strus2_Demo

2019-02-24 17:53:06 作者：互联网

UserAction

package net.wanho.struts;

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

import java.util.Map;

public class UserAction extends ActionSupport {

    private String username;

    public String getUsername() {
        return username;
    }

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

    @Override
    public String execute() throws Exception {

        ActionContext ac = ActionContext.getContext();

        Map<String, Object> request = ac.getContextMap();
        Map<String, Object> session = ac.getSession();
        Map<String, Object> application = ac.getApplication();
        //存数据
        request.put("requestData", "requestData111_ActionContext----"+username);
        session.put("sessionData", "sessionData222_ActionContext");
        application.put("applicationData", "applicationData333_ActionContext");
        return SUCCESS;
    }
}

struts.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
        "http://struts.apache.org/dtds/struts-2.5.dtd">

<struts>
    <package name="default" extends="struts-default" namespace="/">
        <action name="login" class="net.wanho.struts.UserAction">
            <result name="success">success.jsp</result>
        </action>
    </package>
</struts>

success.jsp

<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2018/9/12
  Time: 11:20
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    hh
    ${requestScope.requestData }<br>
    ${sessionScope.sessionData }<br>
    ${applicationScope.applicationData }<br>
</body>
</html>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <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>
</web-app>

访问路径：localhost:8080/login?username=xxx

标签：username,Map,ac,String,Demo,strus2,ActionContext,public
来源： https://blog.csdn.net/azhuqinglong/article/details/87905576