一种不涉及自定义后端模型的更好解决方案.

A better solution that doesn't involve a custom backend model.

config.xml

config.xml

<?xml version="1.0"?>   
<config>
    <modules>
        <Company_Export>
            <version>0.1.0</version>
        </Company_Export>
    </modules>
    <global>
        <models>
            <company_export>
                <class>Company_Export_Model</class>
            </company_export>
        </models>
    </global>
    <default>
        <export>                
            <order>
                <cron_settings>*/5 * * * *</cron_settings>
            </order>
        </export>
    </default>
    <crontab>
        <jobs>                
            <company_export_send_order>
                <schedule>
                    <config_path>export/order/cron_settings</config_path>
                </schedule>
                <run>
                    <model>company_export/observer::exportOrderData</model>
                </run>
            </company_export_send_order>
        </jobs>
    </crontab>
</config>

system.xml

system.xml

<?xml version="1.0"?>
<config>
    <tabs>
        <feedsconfig translate="label" module="export">
            <label>Feeds Configuration</label>
            <sort_order>99999</sort_order>
        </feedsconfig>
    </tabs>
    <sections>
        <export translate="label" module="export">
            <label>Export</label>
            <tab>feedsconfig</tab>
            <frontend_type>text</frontend_type>
            <sort_order>10000</sort_order>
            <show_in_default>1</show_in_default>
            <groups>
                <order translate="label">
                    <label>Order</label>
                    <frontend_type>text</frontend_type>
                    <sort_order>2</sort_order>
                    <show_in_default>1</show_in_default>
                    <fields>
                         <cron_settings>
                            <label>How often do you want the cron to run?</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>40</sort_order>
                            <comment>Use Crontab Format (Eg. "*/5 * * * *" for every 5 minutes)</comment>
                            <show_in_default>1</show_in_default>
                        </cron_settings>
                    </fields>
                </order>
            </groups>
        </export>
    </sections>
</config>