public function yzm($Url)
 {
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $Url[1]);
     curl_setopt($ch, CURLOPT_REFERER, $Url[2]);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_HEADER, 1);
     /*   设置代理    start  */
     $IP = array("202.106.16.36:3128");
     $k = array_rand($IP, 1);
     // 获取随机 IP 的下标值
     curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
     //代理认证模式
     curl_setopt($ch, CURLOPT_PROXY, $IP[$k]);
     //代理服务器地址
     //curl_setopt($ch, CURLOPT_PROXYPORT, 80); //代理服务器端口
     //curl_setopt($ch, CURLOPT_PROXYUSERPWD, ":"); //http代理认证帐号,username:password的格式
     curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
     //使用http代理模式
     /*   设置代理    end  */
     /*
      生成临时文件来保存cookie
      $ckFile = tempnam('temp','cookie');
      curl_setopt($ch, CURLOPT_COOKIEJAR, $ckFile);
     */
     $output = curl_exec($ch);
     curl_close($ch);
     //获取cookieStr
     $cookieStr == "";
     preg_match('/Set-Cookie:(.*);/iU', $output, $matches);
     $cookieStr = $matches[1];
     if ($cookieStr == "") {
         return -1;
     }
     //获取图片内容
     $pos = strrpos($output, "JFIF");
     $picContent = substr($output, $pos - 6);
     //保存图片
     $picName = md5(time());
     $verPic = "./Public/temp/" . "{$picName}" . ".jpg";
     $file = new \Think\Storage\Driver\File();
     $file->put($verPic, $picContent, "jpg");
     // 		$fp = fopen($verPic, 'w');
     // 		fwrite($fp, $picContent, strlen($picContent));
     // 		fclose($fp);
     // 验证码识别
     $valid = new ValiteController();
     $valid->setImage($verPic);
     $validCode = $valid->getResult();
     // 验证码值
     //设置 session
     session('cookie', $cookieStr);
     session('vercode', $validCode);
     // "1234" $validCode
     $file->unlink($verPic, "jpg");
     //unlink($verPic);// 删除图片
 }
 public function del()
 {
     if (!IS_AJAX) {
         $this->error(L('_ERROR_ACTION_'));
     }
     if (IS_POST) {
         $files_info = get_dir_file_info(C('BACKUP_PATH'));
         $files_md5 = explode(',', I('post.ids'));
         foreach ($files_info as $item) {
             if (pathinfo($item['name'], PATHINFO_EXTENSION) == 'sql') {
                 if (in_array(md5($item['name']), $files_md5)) {
                     $delres = \Think\Storage\Driver\File::unlink($item['relative_path'] . $item['name']);
                     if ($delres === FALSE) {
                         $this->error(L('DEL_ERROR'));
                         exit;
                     }
                 }
             }
         }
         $this->success(L('DEL_OK'), U('Database/recover', $this->vl));
     } else {
         $filename = base64_decode(I('get.file'));
         $file = C('BACKUP_PATH') . $filename;
         $delres = \Think\Storage\Driver\File::unlink($file);
         if ($delres) {
             $this->success(L('DEL_OK'), U('Database/recover', $this->vl));
         } else {
             $this->error(L('DEL_ERROR'));
         }
     }
 }