PHP微信公众号自动发送红包API

本文实例为大家分享了PHP微信公众号自动发送红包API代码，分享给大家供大家参考。具体如下：

贴出核心接口代码至于数据自己填写，接口测试ＯＫ
wechat_packet.php

<!--?php
/**
 * 发送红包接口
 * Created by PhpStorm.
 * User: ADKi
 * Date: 2016/4/25 0025
 * Time: 15:25
 */

class wechat_packet{
 private $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";//请求URL
 private $mch_id;//商户号
 private $weixin_appid;//公众账号appid
 private $send_name;//商户名称
 private $total_num = 1;//发送红包总人数
 private $wishing;//红包祝福语
 private $client_ip;//调用接口的机器Ip地址
 private $act_name;//活动名称
 private $remark;//备注信息
 private $nonce_str;//随机字符串，不长于32位
 private $api_password;
 private $arraytoxml;//数组转xml
 /**
  * 公钥
  */
 private $public_key = "/api/wechat/cert/apiclient_cert.pem";
 /**
  * 私钥
  */
 private $private_key = "/api/wechat/cert/apiclient_key.pem";
 /**
  * ca证书
  */
 private $rootca = "api/wechat/cert/rootca.pem";
 public function __construct()
 {
  //初始化红包设置信息
  $this--->weixin_appid = C("wap_weixin_appid");
  $this->mch_id = C("wechat_mch_id");
  $this->send_name = C("wechat_send_name");
  $this->wishing = C("wechat_wishing");
  $this->act_name = C("wechat_act_name");
  $this->client_ip = $_SERVER["SERVER_ADDR"];
  $this->remark = C("wechat_remark");
  $this->nonce_str = $this->create_nonce_str(32);
  $this->api_password = C("wechat_api_password");
  $inc_file = BASE_PATH.DS."api".DS."wechat".DS."arraytoxml.php";
  if(is_file($inc_file)) {
   require($inc_file);
  }
  $this->arraytoxml = new ArrayToXML();
 }
 
 public function send_post($mch_billno,$re_openid,$total_amount){
  $sign = $this->create_sign($mch_billno,$re_openid,$total_amount);
  $send_array = array(
   "nonce_str" => $this->nonce_str,
   "mch_billno" => $mch_billno,
   "mch_id" => $this->mch_id,
   "wxappid" => $this->weixin_appid,
   "send_name" => $this->send_name,
   "re_openid" => $re_openid,
   "total_amount" => $total_amount,
   "total_num" => $this->total_num,
   "wishing" => $this->wishing,
   "client_ip" => $this->client_ip,
   "act_name" => $this->act_name,
   "remark" => $this->remark,
   "sign" => $sign,
  );
  $send_xml = $this->arraytoxml->toXml($send_array,"");
  $data = $this->curl_post_ssl($this->url, $send_xml);
  $data = $this->xmlToArray($data);
  file_put_contents("adki",var_export($data,true),FILE_APPEND);
 }
 /*
 请确保您的libcurl版本是否支持双向认证，版本高于7.20.1
 */
 private function curl_post_ssl($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($ch,CURLOPT_PROXY, "10.206.30.98");
  //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
  curl_setopt($ch,CURLOPT_URL,$url);
  curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
  curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
  //以下两种方式需选择一种
  //第一种方法，cert 与 key 分别属于两个.pem文件
  //默认格式为PEM，可以注释
  curl_setopt($ch,CURLOPT_SSLCERTTYPE,"PEM");
  curl_setopt($ch,CURLOPT_SSLCERT,getcwd().$this->public_key);
  //默认格式为PEM，可以注释
  curl_setopt($ch,CURLOPT_SSLKEYTYPE,"PEM");
  curl_setopt($ch,CURLOPT_SSLKEY,getcwd().$this->private_key);
  //ca证书
  curl_setopt($ch,CURLOPT_CAINFO,$this->rootca);
  //第二种方式，两个文件合成一个.pem文件
  //curl_setopt($ch,CURLOPT_SSLCERT,getcwd()."/all.pem");
  if( count($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:$error



";
   curl_close($ch);
   return false;
  }
 }
 //生成签名
 private function create_sign($mch_billno,$re_openid,$total_amount){
  $string_array = array(
   "act_name" => $this->act_name,
   "client_ip" => $this->client_ip,
   "mch_billno" => $mch_billno,
   "mch_id" => $this->mch_id,
   "nonce_str" => $this->nonce_str,
   "re_openid" => $re_openid,
   "remark" => $this->remark,
   "send_name" => $this->send_name,
   "total_amount" => $total_amount,
   "total_num" => $this->total_num,
   "wishing" => $this->wishing,
   "wxappid" => $this->weixin_appid,
  );
  foreach ($string_array as $key => $value){

   if(!empty($value)){

    $stringA .= "$key=$value";
    if($key != "wxappid"){

     $stringA .= "&";
    }
   }
  }
  //转成UTF-8
  $stringA = $this->gbkToUtf8($stringA);
  $stringSignTemp="$stringA&key=$this->api_password";
  $sign = MD5($stringSignTemp);

  $sign = strtoupper($sign);
  return $sign;
 }
 //生成随机字符串
 private function create_nonce_str($length){
  $str = null;
  $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
  $max = strlen($strPol)-1;
  for($i=0;$i<$length;$i++){
   $str.=$strPol[rand(0,$max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数
  }

  return $str;
 }
 /**
  *自动判断把gbk或gb2312编码的字符串转为utf8
  *能自动判断输入字符串的编码类，如果本身是utf-8就不用转换，否则就转换为utf-8的字符串
  *支持的字符编码类型是：utf-8,gbk,gb2312
  *@$str:string 字符串
  */
 private function gbkToUtf8($str){
  $charset = mb_detect_encoding($str,array("ASCII","UTF-8","GBK","GB2312"));
  $charset = strtolower($charset);
  if("utf-8" != $charset){
   $str = iconv("UTF-8",$charset,$str);
  }
  return $str;

 }
 private function xmlToArray($postStr){
  $msg = array();
  $msg = (array)simplexml_load_string($postStr, "SimpleXMLElement", LIBXML_NOCDATA);
  return $msg;
 }
}

数组转xml:arraytoxml.php

<!--?php
/**
 * Created by PhpStorm.
 * User: ADKi
 * Date: 2016/4/26 0026
 * Time: 12:19
 */
class ArrayToXML
{
 public function toXml($data){
  $xml = "<xml-->";
  foreach ($data as $key => $value){
   if (is_numeric($value)){
    $xml .= "<".$key.">".$value."<!--".$key."-->";
   }else{
    $xml .= "<".$key."><!--[CDATA[".$value."]]--><!--".$key."-->";
   }
  }
  $xml .= "";
  return $xml;
 }

}

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