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當我嘗試生成PHPExcel大文件,我得到這個錯誤:PHPExcel寫XLSX文件,允許內存大小
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 67 bytes)
這裏的示例代碼這將導致此:
$CI = & get_instance();
$CI->load->library ('export/PHPExcel');
$objPHPExcel = new PHPExcel();
$objPHPExcel->setActiveSheetIndex (0);
$rowCount = 1;
$objPHPExcel->getProperties()->setCreator("Maarten Balliauw");
$objPHPExcel->getProperties()->setLastModifiedBy("Maarten Balliauw");
$objPHPExcel->getProperties()->setTitle("Office 2007 XLSX Test Document");
$objPHPExcel->getProperties()->setSubject("Office 2007 XLSX Test Document");
$objPHPExcel->getProperties()->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.");
$objPHPExcel->getActiveSheet()->SetCellValue('A'.$rowCount,'title'.$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('B'.$rowCount,'title'.$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('C'.$rowCount,'title'.$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('D'.$rowCount,'title'.$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('E'.$rowCount,'title'.$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('F'.$rowCount,'title'.$rowCount);
for($i=0; $i<1000000; $i++){
$rowCount++;
$objPHPExcel->getActiveSheet()->SetCellValue('A'.$rowCount, "xyz".$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('B'.$rowCount, "xyz".$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('C'.$rowCount, "xyz".$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('D'.$rowCount, "xyz".$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('E'.$rowCount, "xyz".$rowCount);
$objPHPExcel->getActiveSheet()->SetCellValue('F'.$rowCount, "xyz".$rowCount);
}
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Disposition: attachment;filename="your_name.xls"');
header('Cache-Control: max-age=0');
$objWriter = new PHPExcel_Writer_Excel2007 ($objPHPExcel);
$objWriter->save ('php://output');
現在的問題是如何避免這個問題,當我想用PHPExcel生成大的xlsx文件?或者,也許你知道更好的文學作品?我無法更改apache/php配置以提供更多內存。解決方案不應該依賴於內存。
php只能根據內存分配做很多事情。你試圖生成的文件超過了128MB(猜測你的當前限制),因此它不能這樣做。你不能提高你的內存限制在PHP?大多數(甚至共享)託管允許自定義php.ini,如果你沒有訪問服務器... –
128 MB是相當糟糕的主機限制。你可以通過PHP來改變它嗎? '的ini_set( 'memory_limit的', '256M');'? – jtheman