sessiontracker2.java

来自「beginJsp2.0外文书籍源代码」· Java 代码 · 共 60 行

JAVA

60 行

package com.wrox.servlets;

import java.io.*;
import java.util.Date;
import javax.servlet.*;
import javax.servlet.http.*;

public class SessionTracker2 extends HttpServlet 
{
  public void doGet(HttpServletRequest req, HttpServletResponse res)
              throws ServletException, IOException 
  {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    HttpSession session = req.getSession(true);

    Integer totalCount = (Integer) getServletContext().
      getAttribute("com.wrox.servlets.total");

    if (totalCount == null)
    {
      totalCount = new Integer(1);
    }
    else
    {
      totalCount = new Integer(totalCount.intValue() + 1);
    }

    Integer count = (Integer) session.getAttribute("count");

    if (count == null) 
    {
      count = new Integer(1);
    }
    else 
    {
      count = new Integer(count.intValue() + 1);
    }

    session.setAttribute("count", count);
    getServletContext().setAttribute("com.wrox.servlets.total", totalCount);

    out.println("<html><head><title>SessionSnoop</title></head>");
    out.println("<body><h1>Session Details</h1>");
    out.println("You've visited this page " + count + ((count.intValue()
                 == 1) ? " time." : " times.") + "<br/>");
    out.println("Total number of visits:" + totalCount + "<br/>");
    out.println("<h3>Details of this session:</h3>");
    out.println("Session id: " + session.getId() + "<br/>");
    out.println("New session: " + session.isNew() + "<br/>");
    out.println("Timeout: " + session.getMaxInactiveInterval() + "<br/>");
    out.println("Creation time: " + new Date(session.getCreationTime())
                + "<br/>");
    out.println("Last access time: "
                + new Date(session.getLastAccessedTime()) + "<br/>");
    out.println("</body></html>");
  }
}

sessiontracker2.java - 源码说明

本页面展示了「beginJsp2.0外文书籍源代码」中的 sessiontracker2.java 源码文件，采用 Java 编程语言编写，共 60 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。

虫虫开发者社区收录了大量与JSP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?