1.导出excel表（Thinkphp）

  /**
     * 导出excel表
     * @param  string $fileTitle 生成文件名称
     * @param  string $title 名称
     * @return [type]        [description]
     */
    function newImportExcelData($fileName,$title,$valueArray='',$tableTopArray=''){

        //require_once(dirname(__FILE__).'/phpexcel/PHPExcel.php');
        //

        vendor('phpexcel.PHPExcel');

        $objPHPExcel = new \PHPExcel();

        // work start
        $objPHPExcel->setActiveSheetIndex(0);
        $objPHPExcel->getActiveSheet()->setTitle($title);
        $objPHPExcel->getActiveSheet()->getProtection()->setSheet(true); // Needs to be set to true in order to enable any worksheet protection!
        //$objPHPExcel->getActiveSheet()->protectCells('A3:E13', 'PHPExcel');


        // 处理表格开始
        // 表格头
        $cols = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $num = 1; // execl从1开始
        foreach ($tableTopArray as $k => $v) {
            $key_i = $cols{$k}.$num;
            $objPHPExcel->getActiveSheet()->setCellValue($key_i,$v); // 设置第一行为表头
            $objPHPExcel->getActiveSheet()->getStyle($key_i)->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER); // 第一行全部居中
            $objPHPExcel->getActiveSheet()->getStyle($key_i)->getFont()->setBold(true); // 第一行字体加粗
            $objPHPExcel->getActiveSheet()->getColumnDimension($key_i)->setAutoSize(true);
        }

        // 设置数据，表格具体数据
        foreach ($valueArray as $k => $v) {
            $i = $k+2;
            $j = 0;
            foreach ($v as $value) {
                $objPHPExcel->getActiveSheet()->setCellValue($cols{$j} . $i, $value);
                $j++;
            }
        }
        // 处理表格结束


        header('Content-Type: application/vnd.ms-excel');
        header("Content-Disposition: attachment;filename=".$fileName.".xls");
        header('Cache-Control: max-age=0');

        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
        $objWriter->save('php://output');
        exit;
    }