sessionservlet.java

来自「java的一系列产品中包括jsme,jmse,j2ee,本文件提供j2ee实现的」· Java 代码 · 共 56 行

JAVA
56 行
字号 
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class SessionServlet extends HttpServlet{
	Integer counter1;
	int counter2;
	public void init(ServletConfig config) throws ServletException{
		super.init(config);
		counter2=0;
		//set self environment variable		
	}
	
	public void doGet(HttpServletRequest req,HttpServletResponse resp) 
				 throws IOException{
		HttpSession session=req.getSession(true);
		//set the Response Content Type
		resp.setContentType("text/html");
		//obtain a PrintWriter stream to write to.
		PrintWriter out=resp.getWriter();		
		//print out our Text
		out.println("<html><head><title>Session Servlet</title></head><body>");
	  counter1=(Integer)session.getAttribute("session_counter");
		if(counter1==null){
		  counter1=new Integer(1);	
		}else{
		  counter1=new Integer(counter1.intValue()+1);
		}	
		counter2++;
		
		out.println("You have call the page total <b>"+counter2+"</b> times,");
		out.println("<br>includes from all other browser page.");
		
		/*session.setAttribute("session_counter",counter1);		
		out.println("You have call this page <b>"+counter1+"</b> times.");
		
		//out.println("<br>counter2="+counter2);
		out.println("<br>Click <a href="+resp.encodeURL("SessionServlet")+">href</a>");
		out.println("to access the page again");
		
		out.println("<br>session.isNew():&nbsp;&nbsp;"+session.isNew());		
		//Following,demonstrate some of the more common methods in the HttpSession object surrounding sessions:
		out.println("<h4>RequestData:</h4>");
		out.println("Session ID in Request:&nbsp;&nbsp;"+req.getRequestedSessionId());
		out.println("<br>Session ID in Request from Cookie:&nbsp;&nbsp;"+req.getRequestedSessionId());
		out.println("<br>Session ID in Request from URL:&nbsp;&nbsp;"+req.getRequestedSessionId());
		out.println("<br>Valid Session ID:&nbsp;&nbsp;"+req.isRequestedSessionIdValid());
		
		out.println("<h4>Session Data:</h4>");
		out.println("Session ID:&nbsp;&nbsp;"+session.getId());
		out.println("<br>Create Time:&nbsp;&nbsp;"+session.getCreationTime());
		out.println("<br>LastAccessedTime&nbsp;&nbsp;:"+session.getLastAccessedTime());
		*/
		out.println("</body></html>");
	}
}

sessionservlet.java - 源码说明

本页面展示了「java的一系列产品中包括jsme,jmse,j2ee,本文件提供j2ee实现的源代码.」中的 sessionservlet.java 源码文件，采用 Java 编程语言编写，共 56 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫下载站收录了大量与java相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?