0

我遇到了一个问题，CakePHP 忽略了保存我指定的字段，而是创建了额外的记录。我正在使用 CakePHP 2.3.6。

我的表如下所示：

CREATE TABLE `events_guests` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `guest_id` int(11) NOT NULL,
  `event_id` int(11) NOT NULL,
  `promoter_id` int(11) DEFAULT NULL,
  `created` datetime NOT NULL,
  `modified` datetime NOT NULL,
  `attended` varchar(15) NOT NULL DEFAULT 'No',
  PRIMARY KEY (`id`)
)

这是代码

public function addGuest($event_id, $promoter_id = null) {
if ($this->request->is('post')) {
                $this->Guest->create();
                $event_data = array('event_id' => $event_id);
                $data = $this->request->data;
                $data['Event'] = $event_data;
                if($promoter_id) {
                    $data['Event']['promoter_id'] = $promoter_id;
                }
                if ($this->Guest->saveAssociated($data)) {
                    $this->Session->setFlash(__('The guest has been added to the guestlist'), 'flash/success');
                } else {
                $this->Session->setFlash(__('The guest could not be saved. Please, try again.'), 'flash/error');
                }

这是我要保存的数据：

Array (
  [Guest] => Array
    (
      [first_name] => Joe
      [last_name] => Schmoe
    )
  [Event] => Array
    (
       [event_id] => 1
       [promoter_id] => 2
    )
)

我的模型如下：

class Guest extends AppModel {
public $hasAndBelongsToMany = array(
        'Event' => array(
            'className' => 'Event',
            'joinTable' => 'events_guests',
            'foreignKey' => 'guest_id',
            'associationForeignKey' => 'event_id',
            'unique' => 'true',
        ), 
        'Promoter' => array(
            'className' => 'Promoter',
            'joinTable' => 'events_guests',
            'foreignKey' => 'guest_id',
            'associationForeignKey' => 'promoter_id',
            'unique' => 'true',
        )
    );
}

和

class Event extends AppModel {
public $hasAndBelongsToMany = array(
        'Guest' => array(
            'className' => 'Guest',
            'joinTable' => 'events_guests',
            'foreignKey' => 'event_id',
            'associationForeignKey' => 'guest_id',
            'unique' => 'keepExisting',
            'order' => 'last_name',
        ),
        'Promoter' => array(
            'className' => 'Promoter',
            'joinTable' => 'events_promoters',
            'foreignKey' => 'event_id',
            'associationForeignKey' => 'promoter_id',
            'unique' => 'keepExisting',
        )
    );
}

结果是 EventsGuests 的 2 条记录，没有promoter_id.

一条记录event_id = 1按预期收到

其他记录接收event_id = 2，实际上是promoter_id

我试过混合使用saveAssociated和saveAll

任何帮助是极大的赞赏！谢谢！

4

1 回答 1

0

参考： Cakephp 在 HABTM 关系中保存额外属性

对于您的问题，请不要使用 HABTM，因为 HABTM 通常用于连接 2 个表。

因此，如果您有超过 2 个字段，请创建一个模型并像belongsTo 和 hasMany关系一样使用它。

class Event extends AppModel {

  $hasMany = array(
    'EventGuest' => array(
      'className' => 'EventGuest',
      'foreignKey' => 'event_id'    
    )
  );

}

class Guest extends AppModel {

  $hasMany = array(
    'EventGuest' => array(
      'className' => 'EventGuest',
      'foreignKey' => 'guest_id'    
    )
  );

}

class Promoter extends AppModel {

  $hasMany = array(
    'EventGuest' => array(
      'className' => 'EventGuest',
      'foreignKey' => 'promoter_id'    
    )
  );

}

现在，你的关系模型。

class EventGuest extends AppModel {

  $belongsTo = array(
    'Event' => array(
      'className' => 'Event',
      'foreignKey' => 'event_id'
    ),
    'Guest' => array(
      'className' => 'Guest',
      'foreignKey' => 'guest_id'
    ),
    'Promoter' => array(
      'className' => 'Promoter',
      'foreignKey' => 'promoter_id'
    )
  );

}

并继续使用您的代码。

public function addGuest($event_id, $promoter_id = null) {
  if ($this->request->is('post')) {
    $this->Guest->create();
    $event_data = array('event_id' => $event_id);
    $data = $this->request->data;
    $data['Event'] = $event_data;
    if($promoter_id) {
      // EDITED
      $data['Promoter']['promoter_id'] = $promoter_id;
    }

    if ($this->Guest->saveAssociated($data)) {
      $this->Session->setFlash(__('The guest has been added to the guestlist'), 'flash/success');
    } else {
      $this->Session->setFlash(__('The guest could not be saved. Please, try again.'), 'flash/error');
    }
  }
}
于 2013-10-03T17:36:41.973 回答