Silverstripe 两个连接表。如何管理？_Silverstripe

Silverstripe 两个连接表。如何管理？

silverstripe

Silverstripe 两个连接表。如何管理？,silverstripe,Silverstripe,我在SS3项目中有这种关系：餐馆有很多菜烹饪很多次看起来很简单，但我似乎找不到任何方法来管理它。尝试了GridField和Listbox。这可能是SilverStripe的限制吗谢谢你的任何线索！ WilsonGridField是管理这种数据结构的完美工具，我每天都这样做由于您的主题，我觉得有必要也提到这一点：它在这里不加入（好的，是的，ORM加入，但不包括餐厅和烹饪以及SubCuisine）。下面的示例将做什么：在单个餐厅上，它将显示美食的列表（网格字段），您可以在其中创建

我在SS3项目中有这种关系：

餐馆有很多菜
烹饪很多次

看起来很简单，但我似乎找不到任何方法来管理它。尝试了GridField和Listbox。这可能是SilverStripe的限制吗

谢谢你的任何线索！

Wilson

GridField是管理这种数据结构的完美工具，我每天都这样做

由于您的主题，我觉得有必要也提到这一点：它在这里不加入（好的，是的，ORM加入，但不包括餐厅和烹饪以及SubCuisine）。
下面的示例将做什么：

在单个
```
餐厅
```
上，它将显示
```
美食
```
的列表（网格字段），您可以在其中创建新的或附加现有的
在单个
```
菜单上
```
将显示
```
子菜单
```
的列表（网格字段），您可以在其中创建新菜单或附加现有菜单

（我假设

餐厅

是一个

页面

，但如果它是一个正常的

数据对象

，它也能正常工作。）

文件

Restaurant.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

courine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

subguisine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

Restaurant.ss

（模板）：

餐厅：$Title 菜系

$Title 亚菜系：

$Title

GridField是管理此类数据结构的完美工具，我每天都会这样做

由于您的主题，我觉得有必要也提到这一点：它在这里不加入（好的，是的，ORM加入，但不包括餐厅和烹饪以及SubCuisine）。
下面的示例将做什么：

在单个
```
餐厅
```
上，它将显示
```
美食
```
的列表（网格字段），您可以在其中创建新的或附加现有的
在单个
```
菜单上
```
将显示
```
子菜单
```
的列表（网格字段），您可以在其中创建新菜单或附加现有菜单

（我假设

餐厅

是一个

页面

，但如果它是一个正常的

数据对象

，它也能正常工作。）

文件

Restaurant.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

courine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

subguisine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

Restaurant.ss

（模板）：

餐厅：$Title 菜系

$Title 亚菜系：

$Title

GridField是管理此类数据结构的完美工具，我每天都会这样做

由于您的主题，我觉得有必要也提到这一点：它在这里不加入（好的，是的，ORM加入，但不包括餐厅和烹饪以及SubCuisine）。
下面的示例将做什么：

在单个
```
餐厅
```
上，它将显示
```
美食
```
的列表（网格字段），您可以在其中创建新的或附加现有的
在单个
```
菜单上
```
将显示
```
子菜单
```
的列表（网格字段），您可以在其中创建新菜单或附加现有菜单

（我假设

餐厅

是一个

页面

，但如果它是一个正常的

数据对象

，它也能正常工作。）

文件

Restaurant.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

courine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

subguisine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

Restaurant.ss

（模板）：

餐厅：$Title 菜系

$Title 亚菜系：

$Title

GridField是管理此类数据结构的完美工具，我每天都会这样做

由于您的主题，我觉得有必要也提到这一点：它在这里不加入（好的，是的，ORM加入，但不包括餐厅和烹饪以及SubCuisine）。
下面的示例将做什么：

在单个
```
餐厅
```
上，它将显示
```
美食
```
的列表（网格字段），您可以在其中创建新的或附加现有的
在单个
```
菜单上
```
将显示
```
子菜单
```
的列表（网格字段），您可以在其中创建新菜单或附加现有菜单

（我假设

餐厅

是一个

页面

，但如果它是一个正常的

数据对象

，它也能正常工作。）

文件

Restaurant.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

courine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

subguisine.php

：

/**
 * @method ManyManyList Cuisines
 */
class Restaurant extends Page {
    private static $many_many = array(
        'Cuisines' => 'Cuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        $return = parent::getCMSFields();
        $return->addFieldToTab('Root', Tab::create('Cuisines', 'The Cuisines'));
        $return->addFieldToTab(
            'Root.Cuisines',
            GridField::create(
                'Cuisines',
                'The Cuisines this Restaurant offers',
                $this->Cuisines(),
                GridFieldConfig_RelationEditor::create()
            )
        );
        return $return;
    }
}

class Restaurant_Controller extends Page_Controller {
}

/**
 * @property string Title
 * @method ManyManyList SubCuisines
 */
class Cuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );
    private static $many_many = array(
        'SubCuisines' => 'SubCuisine',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        if ($this->isInDB()) {
            $grid = GridField::create(
                'SubCuisines',
                'The Sub Cuisines of this Cuisines',
                $this->SubCuisines(),
                GridFieldConfig_RelationEditor::create()
            );
        } else {
            // because this record is not saved to the DB yet, we have no ID, without ID there can be no many_many relation
            $grid = ReadonlyField::create('SubCuisines', '', 'Sub Cuisines can be added after creating');
        }
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
            $grid,
        ));
    }
}

/**
 * @property string Title
 */
class SubCuisine extends DataObject {
    private static $db = array(
        'Title' => 'Varchar(255)',
    );

    /**
     * @return FieldList
     */
    public function getCMSFields() {
        return FieldList::create(array(
            TextField::create('Title', 'Name of Cuisine'),
        ));
    }
}

文件

Restaurant.ss

（模板）：

餐厅：$Title 菜系

$Title 亚菜系：

$Title

在我们关于IRC的对话之后，我们提出了以下替代解决方案，我将在这里发布以供记录

此解决方案与原始答案类似，但有不同之处