urlservlet.java

我们采用了JSP技术为主要手段,本系统采用了多级角色管理：包括系统管理员、系主任

package com.middle.graduate.servlet.student;

import java.io.IOException;
import java.util.Enumeration;

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

public class UrlServlet extends HttpServlet {
	
	private static final long serialVersionUID = -6007306995468083395L;
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("gbk");
		response.setContentType("text/html;charset=gb2312");
		Enumeration e = request.getParameterNames();
		String name = null;
		while(e.hasMoreElements()) {
			name = (String)e.nextElement();
			System.out.println(name);
		}
		String nextPage = null;
		if(name.equals("query_all_topic")) {
			nextPage = "/student/operation/queryalltopic";
		} else if(name.equals("query_selected_topic")) {
			nextPage = "/student/operation/queryselectedtopic";
		} else if(name.equals("change_password")) {
			nextPage = "/student/operation/changepassword";
		} else if(name.equals("quit")) {
			nextPage = "/student/operation/quit";
		}
		ServletContext application = getServletContext();
		RequestDispatcher dispatcher = application.getRequestDispatcher(nextPage);
		dispatcher.forward(request, response);
	}
}