将下载好的PHPExcel的第三方类放置在extend中(放置第三方类的地方),不要乱配置命名空间,引起不必要的类错误
html代码
<div>
<form action="{:url('admin/upimg/excel')}" method="post" enctype="multipart/form-data">
<input type="submit" value="导出excel" class="layui-btn layui-btn-sm">
</form>
</div>
点击进去控制器,实现下载
控制器代码
public function excel()
{
//查找要导出的数据表
$list = Db::table('eb_brand')->select();
//导出的文件名称
$file_name = date('Y-m-d_H:i:s') . '表格' . '.xls';
dirname(__FILE__);
Loader::import('PHPExcel.Classes.PHPExcel');//引入的是extend下的PHPExcel 必须手动引入
Loader::import('PHPExcel.Classes.PHPExcel.IOFactory.PHPExcel_IOFactory');
$PHPExcel=new \PHPExcel();
$objWriter = new \PHPExcel_Writer_Excel2007($PHPExcel);
$PHPSheet = $PHPExcel->getActiveSheet();
//设置水平居中
$PHPExcel->setActiveSheetIndex(0)->getStyle('A')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('B')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('C')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('D')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
// 设置个表格标题
$PHPSheet->setTitle("代理商");
$PHPSheet->setCellValue("A1", "ID");
$PHPSheet->setCellValue("B1", "品牌名称");
$PHPSheet->setCellValue("C1", "排序");
$PHPSheet->setCellValue("D1", "图片地址");
//设置表格宽度
$PHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(20);
$PHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(20);
$PHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(20);
$PHPExcel->getActiveSheet()->getColumnDimension('D')->setWidth(80);
// 设置垂直居中
$PHPExcel->setActiveSheetIndex(0)->getStyle('A')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('B')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('C')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$PHPExcel->setActiveSheetIndex(0)->getStyle('D')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$i = 2;
foreach ($list as $key => $value) {
$PHPSheet->setCellValue('A' . $i, '' . $value['id']);
$PHPSheet->setCellValue('B' . $i, '' . $value['bname']);
$PHPSheet->setCellValue('C' . $i, '' . $value['sort']);
//获取到图片信息
$img = DB::table('eb_brand')->where('id', $value['id'])->field('image_input')->find();
$objDrawing[$key] = new \PHPExcel_Worksheet_Drawing();
$objDrawing[$key]->setPath('.' . $img['image_input']); //这里拼接 . 是因为要在根目录下获取
$objDrawing[$key]->setHeight(20);//照片高度
$objDrawing[$key]->setWidth(70); //照片宽度
$objDrawing[$key]->setCoordinates('D' . $key);
// 图片偏移距离
$objDrawing[$key]->setOffsetX(12);
$objDrawing[$key]->setOffsetY(12);
$objDrawing[$key]->setWorksheet($PHPExcel->getActiveSheet());
// $PHPSheet->setCellValue('D'.$i,''.$value['image_input']);
$i++;
}
$PHPExcel->setActiveSheetIndex(0);
$objWriter = \PHPExcel_IOFactory::createWriter($PHPExcel, "Excel2007");
header('Content-Disposition: attachment;filename=' . $file_name);
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Cache-Control: max-age=0');
$objWriter->save("php://output"); //文件通过浏览器下载
}