loginservlet.java

程序为银行管理系统,分为四个子模块,分别为人事管理系统,计算机管理系统,机构管理系统和bbs论坛

package org.xjtu.bank.compservlet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.xjtu.bank.compdao.bankDAO;
import org.xjtu.bank.compvo.*;

public class loginservlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public loginservlet() {
		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 {

             this.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 {

                String username=request.getParameter("username");
                String password=request.getParameter("password");
                bankDAO dao=new bankDAO();
                Bankvoe vo=new Bankvoe();
                Bankvoe bvo=new Bankvoe();
                List list=new ArrayList();
                vo.setWorkID(username);
                vo.setPassword(password);
                list=dao.login(vo);
                if(list.size()!=0)
                {
                  bvo=(Bankvoe)list.get(0);
                  if(bvo.getDepartment()==4)
                  {
                      request.setAttribute("quanxian", list);
                	  request.getRequestDispatcher("adminindex.jsp").forward(request, response);
                  }
                   else if(bvo.getDepartment()==1)
                   {
                      if(bvo.getUnit().equalsIgnoreCase("长治分行"))
                      {
                       request.setAttribute("quanxian",list);
                      request.getRequestDispatcher("erjiindex.jsp").forward(request, response);
                      }
                     else
                     {
                         request.setAttribute("quanxian",list);
                    	 request.getRequestDispatcher("sanjiindex.jsp").forward(request, response);
                     }
                    }
                   else if(bvo.getDepartment()==2 || bvo.getDepartment()==3)
                   {
                     request.setAttribute("quanxian",list);
                     request.getRequestDispatcher("sijiindex.jsp").forward(request, response);  
                   }
                }
                else   //登陆失败
                {
                  request.getRequestDispatcher("loginfailure.jsp").forward(request, response);
                }
                
	}

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

}