main.java

servlet初学者最好的例子……希望能对大家有所帮助

package servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.RequestDispatcher;

@SuppressWarnings("serial")
public class Main extends HttpServlet {

	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		
		String userID=request.getParameter("userID");
		String password=request.getParameter("password");
		if((userID.equals("guest")&&password.equals("guest")))
		{
			RequestDispatcher dispatcher=getServletConfig().getServletContext().getRequestDispatcher("/loginsuccess");
			dispatcher.forward(request, response);
		}
		else
		{
			RequestDispatcher dispatcher=getServletConfig().getServletContext().getRequestDispatcher("/loginfail");
			dispatcher.forward(request,response);
		}
		
	}

}