how to display all the users in table users to my subjects table in add.ctp view

问题

Here is my subjects add.ctp view

<?= $this->Form->create($subject) ?>
<fieldset>
    <legend><?= __('Add Subject') ?></legend>
    <?php
        echo $this->Form->input('math');
        echo $this->Form->input('english');
        echo $this->Form->input('history');
        echo $this->Form->input('science');

       ******this field will display all the users in drop down************* from users table
    ?>
</fieldset>
<?= $this->Form->button(__('Submit')) ?>
<?= $this->Form->end() ?>

****UsersController.php ****

public function index()
{


     $user=  $this->set('users', $this->paginate());

    $this->set('user', $user);
    $this->set('_serialize', ['user']);


}

How to achieve this one please help me...

回答1:

If you want user select box(Dropdown) in the subject add.ctp then you should send all the list of user from add() of SubjectsController.

In subjects add method

public function add()
{
    //Your previous logics      

    $this->loadModel('Users');
    $users=  $this->Users->find('list');

    $this->set('users', $users);
    $this->set('_serialize', ['users']);
    //Your previous logics
}

In your subject add.ctp

<?= $this->Form->create($subject) ?>
<fieldset>
    <legend><?= __('Add Subject') ?></legend>
    <?php
        echo $this->Form->input('math');
        echo $this->Form->input('english');
        echo $this->Form->input('history');
        echo $this->Form->input('science');
        echo $this->Form->input('user_id', ['options' => $users]);
    ?>
</fieldset>
<?= $this->Form->button(__('Submit')) ?>
<?= $this->Form->end() ?>

In your UsersTable(Users Model), add/edit your initialize() as follow

$this->displayField('username');
$this->primaryKey('id');

回答2:

at your Controller

$allUser = $this->Users->find(); // this will be get all user from user table $this->set('allUser', $allUser);
at your View

/**@var array $allUser */// already type of array <?= $this->Form->select('all_user', [ 'multiple' => true, 'value' => $allUser ]); ?>

回答3:

Use $this->Form->select() or $this->Form->input('users', ['options' => array()]);

if you do not want to do foreach loop.

try:

<?= $this->Form->select('users', $users); ?>

来源：https://stackoverflow.com/questions/45830056/how-to-display-all-the-users-in-table-users-to-my-subjects-table-in-add-ctp-view

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php

cakephp

cakephp-3.0