tp5 Excel 导出模板及数据导出

**
 * excel表格导出
 * @param string $fileName 文件名称
 * @param array $headArr 表头名称
 * @param array $data 要导出的数据
 * @author static7  */
function excelExport($fileName = '', $headArr = [], $data = []) {
 $fileName .= "_" . date("Y_m_d", time()) . ".xls";
 vendor("PHPExcel.Classes.PHPExcel");
 $objPHPExcel = new PHPExcel();
 $objPHPExcel->getProperties();
 $key = ord("A"); // 设置表头
 foreach ($headArr as $v) {
 $colum = chr($key);
 $objPHPExcel->setActiveSheetIndex(0)->setCellValue($colum . '1', $v);
 $objPHPExcel->setActiveSheetIndex(0)->setCellValue($colum . '1', $v);
 $key += 1;
 }
 $column = 2;
 $objActSheet = $objPHPExcel->getActiveSheet();
 foreach ($data as $key => $rows) { // 行写入
 $span = ord("A");
 foreach ($rows as $keyName => $value) { // 列写入
 $objActSheet->setCellValue(chr($span) . $column, $value);
 $span++;
 }
 $column++;
 }
 $fileName = iconv("utf-8", "gb2312", $fileName); // 重命名表
 $objPHPExcel->setActiveSheetIndex(0); // 设置活动单指数到第一个表,所以Excel打开这是第一个表
 header('Content-Type: application/vnd.ms-excel');
 header("Content-Disposition: attachment;filename='$fileName'");
 header('Cache-Control: max-age=0');
 $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
 $objWriter->save('php://output'); // 文件通过浏览器下载
 exit();
}
/**
 *出席成员Excel模板下载实例
*/
public function member_export() {
$name='参与抽奖者Excel模板';
$header=['工号','姓名','部门'];
$data=[
        ['YG001','样例(使用时请删除本行)','研发部'],
];
excelExport($name,$header,$data);
}