regservlet.java

选排课系统功能的设计上

package com.servlet;

import java.io.IOException;

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

import com.bean.RegBean;

public class RegServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RegServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String username = request.getParameter("username");
		String userpwd = request.getParameter("userpwd");
		String shenfen = request.getParameter("shenfen");
		String str = "";
		String sql = "insert into login(username,mima,quanxian) values('"+username+"','"+userpwd+"','"+shenfen+"')";
		RegBean rb = new RegBean();
		int flag = rb.reg(sql,username,shenfen);
		if(flag == 1){
			if(shenfen != null && shenfen.equals("1")){
				str = "jsp/login/xueshengLogin.jsp";
			}
			if(shenfen != null && shenfen.equals("2")){
				str = "jsp/login/laoshiLogin.jsp";
			}
		}
		if(flag == 2){
			str = "jsp/login/reg.jsp";
			request.setAttribute("name","1");
		}
		if(flag == -1){
			str = "jsp/login/reg.jsp";
			if(shenfen != null && shenfen.equals("1")){
				request.setAttribute("xuesheng","1");
			}
			if(shenfen != null && shenfen.equals("2")){
				request.setAttribute("laoshi","1");
			}
		}
		RequestDispatcher rd=request.getRequestDispatcher(str);
        rd.forward(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}