php实现微信发红包

微信(小程序)  /  管理员 发布于 7年前   167

本文实例讲述了php实现的微信红包算法。分享给大家供大家参考。具体如下：

具体代码：

wxhb_inited = false;     $this->apiclient_cert = getcwd()."/apiclient_cert.pem";    $this->apiclient_key = getcwd()."/apiclient_key.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::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 = $this->genXMLParam();//debug    file_put_contents("hbxml.txt",$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,$this->apiclient_key);        /*     if( count($aHeader) >= 1 ){      curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);    }    */        curl_setopt($ch,CURLOPT_POST, 1);    curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);    $data = curl_exec($ch);    if($data){      curl_close($ch);        $rsxml = simplexml_load_string($data);      if($rsxml->return_code == 'SUCCESS' ){        return true;      }else{        $this->error = $rsxml->return_msg;        return false;        }          }else{       $this->error = curl_errno($ch); curl_close($ch);      return false;    }  }    /**   * 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;  }    /**   * WXHongBao::setActName()   * 活动名称    * @param mixed $act   * @return void   */  public function setActName($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 = $price;    $this->min_value = $price;    $this->max_value = $price;  }  //以下方法，为设置分裂红包时使用  public function setHBminmax($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;  }    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;//        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;        //file_put_contents("sign.raw",$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(){        $xml = "      ".$this->sign."       ".$this->mch_billno."       ".$this->mch_id."       ".$this->wxappid."       nick_name."]]>       send_name."]]>       ".$this->re_openid."       ".$this->total_amount."       ".$this->min_value."       ".$this->max_value."       ".$this->total_num."       wishing."]]>       client_ip."]]>       act_name."]]>       remark."]]> ".$this->nonce_str."      ";   if($this->share_content) $xml .= "share_content."]]>    ";    if($this->share_imgurl) $xml .= "share_imgurl."]]>    ";    if($this->share_url) $xml .= "share_url."]]>    ";    if($this->amt_type) $xml .= "amt_type."]]>    ";        $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;  }}　　　　?>然后实例化class.　　 $toOpenId = 'asdasdasd'; //接收红包的用户的微信OpenId    $hb = new WXHongBao();    $hb->newhb($toOpenId,1000); //新建一个10元的红包，第二参数单位是 分，注意取值范围 1-200元    //以下若干项可选操作，不指定则使用class脚本顶部的预设值     $hb->setNickName("土豪有限公司");     $hb->setSendName("土豪");     $hb->setWishing("恭喜发财");     $hb->setActName("发钱活动");     $hb->setRemark("任性一把");    //发送红包    if(!$hb->send()){ //发送错误      echo $hb->err();    }else{      echo "红包发送成功";    }

希望本文所述对大家的php程序设计有所帮助。

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