要使用纯php创建或编辑excel电子表格，我们将使用phpexcel库，它可以读写许多电子表格格式，包括xls，xlsx，ods和csv。在我们继续之前，仔细检查您的服务器上是否有php 5.2或更高版本以及安装了以下php扩展：php_zip，php_xml和php_gd2。
创建电子表格
创建电子表格是PHP应用程序中最常见的用例之一，用于将数据导出到Excel电子表格。查看以下代码，了解如何使用PHPExcel创建示例Excel电子表格： （推荐学习：PHP视频教程）
// Include PHPExcel library and create its object
require('PHPExcel.php');
$phpExcel = new PHPExcel;
// Set default font to Arial
$phpExcel->getDefaultStyle()->getFont()->setName('Arial');
// Set default font size to 12
$phpExcel->getDefaultStyle()->getFont()->setSize(12);
// Set spreadsheet properties – title, creator and description
$phpExcel ->getProperties()->setTitle("Product list");
$phpExcel ->getProperties()->setCreator("Voja Janjic");
$phpExcel ->getProperties()->setDescription("PHP Excel spreadsheet testing.");
// Create the PHPExcel spreadsheet writer object
// We will create xlsx file (Excel 2007 and above)
$writer = PHPExcel_IOFactory::createWriter($phpExcel, "Excel2007");
// When creating the writer object, the first sheet is also created
// We will get the already created sheet
$sheet = $phpExcel ->getActiveSheet();
// Set sheet title
$sheet->setTitle('My product list');
// Create spreadsheet header
$sheet ->getCell('A1')->setValue('Product');
$sheet ->getCell('B1')->setValue('Quanity');
$sheet ->getCell('C1')->setValue('Price');
// Make the header text bold and larger
$sheet->getStyle('A1:D1')->getFont()->setBold(true)->setSize(14);
// Insert product data
// Autosize the columns
$sheet->getColumnDimension('A')->setAutoSize(true);
$sheet->getColumnDimension('B')->setAutoSize(true);
$sheet->getColumnDimension('C')->setAutoSize(true);
// Save the spreadsheet
$writer->save('products.xlsx');如果要下载电子表格而不是将其保存到服务器，请执行以下操作：
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header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="file.xlsx"');
header('Cache-Control: max-age=0');
$writer->save('php://output'); 
