$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".AppID."&secret=".AppSecret;$result = http_request($url);//生成文件，保存token$dir = __DIR__; //真实路径，crontab命令的php执行在cli模式下，不能正确识别相对路径，所以使用__DIR__$filename = $dir."/access_token.php";create_file($filename, $result);function http_request($url,$data = null){  $curl = curl_init();  curl_setopt($curl, CURLOPT_URL, $url);  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);  if (!empty($data)){    curl_setopt($curl, CURLOPT_POST, 1);    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);  }  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);  $output = curl_exec($curl);  curl_close($curl);  return $output;}//生成文件function create_file($filename, $content){  $fp = fopen($filename, "w");  fwrite($fp, "" . $content);  fclose($fp);}