PHP Http::download方法代码示例

 public function file_download()
 {
     $uploadpath = './Uploads/file/';
     //设置文件上传路径，服务器上的绝对路径
     $id = $_GET['id'];
     //GET方式传到此方法中的参数id,即文件在数据库里的保存id.根据之查找文件信息。
     if ($id == '') {
         //如果id为空而出错时，程序跳转到项目的Index/index页面。或可做其他处理。
         $this->display('没有找到该文件', U('Index/Index/index'));
     }
     $file = M('file');
     //利用与表file对应的数据模型类FileModel来建立数据对象。
     $result = $file->find($id);
     //根据id查询到文件信息
     if ($result == false) {
         //如果查询不到文件信息而出错时，程序跳转到项目的Index/index页面。或可做其他处理
         $this->display('没有找到该文件', U('Index/Index/index'));
     }
     $savename = $file->file_savename;
     //文件保存名
     $showname = $file->file_truename;
     //文件原名
     $filename = $uploadpath . $savename;
     //完整文件名（路径加名字）
     //print_r($filename);die;
     import('ORG.Net.Http');
     Http::download($filename, $showname);
 }

 function saveTickets($sql, $filename, $how = 'csv')
 {
     ob_start();
     self::dumpTickets($sql, $how);
     $stuff = ob_get_contents();
     ob_end_clean();
     if ($stuff) {
         Http::download($filename, "text/{$how}", $stuff);
     }
     return false;
 }

 public function download()
 {
     import('ORG.Net.Http');
     header("Content-Type:text/html;charset=UTF-8");
     $title = I('get.title');
     $file_dir = './Public/upload/';
     $Resource = D('Resource');
     $map['id'] = I('get.id');
     $list = $Resource->where($map)->order('id desc')->find();
     $name = $list['content'];
     $filename = $file_dir . $name;
     $download = new Http();
     $download->download($filename, $showtitle);
 }

 public function download()
 {
     import("@.ORG.Http");
     $id = $_GET['id'];
     $dao = M("Attach");
     $attach = $dao->where("id=" . $id)->find();
     $filename = $attach["savepath"] . $attach["savename"];
     if (is_file($filename)) {
         if (!isset($_SESSION['attach_down_count_' . $id])) {
             $dao->setInc('downCount', "id=" . $id);
             $_SESSION['attach_down_count_' . $id] = true;
         }
         Http::download($filename, $attach->name);
     }
 }

 protected function get_file($field, $error_empty = '', $error_unreachable = '')
 {
     if (empty($field)) {
         throw new Error_Api($error_empty, Error_Api::MISSING_INPUT);
     }
     if (strlen($field) < self::MAX_URL_LENGTH && parse_url($field)) {
         $data = Http::download($field);
         $error = $error_unreachable;
     } else {
         $data = base64_decode($field);
         $error = 'Некорректный формат передачи бинарных данных. Они были закодированы в base64?';
     }
     if (empty($data)) {
         throw new Error_Api($error, Error_Api::INCORRECT_INPUT);
     }
     return $data;
 }

 function index()
 {
     $aid = intval($_REQUEST['id']);
     $uid = intval($_REQUEST['uid']);
     $attach = D('Attach')->where("id='{$aid}' AND userId='{$uid}'")->find();
     if (!$attach) {
         $this->error('附件不存在或已被删除！');
     }
     //下载函数
     import("ORG.Net.Http");
     //调用下载类
     if (file_exists(UPLOAD_PATH . $attach['savepath'] . $attach['savename'])) {
         $filename = iconv("utf-8", 'gb2312', $attach['savename']);
         Http::download(UPLOAD_PATH . $attach['savepath'] . $attach['savename'], $filename);
     } else {
         $this->error('附件不存在或已被删除！');
     }
 }

 public function download()
 {
     $aid = intval($_REQUEST['id']);
     $uid = intval($_REQUEST['uid']);
     $attach = model('Xattach')->where("id='{$aid}' AND uid='{$uid}'")->find();
     //$attach	=	model('Xattach')->where("id='$aid'")->find();
     if (!$attach) {
         $this->error('附件不存在或已被删除！');
     }
     //下载函数
     //import("ORG.Net.Http");             //调用下载类
     require_cache('./addons/libs/Think/Http.class.php');
     if (file_exists(UPLOAD_PATH . '/' . $attach['savepath'] . $attach['savename'])) {
         //增加下载次数
         model('Xattach')->setInc('totaldowns', "id='{$aid}'");
         //输出文件
         $filename = $attach['name'];
         $filename = auto_charset($filename, "UTF-8", 'GBK');
         //$filename	=	'attach_'.$attach['id'].'.'.$attach['extension'];
         Http::download(UPLOAD_PATH . '/' . $attach['savepath'] . $attach['savename'], $filename);
     } else {
         $this->error('附件不存在或已被删除！');
     }
 }

