/*** 红包支付接口* @author gaoyl101*/
class Groupredpack_pub extends Wxpay_client_pub
{var $code;//code码，用以获取openidvar $openid;//用户的openidfunction __construct(){//设置接口链接$this->url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack";//设置curl超时时间$this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT;}/*** 生成接口参数xml*/function createXml(){try{//检测必填参数if($this->parameters["mch_billno"] == null){throw new SDKRuntimeException("缺少发红包接口必填参数mch_billno！"."<br>");}elseif ($this->parameters["send_name"] == null ) {throw new SDKRuntimeException("缺少发红包接口必填参数send_name！"."<br>");}elseif ($this->parameters["total_amount"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数total_amount！"."<br>");}elseif ($this->parameters["total_num"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数total_num！"."<br>");}elseif ($this->parameters["amt_type"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数amt_type！"."<br>");}elseif ($this->parameters["wishing"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数wishing！"."<br>");}elseif ($this->parameters["act_name"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数act_name！"."<br>");}elseif ($this->parameters["remark"] == null) {throw new SDKRuntimeException("缺少发红包接口必填参数remark！"."<br>");}$this->parameters["wxappid"] = WxPayConf_pub::APPID;//公众账号ID$this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号$this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串$this->parameters["re_openid"] = $this->openid;//用户openid$this->parameters["sign"] = $this->getSign($this->parameters);//签名return  $this->arrayToXml($this->parameters);}catch (SDKRuntimeException $e){die($e->errorMessage());}}function sendRedpack(){$this->postXmlSSL();$this->result = $this->xmlToArray($this->response);return $this->result;}/***     作用：生成可以获得code的url*/function createOauthUrlForCode($redirectUrl){$urlObj["appid"] = WxPayConf_pub::APPID;$urlObj["redirect_uri"] = "$redirectUrl";$urlObj["response_type"] = "code";$urlObj["scope"] = "snsapi_base";$urlObj["state"] = "STATE"."#wechat_redirect";$bizString = $this->formatBizQueryParaMap($urlObj, false);return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString;}/***     作用：生成可以获得openid的url*/function createOauthUrlForOpenid(){$urlObj["appid"] = WxPayConf_pub::APPID;$urlObj["secret"] = WxPayConf_pub::APPSECRET;$urlObj["code"] = $this->code;$urlObj["grant_type"] = "authorization_code";$bizString = $this->formatBizQueryParaMap($urlObj, false);return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;}/***     作用：通过curl向微信提交code，以获取openid*/function getOpenid(){$url = $this->createOauthUrlForOpenid();//初始化curl$ch = curl_init();//设置超时curl_setopt($ch, CURLOP_TIMEOUT, $this->curl_timeout);curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);curl_setopt($ch, CURLOPT_HEADER, FALSE);curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//运行curl，结果以jason形式返回$res = curl_exec($ch);curl_close($ch);//取出openid$data = json_decode($res,true);$this->openid = $data['openid'];return $this->openid;}/***     作用：设置code*/function setCode($code_){$this->code = $code_;}
}

/*** 初始化*/public function _initialize(){//引入WxPayPubHelpervendor('WxPayPubHelper.WxPayPubHelper');}

/*** 发送红包*/public function sendRedpack(){//调用请求接口基类$Redpack = new \Groupredpack_pub();//=========步骤1：网页授权获取用户openid============//通过code获得openidif (!isset($_GET['code'])){//触发微信返回code码$reduct_uri = WEB_HOST."/index.php/Home/WxGroupRedPack/sendRedpack";$url = $Redpack->createOauthUrlForCode($reduct_uri);Header("Location: $url");}else{//获取code码，以获取openid$code = $_GET['code'];$Redpack->setCode($code);$openid = $Redpack->getOpenId();}//商户订单号$Redpack->setParameter('mch_billno', C('WxPayConf_pub.APPID')."static");//商户名称$Redpack->setParameter('send_name', "gaoyl101");//用户openid
//         $Redpack->setParameter('re_openid', $parameterValue);//付款金额$Redpack->setParameter('total_amount', 100);//红包发放总人数$Redpack->setParameter('total_num', 3);$Redpack->setParameter('amt_type','ALL_RAND');//红包祝福语$Redpack->setParameter('wishing', "现金红包教程祝大家写代码快乐");//活动名称$Redpack->setParameter('act_name', "现金红包教程");//备注$Redpack->setParameter('remark', "现金红包教程祝大家写代码快乐");//以下是非必填项目//子商户号
//         $Redpack->setParameter('sub_mch_id', $parameterValue);
//        //商户logo的url
//         $Redpack->setParameter('amt_list', '200|100|100');$result = $Redpack->sendRedpack();dump($result);}