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- <?php
- namespace util\PHPExcel;
- use Mall\Framework\Core\ResultWrapper;
- use Mall\Framework\Core\ErrorCode;
- /**
- * Created by PhpStorm.
- * User: phperstar
- * Date: 2020/8/10
- * Time: 3:32 PM
- */
- class IOFactory
- {
- /**
- * Search locations
- *
- * @var array
- * @access private
- * @static
- */
- private static $searchLocations = array(
- array( 'type' => 'IWriter', 'path' => '\Util\PHPExcel\Writer\{0}', 'class' => '{0}' ),
- array( 'type' => 'IReader', 'path' => '\Util\PHPExcel\Reader\{0}', 'class' => '{0}' )
- );
- /**
- * Loads PHPExcel from file using automatic PHPExcel_Reader_IReader resolution
- *
- * @static
- * @access public
- * @param string $pFilename The name of the spreadsheet file
- * @return ResultWrapper
- * @throws PHPExcel_Reader_Exception
- */
- public static function load($pFilename)
- {
- $result = self::createReaderForFile($pFilename);
- if(!$result->isSuccess()){
- return ResultWrapper::fail($result->getData(), $result->getErrorCode());
- }
- $reader = $result->getData();
- $reader->setReadDataOnly(true); // 只读取数据
- return ResultWrapper::success($reader->load($pFilename));
- }
- /**
- * Create PHPExcel_Reader_IReader for file using automatic PHPExcel_Reader_IReader resolution
- *
- * @static
- * @access public
- * @param string $pFilename The name of the spreadsheet file
- * @return ResultWrapper
- */
- public static function createReaderForFile($pFilename)
- {
- $pathinfo = pathinfo($pFilename);
- $extensionType = null;
- if (isset($pathinfo['extension'])) {
- switch (strtolower($pathinfo['extension'])) {
- case 'xlsx': // Excel (OfficeOpenXML) Spreadsheet
- case 'xlsm': // Excel (OfficeOpenXML) Macro Spreadsheet (macros will be discarded)
- case 'xltx': // Excel (OfficeOpenXML) Template
- case 'xltm': // Excel (OfficeOpenXML) Macro Template (macros will be discarded)
- $extensionType = 'Excel2007';
- break;
- case 'xls': // Excel (BIFF) Spreadsheet
- case 'xlt': // Excel (BIFF) Template
- $extensionType = 'Excel5';
- break;
- case 'ods': // Open/Libre Offic Calc
- case 'ots': // Open/Libre Offic Calc Template
- $extensionType = 'OOCalc';
- break;
- case 'slk':
- $extensionType = 'SYLK';
- break;
- case 'xml': // Excel 2003 SpreadSheetML
- $extensionType = 'Excel2003XML';
- break;
- case 'gnumeric':
- $extensionType = 'Gnumeric';
- break;
- case 'htm':
- case 'html':
- $extensionType = 'HTML';
- break;
- case 'csv':
- // Do nothing
- // We must not try to use CSV reader since it loads
- // all files including Excel files etc.
- break;
- default:
- break;
- }
- if ($extensionType !== null) {
- $result = self::createReader($extensionType);
- if(!$result->isSuccess()){
- return ResultWrapper::fail($result->getData(), $result->getErrorCode());
- }
- $reader = $result->getData();
- if (isset($reader) && $reader->canRead($pFilename)) {
- return ResultWrapper::success($reader);
- }
- }
- }
- // If we reach here then "lucky guess" didn't give any result
- // Try walking through all the options in self::$autoResolveClasses
- /*foreach (self::$autoResolveClasses as $autoResolveClass) {
- // Ignore our original guess, we know that won't work
- if ($autoResolveClass !== $extensionType) {
- $reader = self::createReader($autoResolveClass);
- if ($reader->canRead($pFilename)) {
- return $reader;
- }
- }
- }*/
- return ResultWrapper::fail('当前文件类型无法读取', ErrorCode::$notAllowAccess);
- }
- /**
- * Create PHPExcel_Reader_IReader
- *
- * @static
- * @access public
- * @param string $readerType Example: Excel2007
- * @return ResultWrapper
- */
- public static function createReader($readerType = '')
- {
- // Search type
- $searchType = 'IReader';
- // Include class
- foreach (self::$searchLocations as $searchLocation) {
- if ($searchLocation['type'] == $searchType) {
- $className = str_replace('{0}', $readerType, $searchLocation['path']);
- $instance = new $className();
- if ($instance !== null) {
- return ResultWrapper::success($instance);
- }
- }
- }
- return ResultWrapper::fail('没有对应的解析解析类', ErrorCode::$notAllowAccess);
- }
- }
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