tp3.2,php5使用PHPExcel将数据导出至Excel

安装类库

从GitHub上下载PHPExcel类库
地址：https://github.com/PHPOffice/PHPExcel

public function checkexcel($id){
      
        require_once '/data/wwwroot/go01.cn/vendor/phpoffice/phpexcel/Classes/PHPExcel.php';
          // 文件名和文件类型
          $fileName = "student";
          $fileType = "xlsx";
  
          // 模拟获取数据
          $data =$this->getData();
  
          $obj = new \PHPExcel();
        // var_dump($data);die;
        // 以下内容是excel文件的信息描述信息
        $obj->getProperties()->setCreator('wqb'); //设置创建者
        $obj->getProperties()->setLastModifiedBy('reps'); //设置修改者
        $obj->getProperties()->setTitle('title'); //设置标题
        $obj->getProperties()->setSubject('them'); //设置主题
        $obj->getProperties()->setDescription('desc'); //设置描述
        $obj->getProperties()->setKeywords('keys');//设置关键词
        $obj->getProperties()->setCategory('type');//设置类型

        // 设置当前sheet
        $obj->setActiveSheetIndex(0);

        // 设置当前sheet的名称
        $obj->getActiveSheet()->setTitle('student');

        // 列标
        $list = ['A', 'B', 'C'];

        // 填充第一行数据
        $obj->getActiveSheet()
            ->setCellValue($list[0] . '1', '学号')
            ->setCellValue($list[1] . '1', '姓名')
            ->setCellValue($list[2] . '1', '班级');

        // 填充第n(n>=2, n∈N*)行数据
        $length = count($data);
        for ($i = 0; $i < $length; $i++) {
            $obj->getActiveSheet()->setCellValue($list[0] . ($i + 2), '20190101', \PHPExcel_Cell_DataType::TYPE_STRING);//将其设置为文本格式
            $obj->getActiveSheet()->setCellValue($list[1] . ($i + 2), 'student01');
            $obj->getActiveSheet()->setCellValue($list[2] . ($i + 2), '1班');
        }

        // 设置加粗和左对齐
        foreach ($list as $col) {
            // 设置第一行加粗
            $obj->getActiveSheet()->getStyle($col . '1')->getFont()->setBold(true);
            // 设置第1-n行，左对齐
            for ($i = 1; $i <= $length + 1; $i++) {
                $obj->getActiveSheet()->getStyle($col . $i)->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_LEFT);
            }
        }

        // 设置列宽
        $obj->getActiveSheet()->getColumnDimension('A')->setWidth(20);
        $obj->getActiveSheet()->getColumnDimension('B')->setWidth(20);
        $obj->getActiveSheet()->getColumnDimension('C')->setWidth(15);
        // var_dump($obj);
        // 导出
        ob_clean();
        if ($fileType == 'xls') {
            header('Content-Type: application/vnd.ms-excel');
            header('Content-Disposition: attachment;filename="' . $fileName . '.xls');
            header('Cache-Control: max-age=1');
            $objWriter = new \PHPExcel_Writer_Excel5($obj);
            $objWriter->save('php://output');
            exit;
        } elseif ($fileType == 'xlsx') {
            header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
            header('Content-Disposition: attachment;filename="' . $fileName . '.xlsx');
            header('Cache-Control: max-age=1');
            $objWriter = \PHPExcel_IOFactory::createWriter($obj, 'Excel2007');
            $objWriter->save('php://output');
            exit;
        }
    }

     // 准备数据
     protected function getData()
     {
         $studentList = [
             [
                 'stuNo' => '20190101',
                 'name' => 'student01',
                 'class' => '1班'
             ], [
                 'stuNo' => '20190102',
                 'name' => 'student02',
                 'class' => '1班'
             ], [
                 'stuNo' => '20190103',
                 'name' => 'student03',
                 'class' => '1班'
             ]
         ];
 
         return $studentList;
     }