3.Struts的<action input=""></action>:Action

本文介绍了一个使用Struts框架实现的登录Action类。该类继承自Struts的Action基类,实现了execute方法来处理用户的登录请求。具体流程包括从表单获取用户名和密码,调用UserManager进行验证,并根据验证结果跳转到相应的页面。

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package com.bjpowernode.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * 登录Action
 * 负责取得表单数据、调用业务逻辑、返回转向信息
 * 
 * @author Administrator
 *
 */
public class LoginAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		LoginActionForm laf = (LoginActionForm)form;
		String username = laf.getUsername();
		String password = laf.getPassword();
		
		UserManager userManager = new UserManager();
		try {
			userManager.login(username, password);
			request.getSession().setAttribute("username", username);
			return mapping.findForward("success");
		}catch(UserNotFoundException e) {
			e.printStackTrace();
			request.setAttribute("msg", "用户不能找到,用户名称=【" + username + "】");
		}catch(PasswordErrorException e) {
			e.printStackTrace();
			request.setAttribute("msg", "密码错误");
		}
		return mapping.getInputForward();
	}

}

<?xml version="1.0" encoding="UTF-8" ?> <!-- /* * $Id: struts-plugin.xml 722219 2008-12-01 20:41:26Z musachy $ * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ --> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN" "http://struts.apache.org/dtds/struts-2.5.dtd"> <struts> <bean class="com.inc.sbu.view.FreeMarkerPageFilter" static="true" optional="true"/> <constant name="struts.ognl.allowStaticMethodAccess" value="true" /> <constant name="struts.convention.relative.result.types" value="freemarker,dispatcher"/> <constant name="struts.convention.action.mapAllMatches" value="true"/> <constant name="struts.convention.package.locators" value="web,action" /> <constant name="struts.convention.default.parent.package" value="yk-default"/> <constant name="struts.convention.result.path" value="/pages"/> <constant name="struts.convention.result.flatLayout" value="true"/> <constant name="struts.i18n.encoding" value="gbk" /> <constant name="struts.i18n.reload" value="false" /> <constant name="struts.devMode" value="false" /> <constant name="struts.serve.static.browserCache" value="false"/> <constant name="struts.configuration.xml.reload" value="false" /> <constant name="struts.custom.i18n.resources" value="globalMessages" /> <constant name="struts.freemarker.manager.classname" value="customFreemarkerManager" /> <constant name="struts.multipart.saveDir" value="/tmp"/> <constant name="struts.multipart.maxSize" value="1000000000" /> <constant name="struts.ui.theme" value="simple"/> <constant name="struts.action.extension" value="xhtml,,json" /> <constant name="struts.enable.DynamicMethodInvocation" value="true"/> <package name="yk-default" extends="struts-default"> <result-types> <result-type name="jasper" class="org.apache.struts2.views.jasperreports.JasperReportsResult"/> <result-type name="json" class="org.apache.struts2.json.JSONResult"/> </result-types> <interceptors> <interceptor class="com.inc.sbu.struts.AuctionInterceptor" name="auctionInterceptor"/> <interceptor class="com.inc.sbu.struts.TokenInterceptor" name="incTokenInterceptor"/> <interceptor class="com.inc.sbu.struts.WorkFlowInterceptor" name="incFlowInterceptor"/> <interceptor class="com.inc.sbu.util.FileUploadInterceptor" name="fileUploadInterceptor"/> <interceptor class="com.inc.sbu.struts.ClewInterceptor" name="clewInterceptor"/> <interceptor-stack name="bidStack"> <interceptor-ref name="exception"/> <interceptor-ref name="alias"/> <interceptor-ref name="servletConfig"/> <interceptor-ref name="prepare"/> <interceptor-ref name="profiling"/> <interceptor-ref name="staticParams"/> <interceptor-ref name="actionMappingParams"/> <interceptor-ref name="params"> <param name="excludeParams">dojo\..*,^struts\..*</param> </interceptor-ref> <interceptor-ref name="conversionError"/> <interceptor-ref name="auctionInterceptor"/> </interceptor-stack> <interceptor-stack name="subStack"> <interceptor-ref name="exception"/> <interceptor-ref name="alias"/> <interceptor-ref name="servletConfig"/> <interceptor-ref name="i18n"/> <interceptor-ref name="prepare"/> <interceptor-ref name="chain"/> <interceptor-ref name="profiling"/> <interceptor-ref name="scopedModelDriven"/> <interceptor-ref name="fileUploadInterceptor"/> <interceptor-ref name="fileUpload"/> <interceptor-ref name="checkbox"/> <interceptor-ref name="staticParams"/> <interceptor-ref name="actionMappingParams"/> <interceptor-ref name="params"> <param name="excludeParams">dojo\..*,^struts\..*</param> </interceptor-ref> <interceptor-ref name="conversionError"/> <interceptor-ref name="validation"> <param name="excludeMethods">input,inputxy,back,cancel,browse</param> </interceptor-ref> <interceptor-ref name="clewInterceptor"> <param name="excludeMethods">login,loginManager,logout,index</param> </interceptor-ref> <interceptor-ref name="incTokenInterceptor"/> </interceptor-stack> </interceptors> <default-interceptor-ref name="subStack"/> <global-results> <result name="invalid.token">/pages/error/repeat-submit.jsp</result> <result name="clew" type="dispatcher">/pages/clew.jsp</result> <result name="manage-clew" type="dispatcher">/pages/manage-clew.jsp</result> <result name="auction-clew" type="dispatcher">/pages/auction-clew.jsp</result> <result name="syserror" type="dispatcher">/pages/error.jsp</result> <result name="validerror" type="dispatcher">/pages/error.jsp</result> <result name="frontpurviewerror" type="dispatcher">/pages/error/frontpurviewerror.jsp</result> <result name="frontloginerror" type="dispatcher">/pages/error/frontpurviewerror.jsp</result> <result name="fronterror" type="dispatcher">/pages/error/frontticketerror.jsp</result> <result name="filenotfound" type="dispatcher">/pages/error/filenotfound.jsp</result> <result name="login" type="redirect">/login</result> <result name="adminLogin" type="dispatcher">/login.jsp</result> <result name="login" type="redirect">/login</result> <result name="entran" type="redirect">/entran</result> <!-- <result name="adminLogin" type="dispatcher">/login.jsp</result> --> <result name="auctionAdminError" type="redirect">/auction/adminLogin</result> <result name="auctionActorError" type="redirect">/auction/login</result> </global-results> </package> <!-- Overwrite Convention --> </struts> 我现在需要重写fileUpload,即不再使用fileUpload的拦截器,需要怎么配置
08-01
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