excel导出图片优化

@@ -312,6 +312,7 @@ class OrderController extends AdminBaseController
         //导出Excel
         //导出Excel
         $objPHPExcel = new \PHPExcel();
         $objPHPExcel = new \PHPExcel();
 
 
+        // 设置单元格宽度
         $objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(25);
         $objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(25);
         $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(15);
         $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(15);
         $objPHPExcel->getActiveSheet()->getColumnDimension('D')->setWidth(20);
         $objPHPExcel->getActiveSheet()->getColumnDimension('D')->setWidth(20);
@@ -400,6 +401,7 @@ class OrderController extends AdminBaseController
 
 
         $i = 2;
         $i = 2;
 
 
+        // 循环到导出数据
         foreach ($array as $v) {
         foreach ($array as $v) {
             $status = '未支付';
             $status = '未支付';
             if($v['status'] == 1) {
             if($v['status'] == 1) {
@@ -427,9 +429,11 @@ class OrderController extends AdminBaseController
                 ];
                 ];
                 $vs['cell'] = Db::name('OrderOption')->where($where)->value('cell');
                 $vs['cell'] = Db::name('OrderOption')->where($where)->value('cell');
                 if($vs['type'] == 3) {
                 if($vs['type'] == 3) {
+                    // 纯数字字段转化为字符串格式，防止以科学计数法进行显示
                     $objPHPExcel->setActiveSheetIndex(0)
                     $objPHPExcel->setActiveSheetIndex(0)
                     ->setCellValueExplicit($vs['cell'] . $i, $vs['user_choose'],\PHPExcel_Cell_DataType::TYPE_STRING);
                     ->setCellValueExplicit($vs['cell'] . $i, $vs['user_choose'],\PHPExcel_Cell_DataType::TYPE_STRING);
                 } elseif($vs['type'] == 8) {
                 } elseif($vs['type'] == 8) {
+                    // 导出图片格式，高度自适应
                     if(!empty($vs['user_choose']) && file_exists('./upload/'.$vs['user_choose'])) {
                     if(!empty($vs['user_choose']) && file_exists('./upload/'.$vs['user_choose'])) {
                         $image = \think\Image::open('./upload/'.$vs['user_choose']);
                         $image = \think\Image::open('./upload/'.$vs['user_choose']);
                         // 返回图片的宽度
                         // 返回图片的宽度
@@ -437,13 +441,12 @@ class OrderController extends AdminBaseController
                         // 返回图片的高度
                         // 返回图片的高度
                         $height = $image->height();
                         $height = $image->height();
                         $default = $height/($width/100);
                         $default = $height/($width/100);
-                        //设置默认行高
+                        //设置默认行高（通过图片缩放比例计算高度）
                         $objPHPExcel->getActiveSheet()->getRowDimension($i)->setRowHeight($default);
                         $objPHPExcel->getActiveSheet()->getRowDimension($i)->setRowHeight($default);
                         // 图片生成
                         // 图片生成
                         $objDrawing[$i] = new \PHPExcel_Worksheet_Drawing();
                         $objDrawing[$i] = new \PHPExcel_Worksheet_Drawing();
                         $objDrawing[$i]->setPath('./upload/'.$vs['user_choose']);
                         $objDrawing[$i]->setPath('./upload/'.$vs['user_choose']);
-                        // 设置宽度高度
-                        $objDrawing[$i]->setHeight(100);//照片高度
+                        // 设置宽度
                         $objDrawing[$i]->setWidth(100); //照片宽度
                         $objDrawing[$i]->setWidth(100); //照片宽度
                         /*设置图片要插入的单元格*/
                         /*设置图片要插入的单元格*/
                         $objDrawing[$i]->setCoordinates($vs['cell'].$i);
                         $objDrawing[$i]->setCoordinates($vs['cell'].$i);