checkoutservlet.java

JAVA Servlet2.3外文书籍源码

package store;

import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;


public class CheckOutServlet extends HttpServlet {

  public void doPost(HttpServletRequest req, HttpServletResponse res)
          throws ServletException, IOException {

    doGetOrPost(req,res);

  }
  public void doGet(HttpServletRequest req, HttpServletResponse res)
          throws ServletException, IOException {

    doGetOrPost(req,res);

  }

  private void doGetOrPost(HttpServletRequest req, HttpServletResponse res)
          throws ServletException, IOException {

    PrintWriter out = res.getWriter();

    String userName = req.getUserPrincipal().getName();
    out.println("<h1>Hello again " + userName + "</h1>");

    // include the cart display, and ask to confirm check out.

    RequestDispatcher dispatcher = req.getRequestDispatcher("/Cart?add=false");
    dispatcher.include(req,res);

    out.println("<br>Please Click Confirm to check out");
    out.println("<form action='confirmed.html'><input type='submit' value='Confirm'></form>");

  }


}