简单的登陆界面
index.jsp
<%@page language="java" contentType=" text/html; charset=GBK"%>
<%@ taglib prefix="s" uri="/struts-tags"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
    <head>
        <title>struts2.demo1</title>
    </head>

    <body>
        <s:form action="login">
            <s:textfield name="username"/>
            <s:password name="password"/>
            <s:submit />
        </s:form>
    </body>
</html>
welcome.jsp
<%@page language="java" contentType=" text/html; charset=GBK"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head><title>struts2.demo1</title></head>
  
  <body>
  欢迎您,<s:property value="username"/>
  </body>
</html>
fail.jsp
<%@page language="java" contentType=" text/html; charset=GBK"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
    <head>
        <title>struts2.demo1</title>
    </head>

    <body>
        登录失败。
    </body>
</html>
LoginAction.java
package com.ming;

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

public class LoginAction extends ActionSupport {
    /**
     * 
     */
    private static final long serialVersionUID = 765268466764775594L;
    private String username;
    private String password;
    private String tip;

    public String getTip() {
        return tip;
    }

    public void setTip(String tip) {
        this.tip = tip;
    }

    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 {
        ActionContext ctx=ActionContext.getContext();
        Integer counter=(Integer) ctx.getApplication().get("counter");
        if(counter==null){
            counter=1;
        }else{
            counter=counter+1;
        }
        ctx.getApplication().put("counter", counter);
        ctx.getSession().put("user", getUsername());
        if(getUsername().equals("ming")&&getPassword().equals("123456")){
            setTip("欢迎您,"+getUsername());
            return SUCCESS;
        }else{
            return ERROR;
        }
    }
}
struts.xml
<?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>

    <constant name="struts.enable.DynamicMethodInvocation" value="false" />
    <constant name="struts.devMode" value="false" />

 



    <package name="default"  extends="struts-default">
        
        <action name="login" class="com.ming.LoginAction">
            <result name="success">/welcome.jsp</result>
            <result name="error">/fail.jsp</result>
        </action>
    </package>

    <!-- Add packages here -->

</struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

    <display-name>Struts Blank</display-name>

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

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

    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>

</web-app>
posted on 2009-11-05 00:05 南朝 阅读(132) 评论(0)  编辑  收藏 所属分类: Struts2

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