PHP自动发红包代码示例

<?php

header('Content-type:text');

define("TOKEN", "weixin");

$wechatObj = new wechatCallbackapiTest();

//通过get获取字符串

if (!isset($_GET['echostr'])) {

    $wechatObj->responseMsg();

}else{

    $wechatObj->valid();

}

/**

 * 

 */

class wechatCallbackapiTest

{

    /**

     * 签名消息入口

     * @return [type] [description]

     */

    public function valid()

    {

        $echoStr = $_GET["echostr"];

        if($this->checkSignature()){

            echo $echoStr;

            exit;

        }

    }

     /**

     * 响应本消息

     * @return [type] [description]

     */

    public function responseMsg()

    {

        $postStr = isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : file_get_contents("php://input");

        if (!empty($postStr)){

            $this->logger("R ".$postStr);

            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

            $RX_TYPE = trim($postObj->MsgType);

            switch ($RX_TYPE)

            {

                case "event":

                    $result = $this->receiveEvent($postObj);

                    break;

                case "text":

                    $result = $this->receiveText($postObj);

                    break;

            }

            $this->logger("T ".$result);

            echo $result;

        }else {

            echo "";

            exit;

        }

    }

    /**

     * 收到文本消息的处理

     * @param  [type] $postObj [description]

     * @return [type]          [description]

     */

    private function receiveText($postObj){

        //获取到的文本内容

        $msg = $postObj->Content;

        //获取openid

        $openid = $postObj->FromUserName;

        //$result = $this->transmitText($postObj,$openid.':'.$text);

        if($msg == '红包'){

            //调用微信支付

            $this->sendredpack($openid);

            $text = '感谢您领取红包';

        }else{

            $text = '感谢您XXXXX衣柜的关注!';

        }

        //回复消息

        $result = $this->transmitText($postObj,$text);

        return $result;

    }

    /**

     * 检验签名信息

     * @return [type] [description]

     */

    private function checkSignature()

    {

        $signature = $_GET["signature"];

        $timestamp = $_GET["timestamp"];

        $nonce = $_GET["nonce"];

        $token = TOKEN;

        $tmpArr = array($token, $timestamp, $nonce);

        sort($tmpArr);

        $tmpStr = implode($tmpArr);

        $tmpStr = sha1($tmpStr);

        if($tmpStr == $signature){

            return true;

        }else{

            return false;

        }

    }

    /**

     * 关注消息回复

     * @param  [type] $object [description]

     * @return [type]         [description]

     */

    private function receiveEvent($object)

    {

        $content = ""; 

        //判断是否送红包

        $isSend = false;

        switch ($object->Event)

        {

            case "subscribe":

                $content = "欢迎关注XXX衣柜!请输入关键词“红包”领取!";

                //设为发送红包

                $isSend = ture;

                break;

            case "unsubscribe":

                $content = "取消关注";

                break;

        }

        $result = $this->transmitText($object, $content);

        if($isSend){

            //发送红包

            $openid = $openid = $postObj->FromUserName;

            //调用微信支付

            $this->sendredpack($openid);

        }

        return $result;

    }

    /**

     * 转化为xml消息

     * @param  [type] $object  [description]

     * @param  [type] $content [description]

     * @return [type]          [description]

     */

    private function transmitText($object, $content)

    {

        $textTpl = "<xml>

                    <ToUserName><![CDATA[%s]]></ToUserName>

                    <FromUserName><![CDATA[%s]]></FromUserName>

                    <CreateTime>%s</CreateTime>

                    <MsgType><![CDATA[text]]></MsgType>

                    <Content><![CDATA[%s]]></Content>

                    </xml>";

        $result = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content);

        return $result;

    }

    /**

     * 日志记录

     * @param  [type] $log_content [description]

     * @return [type]              [description]

     */

    private function logger($log_content)

    {

        if(isset($_SERVER['HTTP_APPNAME'])){   //SAE

            sae_set_display_errors(false);

            sae_debug($log_content);

            sae_set_display_errors(true);

