php使用excel表格_PHP中创建和编辑Excel表格的方法

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 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:

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 object

require('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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