checkaccountservlet.java

使用jsp+Servlet,采用MVC模式,实现了一典型小型电子商务网站的全过程.包括前台和后台的全部功能.适合于初学者学习使用.

package com.eshop.servlet;

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

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.eshop.form.AccountForm;
import com.eshop.service.AccountService;
import com.eshop.vo.Account;



public class CheckAccountServlet extends HttpServlet {

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

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

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost (request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

	Account form=new Account();
	String userid=request.getParameter("userid").trim();
	String password=request.getParameter("password").trim();
	Account account=new Account();
	
	account.setUserid(request.getParameter("userid"));//从表单获得USERID的值		
	account.setPassword(request.getParameter("password"));//从表单获得password的值
	account.setName(request.getParameter("name"));//从表单获得name的值
	account.setPhone(request.getParameter("phone"));//从表单获得phone的值
	account.setEmail(request.getParameter("email"));//从表单获得email的值
	account.setAddr1(request.getParameter("addr1"));//从表单获得addr1的值
	account.setAddr2(request.getParameter("addr2"));//从表单获得addr2的值
	account.setCity(request.getParameter("city"));//从表单获得city的值
	account.setCountry(request.getParameter("country"));//从表单获得country的值
	account.setState(request.getParameter("state"));//从表单获得state的值
	account.setZip(request.getParameter("zip"));//从表单获得zip的值
//	AccountService accountDao=new AccountService();	
	AccountService service=new AccountService();
	boolean flag=service.signon(userid,password);
	if(flag){
		RequestDispatcher requestDispatcher=request.getRequestDispatcher("../account/registerFail.jsp");
		requestDispatcher.forward(request,response);
		
	}
	else{
		//如果不成功跳转到register.jsp
		service.accountSave(account);		
		RequestDispatcher requestDispatcher1=request.getRequestDispatcher("/account/login.jsp");
		requestDispatcher1.forward(request,response);
		}
	}

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

}