PHP通过get方法获得form表单数据方法总结
我们在进行网页交互设计的时候，通常都会使用PHP中get变量方法来获得form表单中的数据，以此来实现各种网页动态查询或者请求。对于稍有HTML基础的朋友来说，应该都知道HTML form表单中有两种提交方式即get和po
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：
// Include PHPExcel library and create its objectrequire('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：
header('Content-Type: application/vnd.ms-excel');header('Content-Disposition: attachment;filename="file.xlsx"');header('Cache-Control: max-age=0');$writer->save('php://output');编辑现有电子表格
在PHP中编辑电子表格与创建电子表格类似：
// Include PHPExcel library and create its objectrequire('PHPExcel.php');// Load an existing spreadsheet$phpExcel = PHPExcel_IOFactory::load('products.xlsx');// Get the first sheet$sheet = $phpExcel ->getActiveSheet();// Remove 2 rows starting from the row 2$sheet ->removeRow(2,2);// Insert one new row before row 2$sheet->insertNewRowBefore(2, 1);// Create the PHPExcel spreadsheet writer object// We will create xlsx file (Excel 2007 and above)$writer = PHPExcel_IOFactory::createWriter($phpExcel, "Excel2007");// Save the spreadsheet$writer->save('products.xlsx');准备电子表格进行打印
要准备电子表格进行打印，我们将设置纸张方向，尺寸和边距：
$sheet->getPageSetup()->setOrientation(PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE);$sheet -> getPageSetup()->setPaperSize(PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4); $sheet->getPageMargins()->setTop(1);$sheet ->getPageMargins()->setRight(0.75);$sheet ->getPageMargins()->setLeft(0.75);$sheet ->getPageMargins()->setBottom(1);
将PHPExcel与Laravel一起使用
PHPExcel库也可以在Laravel框架中使用。查看以下PHP包（此处）并通过Composer安装它。完成安装步骤后，您可以使用以下代码将数据从数据库导出到Excel电子表格中：
Excel::create('Products', function($excel) { // Set the title $excel->setTitle('Product list'); // Set the creator $excel->setCreator('Voja Janjic'); // Set description $excel->setDescription('PHP Excel spreadsheet testing'); $excel->sheet('Products', function($sheet) { // Get data from the database $products = Product::all(); // Generate header row $sheet->row(1, array( 'ID', 'Product', 'Price', 'Quantity', )); // Generate data rows $i = 2; foreach($products as $product) { $sheet->row($i, array( $product->product_id, $product->product_name, $product->price, $variety->quantity, )); $i++; } });})->export('xlsx');
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