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本文實例講述了PHP實現微信模擬登陸并給用戶發送消息的方法。分享給大家供大家參考，具體如下：

<?php
/*
原作者：https://github.com/itziy/wechat
修改：Server getUserFakeid函數 獲取fakeid的正則匹配公式
調用方式簡單說明：
 $arr = array(
  'account' => '公眾平臺帳號',
  'password' => '密碼'
);
$w = new Weixin($arr);
$w->getAllUserInfo();//獲取所有用戶信息
$w->getUserInfo($groupid, $fakeid);//獲取所有用戶信息，如果默認分組，則$groupid傳0
$w->sendMessage('群發內容'); //群發給所有用戶
$w->sendMessage('群發內容',$userId); //群發給特定用戶,這里的$userId就是用戶的fakeid，數組方式傳遞
*/
$w = new Weixin(array('account'=>'771948524@qq.com','password'=>'1259012345'));
$w->sendMessage('hello', 'oXLujjp9y1311QldQKht7iyq83RM');
exit;
class Weixin {
  public $userFakeid;//所有粉絲的fakeid
  private $_account;//用戶名
  private $_password;//密碼
  private $url;//請求的網址
  private $send_data;//提交的數據
  private $getHeader = 0;//是否顯示Header信息
  private $token;//公共帳號TOKEN
  private $host = 'mp.weixin.qq.com';//主機
  private $origin = 'https://mp.weixin.qq.com';
  private $referer;//引用地址
  private $cookie;
  private $pageSize = 100000;//每頁用戶數（用于讀取所有用戶）
  private $userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0';
  public function __construct($options){
    $this->_account = isset($options['account'])?$options['account']:'';
    $this->_password = isset($options['password'])?$options['password']:'';
    $this->login();
  }
  //登錄
  private function login(){
    $url = 'https://mp.weixin.qq.com/cgi-bin/login?lang=zh_CN';
    $this->send_data = array(
      'username' => $this->_account,
      'pwd' => md5($this->_password),
      'f' => 'json'
    );
    $this->referer = "https://mp.weixin.qq.com/";
    $this->getHeader = 1;
    $result = explode("n",$this->curlPost($url));
    //print_r($result);exit;
    foreach ($result as $key => $value) {
      $value = trim($value);
      if (preg_match('/token=(d+)/i', $value,$match)){
        //獲取token
        $this->token = trim($match[1]);
      }
      if (preg_match('/"ret":(.*)/i', $value,$match)){//獲取token
        switch ($match[1]) {
          case -1:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"系統錯誤")));
          case -2:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"帳號或密碼錯誤")));
          case -3:
            die(urldecode(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>urlencode("密碼錯誤")))));
          case -4:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"不存在該帳戶")));
          case -5:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"訪問受限")));
          case -6:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"需要輸入驗證碼")));
          case -7:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"此帳號已綁定私人微信號，不可用于公眾平臺登錄")));
          case -8:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"郵箱已存在")));
          case -32:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"驗證碼輸入錯誤")));
          case -200:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"因頻繁提交虛假資料，該帳號被拒絕登錄")));
          case -94:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"請使用郵箱登陸")));
          case 10:
            die(json_encode(array('status'=>1,'errCode'=>$match[1],'msg'=>"該公眾會議號已經過期，無法再登錄使用")));
          case 0:
            //$this->userFakeid = $this->getUserFakeid();
            break;
        }
      }
      if(preg_match('/^set-cookie:[s]+([^=]+)=([^;]+)/i', $value,$match)){//獲取cookie
        $this->cookie .=$match[1].'='.$match[2].'; ';
      }
    }
  }
  //單發消息
  private function send($fakeid,$content){
    $url = 'https://mp.weixin.qq.com/cgi-bin/singlesend?t=ajax-response&lang=zh_CN';
    $this->send_data = array(
        'type' => 1,
        'f' => 'json',
        'action' => 'sync',
        'content' => $content,
        'tofakeid' => $fakeid,
        'token' => $this->token,
        'ajax' => 1,
      );
    $this->referer = 'https://mp.weixin.qq.com/cgi-bin/singlemsgpage?token='.$this->token.'&fromfakeid='.$fakeid.'&msgid=&source=&count=20&t=wxm-singlechat&lang=zh_CN';
    return $this->curlPost($url);
  }
  //單發消息
  private function sendimg($fakeid,$mediaid){
    $url = 'https://mp.weixin.qq.com/cgi-bin/singlesend?t=ajax-response&lang=zh_CN';
    $this->send_data = array(
        'type' => 2,
        'f' => 'json',
        'action' => 'sync',
        'tofakeid' => $fakeid,
        'token' => $this->token,
        'ajax' => 1,
        'file_id'=>$mediaid,
        'fileid'=>$mediaid,
      );
    $this->referer = 'https://mp.weixin.qq.com/cgi-bin/singlemsgpage?token='.$this->token.'&fromfakeid='.$fakeid.'&msgid=&source=&count=20&t=wxm-singlechat&lang=zh_CN';
    return $this->curlPost($url);
  }
  //群發消息
  public function sendMessage($content='',$userId='') {
    if(!empty($userId)){
      $json = json_decode($this->sendimg($userId,'304019426'));
      /*if($json->ret!=0){
        $errUser[] = $v;
      }*/
      /*foreach($userId as $v){
        $json = json_decode($this->send($v,$content));
        if($json->ret!=0){
          $errUser[] = $v;
        }
      }*/
    }else{
