PHP HTTPRequest::send_file方法代码示例

 /**
  * Outputs appropriate header for downloading a file
  * exits() after the call, so that no further output is given.
  * 
  * @deprecated 2.3 Return a HTTPRequest::send_file() object instead
  */
 static function sendFileToBrowser($fileData, $fileName, $mimeType = false)
 {
     user_error("HTTP::sendFileToBrowser() deprecated; return a HTTPRequest::send_file() object instead", E_USER_NOTICE);
     HTTPRequest::send_file($fileData, $fileName, $mimeType)->output();
     exit(0);
 }

	/**
	 * Exports a given set of comma-separated IDs (from a previous search-query, stored in a HiddenField).
	 * Uses {$csv_columns} if present, and falls back to {$result_columns}.
	 * We move the most filedata generation code to the function {@link generateExportFileData()} so that a child class
	 * could reuse the filedata generation code while overwrite export function.
	 * 
	 * @todo Make relation-syntax available (at the moment you'll have to use custom sql) 
	 */
	function export() {
		$now = Date("d-m-Y-H-i");
		$fileName = "export-$now.csv";
		
		if($fileData = $this->generateExportFileData($numColumns, $numRows)){
			return HTTPRequest::send_file($fileData, $fileName);
		}else{
			user_error("No records found", E_USER_ERROR);
		}
	}

 /**
  * Overidden to exclude certain fields (IE Save) from the export. Additionally,
  * we need to trim the result set of fields that don't exist in the field anymore, even if there
  * are form submissions that have values for those non-existent fields.
  */
 public function export($fileName = null)
 {
     $separator = ",";
     // Get the UserDefinedForm to export data from the URL
     $SQL_ID = isset($_REQUEST['id']) ? Convert::raw2sql($_REQUEST['id']) : false;
     if ($SQL_ID) {
         $udf = DataObject::get_by_id("UserDefinedForm", $SQL_ID);
         if ($udf) {
             $fileName = str_replace(' ', '_', $udf->MenuTitle . '-' . date('Y-m-d_H.i.s') . '.csv');
             // we'll limit submissions to only those that are completed.
             $submissions = $udf->Submissions();
             //'"SubmissionStatus" = \'Complete\'');
             if ($submissions && $submissions->Count() > 0) {
                 // Get all the submission IDs (so we know what names/titles to get - helps for sites with many UDF's)
                 $inClause = array();
                 foreach ($submissions as $submission) {
                     $inClause[] = $submission->ID;
                 }
                 // Get the CSV header rows from the database
                 $tmp = DB::query("SELECT DISTINCT \"SubmittedFormField\".\"ID\", \"Name\", \"Title\"\n\t\t\t\t\t\tFROM \"SubmittedFormField\"\n\t\t\t\t\t\tLEFT JOIN \"SubmittedForm\" ON \"SubmittedForm\".\"ID\" = \"SubmittedFormField\".\"ParentID\"\n\t\t\t\t\t\tWHERE  \"SubmittedFormField\".\"ParentID\" IN (" . implode(',', $inClause) . ")\n\t\t\t\t\t\tORDER BY \"SubmittedFormField\".\"ID\"");
                 // Sort the Names and Titles from the database query into separate keyed arrays
                 $stored = array();
                 foreach ($tmp as $array) {
                     // only store if we haven't got this field already
                     // TODO Specific hack here to handle save fields in editable user forms
                     if (!isset($stored[$array['Name']]) && $array['Title'] != 'Save') {
                         $csvHeaderNames[] = $array['Name'];
                         $csvHeaderTitle[] = $array['Title'];
                         $stored[$array['Name']] = true;
                     }
                 }
                 // For every submission...
                 $i = 0;
                 foreach ($submissions as $submission) {
                     // Get the rows for this submission (One row = one form field)
                     $dataRow = $submission->Values();
                     $rows[$i] = array();
                     // For every row/field, get all the columns
                     foreach ($dataRow as $column) {
                         // If the Name of this field is in the $csvHeaderNames array, get an array of all the places it exists
                         if ($index = array_keys($csvHeaderNames, $column->Name)) {
                             if (is_array($index)) {
                                 // Set the final output array for each index that we want to insert this value into
                                 foreach ($index as $idx) {
                                     $rows[$i][$idx] = $column->Value;
                                 }
                                 $rows[$i]['SubmissionStatus'] = $submission->SubmissionStatus;
                                 $rows[$i]['Submitted'] = $submission->LastEdited;
                             }
                         }
                     }
                     $i++;
                 }
                 $csvHeaderTitle[] = "Status";
                 $csvHeaderTitle[] = "Submitted";
                 // CSV header row
                 $csvData = '"' . implode('","', $csvHeaderTitle) . '"' . "\n";
                 // For every row of data (one form submission = one row)
                 foreach ($rows as $row) {
                     // Loop over all the names we can use
                     for ($i = 0; $i < count($csvHeaderNames); $i++) {
                         if (!isset($row[$i]) || !$row[$i]) {
                             $csvData .= '"",';
                         } else {
                             $csvData .= '"' . str_replace('"', '\\"', $row[$i]) . '",';
                         }
                     }
                     // Start a new row for each submission
                     $csvData .= '"' . $row['SubmissionStatus'] . '",' . '"' . $row['Submitted'] . '"' . "\n";
                 }
             } else {
                 user_error("No submissions to export.", E_USER_ERROR);
             }
             if (class_exists('SS_HTTPRequest')) {
                 SS_HTTPRequest::send_file($csvData, $fileName)->output();
             } else {
                 HTTPRequest::send_file($csvData, $fileName)->output();
             }
         } else {
             user_error("'{$SQL_ID}' is a valid type, but we can't find a UserDefinedForm in the database that matches the ID.", E_USER_ERROR);
         }
     } else {
         user_error("'{$SQL_ID}' is not a valid UserDefinedForm ID.", E_USER_ERROR);
     }
 }

