优化导入导出工具栏

src/Tools/ExcelImporter.php

@@ -208,6 +208,15 @@ class ExcelImporter
         return $this->highestRow;
     }
 
+    /**
+     * 获取总列数
+     * @return int
+     */
+    public function getHighestColumn()
+    {
+        return $this->highestColumn;
+    }
+
     /**
      * 返回文件本地地址
      * @return string

src/Tools/Exporter.php

@@ -272,7 +272,7 @@ class Exporter
             'borders' => [
                 'allBorders' => [
                     'borderStyle' => Border::BORDER_THIN,
-                    'color' => ['argb' => '666'],
+                    'color' => ['argb' => '000000'],
                 ],
             ],
             'alignment' => [
@@ -286,6 +286,23 @@ class Exporter
         $this->sheet->getStyle($pRange)->applyFromArray($styleArray);
     }
 
+    /**
+     * 设置列宽
+     * @param int $width 不传为自动宽度
+     */
+    public function setColumnWidth(int $width = null)
+    {
+        $end = $this->sheet->getHighestColumn();
+        $end++;
+        for ($i = 'A'; $i !== $end; $i++) {
+            if ($width) {
+                $this->sheet->getColumnDimension($i)->setWidth($width);
+            } else {
+                $this->sheet->getColumnDimension($i)->setAutoSize(true);
+            }
+        }
+    }
+
     /**
      * 下载导出的文件
      * @param int $downloadType 下载形式 支持 Exporter::DOWNLOAD_TYPE_STREAM Exporter::DOWNLOAD_TYPE_RETURN_FILE_PATH Exporter::DOWNLOAD_TYPE_SAVE_AND_DOWNLOAD