      foreach($this->userFakeid as $v){
        $json = json_decode($this->send($v['fakeid'],$content));
        if($json->ret!=0){
          $errUser[] = $v['fakeid'];
        }
      }
    }
    //共發送用戶數
    //$count = count($this->userFakeid);
    //發送失敗用戶數
    //$errCount = count($errUser);
    //發送成功用戶數
    //$succeCount = $count-$errCount;
    /*$data = array(
      'status'=>0,
      'count'=>$count,
      'succeCount'=>$succeCount,
      'errCount'=>$errCount,
      'errUser'=>$errUser
    );
    return json_encode($data);*/
  }
  //獲取所有用戶信息
  public function getAllUserInfo(){
    foreach($this->userFakeid as $v){
      $info[] = $this->getUserInfo($v['groupid'],$v['fakeid']);
    }
    return $info;
  }
  //獲取用戶信息
  public function getUserInfo($groupId,$fakeId){
    $url = "https://mp.weixin.qq.com/cgi-bin/getcontactinfo?t=ajax-getcontactinfo&lang=zh_CN&fakeid={$fakeId}";
    $this->getHeader = 0;
    $this->referer = 'https://mp.weixin.qq.com/cgi-bin/contactmanagepage?token='.$this->token.'&t=wxm-friend&lang=zh_CN&pagesize='.$this->pageSize.'&pageidx=0&type=0&groupid='.$groupId;
    $this->send_data = array(
      'token'=>$this->token,
      'ajax'=>1
    );
    $message_opt = $this->curlPost($url);
    return $message_opt;
  }
  //獲取所有用戶fakeid
  private function getUserFakeid(){
    ini_set('max_execution_time',600);
    $pageSize = 100;
    $this->referer = "https://mp.weixin.qq.com/cgi-bin/home?t=home/index&lang=zh_CN&token={$this->token}";
    $url = "https://mp.weixin.qq.com/cgi-bin/contactmanage?t=user/index&pagesize={$pageSize}&pageidx=0&type=0&groupid=0&token={$this->token}&lang=zh_CN";
    $user = $this->vget($url);
    //print_r($user);exit;
    //$preg = "/"id":(d+),"nick_name"/";
    //preg_match_all($preg,$user,$b);
    $user = str_replace(array(" ","　","t","n","r"), '', $user);
    preg_match_all('%id:"(.*?)",%si', $user, $b);
    $i = 0;
    foreach($b[1] as $v){
      $arr[$i]['fakeid'] = $v;
      $arr[$i]['groupid'] = 0;
      $i++;
    }
    return $arr;
  }
  /**
   * curl模擬登錄的post方法
   * @param $url request地址
   * @param $header 模擬headre頭信息
   * @return json
   */
  private function curlPost($url) {
    $header = array(
      'Accept:*/*',
      'Accept-Charset:GBK,utf-8;q=0.7,*;q=0.3',
      'Accept-Encoding:gzip,deflate,sdch',
      'Accept-Language:zh-CN,zh;q=0.8',
      'Connection:keep-alive',
      'Host:'.$this->host,
      'Origin:'.$this->origin,
      'Referer:'.$this->referer,
      'X-Requested-With:XMLHttpRequest'
    );
    $curl = curl_init(); //啟動一個curl會話
    curl_setopt($curl, CURLOPT_URL, $url); //要訪問的地址
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header); //設置HTTP頭字段的數組
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); //對認證證書來源的檢查
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); //從證書中檢查SSL加密算法是否存在
    curl_setopt($curl, CURLOPT_USERAGENT, $this->userAgent); //模擬用戶使用的瀏覽器
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); //使用自動跳轉
    curl_setopt($curl, CURLOPT_AUTOREFERER, 1); //自動設置Referer
    curl_setopt($curl, CURLOPT_POST, 1); //發送一個常規的Post請求
    curl_setopt($curl, CURLOPT_POSTFIELDS, $this->send_data); //Post提交的數據包
    curl_setopt($curl, CURLOPT_COOKIE, $this->cookie); //讀取儲存的Cookie信息
    curl_setopt($curl, CURLOPT_TIMEOUT, 30); //設置超時限制防止死循環
    curl_setopt($curl, CURLOPT_HEADER, $this->getHeader); //顯示返回的Header區域內容
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); //獲取的信息以文件流的形式返回
    $result = curl_exec($curl); //執行一個curl會話
    curl_close($curl); //關閉curl
    return $result;
  }
  private function vget($url){ // 模擬獲取內容函數
    $header = array(
        'Accept: */*',
        'Connection: keep-alive',
        'Host: mp.weixin.qq.com',
        'Referer: '.$this->referer,
        'X-Requested-With: XMLHttpRequest'
    );
    $useragent = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0';
    $curl = curl_init(); // 啟動一個CURL會話
    curl_setopt($curl, CURLOPT_URL, $url); // 要訪問的地址
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header); //設置HTTP頭字段的數組
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 對認證證書來源的檢查
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); // 從證書中檢查SSL加密算法是否存在
    curl_setopt($curl, CURLOPT_USERAGENT, $useragent); // 模擬用戶使用的瀏覽器
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自動跳轉
    curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自動設置Referer
    curl_setopt($curl, CURLOPT_HTTPGET, 1); // 發送一個常規的GET請求
    curl_setopt($curl, CURLOPT_COOKIE, $this->cookie); // 讀取上面所儲存的Cookie信息
    curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 設置超時限制防止死循環
    curl_setopt($curl, CURLOPT_HEADER, $this->getHeader); // 顯示返回的Header區域內容
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 獲取的信息以文件流的形式返回
    $tmpInfo = curl_exec($curl); // 執行操作
    if (curl_errno($curl)) {
      // echo 'Errno'.curl_error($curl);
    }
    curl_close($curl); // 關閉CURL會話
    return $tmpInfo; // 返回數據
  }
}

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