registerservlet.java

主要是用net开发的 用mvc模式 有酒店管理

package com.apache.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 javax.servlet.http.HttpSession;

import com.apache.dao.CheckLogin;
import com.apache.pojo.User;

public class RegisterServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RegisterServlet() {
		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 {

		doPost(request, response);
	}

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

		response.setContentType("text/html;charset=utf-8");
		PrintWriter out = response.getWriter();
		request.setCharacterEncoding("utf-8");
		User user=new User(request.getParameter("loginName"),request.getParameter("password"));
		CheckLogin cl=new CheckLogin();
		if(cl.register(user))
		{
			response.sendRedirect("books.jsp");
		}else
		{
			HttpSession ss=request.getSession();
			ss.setAttribute("registerError","用户名重复，请重新输入！");
			response.sendRedirect("register.jsp");
		}
		out.close();
	}

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

}