Question

我已经搜索了高低的解决方案，但似乎无法解决这个问题。我想要做的是添加产品，我希望从表单中的输入填充名称字段。因此，名称将包括用户为type_id，category_id和subcategory_id选择的值。有谁知道如何实现这个目标？

添加产品查看页面

    <fieldset>
    <legend><?php echo __('Add Product'); ?></legend>
<?php
    echo $this->Form->input('type_id');
    echo $this->Form->input('category_id', array('label' => 'Vendor'));
    echo $this->Form->input('subcategory_id', array('label' => 'Model'));
    echo $this->Form->input('location', array('label' => 'Location'));
    echo $this->Form->input('sku', array('label' => 'Asset Tag'));
    echo $this->Form->input('mac');
    echo $this->Form->input('description', array('label' => 'Notes'));
    echo $this->Form->input('name', array( 'value' => ['type_id']['category_id']  , 'type' => 'hidden'));
    //echo $this->Form->input('cost');
    // echo $this->Form->input('Tag');
    ?>
    </fieldset>

产品控制器添加功能

    public function add() {
    if ($this->request->is('post')) {
        $this->Product->create();
        if ($this->Product->save($this->request->data)) {
            $this->Session->setFlash(__('The product has been saved'));
            $this->redirect(array('action' => 'index'));
        } else {
            $this->Session->setFlash(__('The product could not be saved. Please, try again.'));
        }
    }
    $subcategories = $this->Product->Subcategory->find('list',array('order'=>'Subcategory.name asc'));
    $categories = $this->Product->Category->find('list',array('order'=>'Category.name asc'));
    $types = $this->Product->Type->find('list',array('order'=>'Type.name asc'));
    $this->set(compact('subcategories', 'categories', 'types'));

}

Answer 1

为了按照您尝试的方式执行此操作，您必须使用客户端javascript来“即时”更新输入值，但这不是很安全且很容易被搞乱。完全删除名称输入并在产品模型的beforeSave方法中处理它（或者通过在保存之前在Controller中定义名称值）来处理它会更有意义。

public function beforeSave($options = array()) {
    // Generate the name based on type and category
    $this->data['Product']['name'] = $this->data['Product']['type_id'] .
                                     $this->data['Product']['category_id'];

    return true;
}

根据您的评论进行更新。

为了获取名称，只需找到这些名称（假设您的模型已关联）并定义：

public function beforeSave($options = array()) {
    // Get the type name
    $type = $this->Type->field('name', array(
        // Set the condition for the field
        'Type.id' => $this->data['Product']['type_id']
    ));

    // Get the category name
    $category = $this->Category->field('name', array(
        // Set the condition for the field
        'Category.id' => $this->data['Product']['category_id']
    ));

    // Generate the name based on type and category
    $this->data['Product']['name'] = $type . $category;

    return true;
}

Cakephp：组合输入值以创建隐藏名称输入

1 个答案: