Yii2-GridView 中让关联字段带搜索和排序功能示例

2017-02-10 16:42:57 php
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情境要求:

要在订单(Order)视图的gridview中显示出客户(Customer)姓名,并使其具有与其它字段相同的排序和搜索功能。

数据库结构

订单表order含有字段customer_id 与 客户表customer的id字段关联

首先确保在Order Model中包含以下代码:
 

public function getCustomer()
{
  return $this->hasOne(Customer::className(), ['id' => 'customer_id']);
}

用gii会自动生成此代码;

第一步:

在OrderSearch添加一个$customer_name变量
 

class OrderSearch extends Order
{
  public $customer_name; //<=====就是加在这里
}

第二步:

修改OrderSearch中的search函数
 

public function search($params)
{
  $query = Order::find();
  $query->joinWith(['customer']);<=====加入这句
  $dataProvider = new ActiveDataProvider([
    'query' => $query,
  ]);
   
  $dataProvider->setSort([
    'attributes' => [
      /* 其它字段不要动 */  
      /* 下面这段是加入的 */
      /*=============*/
      'customer_name' => [
        'asc' => ['customer.customer_name' => SORT_ASC],
        'desc' => ['customer.customer_name' => SORT_DESC],
        'label' => 'Customer Name'
      ],
      /*=============*/
    ]
  ]); 
 
  if (!($this->load($params) && $this->validate())) {
    return $dataProvider;
  }
 
  $query->andFilterWhere([
    'id' => $this->id,
    'user_id' => $this->user_id,
    'customer_id' => $this->customer_id,
    'order_time' => $this->order_time,
    'pay_time' => $this->pay_time,
  ]);
 
  $query->andFilterWhere(['like', 'status', $this->status]);
   $query->andFilterWhere(['like', 'customer.customer_name', $this->customer_name]) ;//<=====加入这句
   
  return $dataProvider;
}

第三步:

修改order/index视图的gridview
 

<?= GridView::widget([
  'dataProvider' => $dataProvider,
  'filterModel' => $searchModel,
  'columns' => [
    ['class' => 'yii\grid\SerialColumn'],
    'id',
    'customer_id', 
    'status',
    ['label'=>'客户', 'attribute' => 'customer_name', 'value' => 'customer.customer_name' ],//<=====加入这句
    ['class' => 'yii\grid\ActionColumn'],
  ],
]); ?>

原文链接:http://blog.csdn.net/u014086788/article/details/51203341