composer require phpoffice/phpexcel

use PHPExcel_IOFactory;
use PHPExcel;

/**
 * 導(dǎo)出遲到數(shù)據(jù)
 */
public function export_later()
{
  $date = explode("-",input("get.date"));
  $_opt['year'] = $date[0];
  $_opt['month'] = $date[1];
  $laterArray = Db::name('user')->select();//查找user表數(shù)據(jù)
  $xlsName = $_opt['month']."月遲到早退數(shù)據(jù)統(tǒng)計(jì)";
  $xlsCell = array(
    array('user_name','姓名'),
    array('user_accounts','工號(hào)'),
    array('later_times','遲到次數(shù)'),
    array('total_later','遲到累計(jì)（分鐘）'),
    array('early_times','早退次數(shù)'),
    array('total_early','早退累計(jì)（分鐘）'),
  );//查出字段輸出對(duì)應(yīng)Excel對(duì)應(yīng)的列名
  //公共方法調(diào)用
  export_excel($xlsName,$xlsCell,$laterArray);
}
/**
 * 公共數(shù)據(jù)導(dǎo)出實(shí)現(xiàn)功能
 * @param $expTitle 導(dǎo)出文件名
 * @param $expCellName 導(dǎo)出文件列名稱(chēng)
 * @param $expTableData 導(dǎo)出數(shù)據(jù)
 */
function export_excel($expTitle,$expCellName,$expTableData)
{
  $xlsTitle = iconv('utf-8', 'gb2312', $expTitle);//文件名稱(chēng)
  $fileName = $expTitle . date('_Ymd');//or $xlsTitle 文件名稱(chēng)可根據(jù)自己情況設(shè)定
  $cellNum = count($expCellName);
  $dataNum = count($expTableData);
  $objPHPExcel = new PHPExcel();//方法一
  $cellName = array('A','B', 'C','D', 'E', 'F','G','H','I', 'J', 'K','L','M', 'N', 'O', 'P', 'Q','R','S', 'T','U','V', 'W', 'X','Y', 'Z', 'AA',
    'AB', 'AC','AD','AE', 'AF','AG','AH','AI', 'AJ', 'AK', 'AL','AM','AN','AO','AP','AQ','AR', 'AS', 'AT','AU', 'AV','AW', 'AX',
    'AY', 'AZ');
  //設(shè)置頭部導(dǎo)出時(shí)間備注
  $objPHPExcel->getActiveSheet(0)->mergeCells('A1:' . $cellName[$cellNum - 1] . '1');//合并單元格
  $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', $expTitle . ' 導(dǎo)出時(shí)間:' . date('Y-m-d H:i:s'));
  //設(shè)置列名稱(chēng)
  for ($i = 0; $i < $cellNum; $i++) {
    $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i] . '2', $expCellName[$i][1]);
  }
  //賦值
  for ($i = 0; $i < $dataNum; $i++) {
    for ($j = 0; $j < $cellNum; $j++) {
      $objPHPExcel->getActiveSheet(0)->setCellValue(
        $cellName[$j] . ($i + 3), $expTableData[$i][$expCellName[$j][0]]
      );
    }
  }
  ob_end_clean();//這一步非常關(guān)鍵，用來(lái)清除緩沖區(qū)防止導(dǎo)出的excel亂碼
  header('pragma:public');
  header('Content-type:application/vnd.ms-excel;charset=utf-8;name="' . $xlsTitle . '.xls"');
  header("Content-Disposition:attachment;filename=$fileName.xls");//"xls"參考下一條備注
  $objWriter = \PHPExcel_IOFactory::createWriter(
    $objPHPExcel, 'Excel5'
  );//"Excel2007"生成2007版本的xlsx，"Excel5"生成2003版本的xls
  $objWriter->save('php://output');
}