servlet:import java.io.*;
import java.servlet.*;
import java.servlet.http.*;public class showSession extends HttpServlet{ public void doGet(HttpServletRequest request, HttpSerlvetReponse reponse)
throws ServletException, IOException{
...
HttpSession session = request.getSession(true);
Integer accessCount = (Integer)session.getValue("accessCount");
if (accessCount==null){
accessCount = new Integer(0);
}else {
accessCount = new Integer(accessCount.intValue() + 1);
}
session.putValue("accessCount", accessCount);
} JSP:<%= session.getAttribute("accessCount")>
import java.servlet.*;
import java.servlet.http.*;public class showSession extends HttpServlet{ public void doGet(HttpServletRequest request, HttpSerlvetReponse reponse)
throws ServletException, IOException{
...
HttpSession session = request.getSession(true);
Integer accessCount = (Integer)session.getValue("accessCount");
if (accessCount==null){
accessCount = new Integer(0);
}else {
accessCount = new Integer(accessCount.intValue() + 1);
}
session.putValue("accessCount", accessCount);
} JSP:<%= session.getAttribute("accessCount")>
airwing的回答我也点不懂,谢谢!!!
.......
Vector vc = new Vector();
String temp = rs.getString(?);
vc.addElement(temp);
........
vc.elementAt(?);
...
试试!。