微信开发之群发

获取用户token https://api.weixin.qq.com/cgi-bin/message/custom/send

地址sendall根据标签发送，地址send根据openid发送 

<?php

/*
  Author:yf
  使用说明:微信公众号无限群发接口，使用实例:
  $test = new SendAllMsg("你的appId","你的appSecret");
  $test->sendMsgToAll(); //调用群发方法
  注：1.使用条件：认证号或测试号
    2.群发消息内容可为图文、文本、音乐等,$data具体内容参照微信开发文档/客服接口
    3.若用户量过万,需修改getUserInfo()，具体参照信开发文档/获取关注者列表
*/
interface iSendAllMsg{
    function getData($url); //curl 发送get请求
    function postData($url,$data); //curl 发送post请求
    function getAccessToken();  //在构造方法中已调用该方法来获取access_token,注意它在wx服务器的保存时间7200s
    function sendMsgToAll(); //群发消息方法,发送的消息$data 可自行修改
}
class SendAllMsg implements iSendAllMsg{
    private $appId;
    private $appSecret;
    private $access_token;
    //
    public function __construct($appId, $appSecret) {
        $this->appId = $appId;
        $this->appSecret = $appSecret;
        $this->access_token = $this->getAccessToken();
    }
    //
    function getData($url){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }
    //
    function postData($url,$data){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $tmpInfo = curl_exec($ch);
        if (curl_errno($ch)) {
            return curl_error($ch);
        }
        curl_close($ch);
        return $tmpInfo;
    }
    //
    function getAccessToken(){
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appId."&secret=".$this->appSecret;
        $res = $this->getData($url);
        $jres = json_decode($res,true);
        $access_token = $jres['access_token'];
        return $access_token;
    }
    //
    private function getUserInfo(){
        $url = "https://api.weixin.qq.com/cgi-bin/user/get?access_token=".$this->access_token;
        $res = $this->getData($url);
        $jres = json_decode($res,true);
        $userInfoList = $jres['data']['openid'];
        return $userInfoList;
    }
    function sendMsgToAll(){
        $userInfoList = $this->getUserInfo();
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=".$this->access_token;

        foreach($userInfoList as $val){

//根据openid发送

            $data = '{
              "touser":"'.$val.'",
              "msgtype":"text",
              "text":
              {
                "content":"测试一下，抱歉打扰各位"
              }
            }';
//            print_r($url);die;
            $this->postData($url,$data);
        }
    }

}

$test = new SendAllMsg("appid","appsecret" );

$test->sendMsgToAll();

?>