src/com/fhd/servlet/UserServlet.java

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package com.fhd.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.fhd.bean.UserBean;
import com.fhd.dao.UserDao;

public class UserServlet extends HttpServlet {

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		String cmd = request.getParameter("cmd").toString().trim();
		String path = request.getContextPath();
		//String itemsId,userId,accountDate,accountMoney,accountDetails;

		/**************************************add st***************************************/
		if (cmd.equals("add")) {
			String userName = request.getParameter("userName").toString().trim();
			String userTrueName = request.getParameter("userTrueName").toString().trim();
			String userPassword = request.getParameter("userPassword").toString().trim();
			UserBean bean = new UserBean();
			bean.setUserName(userName);
			bean.setUserPassword(userPassword);
			bean.setUserRights(0);
			bean.setUserTrueName(userTrueName);
			boolean flag = UserDao.save(bean);
			if(flag){
				
			}
			response.sendRedirect(path + "/jsps/user/user.jsp");
			return;
		}
		/**************************************add ed***************************************/

		/**************************************edit st**************************************/
		if(cmd.equals("edit")){
			String userName = request.getParameter("userName").toString().trim();
			String userTrueName = request.getParameter("userTrueName").toString().trim();
			String userPassword = request.getParameter("userPassword").toString().trim();
			String userId = request.getParameter("userId");
			UserBean bean = new UserBean();
			bean.setUserName(userName);
			bean.setUserPassword(userPassword);
			bean.setUserRights(0);