Question

我是cakephp的新手。在此先感谢所有人。我正在使用Cakephp2.8.5版本。我有一个带有输入字段和提交按钮的表单。当我提交表单时，输入字段应该通过数组并存储在名为$totalData的变量中，我想将数组变量$totalData存储在cakephp中的会话变量中。我在Userscontroller的cartData函数中编写了代码。请帮我找出如何声明一个数组并将其存储在cakephp中的会话变量中。我的index.ctp页面：

    <form  method="post" action="<?php echo $this->webroot ?>users/cartData?>""> 
   <table><thead>
          <th>Exam Name</th>
          <th>Venue Name</th>
          <th>Date of Exam</th>

          <th>Price / Course</th>  
          <th>Number of Exams</th>            
          <th>Add to Cart</th> 
         </thead>
         <tbody>
          <tr>      
             <td>
                <select name="course">   
                  <option value="">--Select--</option>            
                  <option value="ITIL Foundation">ITIL Foundation</option>
                  <option value="PMP">PMP</option>
                  <option value="Prince 2 Foundation">Prince 2 Foundation</option>
                </select>           
             </td>    
              <td><input type="text" name="venue" id="venue"></td>        
              <td><input type="text" name="Userdate" id="Userdate" ></td>   

              <td><input type="text" name="txtprice" id="Userdate" ></td>
              <td>
                <select name="num_exams">   
                  <option value="">--Select--</option>            
                  <option value="1">1</option>
                  <option value="2">2</option>
                  <option value="3">3</option>
                </select>           
             </td>
             <td><input type="submit" name="btnSubmit" value="Submit"></td>

         </tr></tbody>

      </table>

My `UsersController.php` page :

<?php
App::uses('CakeEmail', 'Network/Email');
class UsersController extends AppController
{   

  public function cartData()
  {

    if($this->request->is('post')|| $this->request->is('put'))
    { 
       $totalData = array(

        'exam' => $this->Form->input('course'),
        'venue' => $this->Form->input('venue'),
        'date' => $this->Form->input('Userdate'),
        'price' => $this->Form->input('txtprice'),
        'orders' => $this->Form->input('num_exams')

    );

// I have a confusion how to store array values in session variable

     $_SESSION['total_data'][] = $totalData; 



    }


  }
}

Answer 1

始终尽最大努力在所有可能的情况下使用框架。一些非常具体的案例是使用助手的问题，但除此之外，总是尝试使用它们。

<?php
$courseOptions = array(
    'ITIL Foundation' => 'ITIL Foundation', 
    'PMP' => 'PMP',
    'Prince 2 Foundation' => 'Prince 2 Foundation'
); 
$examOptions = array(1,2,3); 
?>
<?=$this->Form->create('User', array('action' => 'cartData'))?>
<table>
    <thead>
        <tr>
            <th>Exam Name</th>
            <th>Venue Name</th>
            <th>Date of Exam</th>
            <th>Price / Course</th>  
            <th>Number of Exams</th>            
            <th>Add to Cart</th> 
        </tr>
    </thead>
    <tbody>
        <tr>      
            <td>
                <?=$this->Form->input('course', array('options' => $courseOptions)?>
            </td>
            <td><?=$this->Form->input('venue')?></td>
            <td><?=$this->Form->input('userdate')?></td>
            <td><?=$this->Form->input('txtprice')?></td>
            <td><?=$this->Form->input('num_exams', array('options' => $examOptions)); ?></td>
            <td><?=$this->Form->submit('Submit')?></td>
        </tr>
    </tbody>
</table>
<?=$this->Form->end()?>

所有表单输入助手都会根据创建的表单创建一个数组。在这种情况下，它会为每个名称生成一个数据[用户] [课程]，并为ID创建一个UserCourse（以第一个输入为例）。

在控制器端，您可以访问$this->request->data上具有该结构的数据数组（即$this->request->data['User']['course']来访问第一个输入值）。

Answer 2

$this->Form->input()是FormHelper的一种方法，它旨在用于视图而不是控制器，以便在$this->Form->create()和$this->Form->end()旁边生成表单输入。

在您的控制器表单中，使用$this->request->data['Model']['fieldname']

访问输入

您可以在视图中执行以下操作

<?php 
$courseOptions = array(
    'ITIL Foundation' => 'ITIL Foundation', 
    'PMP' => 'PMP',
    'Prince 2 Foundation' => 'Prince 2 Foundation'
); 

$examOptions = array('1' => '1', '2' => '2', '3' => '3'); 
echo $this->Form->create('User', array('action' => 'cartData')); 
?>
<table>
    <thead>
        <tr>
            <th>Exam Name</th>
            <th>Venue Name</th>
            <th>Date of Exam</th>
            <th>Price / Course</th>  
            <th>Number of Exams</th>            
            <th>Add to Cart</th> 
        </tr>
    </thead>
    <tbody>
        <tr>      
            <td>
                <?php echo $this->Form->input('course', array('options' => $courseOptions)); ?>
            </td>
            <td><?php echo $this->Form->input('venue'); ?></td>
            <td><?php echo $this->Form->input('userdate'); ?></td>
            <td><?php echo $this->Form->input('txtprice'); ?></td>
            <td><?php echo $this->Form->input('num_exams', array('options' => $examOptions)); ?></td>
            <td><?php echo $this->Form->submit('Submit'); ?></td>
        </tr>
    </tbody>
</table>
<?php echo $this->Form->end(); ?>

然后你可以在你的控制器中做这样的事情

<?php
App::uses('CakeEmail', 'Network/Email');
class UsersController extends AppController
{   
    public function cartData()
    {
        if($this->request->is('post')|| $this->request->is('put'))
        { 
            $totalData = array(
                'exam' => $this->request->data['User']['course'],
                'venue' => $this->request->data['User']['venue'],
                'date' => $this->request->data['User']['userdate'],
                'price' => $this->request->data['User']['txtprice'],
                'orders' => $this->request->data['User']['num_exams']
            );

            $this->Session->write('total_data', $totalData);

            // Alternatively you can do something like this
            $this->Session->write('total_data', $this->request->data['User']);
        }
    }
}

您可能需要启用会话组件，我强烈建议您在食谱中reading the blog tutorial掌握这些常见组件/帮助以及如何访问帖子数据

如何在cakephp中的数组中获取表单输入字段值

2 个答案: