Question

我使用的是Laravel 5.3，我试图将HasManyThrought关系与where声明一起使用，但我不知道如何实现这一目标。

所以我有这些表：

Users:
+----+-------+
| id | name  |
+----+-------+
| 1  | James |
+----+-------+

Orders:
+----+---------+------------+
| id | user_id | state      |
+----+---------+------------+
| 1  | 1       | complete   |
+----+---------+------------+
| 2  | 1       | incomplete |
+----+---------+------------+
| 3  | 1       | pending    |
+----+---------+------------+

Order Items:
+----+----------+--------+
| id | order_id | name   |
+----+----------+--------+
| 1  | 1        | Mac    |
+----+----------+--------+
| 2  | 1        | Tablet |
+----+----------+--------+
| 3  | 2        | Laptop |
+----+----------+--------+

现在我想获取用户的订单商品，所以我会做这样的事情：

public function items()
{
    $this-hasManyThrough(Item::class, Order::class)
}

但是！如果我想提取仅他们的订单被列为complete的商品？

Answer 1

如果您希望获得@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_rva); //initialize// mSidewalk = (CardView) findViewById(R.id.rva_CV); //listen to cardview click ------------(done change here) mSidewalk.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(RVA. this, RVA_Detail.class); startActivity(intent); } });州的所有经过身份验证的用户，请使用whereHas()方法：

complete

不要忘记在$items = Item::whereHas('order', function($q) { $q->where('state', 'complete') ->where('user_id', auth()->user()->id); })->get();模型中定义order()关系：

Item

Laravel HasManyThrough带有where

1 个答案: