Hướng dẫn sử dụng lib PHPExcel để xuất file excel trong php

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Trước tiên các bạn cần require thư viện PHPExcel vào trong project của chúng ta


require_once dirname(__FILE__) ."/libs/PHPExcel/PHPExcel.php";

Bổ sung thêm form chứa button ExportExcel


<div class="card-body">
<form class="needs-validation" novalidate  enctype="application/x-www-form-urlencoded" >
  <input type="hidden" name="excel" value="1" / >
  <button class="btn btn-info" >ExportExcel</button >  
</form >
<div >

Bổ sung code PHP để check biến excel và thêm dữ liệu và download file


if(isset($_GET['excel'])) {
$result = mysqli_query($conn,"SELECT * FROM Customers". $where);
  // Create new PHPExcel object
$objPHPExcel = new PHPExcel();


// Add some data
$objPHPExcel->setActiveSheetIndex(0)
            ->setCellValue('A1', 'Tên khách hàng')
            ->setCellValue('B1','Điện thoại')
            ->setCellValue('C1', 'Địa chỉ')
            ->setCellValue('D1', 'Email');
 $key = 0;
 while($customer = mysqli_fetch_assoc($result)) {

// Add some data
$objPHPExcel->setActiveSheetIndex(0)
            ->setCellValue('A'.($key+2), $customer['CustomerName'])
            ->setCellValue('B'.($key+2), $customer['Phone'])
            ->setCellValue('C'.($key+2), $customer['Address'])
            ->setCellValue('D'.($key+2), $customer['email']);
            $key ++;
 }
// Rename worksheet
$objPHPExcel->getActiveSheet()->setTitle('Customer');


// Set active sheet index to the first sheet, so Excel opens this as the first sheet
$objPHPExcel->setActiveSheetIndex(0);


// Redirect output to a client’s web browser (Excel2007)
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Disposition: attachment;filename="customer.xlsx"');
header('Cache-Control: max-age=0');
// If you're serving to IE 9, then the following may be needed
header('Cache-Control: max-age=1');

// If you're serving to IE over SSL, then the following may be needed
header ('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
header ('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified
header ('Cache-Control: cache, must-revalidate'); // HTTP/1.1
header ('Pragma: public'); // HTTP/1.0

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter->save('php://output');
exit;
}

 

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