• 我的第一个Struts程序


    1、程序结构

    2、各种文件

    LoginAction.java

    package com.tfj.action;
    
    public class LoginAction {
        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() {
            if (username.equals("tufujie")&&password.equals("123")) {
                return "success";
            } else
                return "error";
        }
    } 

    struts.xml

    <?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
        "http://struts.apache.org/dtds/struts-2.3.dtd">
    
    <struts>
        <package name="login" namespace="/" extends="struts-default">
            <action name="login" class="com.tfj.action.LoginAction" method="execute">
                <result name="success">/WEB-INF/pages/success.jsp</result>
                <result name="error">/WEB-INF/pages/error.jsp</result>
            </action>
        </package>
    </struts>

    error.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>登录失败</title>
    </head>
    <body>
        账号或者密码错误,1秒后返回登录界面
        <br>
        <meta http-equiv="Refresh"
            content="1;url=http://localhost:8888/strutslogin/index.jsp" />
    </body>
    </html>

    success.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>第一个struts2应用</title>
    </head>
    <body>
        欢迎<%=request.getParameter("username")%>登录
    </body>
    </html>

    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>Login</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.jsp</welcome-file>
        </welcome-file-list>
    
    </web-app>

    index.jsp 

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>登录界面</title>
    </head>
    <body>
        <form action="login" method="post">
            账号:<input type="text" name="username"><br /> 密码:<input
                type="password" name="password"><br /> <input type="submit"
                value="登录"> <input type="reset" value="重置" />
        </form>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/tufujie/p/4915999.html
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