我在HABTM关联中遇到了一些麻烦。HABTM加入表中的其他字段
我试图做的是以下几点:
模板HABTM中 页面HABTM中
要做到这一点,我创建了连接表object_media
,并希望它有object_id
,medium_id
和model
领域。页面ID或模板ID将进入object_id
字段,模型将具有“页面”或“模板”。通过这样做,我可以将任何模型与我的中型模型连接起来。 (媒体=媒体,所有图像,视频,文件等保存在那里)。然后,我只需将条件传递给HABTM关系即可获得该特定型号的媒体。例如:ObjectMedium.model => 'Template'
将返回连接到模板的所有媒体。
简而言之:我想要1个表格将任何模型链接到任何媒介。
的template.php
class Template extends AppModel{
public $name = 'Template';
public $hasMany = array(
'TemplateColumn'
);
public $hasAndBelongsToMany = array(
'Medium' => array(
'className' => 'Medium',
'joinTable' => 'object_media',
'foreignKey' => 'object_id',
'associationForeignKey' => 'medium_id'
)
);
}
Medium.php
class Medium extends AppModel{
public $name = 'Medium';
public $useTable = 'media';
public $hasAndBelongsToMany = array(
'Template' => array(
'className' => 'Template',
'joinTable' => 'object_media',
'foreignKey' => 'medium_id',
'associationForeignKey' => 'object_id'
)
);
}
然而,喂养它下面的数据甚至不会保存介质:
Array
(
[Template] => Array
(
[name] =>
)
[TemplateColumn] => Array
(
[0] => Array
(
[block] => 0
[column] => 0
[grid] => 7
)
[1] => Array
(
[block] => 0
[column] => 1
[grid] => 5
)
[2] => Array
(
[block] => 1
[column] => 0
[grid] => 6
)
[3] => Array
(
[block] => 1
[column] => 1
[grid] => 6
)
)
[Medium] => Array
(
[0] => Array
(
[name] => 7917196b42c3626c10ab024bbafb8171
[src] => 134a16c2202ff2b0c9b1c51dddb1bcfc.jpg
[type] => Image
)
)
这给了我以下查询:
INSERT INTO `templates` (`name`, `modified`, `created`) VALUES ('', '2011-11-20 15:18:46', '2011-11-20 15:18:46')
SELECT `ObjectMedium`.`medium_id` FROM `object_media` AS `ObjectMedium` WHERE `ObjectMedium`.`object_id` = 30
INSERT INTO `template_columns` (`block`, `column`, `grid`, `template_id`, `modified`, `created`) VALUES (0, 0, 7, 30, '2011-11-20 15:18:46', '2011-11-20 15:18:46')
INSERT INTO `template_columns` (`block`, `column`, `grid`, `template_id`, `modified`, `created`) VALUES (0, 1, 5, 30, '2011-11-20 15:18:46', '2011-11-20 15:18:46')
INSERT INTO `template_columns` (`block`, `column`, `grid`, `template_id`, `modified`, `created`) VALUES (1, 0, 6, 30, '2011-11-20 15:18:46', '2011-11-20 15:18:46')
INSERT INTO `template_columns` (`block`, `column`, `grid`, `template_id`, `modified`, `created`) VALUES (1, 1, 6, 30, '2011-11-20 15:18:46', '2011-11-20 15:18:46')
任何发生什么问题的想法?以及如何在连接表中添加模型名称?
可能重复问题/ 6677602/CakePHP的更新 - 超现场上的habtm联接表 – mark