4.Struts设置ActionForm为session struts-config.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts-config PUBLIC          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd"><struts-config><form-beans><form-bean name="stepForm" type="com.bjpowernode.struts.StepActionForm" /></form-beans><action-mappings><action path="/start" type="com.bjpowernode.struts.StartAction"name="stepForm" scope="session"><forward name="success" path="/step1.jsp" /></action><action path="/step1" type="com.bjpowernode.struts.Step1Action"name="stepForm" scope="session"><forward name="success" path="/step2.jsp" /></action><action path="/step2" type="com.bjpowernode.struts.Step2Action"name="stepForm" scope="session"><forward name="success" path="/step3.jsp" /></action><action path="/step3" type="com.bjpowernode.struts.Step3Action"name="stepForm" scope="session"><forward name="success" path="/finish.jsp" /></action><action path="/finish" type="com.bjpowernode.struts.FinishAction"name="stepForm" scope="session"><forward name="success" path="/success.jsp" /></action></action-mappings></struts-config>