如何實作Yii2框架中使用PHPExcel匯出Excel文件

本篇文章主要介紹了Yii2框架中使用PHPExcel導出Excel文件的相關資料,具有一定的參考價值，感興趣的小伙伴們可以參考一下

最近在研究PHP的Yii框架，很喜歡，碰到導出Excel的問題，研究了一下，就有了下面的方法：

##最簡單的利用composer安裝

composer require "phpoffice/phpexcel": "*"

如果沒有安裝conposer可以參考下面1.2步

#1、引入PHPExcel

首先要下載phpexcel位址:https:/ /github.com/PHPOffice/PHPExcel/archive/1.8.1.zip

你可以直接在入口檔案index.php中引入，也可以在你定義的controller類別之前，只要是在你使用之前引入就可以

require dirname(dirname(__FILE__)).'/excel/PHPExcel.php';

或或在phpexcel類別裡修改對應的namespace也可。

2、依照下面的程式碼修改PHPExcel程式碼目錄裡的Autoloader.php文件，比較原始檔改成：

public static function Register() {
  $functions = spl_autoload_functions();
  foreach ( $functions as $function)
    spl_autoload_unregister($function);
    $functions = array_merge(array(array('PHPExcel_Autoloader','Load')),$functions);
  foreach ( $functions as $function)
    $x = spl_autoload_register($function);
    return $x;
}

#上面的函數中，註解掉的是原有的程式碼。

3、下面的程式碼是輸出Excel，以及一些常用的屬性設置，在controller中：

public function actionExport()
{
    $objectPHPExcel = new PHPExcel();
    $objectPHPExcel->setActiveSheetIndex(0);
  
    $page_size = 52;
    $model = new NewsSearch();
    $dataProvider = $model->search();
    $dataProvider->setPagination(false);
    $data = $dataProvider->getData();
    $count = $dataProvider->getTotalItemCount();
    $page_count = (int)($count/$page_size) +1;
    $current_page = 0;
    $n = 0;
    foreach ( $data as $product )
    {
      if ( $n % $page_size === 0 )
      {
        $current_page = $current_page +1;
  
        //报表头的输出
        $objectPHPExcel->getActiveSheet()->mergeCells('B1:G1');
        $objectPHPExcel->getActiveSheet()->setCellValue('B1','产品信息表');
  
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('B2','产品信息表');
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('B2','产品信息表');
        $objectPHPExcel->setActiveSheetIndex(0)->getStyle('B1')->getFont()->setSize(24);
        $objectPHPExcel->setActiveSheetIndex(0)->getStyle('B1')
          ->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
  
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('B2','日期：'.date("Y年m月j日"));
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('G2','第'.$current_page.'/'.$page_count.'页');
        $objectPHPExcel->setActiveSheetIndex(0)->getStyle('G2')
          ->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_RIGHT);
          
        //表格头的输出
        $objectPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(5);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('B3','编号');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(6.5);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('C3','名称');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(17);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('D3','生产厂家');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('D')->setWidth(22);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('E3','单位');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('E')->setWidth(15);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('F3','单价');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
        $objectPHPExcel->setActiveSheetIndex(0)->setCellValue('G3','在库数');
        $objectPHPExcel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
          
        //设置居中
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3')
          ->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
  
        //设置边框
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3' )
          ->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3' )
          ->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3' )
          ->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3' )
          ->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3' )
          ->getBorders()->getVertical()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
  
        //设置颜色
        $objectPHPExcel->getActiveSheet()->getStyle('B3:G3')->getFill()
          ->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB('FF66CCCC');
          
      }
      //明细的输出
      $objectPHPExcel->getActiveSheet()->setCellValue('B'.($n+4) ,$product->id);
      $objectPHPExcel->getActiveSheet()->setCellValue('C'.($n+4) ,$product->product_name);
      $objectPHPExcel->getActiveSheet()->setCellValue('D'.($n+4) ,$product->product_agent->name);
      $objectPHPExcel->getActiveSheet()->setCellValue('E'.($n+4) ,$product->unit);
      $objectPHPExcel->getActiveSheet()->setCellValue('F'.($n+4) ,$product->unit_price);
      $objectPHPExcel->getActiveSheet()->setCellValue('G'.($n+4) ,$product->library_count);
      //设置边框
      $currentRowNum = $n+4;
      $objectPHPExcel->getActiveSheet()->getStyle('B'.($n+4).':G'.$currentRowNum )
          ->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
      $objectPHPExcel->getActiveSheet()->getStyle('B'.($n+4).':G'.$currentRowNum )
          ->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
      $objectPHPExcel->getActiveSheet()->getStyle('B'.($n+4).':G'.$currentRowNum )
          ->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
      $objectPHPExcel->getActiveSheet()->getStyle('B'.($n+4).':G'.$currentRowNum )
          ->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
      $objectPHPExcel->getActiveSheet()->getStyle('B'.($n+4).':G'.$currentRowNum )
          ->getBorders()->getVertical()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
      $n = $n +1;  
    }
  
    //设置分页显示
    //$objectPHPExcel->getActiveSheet()->setBreak( 'I55' , PHPExcel_Worksheet::BREAK_ROW );
    //$objectPHPExcel->getActiveSheet()->setBreak( 'I10' , PHPExcel_Worksheet::BREAK_COLUMN );
    $objectPHPExcel->getActiveSheet()->getPageSetup()->setHorizontalCentered(true);
    $objectPHPExcel->getActiveSheet()->getPageSetup()->setVerticalCentered(false);
  
  
    ob_end_clean();
    ob_start();
  
    header('Content-Type : application/vnd.ms-excel');
    header('Content-Disposition:attachment;filename="'.'产品信息表-'.date("Y年m月j日").'.xls"');
    $objWriter= PHPExcel_IOFactory::createWriter($objectPHPExcel,'Excel5');
    $objWriter->save('php://output');

程式碼執行後，會直接產生Excel，並提示下載或開啟。

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