模型关系设置

app/Models/OrderModal.php

@@ -3,6 +3,8 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 /**
  * 订单表
@@ -13,4 +15,22 @@ class OrderModal extends Model
     protected $table = 'orders';
 
     protected $guarded  = [];
+
+    /**
+     * 用户关联
+     * @return HasOne
+     */
+    public function user()
+    {
+        return $this->hasOne(UserModal::class, 'id', 'user_id');
+    }
+
+    /**
+     * 订单详情
+     * @return HasMany
+     */
+    public function items(): HasMany
+    {
+        return $this->hasMany(OrderItemModal::class, 'order_id', 'id');
+    }
 }