增加Order Model

app/Models/Order.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Order extends BaseModel
+{
+    use HasFactory, SoftDeletes;
+	protected $guarded = ['created_at', 'updated_at']; //不可批量赋值的属性
+
+	public function product()
+	{
+		return $this->belongsTo(Product::class);
+	}
+}