webwork

最新推荐文章于 2024-12-12 14:05:15 发布

ahnuwaq5913649

最新推荐文章于 2024-12-12 14:05:15 发布

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文章标签： webwork string login exception action div

本文链接：https://blog.youkuaiyun.com/ahnuwaq5913649/article/details/4160774

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本文介绍了一个使用WebWork框架实现的简单登录系统示例。包括web.xml和xwork.xml配置文件的内容，以及LoginAction类的具体实现。此外还展示了登录页面login.jsp的设计。

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web.xml文件

    <servlet>
        <servlet-name>webwork</servlet-name>
        <servlet-class>
            com.opensymphony.webwork.dispatcher.ServletDispatcher
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>webwork</servlet-name>
        <url-pattern>*.action</url-pattern>
    </servlet-mapping>

xwork.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xwork PUBLIC "-//OpenSymphony Group//XWork 1.0//EN"
"http://www.opensymphony.com/xwork/xwork-1.0.dtd">

<xwork>
    <include file="webwork-default.xml" />
    <package name="default" extends="webwork-default">
        <default-interceptor-ref name="defaultStack" />
        <action name="login" class="webwork.LoginAction">
            <result name="error" type="dispatcher">login.jsp</result>
            <result name="success" type="dispatcher">
                succeed.jsp
            </result>
        </action>
    </package>
</xwork>

action

package webwork;

import com.opensymphony.xwork.Action;
import com.opensymphony.xwork.ActionContext;
import com.opensymphony.xwork.ActionSupport;

public class LoginAction extends ActionSupport {
    private String username;

    private String password;

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

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

    private String msg;

    public String getMsg() {
        return this.msg;
    }

    public String execute() throws Exception {
        boolean isSucceed = false;
        if (username != null) {
            System.out.println("starting.........");
            username = username.trim();
            password = password.trim();
            if (username.equals("") && username.equals("")) {
                isSucceed = false;
                msg = "user or pasaword is null";
            } else {
                isSucceed = true;
            }
            if (isSucceed) {
                if (username.equals("admin") && password.equals("admin")) {
                    isSucceed = true;
                    ActionContext.getContext().getSession().put("username",
                            username);
                    msg = "login succees";
                } else {
                    isSucceed = false;
                    msg = "user or password is wrong";
                }
            }
        } else {
            isSucceed = false;
            msg = "input user and password";
        }
        System.out.println(msg + isSucceed);
        System.out.println("login is over.........");
        if (isSucceed)
            return Action.SUCCESS;
        else
            return Action.ERROR;
    }
}

<%@ taglib uri="/webwork" prefix="ww"%>
<%@ page language="java" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
    <head>
        <title>login</title>
    </head>
    <body bgcolor="#FFFFFF">
        <form action="login.action" method="post">
            <div>
                <span style="width:70;">用户名：</span>
                <span><input type="text" name="username">
                </span>
            </div>
            <div>
                <span style="width:70;">密码：</span>
                <span><input type="password" name="password">
                </span>
            </div>
            <div>
                <span style="width:70;"></span>
                <span><input type="submit">
                </span>
            </div>
            <div style="color:red;">
                <ww:property value="msg" />
            </div>
        </form>
    </body>
</html>