 function export()
 {
     // specify custom baseurl for publishing to other webroot
     if (isset($_REQUEST['baseurl'])) {
         $base = $_REQUEST['baseurl'];
         if (substr($base, -1) != '/') {
             $base .= '/';
         }
         Director::setBaseURL($base);
     }
     // setup temporary folders
     $tmpBaseFolder = TEMP_FOLDER . '/static-export';
     $tmpFolder = project() ? "{$tmpBaseFolder}/" . project() : "{$tmpBaseFolder}/site";
     if (!file_exists($tmpFolder)) {
         Filesystem::makeFolder($tmpFolder);
     }
     $baseFolderName = basename($tmpFolder);
     // symlink /assets
     $f1 = ASSETS_PATH;
     $f2 = Director::baseFolder() . '/' . project();
     `cd {$tmpFolder}; ln -s {$f1}; ln -s {$f2}`;
     // iterate through all instances of SiteTree
     $pages = DataObject::get("SiteTree");
     foreach ($pages as $page) {
         $subfolder = "{$tmpFolder}/{$page->URLSegment}";
         $contentfile = "{$tmpFolder}/{$page->URLSegment}/index.html";
         // Make the folder
         if (!file_exists($subfolder)) {
             Filesystem::makeFolder($subfolder);
         }
         // Run the page
         Requirements::clear();
         $link = Director::makeRelative($page->Link());
         $response = Director::test($link);
         // Write to file
         if ($fh = fopen($contentfile, 'w')) {
             fwrite($fh, $response->getBody());
             fclose($fh);
         }
     }
     // copy homepage (URLSegment: "home") to webroot
     copy("{$tmpFolder}/home/index.html", "{$tmpFolder}/index.html");
     // archive all generated files
     `cd {$tmpBaseFolder}; tar -czhf {$baseFolderName}.tar.gz {$baseFolderName}`;
     $archiveContent = file_get_contents("{$tmpBaseFolder}/{$baseFolderName}.tar.gz");
     // remove temporary files and folder
     Filesystem::removeFolder($tmpBaseFolder);
     // return as download to the client
     $response = HTTPRequest::send_file($archiveContent, "{$baseFolderName}.tar.gz", 'application/x-tar-gz');
     echo $response->output();
 }

