3

我有一个网页,其中包含一个单选组作为您希望保存的文件格式的选项。选项是:

  • .xls
  • .xlsx
  • .csv

除了 .csv 之外的所有工作,因为它还将页面 HTML 添加到文件的底部。

这是我正在尝试的(显示功能的代码片段):

// Creating the format
$data = $this->getQueryResults();

$objPHPExcel = new PHPExcel();
$objPHPExcel->getActiveSheet()->setTitle("Report"); 

$objPHPExcel->getProperties()->setCreator("me");     
$objPHPExcel->getProperties()->setLastModifiedBy("me");                 
$objPHPExcel->getProperties()->setSubject("Report Stuff");     
$objPHPExcel->getProperties()->setDescription("Report Stuff");

// Next I iterate through the data array
$objPHPExcel->getActiveSheet()->setCellValue($col.$rowNumber,$cell);
$objPHPExcel->getActiveSheet()->getColumnDimension($col)->setAutoSize(true);

// check the radio option selected for the file format
if($this->radioXLS->Checked) {
    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');

    header('Content-Type: application/vnd.ms-excel');
    header('Content-Disposition: attachment;filename="'.$excel_name.'.xls"');
    header('Cache-Control: max-age=0');
}

if($this->radioXLSX->Checked) {
    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');

    header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
    header('Content-Disposition: attachment;filename="'.$excel_name.'.xlsx"');
    header('Cache-Control: max-age=0');
}

if($this->radioCSV->Checked) {
    ob_end_clean(); // add/removing this does nothing
    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'CSV');
    $objWriter->setDelimiter(',');
    $objWriter->setEnclosure('');
    $objWriter->setLineEnding("\r\n");
    $objWriter->setSheetIndex(0);
    ob_end_clean(); // add/removing this does nothing

    header('Content-Type: text/csv');
    header('Content-Disposition: attachment;filename="'.$excel_name.'.csv"');
    header('Cache-Control: max-age=0');
}

$objWriter->save('php://output');

关于为什么将页面 HTML 附加到 .csv 文件的任何想法?

附带说明一下,如果重要的话,这是一个普拉多项目

更新:

再来一点...

我有一个网页,可以生成乐谱格式的报告(思考表/网格)。在同一页面上,我可以选择将指法格式的日期保存到 Excel .xls(不知何故 .xlsx 现在不工作了,呃……)。当单击从该页面下载的文件时,用户可以选择将文件保存在 .xls .xlsx .csv 中。

这是否会导致已经渲染的网页通过以下方式添加到输出中:php://output

更新 - 解决方案:

是的,在查看了 excel 文件后,它还添加了网页 HTML。我还查看了输出缓冲区 PHP 函数,但仍然没有任何工作

    while(ob_get_level() > 0) {
        ob_end_clean();
    }

    if($this->radioCSV->Checked) {                        
        header('Content-Type: text/csv');
        header('Content-Disposition: attachment;filename="'.$excel_name.'.csv"');
        header('Cache-Control: max-age=0');

        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'CSV');
        $objWriter->setDelimiter(',');
        $objWriter->setEnclosure('');
        $objWriter->setLineEnding("\r\n");
        $objWriter->setSheetIndex(0);
    } elseif($this->radioXLSX->Checked) {
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="'.$excel_name.'.xlsx"');
        header('Cache-Control: max-age=0');

        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
    } else {
        header('Content-Type: application/vnd.ms-excel');
        header('Content-Disposition: attachment;filename="'.$excel_name.'.xls"');
        header('Cache-Control: max-age=0');

        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
    } 

    $objWriter->save('php://output');
    exit();
4

2 回答 2

5

写到与做一个简单的语句php://output完全相同。echo的输出$objWriter->save()将被添加到所有其他被显或位于 PHP 块 ( <?php ... ?>) 之外的内容。


一个例子:

  • 这是正确的

    <?php
    
    $objPHPExcel = new PHPExcel();
    $objPHPExcel->getActiveSheet()->setTitle("Report"); 
    // ...
    $objWriter->save('php://output');
    
    ?>
    
  • 这是错误的:

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html lang="es">
    <head><title>Export to Excel</title>
    </head>
    <body>
    <?php
    
    echo '<h1>Export to Excel</h1>';
    
    $objPHPExcel = new PHPExcel();
    $objPHPExcel->getActiveSheet()->setTitle("Report"); 
    // ...
    $objWriter->save('php://output');
    
    ?>
    </body>
    </html>
    
于 2011-07-27T18:17:45.273 回答
3

您是否已验证 Excel 文件不包含 HTML?Excel 可能会忽略它们。exit();在最后一行之后添加会改变什么吗?

于 2011-07-27T18:13:45.873 回答