问如何通过控制器在表格中存储表单数据

EN

<form id="orderapproval-item-form" class="orderapproval-hidden" action="<?php echo $this->getUrl('orderapproval/customercart/remarksdecline');?>" method="post">
<input type="text" name="message" class="orderapproval-disabled" value="<?php echo $this->__('Enter decline reason'); ?>" id="decline" />
<input type="submit" value="<?php echo $this->__('Decline'); ?>" onclick="namet()" />

    public function remarksdeclineAction()
    {
       $model =Mage::getModel('OrderApproval/sales_quote_item_order');
$model->setItemcomment($message);
$model->save(); // save data

    }

<?php
class ZetaPrints_OrderApproval_Model_OrderApproval extends Mage_Core_Model_Abstract
{
        public function _construct()
    {
        $this->_init('orderapproval/sales_quote_item_order');
    }
}

<?php
class ZetaPrints_OrderApproval_Model_Resource_OrderApproval extends Mage_Core_Model_Resource_Db_Abstract
{
        public function _construct()
    {
        $this->_init('orderapproval/sales_quote_item_order', 'item_id');
    }
}

<?php
class ZetaPrints_OrderApproval_Model_Resource_OrderApproval_Collection extends Mage_Core_Model_Resource_Db_Collection_Abstract
{
        protected function _constuct(){
 $this->_init('orderapproval/sales_quote_item_order'); 
 }
}

<?xml version="1.0" ?>
<config>
  <modules>
    <ZetaPrints_OrderApproval>
      <version>3</version>
    </ZetaPrints_OrderApproval>
  </modules>

  <global>
    <models>
      <orderapproval>
        <class>ZetaPrints_OrderApproval_Model</class>
        <resourceModel>ZetaPrints_OrderApproval_resource</resourceModel>
      </orderapproval>

      <ZetaPrints_OrderApproval_resource>
         <class>ZetaPrints_OrderApproval_Model_Resource</class>
         <entities>
             <OrderApproval>
               <table>sales_quote_item_order</table>
             </OrderApproval>
          </entities>
    </ZetaPrints_OrderApproval_resource>

      <sales>
        <rewrite>
          <quote>ZetaPrints_OrderApproval_Model_Quote</quote>
        </rewrite>
      </sales>
    </models>

    <blocks>
      <orderapproval>
        <class>ZetaPrints_OrderApproval_Block</class>
      </orderapproval>
    </blocks>

    <helpers>
      <orderapproval>
        <class>ZetaPrints_OrderApproval_Helper</class>
      </orderapproval>
    </helpers>

    <resources>
      <orderapproval_setup>
        <setup>
          <module>ZetaPrints_OrderApproval</module>
          <class>Mage_Eav_Model_Entity_Setup</class>
        </setup>
        <connection>
          <use>Core_setup</use>
        </connection>
      </orderapproval_setup>

      <orderapproval_write>
        <connection><use>Core_write</use></connection>
      </orderapproval_write>

      <orderapproval_read>
        <connection><use>Core_read</use></connection>
      </orderapproval_read>
    </resources>

ZetaPrints/OrderApproval/Model/orderapproval.php



ZetaPrints/OrderApproval/Model/Resource/orderapproval.php
ZetaPrints/OrderApproval/Model/Resource/orderapproval/connection.php