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    php实现微信公众平台发红包功能

    本文实例为大家分享了php微信公众平台给用户发红包的具体代码,供大家参考,具体内容如下

    直接上代码:

    代码

    ?php
    /**
     * 微信红包的类 
     * @Author snmoney#gmail.com 
     * @copyright 2015 
     * @version 2.0
    
     * *微信红包还有部分可选的参数,如分享预设值等将在后续版本补充上相关功能。
     * 对应官方接口更新,追加了分裂红包的玩法,详情参考官方文档。
     */
    
    CLASS WXHongBao {
    
      private $mch_id = "********";               //商户ID写死
      private $wxappid = "********";          //微信公众号,写死
      private $client_ip = ""; //"127.0.0.1"; //调用红包接口的主机的IP,服务端IP,写死,即脚本文件所在的IP
      private $apikey = "";    //pay的秘钥值
      private $total_num = 1;                   //发放人数。固定值1,不可修改
      private $nick_name = "微信公众号红包";           //红包商户名称
      private $send_name = "微信公众号红包";          //红包派发者名称
      private $wishing = "欢迎再次参与";      //
      private $act_name = "";     //活动名称
      private $remark = "";
      private $nonce_str = "";
      private $mch_billno = "";
      private $re_openid = "";    //接收方的openID
      private $total_amount = 1 ;   //红包金额,单位 分
      private $min_value = 1;   //最小金额
      private $max_value = 1;   //根据接口要求,上述3值必须一致
      private $sign = "";     //签名在send时生成
      private $amt_type;     //分裂红包参数,在sendgroup中进行定义,是常量 ALL_RAND
    
      //证书,在构造函数中定义,注意!
      private $apiclient_cert; //= getcwd()."/apiclient_cert.pem";
      private $apiclient_key;// = getcwd()."/apiclient_key.pem";
      private $apiclient_ca;// = getcwd()."/apiclient_key.pem";
    
      //分享参数
      private $isShare = false; //有用?似乎是无用参数,全部都不是必选和互相依赖的参数
      private $share_content = ""; 
      private $share_url ="";
      private $share_imgurl = "";
    
      private $wxhb_inited;
    
      private $api_hb_group = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack";//裂变红包
      private $api_hb_single = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
    
      private $error = "ok"; //init
    
      /**
       * WXHongBao::__construct()
       * 步骤
       * new(openid,amount)
       * setnickname
       * setsend_name
       * setwishing
       * setact_name
       * setremark
       * send()
       * @return void
       */
      function __construct(){
        //好像没有什么需要构造函数做的 引入需要的文件
        $this->wxhb_inited = false; 
        $this->apiclient_cert = getcwd() . "/zzz1/apiclient_cert.pem";
        $this->apiclient_key = getcwd() . "/zzz1/apiclient_key.pem";
        $this->apiclient_ca = getcwd() . "/zzz1/rootca.pem";
      }
    
      public function err(){
        return $this->error;
      }
    
      public function error(){
        return $this->err();
      }
      /**
       * WXHongBao::newhb()
       * 构造新红包 
       * @param mixed $toOpenId
       * @param mixed $amount 金额分
       * @return void
       */
      public function newhb($toOpenId,$amount){
    
        if(!is_numeric($amount)){
          $this->error = "金额参数错误";
          return;
        }elseif($amount100){
          $this->error = "金额太小";
          return;
        }elseif($amount>20000){
          $this->error = "金额太大";
          return;
        }
    
        $this->gen_nonce_str();//构造随机字串
        $this->gen_mch_billno();//构造订单号
        $this->setOpenId($toOpenId);
        $this->setAmount($amount);
        $this->wxhb_inited = true; //标记微信红包已经初始化完毕可以发送
    
        //每次new 都要将分享的内容给清空掉,否则会出现残余被引用
        $this->share_content= "";
        $this->share_imgurl = "";
        $this->share_url = "";
      }
    
      /**
       * WXHongBao::sendGroup()
       * 发送裂变红包,参数为裂变数量
       * @param integer $num 3-20
       * @return
       */
      public function sendGroup($num=3){
        $this->amt_type = "ALL_RAND";//$amt; 固定值。发送裂变红包组文档指定参数,随机
        return $this->send($this->api_hb_group,$num);
      }
    
      public function getApiSingle(){
        return $this->api_hb_single;
      }
    
      public function getApiGroup(){
        return $this->api_hb_group;
      }
    
      public function setNickName($nick){
        $this->nick_name = $nick;
      }
    
      public function setSendName($name){
        $this->send_name = $name;
      }
    
      public function setWishing($wishing){
        $this->wishing = $wishing;
      }
    
      public function setActName($act){
        $this->act_name = $act;
      }
    
      public function setRemark($remark){
        $this->remark = $remark;
      }
    
      public function setOpenId($openid){
        $this->re_openid = $openid;
      }
    
      /**
       * WXHongBao::setAmount()
       * 设置红包金额
       * 文档有两处冲突描述
       * 一处指金额 >=1 (分钱)
       * 另一处指金额 >=100  20000 [1-200元]
       * 有待测试验证!
       * @param mixed $price 单位 分
       * @return void
       */
      public function setAmount($price){
        $this->total_amount = (int)$price;
        $this->min_value = (int)$price;
        $this->max_value = (int)$price;
      }
    
      //以下方法,为设置分裂红包时使用
      public function setHBminmax($min,$max){
        $this->min_value = $min;
        $this->max_value = $max;
      }
    
      public function setShare($img="",$url="",$content=""){
        //https://mmbiz.qlogo.cn/mmbiz/MS1jaDO92Ep4qNo9eV0rnItptyBrzUhJqT8oxSsCofdxibnNWMJiabaqgLPkDaEJmia6fqTXAXulKBa9NLfxYMwYA/0?wx_fmt=png
        //http://mp.weixin.qq.com/s?__biz=MzA5Njg4NTk3MA==mid=206257621idx=1sn=56241da30e384e40771065051e4aa6a8#rd
        $this->share_content = $content;
        $this->share_imgurl = $img;
        $this->share_url = $url;
      }
    
    
      /**
       * WXHongBao::send()
       * 发出红包
       * 构造签名
       * 注意第二参数,单发时不要改动!
       * @return boolean $success
       */
      public function send(){
    
        $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
        $total_num = 1;
    
        if(!$this->wxhb_inited) {
          $this->error .= "(红包未准备好)";
          return false; //未初始化完成
        }
    
        $this->total_num = $total_num;
    
        $this->gen_Sign(); //生成签名
    
        //构造提交的数据    
        $xml = $this->genXMLParam();
    
        //echo $xml;
    
        //debug
        file_put_contents("hbxml.debug",$xml);
    
        //提交xml,curl
        //$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
        $ch = curl_init();   
        curl_setopt($ch,CURLOPT_TIMEOUT,10);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);    
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
    
        //curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT,$this->apiclient_cert);    
        //curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY,$this->apiclient_key);
    
        curl_setopt($ch,CURLOPT_CAINFO,$this->appclient_ca);
    
        /* 
        if( count($aHeader) >= 1 ){
          curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
        }
        */    
        curl_setopt($ch,CURLOPT_POST, 1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
        $data = curl_exec($ch);
         //die(print_r($data));
        if($data){
          curl_close($ch);
          $rsxml = simplexml_load_string($data);
          if($rsxml->return_code == 'SUCCESS' ){
            return true;
          }else{
            $this->error = json_encode($rsxml->return_msg);
            return false;  
          }
        }else{ 
          $this->error = curl_errno($ch);
    
          curl_close($ch);
          return false;
        }
    
      }
    
      private function gen_nonce_str(){
        $this->nonce_str = strtoupper(md5(mt_rand().time())); //确保不重复而已
      }
    
      private function gen_Sign(){
        unset($param); 
        //其实应该用key重排一次 right?
        $param["act_name"]=$this->act_name;//
    
        if($this->total_num==1){ //这些是裂变红包用不上的参数,会导致签名错误
          $param["client_ip"]=$this->client_ip;
           $param["max_value"]=$this->max_value;
           $param["min_value"]=$this->min_value;
          $param["nick_name"]=$this->nick_name;
        }
    
        $param["mch_billno"] = $this->mch_billno;  //   
        $param["mch_id"]=$this->mch_id;//    
        $param["nonce_str"]=$this->nonce_str;  //  
        $param["re_openid"]=$this->re_openid;//
        $param["remark"]=$this->remark;    //
        $param["send_name"]=$this->send_name;//
        $param["total_amount"]=$this->total_amount;//
        $param["total_num"]=$this->total_num;    //
        $param["wishing"]=$this->wishing;//
        $param["wxappid"]=$this->wxappid;//
    
