更新代码

app/Models/Freight.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use RuLong\Area\Models\Area;
+
+/**
+ * 邮费模型
+ */
+class Freight extends Model
+{
+    protected $table = 'seller_freights';
+
+    public function seller()
+    {
+        return $this->belongsTo(Seller::class);
+    }
+
+    public function area()
+    {
+        return $this->belongsTo(Area::class);
+    }
+}