Struts-servletapi-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_36024609/article/details/78309710

package cn.happy.Struts03;  
  
import com.opensymphony.xwork2.Action;  
import com.opensymphony.xwork2.ActionContext;  
import com.opensymphony.xwork2.util.ValueStack;  
import org.apache.struts2.ServletActionContext;  
import org.apache.struts2.interceptor.ServletRequestAware;  
import org.apache.struts2.util.ServletContextAware;  
  
import javax.servlet.ServletContext;  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpSession;  
import java.util.Map;  
  
/** 
 * Created by linlin on 2017/10/22. 
 */  
public class LoginAction implements Action ,ServletRequestAware,ServletContextAware{  
    private HttpServletRequest request;  
    private ServletContext servletContext;  
    public String execute() throws Exception {  
        System.out.println("==============");  
       //  HttpSession session=request.getSession();  
  
     //   HttpSession session = ServletActionContext.getRequest().getSession();  
           // session.setAttribute("username","张三");  
  
       ActionContext context = ActionContext.getContext();  
        Map<String, Object> map = context.getSession();  
        map.put("uname","hhh99");  
//  
      /*  HttpServletRequest request = ServletActionContext.getRequest(); 
        ValueStack vs= (ValueStack)request.getAttribute("struts.valueStack"); 
        vs.push(map);*/  
  
        //放入值栈  
/*        ValueStack valueStack = ActionContext.getContext().getValueStack(); 
        valueStack.push(map);*/  
  
        //servlet  Context  
        ServletContext servletContext = ServletActionContext.getServletContext();  
       // session.setAttribute("unsame","admin");  
        servletContext.setAttribute("userna","Servlet Context 00000000");  
  
            return SUCCESS;  
  
    }  
  
    public void setServletRequest(HttpServletRequest httpServletRequest) {  
        this.request=httpServletRequest;  
    }  
  
    public HttpServletRequest getRequest() {  
        return request;  
    }  
  
    public void setRequest(HttpServletRequest request) {  
        this.request = request;  
    }  
  
    public void setServletContext(ServletContext servletContext111) {  
        this.servletContext = servletContext111;  
    }  
}

<%@ taglib prefix="s" uri="/struts-tags" %>  
<%--  
  Created by IntelliJ IDEA.  
  User: linlin  
  Date: 2017/10/22  
  Time: 9:22  
  To change this template use File | Settings | File Templates.  
--%>  
<%@ page contentType="text/html;charset=UTF-8" language="java" %>  
<html>  
<head>  
    <title>Success</title>  
</head>  
<body>  
<h1>登录</h1>  
<h1><s:property value="#session.username"></s:property> </h1>  
<h1><s:property value="#session.uname"></s:property> </h1>  
<h1><s:property value="uname"></s:property> </h1>  
<h1><s:property value="#session.userna"></s:property> </h1>  
</body>  
</html>