        //裂变红包 用不到就注释掉
         if($this->share_content) $param["share_content"] = $this->share_content;
         if($this->share_imgurl) $param["share_imgurl"] = $this->share_imgurl;
         if($this->share_url) $param["share_url"] = $this->share_url;
        if($this->amt_type) $param["amt_type"] = $this->amt_type; //
    
        ksort($param); //按照键名排序...艹,上面排了我好久
    
        //$sign_raw = http_build_query($param)."key=".$this->apikey;
        $sign_raw = "";
        foreach($param as $k => $v){
          $sign_raw .= $k."=".$v."";
        }
        $sign_raw .= "key=".$this->apikey;
        //可以用下面方法查看
        // file_put_contents("11sign.txt",$sign_raw);//debug
        $this->sign = strtoupper(md5($sign_raw));
    
      }
    
      /**
       * WXHongBao::genXMLParam()
       * 生成post的参数xml数据包
       * 注意生成之前各项值要生成,尤其是Sign
       * @return $xml
       */
      public function genXMLParam(){
        // $xml = "xml>
    
    
        //   sign>".$this->sign."/sign> 
        //   mch_billno>".$this->mch_billno."/mch_billno> 
        //   mch_id>".$this->mch_id."/mch_id> 
        //   wxappid>".$this->wxappid."/wxappid> 
        //   nick_name>![CDATA[".$this->nick_name."]]>/nick_name> 
        //   send_name>![CDATA[".$this->send_name."]]>/send_name> 
        //   re_openid>".$this->re_openid."/re_openid> 
        //   total_amount>".$this->total_amount."/total_amount> 
        //   min_value>".$this->min_value."/min_value> 
        //   max_value>".$this->max_value."/max_value> 
        //   total_num>".$this->total_num."/total_num> 
        //   wishing>![CDATA[".$this->wishing."]]>/wishing> 
        //   client_ip>![CDATA[".$this->client_ip."]]>/client_ip> 
        //   act_name>![CDATA[".$this->act_name."]]>/act_name> 
        //   remark>![CDATA[".$this->remark."]]>/remark>       
        //   nonce_str>".$this->nonce_str."/nonce_str>";
       $xml = "xml>
             act_name>![CDATA[".$this->act_name."]]>/act_name> 
             client_ip>![CDATA[".$this->client_ip."]]>/client_ip> 
             max_value>".$this->max_value."/max_value> 
              mch_billno>".$this->mch_billno."/mch_billno> 
              mch_id>".$this->mch_id."/mch_id>
              min_value>".$this->min_value."/min_value> 
              nick_name>![CDATA[".$this->nick_name."]]>/nick_name> 
              nonce_str>".$this->nonce_str."/nonce_str>
              re_openid>".$this->re_openid."/re_openid> 
              remark>![CDATA[".$this->remark."]]>/remark>
               send_name>![CDATA[".$this->send_name."]]>/send_name>
               total_amount>".$this->total_amount."/total_amount> 
               total_num>".$this->total_num."/total_num>
               wishing>![CDATA[".$this->wishing."]]>/wishing>
               wxappid>".$this->wxappid."/wxappid>
               sign>".$this->sign."/sign> 
            /xml>
               ";
    
          // nick_name>![CDATA[".$this->nick_name."]]>/nick_name> 
    
    
    
          // min_value>".$this->min_value."/min_value> 
          // max_value>".$this->max_value."/max_value> 
    
        // $xml .="/xml>";
    
        return $xml;
      }
    
      /**
       * WXHongBao::gen_mch_billno()
       * 商户订单号(每个订单号必须唯一) 
        组成: mch_id+yyyymmdd+10位一天内不能重复的数字。 
        接口根据商户订单号支持重入, 如出现超时可再调用。 
       * @return void
       */
      private function gen_mch_billno(){
        //生成一个长度10,的阿拉伯数字随机字符串
        $rnd_num = array('0','1','2','3','4','5','6','7','8','9');
        $rndstr = "";
        while(strlen($rndstr)10){
          $rndstr .= $rnd_num[array_rand($rnd_num)];  
        }
    
        $this->mch_billno = $this->mch_id.date("Ymd").$rndstr;
      }
    }
    /**
    *1.上边是红包类,需要用的时候直接引入红包类。
    *2.//实例化红包类
    *  $wxhongbao=new \WXHongBao();
    *3. //需要发放的openid 金额 openid 根据微信提供的接口获取,金额根据自己需求
    * $wxhongbao->newhb($user_openid, $pay_money*100);
    *$wxhongbao->setActName("根据自己需求设置");
    * $wxhongbao->setWishing("根据自己需求设置");
    *$wxhongbao->setRemark("根据自己需求设置");
    *参数设置之后发放红包
    *$wxhongbao->send();
    **/
    ?>

    以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

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