如何在 CakePHP 2 中为连接表的 3 树保存数据

How To Save Data in CakePHP 2 for 3 tree like connected tables

我有 3 棵像相连的树 table。他们的架构如下:

Member{
//Some column
}

Transactions{
member_id :: foreign key of member table
//Some other column
}

TransactionItems{
transaction_id :: foreign key of Transaction table
//Some other column
}

我这样定义模型:

class Members extends AppModel {

    public $primaryKey = 'id';
    public $hasOne = array(
        'Transactions' => array(
            'className' => 'Transactions',
            'foreignKey' => 'member_id',
            'dependent' => true
        )
    );

}


class Transactions extends AppModel {

    public $primaryKey = 'id';

    public $belongTo = array('Members');

    public $hasOne = array(
        'TransactionItems' => array(
            'className' => 'TransactionItems',
            'foreignKey' => 'transaction_id',
            'dependent' => true
        )
    );
}


class TransactionItems extends AppModel {

    public $primaryKey = 'id';

    public $belongTo = array('Transactions');

    public $belongsTo = array(
        'Transactions' => array(
            'className' => 'Transactions',
            'foreignKey' => 'transaction_id'
        )
    );


}

我有一个要保存到数据库中的数据数组。我的方案是:

Array(

[Members] = [],//Array
[Transactions] = [],//Array
[TransactionItems] = []//Array

)

问题是每当我运行$this->Members->saveAll($data)。它在 Member 和 Transactions table 中保存数据。但不要在 TransactionItems table 中创建数据。我想一次保存所有 3 tables。

任何帮助将不胜感激。

二级(及以上)关联必须是嵌套的,即数据结构需要是:

array(
    'Members' => array(),
    'Transactions' => array(
        'TransactionItems' => array()
    )
)

有点尴尬,但这就是它在 2.x 中的工作方式。读取数据时可以随时引用返回的结构,保存时需要相同。

此外,您必须将 deep 选项设置为 true 才能保存二级及以上关联(默认情况下仅保存一级关联):

$this->Members->saveAll($data, array('deep' => true));

另见