 /**
  * Export each of the form submissions for this UserDefinedForm
  * instance into a CSV file.
  * 
  * In order to run this export function, the user must be
  * able to edit the page, so we check canEdit()
  *
  * @return HTTPResponse / bool
  */
 public function export()
 {
     $now = Date("Y-m-d_h.i.s");
     $fileName = "export-{$now}.csv";
     $separator = ",";
     // Get the UserDefinedForm to export data from the URL
     $SQL_ID = isset($_REQUEST['id']) ? Convert::raw2sql($_REQUEST['id']) : false;
     if ($SQL_ID) {
         $udf = DataObject::get_by_id("UserDefinedForm", $SQL_ID);
         if ($udf) {
             $submissions = $udf->Submissions();
             if ($submissions && $submissions->Count() > 0) {
                 // Get all the submission IDs (so we know what names/titles to get - helps for sites with many UDF's)
                 $inClause = array();
                 foreach ($submissions as $submission) {
                     $inClause[] = $submission->ID;
                 }
                 // Get the CSV header rows from the database
                 $tmp = DB::query("SELECT DISTINCT \"SubmittedFormField\".\"ID\", \"Name\", \"Title\"\n\t\t\t\t\t\tFROM \"SubmittedFormField\"\n\t\t\t\t\t\tLEFT JOIN \"SubmittedForm\" ON \"SubmittedForm\".\"ID\" = \"SubmittedFormField\".\"ParentID\"\n\t\t\t\t\t\tWHERE \"SubmittedFormField\".\"ParentID\" IN (" . implode(',', $inClause) . ")\n\t\t\t\t\t\tORDER BY \"SubmittedFormField\".\"ID\"");
                 // Sort the Names and Titles from the database query into separate keyed arrays
                 foreach ($tmp as $array) {
                     $csvHeaderNames[] = $array['Name'];
                     $csvHeaderTitle[] = $array['Title'];
                 }
                 // We need Headers to be unique, query is returning headers multiple times (number of submissions).
                 // TODO: Fix query
                 $csvHeaderNames = array_unique($csvHeaderNames);
                 $csvHeaderTitle = array_unique($csvHeaderTitle);
                 // For every submission...
                 $i = 0;
                 foreach ($submissions as $submission) {
                     // Get the rows for this submission (One row = one form field)
                     $dataRow = $submission->FieldValues();
                     $rows[$i] = array();
                     // For every row/field, get all the columns
                     foreach ($dataRow as $column) {
                         // If the Name of this field is in the $csvHeaderNames array, get an array of all the places it exists
                         if ($index = array_keys($csvHeaderNames, $column->Name)) {
                             if (is_array($index)) {
                                 // Set the final output array for each index that we want to insert this value into
                                 foreach ($index as $idx) {
                                     $rows[$i][$idx] = $column->Value;
                                 }
                                 $rows[$i]['Submitted'] = $submission->Created;
                             }
                         }
                     }
                     $i++;
                 }
                 // CSV header row
                 $csvData = '"' . implode('","', $csvHeaderTitle) . '"' . ',"Submitted"' . "\n";
                 // For every row of data (one form submission = one row)
                 foreach ($rows as $row) {
                     // Loop over all the names we can use
                     for ($i = 0; $i < count($csvHeaderNames); $i++) {
                         if (!isset($row[$i]) || !$row[$i]) {
                             $csvData .= '"",';
                         } else {
                             $csvData .= '"' . str_replace('"', '\\"', $row[$i]) . '",';
                         }
                     }
                     // Start a new row for each submission
                     $csvData .= '"' . $row['Submitted'] . '"' . "\n";
                 }
             } else {
                 user_error("No submissions to export.", E_USER_ERROR);
             }
             if (class_exists('SS_HTTPRequest')) {
                 SS_HTTPRequest::send_file($csvData, $fileName)->output();
             } else {
                 HTTPRequest::send_file($csvData, $fileName)->output();
             }
         } else {
             user_error("'{$SQL_ID}' is a valid type, but we can't find a UserDefinedForm in the database that matches the ID.", E_USER_ERROR);
         }
     } else {
         user_error("'{$SQL_ID}' is not a valid UserDefinedForm ID.", E_USER_ERROR);
     }
 }

 /**
  * File found response
  *
  * @param $file File to send
  * @param $alternate_path string If supplied, return the file from this path instead, for
  * example, resampled images.
  */
 function fileFound(File $file, $alternate_path = null)
 {
     // File properties
     $file_name = $file->Name;
     $file_path = Director::getAbsFile($alternate_path ? $alternate_path : $file->FullPath);
     $file_size = filesize($file_path);
     // Testing mode - return an HTTPResponse
     if (self::$use_ss_sendfile) {
         if (ClassInfo::exists('SS_HTTPRequest')) {
             return SS_HTTPRequest::send_file(file_get_contents($file_path), $file_name);
         } else {
             return HTTPRequest::send_file(file_get_contents($file_path), $file_name);
         }
     }
     // Normal operation:
     $mimeType = HTTP::getMimeType($file_name);
     header("Content-Type: {$mimeType}; name=\"" . addslashes($file_name) . "\"");
     header("Content-Disposition: attachment; filename=" . addslashes($file_name));
     header("Cache-Control: max-age=1, private");
     header("Content-Length: {$file_size}");
     header("Pragma: ");
     if (self::$use_x_sendfile) {
         session_write_close();
         header('X-Sendfile: ' . $file_path);
         exit;
     } elseif ($filePointer = @fopen($file_path, 'rb')) {
         session_write_close();
         $this->flush();
         // Push the file while not EOF and connection exists
         while (!feof($filePointer) && !connection_aborted()) {
             print fread($filePointer, 1024 * self::$chunck_size_kb);
             $this->flush();
         }
         fclose($filePointer);
         exit;
     } else {
         // Edge case - either not found anymore or can't read
         return $this->fileNotFound();
     }
 }