 /**
  * 下载附件
  * 
  * @param int $aid 附件ID 为空时使用$_REQUEST['id']作为附件ID
  */
 public function download($aid)
 {
     if (intval($aid) == 0) {
         $aid = intval($_REQUEST['id']);
     }
     $attach = M('Attach')->where("id='{$aid}'")->find();
     if (!$attach) {
         $this->error('附件不存在或已被删除！');
     }
     //下载函数
     require_cache('./addons/libs/Think/Http.class.php');
     if (file_exists(UPLOAD_PATH . $attach['savepath'] . $attach['savename'])) {
         $filename = iconv("utf-8", 'gb2312', $attach['savename']);
         Http::download(UPLOAD_PATH . $attach['savepath'] . $attach['savename'], $filename);
     } else {
         $this->error('附件不存在或已被删除！');
     }
 }

 public function log_export()
 {
     if (!IS_POST) {
         $this->message2('', '失败', 0);
     }
     $log_model = new Model('kongbao_order');
     $userid = session('userid');
     $where['user_id'] = $userid;
     $where['order_status'] = 1;
     $keyword = I('keyword', NULL);
     $ftype = I('ftype', NULL);
     if (!empty($keyword) && !empty($ftype)) {
         $where[$ftype] = array('like', '%' . $keyword . '%');
     }
     $type_id = I('type_id', '');
     if ($type_id != '') {
         $where['type_id'] = $type_id;
     }
     $log_list = $log_model->where($where)->order('order_time desc')->select();
     $log_array = array();
     $kb_type = M('kongbao_type')->select();
     $type_array = array();
     foreach ($kb_type as $type) {
         $type_array[$type['id']] = $type['name'];
     }
     $i = 0;
     foreach ($log_list as $k => $log) {
         $i++;
         $log_temp = array();
         $log_temp[] = $i;
         $log_temp[] = $type_array[$log['type_id']];
         $log_temp[] = $log['order_time'];
         $log_temp[] = $log['note_no'];
         $log_temp[] = $log['send_province'] . '-' . $log['send_city'] . '-' . $log['send_district'];
         $log_temp[] = $log['rec_province'] . '-' . $log['rec_city'] . '-' . $log['rec_district'] . $log['rec_address'];
         $log_temp[] = $log['rec_name'];
         $log_array[] = $log_temp;
     }
     $headers = array(array('序号', '快递类型', '下单时间', '单号', '发货地址', '收货地址', '收货人'));
     $order_counts = count($log_array);
     $file_name = $userid . '-' . $order_counts . '-' . time();
     $fileurl = 'Public/Uploads/kb_log/' . $userid . '/';
     MkdirAll($fileurl);
     $filename = $file_name . '.xls';
     $fileurl = $fileurl . md5($file_name) . '.xls';
     include 'Public/PHPExcel/PHPExcel.php';
     include 'Public/PHPExcel/PHPExcel/Writer/Excel5.php';
     include 'Public/PHPExcel/PHPExcel/Cell/DataType.php';
     $m_objPHPExcel = new PHPExcel();
     $this->write_xls($m_objPHPExcel, $fileurl, $headers, $log_array);
     import('ORG.Net.Http');
     ob_end_clean();
     $download = new Http();
     $download->download($fileurl, $filename);
     exit;
 }

 function downloadTabularData()
 {
     $data = $this->getData();
     $csv = '"' . implode('","', $data['columns']) . '"';
     foreach ($data['data'] as $row) {
         $csv .= "\n" . '"' . implode('","', $row) . '"';
     }
     Http::download(sprintf('%s-report.csv', $this->get('group', __('Department'))), 'text/csv', $csv);
 }

