Struts1.x HelloWord

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目录结构

web.xml文件

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.5" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/WEB-INF/struts-config.xml</param-value> </init-param> <init-param> <param-name>debug</param-name> <param-value>3</param-value> </init-param> <init-param> <param-name>detail</param-name> <param-value>3</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list></web-app>

sturts-config.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd"><struts-config> <data-sources /> <form-beans>  <form-bean name="user" type="com.wj.pojo.User"></form-bean> <form-bean name="productForm" type="org.apache.struts.validator.DynaValidatorForm"> <form-property name="productName" type="java.lang.String"></form-property> <form-property name="productPrice" type="java.lang.Double"></form-property> <form-property name="productDate" type="java.util.Date"></form-property> <form-property name="discription" type="java.lang.String"></form-property></form-bean> </form-beans> <global-exceptions /> <global-forwards /> <action-mappings>  <action path="/login" input="/index.jsp" validate="true" scope="request" parameter="method" type="com.wj.action.LoginAction" > <forward name="tag" path="/tag.jsp"></forward> <forward name="error" path="/error.jsp"></forward> </action> </action-mappings> <message-resources parameter="com.wj.struts.ApplicationResources" /></struts-config>

Action

package com.wj.action;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.wj.pojo.User;public class LoginAction extends DispatchAction{public ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {System.out.println(request.getParameter("userName")+" 开始验证登录.");System.out.println("密码为[ "+request.getParameter("password")+" ]");System.out.println("LoginAction execute()");return super.execute(mapping,form,request,response);}public ActionForward checkLogin(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {System.out.println("开始检查用户是输入是否正确.");return mapping.findForward("error");}public ActionForward toTag(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) throws Exception{List userList = new ArrayList();userList.add("张三");userList.add("李四");userList.add("王五");User user = new User();user.setAge(33);user.setName("赵六");userList.add(user);//设置 Bean到 request环境中request.setAttribute("userList", userList);//跳转到标签库页面return mapping.findForward("tag");}}

Pojo

package com.wj.pojo;import org.apache.struts.action.ActionForm;public class User extends ActionForm{private String name;private int age;public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}}

ApplicationResources.properties

time:properties读取的创建时间:2011-02-20 22:42:00

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"> </head> <body> <form action="login.do?method=checkLogin" method="post"> <input name="userName"/> <input name="password" type="password"/> <input type="submit" value="登录"/> </form><hr/> <a href="login.do?method=toTag" mce_href="login.do?method=toTag"><h2>Struts1.x 标签库</h2></a> </body></html>

tag.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()+ path + "/";%><%@taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean" %><%@taglib uri="http://jakarta.apache.org/struts/tags-logic" prefix="logic" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"> </head> <body> <h1>Struts1.x tag</h1><bean:message key="time" /> <h2>ArrayList 迭代</h2>  <logic:iterate id="user" name="userList" indexId="index" scope="request"> <bean:write name="index"/> : <logic:notEqual value="3" name="index"> <bean:write name="user"/> <br/> </logic:notEqual> <logic:equal value="3" name="index"> name: <bean:write name="user" property="name"/> age: <bean:write name="user" property="age"/> <br/> </logic:equal> </logic:iterate> <hr/> <h2>HashMap 迭代</h2> <%java.util.HashMap countries = new java.util.HashMap();countries.put("country1", "中国");countries.put("country2", "美国");countries.put("country3", "英国");countries.put("country4", "法国");countries.put("country5", "德国");pageContext.setAttribute("countries", countries);%><logic:iterate id="country" name="countries"><bean:write name="country" property="key"/> :<bean:write name="country" property="value"/><br/></logic:iterate><logic:iterate id="country" name="countries">${country.key} : ${country.value}<br/></logic:iterate><hr/><h2>logic:equal</h2><%pageContext.setAttribute("equal",3); %><logic:equal value="3" name="equal"><%pageContext.setAttribute("equal",3); %><br/>logic:equest value="3" name="equal"<br/><u>如果结果通过,就能进入到logic:equal 块中</u></logic:equal><hr/><h2>logic:match</h2><%pageContext.setAttribute("match","Hello Struts taglib Struts"); %><logic:match value="Struts" name="match" location="end">true</logic:match><hr/>  <% pageContext.setAttribute("ExistingString", "teststring"); %> <logic:present name="ExistingString"> ExistingString的值为<bean:write name="ExistingString"/> </logic:present> <logic:notPresent name="ExistingString"> ExistingString的值为<bean:write name="ExistingString"/> </logic:notPresent><hr/><%pageContext.setAttribute("empty", "");%><logic:empty name="empty">empty 为空</logic:empty> </body></html>

error.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> </head> <body> <h1>Error Page</h1> </body></html>