Enhance the excel export feature of model-grid

src/Grid/Exporters/AbstractExporter.php

@@ -70,6 +70,22 @@ public function chunk(callable $callback, $count = 100)
         return $this->grid->getFilter()->chunk($callback, $count);
     }
 
+    /**
+     * @return \Illuminate\Support\Collection
+     */
+    public function getCollection()
+    {
+        return collect($this->getData());
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model
+     */
+    public function getQuery()
+    {
+        return $this->grid->getFilter()->getModel()->getQueryBuilder();
+    }
+
     /**
      * Export data with scope.
      *

src/Grid/Exporters/ExcelExporter.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Encore\Admin\Grid\Exporters;
+
+use Maatwebsite\Excel\Concerns\Exportable;
+use Maatwebsite\Excel\Concerns\FromQuery;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+
+abstract class ExcelExporter extends AbstractExporter implements FromQuery, WithHeadings
+{
+    use Exportable;
+
+    /**
+     * @var string
+     */
+    protected $fileName;
+
+    /**
+     * @var array
+     */
+    protected $headings = [];
+
+    /**
+     * @return array
+     */
+    public function headings(): array
+    {
+        return $this->headings;
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model
+     */
+    public function query()
+    {
+        return $this->getQuery();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function export()
+    {
+        $this->download($this->fileName)->prepare(request())->send();
+
+        exit;
+    }
+}