usersessioncountergetter.java
来自「Java程序设计 Jsp/Servlet开发」· Java 代码 · 共 25 行
JAVA
25 行
package ServletApi;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class UserSessionCounterGetter 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);
if (session.isNew() || session.getValue("usersession")==null) {
session.putValue("usersession", new SaveServletStats());
}
SaveServletStats ustats = (SaveServletStats)session.getValue("usersession");
out.println("<HTML><TITLE>SessionCounter</TITLE><BODY>");
out.println("<H4>SessionCounter - UserSessionCounterGetter servlet</H4>");
out.println("<B>" + ustats.calledCount + "</B> times since the UserSessionCounter servlet was loaded by this user<BR>");
out.println("</BODY></HTML>");
out.close();
}
}
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