adduserservlet.java

机械工业出版社的《jsp2.0动态网站开发实例指南》的源代码

import AccountsPack.User;

import javax.servlet.http.*;
import java.util.Calendar;
import java.sql.Date;
public class addUserServlet extends HttpServlet{
    public void doPost (HttpServletRequest request,
		       HttpServletResponse response) {
        doGet(request, response);
    }

    public void doGet (HttpServletRequest request,
		       HttpServletResponse response) {
        try {
            User newUser = new User();
            String name = request.getParameter("name");
            if (name == null || "".equals(name) ) {
                request.setAttribute("errorinfo","input a user name please!");
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
                return;
            }
            String password = request.getParameter("password");
            if(password == null || "".equals(password)){
                request.setAttribute("errorinfo","input a user password please!");
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
                return;
            }
            String password2 = request.getParameter("password2");
            if(password2 == null || "".equals(password2)){
                request.setAttribute("errorinfo","repeat your user password please!");
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
                return;
            }
            if(!password.equals(password2)){
                request.setAttribute("errorinfo","password not same!");
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
                return;
            }

            newUser.set_userName(name);
            newUser.set_password(password);
            newUser.set_sex("Male".equals(request.getParameter("gender")));
            newUser.set_card(request.getParameter("card"));
            newUser.set_fromCity(request.getParameter("city"));
            newUser.set_address(request.getParameter("addr"));
            newUser.set_phone(request.getParameter("phone"));
            newUser.set_mobile(request.getParameter("mobile"));

            int birthy = Utils.getBirthYear(request.getParameter("birthyear"));
            int birthm = Utils.getMonth(request.getParameter("birthmonth"));
            int birthd = Utils.getDay(request.getParameter("birthday"));
            if(birthy == -1 || birthm == -1|| birthd == -1){
                String b= "y"+ birthy +"m" + birthm +"d" +birthd;
                request.setAttribute("errorinfo","wrong birthday!"+b);
                getServletConfig().getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
                return;
            }
            Calendar birth = new java.util.GregorianCalendar(birthy, birthm, birthd);
            newUser.set_birthday(new Date(birth.getTime().getTime()));
            newUser.set_email(request.getParameter("email"));

            String result;
            if(newUser.AddToDataCenter()){
                result = "Congratulations, you added an user successfully!";
            }
            else{
                result = "Sorry to tell you that the user can not be accepted! ";
            }
            request.setAttribute("adduserresult",result);
            getServletConfig().getServletContext().getRequestDispatcher("/adduser.jsp").forward(request, response);

        } catch (Exception ex) {
            ex.printStackTrace ();
        }
    }

}