公眾號通過接口查詢所有粉絲的openid信息列表。

一 . 查詢用戶列表：

?? 1. 獲取access_token。

?? 2. 獲取open_id。

?? 2. 查詢用戶列表。（get方式訪問）

class UsersService extends Service {private $appid = ''; //自己appidprivate $appsecret = ''; //自己appsecretprivate $access_token; //tokenprivate $open_id;public $error;//$begin 代表從哪個用戶開始，類似于order bypublic function userList($begin = ''){if(empty($this->access_token)){$this->getToken();}$begin = empty($begin) ? '' : 'OPENID'.$begin;$url = 'https://api.weixin.qq.com/cgi-bin/user/get?access_token='.$this->access_token.'&next_openid='.$begin;$result = $this->requestUrl($url);$result = json_decode($result);$data = $result->data->openid;foreach($data as $k => $v){$info_url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$this->access_token.'&openid='.$v.'&lang=zh_CN';$data_info = $this->requestUrl($info_url);$user_info[] = json_decode($data_info);}return $user_info;}/** 獲取普通通用token*/public function getToken(){if (empty($_SESSION['accessToken'])) {$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $this->appid . '&secret=' . $this->appsecret;$result = json_decode($this->requestUrl($url), true);if (empty($result['access_token'])) {$this->error = $result['errorMsg'];return false;}$_SESSION['accessToken'] = $result['access_token'];}$this->access_token = $_SESSION['accessToken'];}/*** curl 請求*/private function requestUrl($url, $data = ''){$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); //禁止 cURL 驗證對等證書curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); // 為SSL不檢查名稱curl_setopt($ch, CURLOPT_HEADER, 0);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);// curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);if (!empty($data)) {curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_POSTFIELDS, $data);}$result = curl_exec($ch);curl_close($ch);return $result;}

二 . 控制器邊調用方法查詢：

/*** 微信獲取用戶列表* @writer dan* @date 2022-07-14*/public function actionUserList(){$begin = 0;$users = $this->users()->userList($begin);if(empty($users)){return '暫無人關注';}return $users;}

更多詳情，可以看微信官方文檔：微信開放文檔，微信開放文檔

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