register.java

该系统采用B/S架构设计的一个小型的通讯录系统

package servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import Bean.users;
import DAO.dao;

public class Register extends HttpServlet {

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

		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		String userid = request.getParameter("userid");
		String password = request.getParameter("password");
		String sex = request.getParameter("sex");
		String jiaose = request.getParameter("jiaose");
		users users = new users();
		users.setUserid(userid);
		users.setPassword(password);
		users.setSex(sex);
		users.setJiaose(jiaose);
		dao dao = new dao();
		int n = dao.register(users);
		if(n>0){
			out.print("<script type='text/javascript'> window.alert('恭喜你注册成功');</script>");
			request.getRequestDispatcher("/login.jsp").include(request, response);
		}else{
			out.print("<script type='text/javascript'> window.alert('很抱歉你注册失败!');</script>");
			request.getRequestDispatcher("/register.jsp").include(request, response);
		}
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}
}