初始化项目

app/Exports/GenericExport.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Exports;
+
+use Illuminate\Support\Collection;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+
+class GenericExport implements FromCollection, WithHeadings
+{
+    protected $data;
+
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    /**
+     * 获取数据集合
+     */
+    public function collection()
+    {
+        return collect($this->data);
+    }
+
+    /**
+     * 设置表头
+     */
+    public function headings(): array
+    {
+        // 第一行作为表头
+        return $this->data[0] ?? [];
+    }
+}