libcurl版本是否支持双向认证,版本高于7.20.1
      curl_setopt($ch,CURLOPT_SSLCERT,dirname(__FILE__).DIRECTORY_SEPARATOR.'zhengshu'.DIRECTORY_SEPARATOR.'apiclient_cert.pem');
      curl_setopt($ch,CURLOPT_SSLKEY,dirname(__FILE__).DIRECTORY_SEPARATOR.'zhengshu'.DIRECTORY_SEPARATOR.'apiclient_key.pem');
      curl_setopt($ch,CURLOPT_CAINFO,dirname(__FILE__).DIRECTORY_SEPARATOR.'zhengshu'.DIRECTORY_SEPARATOR.'rootca.pem');
      if( count($aHeader) >= 1 ){
          curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
      }
      curl_setopt($ch,CURLOPT_POST, 1);
      curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
      $data = curl_exec($ch);
      if($data){
          curl_close($ch);
          return $data;
      }
      else {  
          $error = curl_errno($ch);
          //echo "call faild, errorCode:$errorn";  
          curl_close($ch);
          return false;
      }
  }
  入口文件:
 
  @require "pay.php";
  //获取用户信息
  $get = $_GET['param'];
  $code = $_GET['code'];
  //判断code是否存在
  if($get=='access_token' && !emptyempty($code)){
      $param['param'] = 'access_token';
      $param['code'] = $code;
      $packet = new Packet();
      //获取用户openid信息
      $userinfo = $packet->_route('userinfo',$param);
      if(emptyempty($userinfo['openid'])){
          exit("NOAUTH");
      }
      //调取支付方法
      $packet->_route('wxpacket',array('openid'=>$userinfo['openid']));
  }else{
      $packet->_route('userinfo');
  }

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