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