家庭记账本三

根据自己设计的一些功能，今天还差的就是修改密码和查看账本，一些分类查看。

按月份查找：

按收支查找：

 

 修改密码：

package Servlet;

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

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



import Dao.Dao;
import bean.Usertable;
import bean.Account;



/**
 * Servlet implementation class Servlet
 */
@WebServlet("/Servlet")
public class Servlet extends HttpServlet {
    Dao dao = new Dao();
    Usertable name = new Usertable();
    private static final long serialVersionUID = 1L;
    
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
           req.setCharacterEncoding("utf-8");
           String method = req.getParameter("method");
           System.out.println(method);
           if ("denglu".equals(method)) {//登录
               System.out.println("ok");
               denglucheck(req, resp);
           }
           else if("load".equals(method)) {//查看账单
               System.out.println(method);
               listall(req,resp);
           }
           else if("getuserbyid".equals(method)) {
               System.out.println(method);
               getUserById(req,resp);
           }
           else if("update1".equals(method)) {//修改密码
               System.out.println(method);
               Update1(req,resp);
           }
           else if("update2".equals(method)) {//修改密码
               System.out.println(method);
               Update2(req,resp);
           }
           else if("zhuce".equals(method)) {//注册
               System.out.println(method);
               Adduser(req,resp);
           }
           else if("addaccount".equals(method))//记账
           {
               Addaccount(req,resp);
           }
           else if("time".equals(method))
           {
               time(req,resp);
           }
           else if("mtype".equals(method))
           {
               mtype(req,resp);
           }
       }
       
    private void mtype(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String time="";
        String mtype = request.getParameter("mtype");
        System.out.println(mtype);
        List<Account> account = dao.search(time, mtype);
        request.setAttribute("account", account);
        request.getRequestDispatcher("list.jsp").forward(request, response);
    }

    private void time(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String mtype="";
        String time = request.getParameter("time");
        time = "2019-" + time;
        System.out.println(time);
        List<Account> account = dao.search(time, mtype);
        request.setAttribute("account", account);
        request.getRequestDispatcher("list.jsp").forward(request, response);
    }

    private void Update2(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String username = request.getParameter("name");
        String pwd1 = request.getParameter("pwd1");
        String pwd2 = request.getParameter("pwd2");
        Usertable bean1 = new Usertable(username,pwd1);
        Usertable bean = new Usertable(username,pwd2);
        int a = 0;
        if(dao.getpwdByuser(username).equals(bean1)) {
        if(dao.update(bean)) 
        {
            a = 1;
        }
        }
        request.setAttribute("a", a);
        request.getRequestDispatcher("change_res.jsp").forward(request, response);
    }

    private void Addaccount(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String thing = request.getParameter("thing");
        int money = Integer.valueOf(request.getParameter("money"));
        String mtype = request.getParameter("mtype");
        System.out.println(thing + mtype+money );
        String time = Dao.getNowTime();
        if(mtype.equals("支出"))
            {
                money =0-money;
                mtype = "支出";
            }
        else {mtype = "收入";}
        Account acc = new Account(thing,money,mtype,time);
        Dao.addNote(acc);
        int a = 0;
        //if(Dao.addNote(acc))
        //UUser = Integer.valueOf(request.getParameter("logname"));
        
        request.setAttribute("a", a);
        request.getRequestDispatcher("addacc_res.jsp").forward(request, response);
    }

    private void Adduser(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String username = request.getParameter("logname");
        String pwd = request.getParameter("logpass1");
        String mail = request.getParameter("mail");
        Usertable bean = new Usertable(username,pwd,mail);
        int a = 0;
        if(dao.checkusername(username))
        {
            Dao.addusers(bean);
            a = 1;
        }
        //UUser = Integer.valueOf(request.getParameter("logname"));
        
        request.setAttribute("a", a);
        request.getRequestDispatcher("zhuce_res.jsp").forward(request, response);
        
    }

    private void Update1(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=utf8");
        request.setCharacterEncoding("utf-8");
        response.getWriter().append("Served at: ").append(request.getContextPath());
        String username = name.getUsername();
        System.out.println(username);
        request.setAttribute("username", username);
        request.getRequestDispatcher("change.jsp").forward(request, response);
    }

    private void getUserById(HttpServletRequest req, HttpServletResponse resp) {
        // TODO Auto-generated method stub
        
    }

    private void listall(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException{
        // TODO Auto-generated method stub
        req.setCharacterEncoding("utf-8");
        List<Account> account = dao.list();
        req.setAttribute("account", account);
        req.getRequestDispatcher("list.jsp").forward(req,resp);
    }

    private void denglucheck(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException  {
        // TODO Auto-generated method stub
        resp.setContentType("text/html;charset=utf8");
        req.setCharacterEncoding("utf-8");
        resp.getWriter().append("Served at: ").append(req.getContextPath());
        String username = req.getParameter("logname");
        String pwd = req.getParameter("logpass");
        String t = Dao.getNowTime();
        Usertable bean = new Usertable(username,pwd);
        System.out.println("用户名："+username+"密码："+pwd +"时间：" + t);
        int a = 0;
        if(!dao.checkusername(username))
        {
        Usertable p=dao.getpwdByuser(username);
        if(p.getPwd().equals(pwd))
        {
            a = 1;
            name = bean;
        }
        //UUser = Integer.valueOf(request.getParameter("logname"));
        }
        req.setAttribute("a", a);
        req.setAttribute("username", username);
        req.getRequestDispatcher("panduan.jsp").forward(req, resp);
        req.getRequestDispatcher("top.jsp").forward(req, resp);
    }

    /**
     * @see HttpServlet#HttpServlet()
     */
    public Servlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        response.getWriter().append("Served at: ").append(request.getContextPath());
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}