Question

我试图在单击按钮后将一个表中的一行数据插入另一个表。我有一个包含班级信息的表。当用户单击注册时，我需要获取该类的ID并将其插入时间表表中。

到目前为止，我正在尝试从POST数据中获取ID。但是，当我运行调试器时，数组中类的ID为空。

我的注册功能：

public function register(){

        $classestimetable = $this->Classestimetable->newEntity();
        if ($this->request->is('post')) {

            $classestimetable->user_id = $this->Auth->user('id');
            $classestimetable->unit_id = $this->request->getData(['id']);
            debug($classestimetable);exit;
            if ($this->Classestimetable->save($classestimetable)) {
                $this->Flash->success(__('The class has been added to your schedule.'));

                return $this->redirect(['action' => 'index']);
            }
            $this->Flash->error(__('The class could not be added. Please, try again.'));
        }

}

表格代码：

<tbody>
     <?php foreach ($units as $unit): ?>
         <tr>
                <td hidden><?= h($unit->id) ?></td>
                <td><?= h($unit->className) ?></td>
                <td><?= h($unit->user->firstName), ' ', h($unit->user->lastName) ?></td>
                <td><?= h($unit->classDate) ?></td>
                <td><?= h($unit->classTime) ?></td>
                <td class="actions"> 
                    <?= $this->Form->postLink(__('Register'), ['action' => 'register', $unit->id], ['confirm' => __('Are you sure you want to register for "{0}"?', $unit->className)]) ?>
                </td>
         </tr>
     <?php endforeach; ?>
</tbody>

调试输出：

object(App\Model\Entity\Classestimetable) {

    'user_id' => (int) 11,
    'unit_id' => null,
    '[new]' => true,
    '[accessible]' => [
        'unit_id' => true,
        'user_id' => true,
        'unit' => true,
        'user' => true
    ],
    '[dirty]' => [
        'user_id' => true,
        'unit_id' => true
    ],
    '[original]' => [],
    '[virtual]' => [],
    '[hasErrors]' => false,
    '[errors]' => [],
    '[invalid]' => [],
    '[repository]' => 'Classestimetable'

}

工作时，我希望unit_id字段包含用户选择注册的类的ID。

Answer 1

您正在使用$this->request->getData(['id'])来获取ID。但是，在您构建的URL中，您尚未命名该参数。可以更改为：

['action' => 'register', 'id' => $unit->id]

或将函数的定义更改为：

public function register($id)

然后使用$classestimetable->unit_id = $id;

Cakephp从表中检索行数据

1 个答案: