struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
    
    <constant name="struts.devMode" value="true" />
    
    <package name="default" namespace="/" extends="struts-default">
    <!-- 如果找不到用户输入的Action，则默认跳转到此Action -->
    <default-action-ref name="index"></default-action-ref>
        <action name="index">
        <result> /index.jsp</result>
        </action>
        
        <action name="login*" class="com.bebig.struts2.user.action.LoginAction{1}">
            <result>
                /user_login_success.jsp
            </result>
            <result name="error">
                /user_login_error.jsp
            </result>
        </action>
    </package>

</struts>