PHP Http::curlDownload方法代码示例

 public function callbackLogin($request_args)
 {
     try {
         $user = $this->_om->getUserInfo($request_args);
     } catch (Exception $e) {
         header("Content-Type: text/html; charset=utf-8");
         exit("<script>alert('第三方登录权限有问题');window.location.href='" . u('user/login') . "';</script>");
     }
     $bind_user = $this->_checkBind($this->_type, $user['keyid']);
     if ($bind_user) {
         $this->_updateBindInfo($user);
         $user_info = D('user')->field('id,username')->where(array('id' => $bind_user['uid']))->find();
         $this->_oauth_visitor()->assign_info($user_info);
         return U('user/index');
     } else {
         if (D('user')->where(array('username' => $user['keyname']))->count()) {
             $user['pin_user_name'] = $user['keyname'] . '_' . mt_rand(99, 9999);
         } else {
             $user['pin_user_name'] = $user['keyname'];
         }
         $user['pin_user_name'] = urlencode($user['pin_user_name']);
         $user['keyname'] = urlencode($user['keyname']);
         if ($user['keyavatar_big']) {
             $user['temp_avatar'] = '';
             $avatar_temp_root = C('pin_attach_path') . 'avatar/temp/';
             $temp_dir = date('ymd', time()) . '/';
             $file_name = date('ymdhis' . mt_rand(1000, 9999)) . '.jpg';
             mkdir($avatar_temp_root . $temp_dir);
             $image_content = Http::curlDownload($user['keyavatar_big'], $avatar_temp_root . $temp_dir . $file_name);
             $user['temp_avatar'] = $temp_dir . $file_name;
         }
         $user['type'] = $this->_type;
         cookie('user_bind_info', $user);
         return U('user/binding');
     }
 }

 public function get_wxinfo()
 {
     import("@.ORG.Wxhelper");
     $helper = new Wxhelper($this->pubwechat);
     $db = M('wechat_user');
     $uid = I('get.id');
     //查询用户信息
     $info = $db->find($uid);
     //获取用户微信资料
     $return = $helper->get_user_info($info['wechatid']);
     if ($return['errcode']) {
         echo "获取失败,错误信息：{errcode:{$return['errcode']},errmsg:{$return['errmsg']}}";
         die;
     } elseif (!empty($return['headimgurl'])) {
         //下载微信头像
         import("@.ORG.Http");
         import('@.ORG.Image.ThinkImage');
         $headimg = "./Data/upload/headimg/" . $uid . '.jpg';
         if (!is_file($headimg) || filesize($headimg) == 0) {
             //下载图片
             Http::curlDownload($return['headimgurl'], $headimg);
             $return['headimgurl'] = $headimg;
         }
         //保存用户最新微信资料
         $wxdata = array('subscribe' => $return['subscribe'], 'nickname' => $return['nickname'], 'sex' => $return['sex'], 'city' => $return['city'], 'province' => $return['province'], 'headimgurl' => $headimg, 'subscribe_time' => $return['subscribe_time']);
         $db->where(array('id' => $uid))->save($wxdata);
         $href = U('index', array('p' => I('get.p', 1), 'group_id' => I('get.group_id')));
         echo "获取微信资料成功，请<a href='{$href}'>刷新</a>页面查看！";
     } else {
         echo "获取微信资料成功！";
     }
 }

 public function weixin_download()
 {
     import("ORG.Net.Http");
     // 这里下载的文件会在微信服务器上保存三天，也许微信在瞎扯淡
     // 暂时使用post，改用jsonp
     $callback = $_GET['callback'];
     $wx_medias = $_GET['media_ids'];
     $wx_medias_arr = explode(',', $wx_medias);
     // echo $wx_medias;
     // 微信api接口调用令牌，有效期为7200秒，过了这个时间就必须重新获得。
     $access_token = 'QFJNCU4fE-KiSyJse3gXQ8Qzj0KW5qVhCieAOePKeuZN2gO16L-Gp2oaGwG5m6MnXEIoLfl70gd9Q-oG2XEnMSTwtSlfh5XHvZS59fmae9w';
     $wxdown_dir = './wx_media/';
     // 微信文件保存目录
     // 循环下载文件
     $return_files = array();
     foreach ($wx_medias_arr as $wx_media_id) {
         // 微信服务器上面的下载地址
         $wxdown_url = 'http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=' . $access_token . '&media_id=' . $wx_media_id;
         // 本地文件名，包含后缀
         $local_name = $wx_media_id . '.jpg';
         // 本地路径，使用的相对路径
         $local_path = $wxdown_dir . $local_name;
         // 如果文件存在就不下载
         if (file_exists($local_path)) {
             continue;
         } else {
             // 下载文件
             Http::curlDownload($wxdown_url, $local_path);
             // 组成新的网址，准备返回给客户端
             $return_url = $_SERVER['SERVER_NAME'] . $local_path;
             $return_url = str_replace('./', '/', $return_url);
             $return_files[] = $return_url;
         }
     }
     // $wxdown_url = 'http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=QFJNCU4fE-KiSyJse3gXQ8Qzj0KW5qVhCieAOePKeuZN2gO16L-Gp2oaGwG5m6MnXEIoLfl70gd9Q-oG2XEnMSTwtSlfh5XHvZS59fmae9w&media_id=RYR7gU27yIhEiUO8m1CD9S0lbZrOAFgGb6y3xnx_rJg5lt0a2h312ay16T4_T-EX';
     // $wxdown_dir = './wx_media/'; // 微信文件保存目录
     // echo __DIR__;
     // Http::curlDownload($wxdown_url, $wxdown_dir . "xg.jpg");
     // 记录
     file_put_contents('abc.txt', $wx_medias);
     // 组成了jsonp
     $return_json = $callback . '(' . json_encode($return_files) . ')';
     echo $return_json;
 }