registservlet.java

该项目为网上书店

package org.myrose.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 org.myrose.beans.Member;
import org.myrose.dao.MemberDAO;


public class RegistServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RegistServlet() {
		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>
	 *
	 * 此方法用来注册用户
	 * 
	 * @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 {

		response.setContentType("text/html;charset=GBK");
		request.setCharacterEncoding("GBK");
		
		String username = request.getParameter("username");
		username = new String(username.getBytes("ISO-8859-1"));
		MemberDAO memberdao = new MemberDAO();
		Member m = null;
		try {
			m = memberdao.findMemberByNamePass(username, null);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		request.setAttribute("username", username);
		
		if(m==null){
			request.setAttribute("flag", "false");
		}else{
			request.setAttribute("flag", "true");
		}
		request.getRequestDispatcher("checkUserName.jsp").forward(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 {

		response.setContentType("text/html;charset=GBK");
		request.setCharacterEncoding("GBK");
		
		String username=request.getParameter("username");
		String truename=request.getParameter("truename");
		String password=request.getParameter("password1");
		String cardNO=request.getParameter("cardNO");
		String cardtype=request.getParameter("cardtype");
		String tel=request.getParameter("tel");
		String city=request.getParameter("city");
		String address=request.getParameter("address");
		String postcode=request.getParameter("postcode");
		String email=request.getParameter("email");
		
		MemberDAO memberdao = new MemberDAO();
		Member member = new Member();
		member = new Member();
		member.setUsername(username);
		member.setTruename(truename);
		member.setPassword(password);
		member.setCardno(cardNO);
		member.setCardtype(cardtype);
		member.setTel(tel);
		member.setCity(city);
		member.setAddress(address);
		member.setPostcode(postcode);
		member.setEmail(email);
		Member m = null;
		try {
			m = memberdao.findMemberByNamePass(username, null);
		} catch (Exception e) {
			e.printStackTrace();
		}
		if(m==null){
			Object obj = null;
			try {
				obj = memberdao.addMember(member);
			} catch (Exception e) {
				e.printStackTrace();
			}
			if(obj == null){
				request.setAttribute("regist", "ok");
				request.getRequestDispatcher("index.aspx").forward(request, response);
			}else{
				request.setAttribute("regist", "no");
				request.setAttribute("member", member);
				request.getRequestDispatcher("register.jsp").forward(request, response);
			}
		}else{
			request.setAttribute("regist", "exist");
			request.setAttribute("member", member);
			request.getRequestDispatcher("register.jsp").forward(request, response);
		}
	}

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

}