Servlet實現訪問次數的例子

//ShowTimesServlet.java /*Servlet實現訪問次數的例子!*/
import java.io.*;
import java.util.zip.*;
import javax.servlet.*;
import javax.servlet.http.*;
/*
 這個類實現訪問次數。顯示訪問次數！看是第幾次訪問！
*/
public class ShowTimesServlet extends HttpServlet {

 public void doGet(HttpServletRequest request,HttpServletResponse response)
               throws ServletException, java.io.IOException {

            response.setContentType("text/html");
   HttpSession session = request.getSession();
   String heading;
   Integer access(小型網站之最愛)Count =(Integer)session.getAttribute("access(小型網站之最愛)Count");
   if(access(小型網站之最愛)Count == null) {
    access(小型網站之最愛)Count = new Integer(0);
    heading = "Welcom,You are first time to visit!";
   }
   else {
    heading = "Welcome Backer";
    access(小型網站之最愛)Count = new Integer(access(小型網站之最愛)Count.intValue()+1);
   }
      session.setAttribute("access(小型網站之最愛)Count",access(小型網站之最愛)Count);
   PrintWriter out = response.getWriter();
   out.println("The title:"+heading);
   out.println("access(小型網站之最愛) count: "+access(小型網站之最愛)Count);
 }

 public void doPost(HttpServletRequest request,HttpServletResponse response)
               throws ServletException, java.io.IOException {
  doGet(request,response);
 }

}