/*
**微信紅包功能
*/
public function sendredpack(){
 $re_openid = $this->_pg('re_openid');
  $inputObj = new sendredpack_pub();
if(!$re_openid){
  return "微信紅包功能,收紅包用戶不能為空";
}
  $inputObj->setParameter('re_openid',$re_openid); //收紅包的用戶的openid
  $inputObj->setParameter('send_name',"汽配一號(hào)鋪"); //紅包發(fā)送者名稱
  $inputObj->setParameter('total_amount',"100"); //收紅包的用戶的金額，精確到分
  $inputObj->setParameter('total_num',"1"); //收紅包的個(gè)數(shù)
  $inputObj->setParameter('wishing',"恭喜發(fā)財(cái)，謝謝支持，小小心意"); //收紅包的用戶的openid
  $inputObj->setParameter('client_ip',"121.40.157.243"); //調(diào)用接口的IP
  $inputObj->setParameter('act_name',"小鄧感恩紅包"); //紅包主題
  $inputObj->setParameter('remark',"謝謝大家一路一來的支持"); //備注
  $response = $inputObj->getResult();
  return $response;
}

/**
* 微信發(fā)紅包接口
**/
class sendredpack_pub extends Wxpay_client_pub
{
   function __construct() {
  //設(shè)置接口鏈接
   $this->url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
  //設(shè)置curl超時(shí)時(shí)間
  $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT;
}
/**
* 生成接口參數(shù)xml
*/
function createXml()
{
  try
 {
  $this->parameters["mch_billno"] = WxPayConf_pub::MCHID.createUnique();//商戶訂單號(hào)
  $this->parameters["wxappid"] = WxPayConf_pub::APPID;//公眾賬號(hào)ID
  $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商戶號(hào)
  $this->parameters["nonce_str"] = $this->createNoncestr();//隨機(jī)字符串
  $this->parameters["sign"] = $this->getSign($this->parameters);//簽名
  return $this->arrayToXml($this->parameters);
 }catch (SDKRuntimeException $e) {
   die($e->errorMessage());
 }
}
/**
* 作用：獲取結(jié)果，使用證書通信
*/
function getResult()
{
  $this->postXmlSSL();
  $this->result = $this->xmlToArray($this->response);
  return $this->result;
}
}