<?xml version="1.0" encoding="GBK"?>
<!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" />
    <constant name="struts.locale" value="zh_CN" />
    <constant name="struts.custom.i18n.resources" value="msg" />
    <constant name="struts.i18n.encoding" value="gbk" />
        <package name="longin" extends="struts-default">
            <action name="loginAction" class="com.web.strutsDemo.action.LoginAction">
                <result name="success">index.jsp</result>
            </action>
                        <action name="err" class="com.web.strutsDemo.action.ErrorAction">
                <result name="success">err.jsp</result>
            </action>

        </package>
</struts>

------解决方案--------------------
探讨

Java code


public String back() throws Exception {
        return ServletActionContext.getRequest().getRequestURI();

    }



HTML code

<a href="back.action">返回</a>





XML code

<……


------解决方案--------------------
楼主可以抛出一个自定义的异常，然后	
<global-results>
	<result name="myError">/错误.jsp</result>
</global-results>
<global-exception-mappings>
	<exception-mapping result="myError" exception="自定义的异常"/>
</global-exception-mappings>

------解决方案--------------------
<struts>
	<constant name="struts.objectFactory " value="spring"></constant>
	<constant name="struts.i18n.encoding" value="utf-8"></constant>
	<package name="" extends="struts-default" >  
		<action name="login" class="userAction" method="saveUser">
			<result name="success">welcome.jsp</result>
			<result name="error">error.jsp</result>
		</action>
		<action name="userlogin" class="userAction" method="loginUser">
			<result name="success">welcome.jsp</result>
		</action>
  	</package>
</struts>