 /**
  * 下载附件
  *
  * @param int $aid 附件ID 为空时使用$_REQUEST['id']作为附件ID
  */
 public function download($aid)
 {
     if (intval($aid) == 0) {
         $aid = intval($_REQUEST['id']);
     }
     $attach = model('Attach')->field('savepath,savename,name')->where("id='{$aid}'")->find();
     if (!$attach) {
         $this->error('附件不存在或已被删除！');
     }
     //下载函数
     require_cache('./addons/libs/Http.class.php');
     $file_path = UPLOAD_PATH . '/' . $attach['savepath'] . $attach['savename'];
     if (file_exists($file_path)) {
         $filename = strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') ? iconv('utf-8', 'gbk', $attach['name']) : preg_replace('/\\s/', '_', $attach['name']);
         Http::download($file_path, $filename);
     } else {
         $this->error('附件不存在或已被删除！');
     }
 }

 function download($disposition = false, $expires = false)
 {
     $disposition = $disposition ?: 'inline';
     $bk = $this->open();
     if ($bk->sendRedirectUrl($disposition)) {
         return;
     }
     $ttl = $expires ? $expires - Misc::gmtime() : false;
     $this->makeCacheable($ttl);
     Http::download($this->getName(), $this->getType() ?: 'application/octet-stream', null, $disposition);
     header('Content-Length: ' . $this->getSize());
     $this->sendData(false);
     exit;
 }

 /**
  * 导出SQL文件
  * @access public
  * @return void
  */
 public function outputData()
 {
     if (empty($_POST['table'])) {
         // 默认导出所有表
         $tables = $this->db->getTables(Session('useDb'));
     } else {
         // 导出指定表
         $tables = explode(',', $_POST['table']);
     }
     $this->db->execute('USE ' . Session('useDb'));
     // 组装导出SQL
     $sql = "-- ThinkPHP SQL Dump\n-- http://www.thinkphp.cn\n\n";
     foreach ($tables as $key => $table) {
         $sql .= "-- \n-- 表的结构 `{$table}`\n-- \n";
         $info = $this->db->query("SHOW CREATE TABLE  {$table}");
         $sql .= $info[0]['Create Table'];
         $sql .= ";\n-- \n-- 导出表中的数据 `{$table}`\n--\n";
         $result = $this->db->query("SELECT * FROM {$table} ");
         foreach ($result as $key => $val) {
             foreach ($val as $k => $field) {
                 if (is_string($field)) {
                     $val[$k] = '\'' . $this->db->escapeString($field) . '\'';
                 } elseif (empty($field)) {
                     $val[$k] = 'NULL';
                 }
             }
             $sql .= "INSERT INTO `{$table}` VALUES (" . implode(',', $val) . ");\n";
         }
     }
     $filename = empty($_POST['table']) ? Session('useDb') : $_POST['table'];
     import("ORG.Net.Http");
     if (empty($_POST['zip'])) {
         file_put_contents(C('TEMP_PATH') . $filename . '.sql', trim($sql));
         Http::download(C('TEMP_PATH') . $filename . '.sql');
     } else {
         $zip = new \ZipArchive();
         if ($zip->open(C('TEMP_PATH') . $filename . '.zip', \ZIPARCHIVE::CREATE) !== TRUE) {
             exit("cannot open <{$filename}>\n");
         }
         $zip->addFromString($filename . '.sql', trim($sql));
         //$zip->addFile(TEMP_PATH.'thinkcms.sql',"ddd/test.sql");
         $zip->close();
         Http::download(C('TEMP_PATH') . $filename . '.zip');
     }
     /*
             if(empty($_POST['zip'])) {
                 import("ORG.Net.Http");
                 Http::download (TEMP_PATH.$filename.'.sql');
             }else{
                 import('Think.Util.Archive');
                 $archive = new Archive($_POST['zip']);
                 switch(strtolower($_POST['zip'])) {
                     case 'gzip':$ext    = '.tar.gz';break;
                     case 'bzip':$ext    = '.tar.bz2';break;
                     case 'tar':$ext =  '.tar';break;
                     case 'zip':
                     default:$ext =  '.zip';
                 }
                 $archive->add(TEMP_PATH.$filename.'.sql',$filename.'.sql',TRUE);
                 $archive->download($filename.$ext);
             }*/
 }

 public function downfile()
 {
     $filename = I('file', '');
     if ($filename == '') {
         $this->message2('无效请求!', U('database'));
     }
     $bkdir = 'Public/Uploads/backupdata';
     $filepath = $bkdir . '/' . $filename;
     if (!file_exists($filepath)) {
         $this->message2('未找到备份文件！', U('database'));
     }
     $file_path = iconv('utf-8', 'gb2312', $filepath);
     import('ORG.Net.Http');
     $download = new Http();
     $download->download($file_path, $filename);
 }

 public function download($file = null)
 {
     return Http::download('public/' . $file);
 }