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)){      $this->error = "金额参数错误";      return;    }elseif($amount<100){      $this->error = "金额太小";      return;    }elseif($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=206257621&idx=1&sn=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();**/?>