最近做项目发现我们公司的项目是用struts1写的，在多方百度下，总有理解了struts1.3的DispatchAction的用法
一：struts.xml文件的配置
<?xml version="1.0" encoding="utf-8" ?><!DOCTYPE struts-config PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"""><struts-config><form-beans><form-bean name="messageBoardFrom"type="com.jobe23.struts.form.message.MessageBoardForm"></form-bean></form-beans><action-mappings><action path="/zc/graduate/index"type="com.jobe23.struts.action.message.MessageBoardAction" name="messageBoardFrom" parameter="action"><forward name="successMsg" path="/zc/graduate/index.jsp" /><forward name="retention" path="/zc/graduate/retention.jsp" /></action></action-mappings></struts-config>二：action的配置
package com.jobe23.struts.action.message;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.apache.struts.actions.DispatchAction;import com.jobe23.dao.message.MessageBoardDAO;import com.jobe23.entity.message.MessageBoard;/** * 专场留言 * @author clyao * @param mapping * @param form * @param request * @param response * @return * @throws Exception */public class MessageBoardAction extends DispatchAction {public ActionForward message(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {MessageBoard mb = new MessageBoard();MessageBoardDAO msgdao = new MessageBoardDAO();List<MessageBoard> msgList = new ArrayList<MessageBoard>();String mobile = request.getParameter("mobile");String msgContent = request.getParameter("msgContent");String specialTitle = request.getParameter("specialTitle");mb.setMobile(mobile);mb.setMsgContent(msgContent);mb.setSpecialTitle(specialTitle);try {if(mobile==null || mobile.equals(null)){}else{msgdao.save(mb);}msgList = msgdao.findAll();request.setAttribute("msgList", hideMobile(msgList));} catch (Exception e) {e.printStackTrace();}return mapping.findForward("successMsg");}}特别注意：这里的类必须继承DispatchAction，否则无法跳转到对应的方法
三：测试一下
:8080/zc/graduate/index.do?action=message
它就会执行对应的message方法
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