reg.java

题库管理及试卷生成系统

package com.gton.servlet.web;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.gton.bean.db.DataBean;
import com.gton.bean.UserBean;

public class Reg extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        DataBean db = new DataBean();
        UserBean ub = new UserBean();
        ub.setUsers_Name(request.getParameter("Users_Name"));
        ub.setUsers_Pwd(request.getParameter("Users_Pwd"));
        if(db.isHasName(ub.getUsers_Name()))
        {
            if (db.regUser(ub)) {
                request.getSession().setAttribute("user", db.getUserBean(ub));
                request.setAttribute("alert", "alert('注册成功');window.opener.location.reload();window.close();");
            } else {
                request.setAttribute("alert", "alert('注册失败');");
            }
        }else
        {
            request.setAttribute("alert", "alert('用户名已经存在,注册失败');");
        }
        db.Close();
        request.getRequestDispatcher("reg.jsp").forward(request, response);

    }

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

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