loginservlet.java

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package bookadmin;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import common.MemberBean;
import ConnBean.DBregedit;

public class loginServlet extends HttpServlet{
    private static final String CONTENT_TYPE ="text/html; charset=GB2312";
    //Initialize global variables
    public void init() throws ServletException {
}
    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
           ServletException, IOException {
       response.setContentType(CONTENT_TYPE);
       response.setCharacterEncoding("BG2312");
       request.setCharacterEncoding("GB2312");
       PrintWriter out = response.getWriter();
       HttpSession session = request.getSession();
       String loginName = request.getParameter("userName");
       String loginPassword = request.getParameter("loginPassword");

       MemberBean objMB = new MemberBean();
       objMB.setMemberName(loginName);
       objMB.setPassword(loginPassword);

       DBregedit objLs = new DBregedit();
       if (objLs.SelectUserInfo(objMB)) {

           Vector v = (Vector) objLs.SelectUserLogin(
                   "select * from Member where memberName='" + loginName +"'");
           //session.setAttribute("getCustomerInfo",v);
           System.out.println(v);
           String getid = ((MemberBean) v.get(0)).getMemberuid().toString();
           session.setAttribute("username",loginName);
           session.setAttribute("MemberNo",getid);
           //System.out.println("loginsevlet------"+getid);
           session.setAttribute("finishLogin","true");
           response.sendRedirect("loginSucceed.jsp");
       } else {
           session.setAttribute("finishLogin", "false");
           response.sendRedirect("failPage.jsp");
      }
      out.close();
   }

   //Process the HTTP Post request
   public void doPost(HttpServletRequest request, HttpServletResponse response) throws
           ServletException, IOException {
       doGet(request, response);
   }

   //Clean up resources
   public void destroy() {
}
}