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struts2学习之一简单范例

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简单范例
1、下载struts2.0.11-all.rar


2、开发环境:myEclipse6.0
                  Servelet container Tomcat6.0

3、工程示例
new-->web project


 

4、手工配置

   1)新建jsp页面login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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 'login.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">
 <!--
 <link rel="stylesheet" type="text/css" href="styles.css">
 -->

  </head>
  
  <body>
  
  <form action="login.action" method="post">
  
  username:<input type="text" name="username"><br>
  password:<input type="password" name="password"><br>
  
  <input type="submit" value="submit">
  
  </form>
  
  </body>
</html>

 


同时在tomcat的server.xml文件中加入<Context path="/struts2" docBase="D:\workspace\struts2\WebRoot" reloadable="true"/>

 

2)配置必要的jar包,拷贝到lib下
common-logging.jar
freemarker.jar
ognl.jar
struts2-core.jar
xwork.jar


3)在WEB-INF目录下的web.xml文件中添加以下过滤器

       <filter>
  <filter-name>struts2</filter-name>
  <filter-class>
   org.apache.struts2.dispatcher.FilterDispatcher
  </filter-class>
 </filter>

 <filter-mapping>
  <filter-name>struts2</filter-name>
  <url-pattern>/*</url-pattern>
 </filter-mapping>

 

 

4)新建类LoginAction


 

package com.test.action;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport
{
 private String username;
 private String password;

 public String getUsername()
 {
  return username;
 }

 public void setUsername(String username)
 {
  this.username = username;
 }

 public String getPassword()
 {
  return password;
 }

 public void setPassword(String password)
 {
  this.password = password;
 }

 
 public String execute() throws Exception
 {
  return "success";
  }

 }

 

5)新建result.jsp
  

...

  <body>
  
   username:${requestScope.username} <br>   

  </body>
   ...

 

 

6)struts.xml文件放在src下

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
 
 <package name="struts2" extends="struts-default">
   
  <action name="login" class="com.test.action.LoginAction">
   
   <result name="success">result.jsp</result>
   
  </action> 
 </package>

</struts>

 

 

7)流程
login.jsp--->提交后---->struts.xml文件中找到name=login的Action-->根据页面上的值和action的set方法,
自动地将值赋给相应的变量--》然后执行action中execute()方法--》根据方法中返回结果跳转到所标识的页面


 

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评论
2 楼 yinvent 2011-08-16  
谢谢,终于找到一个可以用的例子!
1 楼 641216927 2009-08-14  
我还是一个struts2新手。
有个问题请教一下:
同时在tomcat的server.xml文件中加入<Context path="/struts2" docBase="D:\workspace\struts2\WebRoot" reloadable="true"/>

上面这句话是什么意思???

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