我正在为 Magento 开发支付模块。我使用本教程做到了这一点

http://www.magentocommerce.com/wiki/5_-_modules_and_development/payment/create-payment-method-module

我已经创建了文件夹

app/local/Companyname/Cashondelivery/Block
app/local/Companyname/Cashondelivery/Model
app/local/Companyname/Cashondelivery/controller
app/local/Companyname/Cashondelivery/etc
app/local/Companyname/Cashondelivery/helpers

etc/config.xml

    <?xml version="1.0"?>
    <config>
        <modules>
           <Companyname_Cashondelivery>
    <!-- declare module's version information for database updates -->
              <version>0.1.0</version>
           </Companyname_Cashondelivery>
        </modules>

        <global>


    <!-- declare model group for new module -->
            <models>
    <!-- model group alias to be used in Mage::getModel('newmodule/...') -->
                <createorder>
    <!-- base class name for the model group -->
                    <class>Companyname_Cashondelivery_createorder</class>
                </createorder>
            </models>

    <!-- declare resource setup for new module -->
            <resources>
    <!-- resource identifier -->
                <cashondelivery_setup>
    <!-- specify that this resource is a setup resource and used for upgrades -->
                    <setup>
    <!-- which module to look for install/upgrade files in -->
                        <module>Companyname_Cashondelivery</module>
                    </setup>
    <!-- specify database connection for this resource -->
                    <connection>
    <!-- do not create new connection, use predefined core setup connection -->
                        <use>core_setup</use>
                    </connection>
                </cashondelivery_setup>
                <cashondelivery_write>
                    <connection>
                      <use>core_write</use>
                    </connection>
                </cashondelivery_write>
                <cashondelivery_read>
                   <connection>
                    <use>core_read</use>
                  </connection>
                </cashondelivery_read>
            </resources>
        </global>

    <!-- declare default configuration values for this module -->
        <default>
    <!-- 'payment' configuration section (tab) -->
            <payment>
    <!-- 'newmodule' configuration group (fieldset) -->
                <cashondelivery>
    <!-- by default this payment method is inactive -->
                    <active>0</active>
    <!-- model to handle logic for this payment method -->
                    <model>cashondelivery/createorder</model>
    <!-- order status for new orders paid by this payment method -->
                    <order_status>pending</order_status>
    <!-- default title for payment checkout page and order view page -->
                    <title>Companyname</title>                
                </cashondelivery>
             </payment>
        </default>
</config>

app/local/Companyname/Modulename/etc/system.xml

<?xml version="1.0"?>
<config>
   <sections>
        <payment>
            <groups>
                <cashondelivery translate="label" module="cashondelivery">
                    <label>Cash On Delivery</label>
                    <frontend_type>text</frontend_type>
                    <sort_order>10</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_website>1</show_in_website>
                    <show_in_store>1</show_in_store>
                    <!--<comment>[CDATA[<a href="http://celinks.magento.com/authorize_netRegistration" target="_blank">Click here to sign up for an Authorize.net account</a>]]></comment>-->
                    <fields>
                        <active translate="label">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </active>
                        <email_customer translate="label">
                            <label>Email Customer</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>10</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </email_customer>
                        <login translate="label">
                            <label>API Login ID</label>
                            <frontend_type>obscure</frontend_type>
                            <backend_model>adminhtml/system_config_backend_encrypted</backend_model>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </login>

                        <merchant_email translate="label">
                            <label>Merchant's Email</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>11</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </merchant_email>
                        <order_status translate="label">
                            <label>New Order Status</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_order_status_processing</source_model>
                            <sort_order>4</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </order_status>
                        <sort_order translate="label">
                            <label>Sort Order</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>100</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </sort_order>
                        <test translate="label">
                            <label>Test Mode</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>5</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </test>
                        <debug translate="label">
                            <label>Debug</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>6</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </debug>
                        <title translate="label">
                            <label>Title</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </title>

                        <payment_action translate="label">
                            <label>Payment Action</label>
                            <frontend_type>select</frontend_type>
                            <source_model>cashondelivery/createorder</source_model>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </payment_action>
                        <cgi_url>
                            <label>Gateway URL</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>5</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </cgi_url>                        
                        <min_order_total translate="label">
                            <label>Minimum Order Total</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>98</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </min_order_total>
                        <max_order_total translate="label">
                            <label>Maximum Order Total</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>99</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </max_order_total>
                        <allow_partial_authorization translate="label">
                            <label>Allow Partial Authorization</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>110</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </allow_partial_authorization>                     
                        <model>
                        </model>
                    </fields>
                </cashondelivery>
            </groups>
        </payment>
    </sections>
</config>

然后我创建了一个模型类

<?php 
/**
* Our test CC module adapter
*/
class Companyname_Cashondelivery_Model_createorder extends Mage_Payment_Model_Method_Cc
{
    /**
    * unique internal payment method identifier
    *
    * @var string [a-z0-9_]
    */
    protected $_code = 'newmodule';

    /**
     * Here are examples of flags that will determine functionality availability
     * of this module to be used by frontend and backend.
     *
     * @see all flags and their defaults in Mage_Payment_Model_Method_Abstract
     *
     * It is possible to have a custom dynamic logic by overloading
     * public function can* for each flag respectively
     */

    /**
     * Is this payment method a gateway (online auth/charge) ?
     */
    protected $_isGateway               = true;

    /**
     * Can authorize online?
     */
    protected $_canAuthorize            = true;

    /**
     * Can capture funds online?
     */
    protected $_canCapture              = false;

    /**
     * Can capture partial amounts online?
     */
    protected $_canCapturePartial       = false;

    /**
     * Can refund online?
     */
    protected $_canRefund               = false;

    /**
     * Can void transactions online?
     */
    protected $_canVoid                 = true;

    /**
     * Can use this payment method in administration panel?
     */
    protected $_canUseInternal          = true;

    /**
     * Can show this payment method as an option on checkout payment page?
     */
    protected $_canUseCheckout          = true;

    /**
     * Is this payment method suitable for multi-shipping checkout?
     */
    protected $_canUseForMultishipping  = true;

    /**
     * Can save credit card information for future processing?
     */
    protected $_canSaveCc = false;

    /**
     * Here you will need to implement authorize, capture and void public methods
     *
     * @see examples of transaction specific public methods such as
     * authorize, capture and void in Mage_Paygate_Model_Authorizenet
     */        
}
?>

我什至在 app/local/Companyname/Cashondelivery/Helper/Data.php 中创建了一个文件

<?php
class Companyname_Cashondelivery_Helper_Data extends Mage_Core_Helper_Abstract
{
}
?>

但是当我打开 Configuration>Payment Methods 时出现错误

fatal error :在第 516 行的 C:\xampp\htdocs\magento\app\Mage.php 中找不到类 'Mage_Cashondelivery_Helper_Data'

是否需要Helper类。我不知道助手和 Data.php

最佳答案

您的模块需要辅助类的原因是 system.xml 文件中的 module 参数:

<cashondelivery translate="label" module="cashondelivery">

Magento 将 module 参数传递给 Mage::helper() 工厂方法。这又将类 id 完成为 cashondelivery/data。

Mage::helper('cashondelivery');
// identical to Mage::helper('cashondelivery/data');

现在 Magento 通过查找缺少的节点 global/helpers/cashondelivery/class 来检查要使用的类前缀。

到目前为止相当简单，但这里可能会让一些人感到困惑。
如果 Magento 没有找到辅助类前缀，它会尝试通过在类 ID 前加上 mage_ 前缀并附加 _helper 来弥补。< br/=""> 所以这给你 mage_cashondelivery_helper 作为类前缀，mage_cashondelivery_helper_data 作为完整的类名。

自动加载器将其转换为 Mage/Cashondelivery/Helper/Data.php，无法找到，因此您遇到了异常。

除了创建 Companyname_Cashondelivery_Helper_Data 类之外，您还需要将类组映射添​​加到您的 config.xml 文件中，如下所示:

<global>
  <helpers>
    <cashondelivery>
      <class>Companyname_Cashondelivery_Helper</class>
    </cashondelivery>
  </helpers>
</global>

这个类组到类前缀的映射就是您所缺少的。

关于php - Magento 模块 fatal error : Class 'Mage_Cashondelivery_Helper_Data' not found in\xampp\htdocs\magento\app\Mage. php 第 516 行，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/9190044/