        }else if($_SERVER['REMOTE_ADDR'] != "127.0.0.1"){ //LOCAL

            $max_size = 10000;

            $log_filename = "log.xml";

            if(file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)){unlink($log_filename);}

            file_put_contents($log_filename, date('H:i:s')." ".$log_content."\r\n", FILE_APPEND);

        }

    }

    /**

     * 公众号curlpost消息

     * @param  [type]  $url     [description]

     * @param  [type]  $vars    [description]

     * @param  integer $second  [description]

     * @param  array   $aHeader [description]

     * @return [type]           [description]

     */

    public 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().'/apiclient_cert.pem');

        // 默认格式为PEM，可以注释

        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');

        curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/apiclient_key.pem');

        //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\n";

            curl_close($ch);

            return false;

        }

    }

//$re = sendredpack();

//var_dump($re);

/**

 * 发红包

 * @return [type] [description]

 */

public function sendredpack($openid){

    $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";

    $mch_billno = '随机字符串如（1235583002）' . date ( "YmdHis", time () ) . rand ( 1000, 9999 );      //商户订单号

    //$mch_billno = '1235583002'.uniqid(); //商户订单号

    $mch_id = '商户号';                         //微信支付分配的商户号

    $wxappid = '你的APPID';                //公众账号appid

    $send_name = "名字，尽量别超过四个字"; 

    $re_openid = $openid;

    $total_amount = 100;                             // 付款金额，单位分

    $total_num = 1;                                  //红包发放总人数

    $wishing = "恭喜发财";                           //红包祝福语

    $client_ip = "211.149.199.227 ";                    //Ip地址

    $act_name = "首次关注";                          //活动名称

    $remark = "红包";                                //备注

    $apikey = "商户apikey";    // key 商户后台设置的  微信商户平台(pay.weixin.qq.com)-->账户设置-->API安全-->密钥设置

    $nonce_str =  md5(rand());                       //随机字符串，不长于32位

    $m_arr = array (

        'mch_billno' => $mch_billno,

        'mch_id' => $mch_id,

        'wxappid' => $wxappid,

        'send_name' => $send_name,

        're_openid' => $re_openid,

        'total_amount' => $total_amount,

        'total_num' => $total_num,

        'wishing' => $wishing,

        'client_ip' => $client_ip,

        'act_name' => $act_name,

        'remark' => $remark,

        'nonce_str' => $nonce_str

    );

    array_filter ( $m_arr ); // 清空参数为空的数组元素

    ksort ( $m_arr ); // 按照参数名ASCII码从小到大排序

    $stringA = "";

    foreach ( $m_arr as $key => $row ) {

        $stringA .= "&" . $key . '=' . $row;

    }

    $stringA = substr ( $stringA, 1 );

    // 拼接API密钥：

    $stringSignTemp = $stringA."&key=" . $apikey;

    $sign = strtoupper ( md5 ( $stringSignTemp ) );         //签名

    $textTpl = '<xml>

                       <sign><![CDATA[%s]]></sign>

                        <mch_billno><![CDATA[%s]]></mch_billno>

                        <mch_id><![CDATA[%s]]></mch_id>

                        <wxappid><![CDATA[%s]]></wxappid>

                        <send_name><![CDATA[%s]]></send_name>

                        <re_openid><![CDATA[%s]]></re_openid>

                        <total_amount><![CDATA[%s]]></total_amount>

                        <total_num><![CDATA[%s]]></total_num>

                        <wishing><![CDATA[%s]]></wishing>

                        <client_ip><![CDATA[%s]]></client_ip>

                        <act_name><![CDATA[%s]]></act_name>

                        <remark><![CDATA[%s]]></remark>

                        <nonce_str><![CDATA[%s]]></nonce_str>

                        </xml>';

    $resultStr = sprintf($textTpl, $sign, $mch_billno, $mch_id, $wxappid, $send_name,$re_openid,$total_amount,$total_num,$wishing,$client_ip,$act_name,$remark,$nonce_str);

    return $this->curl_post_ssl($url,$resultStr);

    }

}

?>