从首页开始进行测试
screen.jsp
<%@page import="com.zzw.entity.Bill"%>
<%@page import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>按类型和日期查询账目</title>
</head>
<style type="text/css">
*{margin: 0;padding: 0}
html,body{height: 100%} /*这里很关键*/
.outer-wrap{
/*只有同时为html和body设置height: 100%时，这里的height才生效，
并且随浏览器窗口变化始终保持和浏览器视窗等高*/
height: 100%;
position: relative;
background-image: url('images/01.jpg');
}
.screen-panel{
width: 400px;
height: 300px;
background-image: url('images/05.jpg');
position: absolute;
top: 50%;
left: 50%;
margin-top: -150px;
margin-left: -200px;
}
</style>
<body>
<%
request.setCharacterEncoding("utf-8");
String message=(String)request.getAttribute("message");
if(message!=null){
if(message.equals("error")){
%>
<script type="text/javascript">
alert("操作失败");
</script>
<%
}else if(message.equals("noerror")){
%>
<script type="text/javascript">
alert("操作成功");
</script>
<%
}else{
}
}
%>
<div class="outer-wrap">
<div style="font-size:160px;text-align:center">家庭记账本</div>
<div class="screen-panel">
<a href=index.jsp>返回系统首页</a><br>
<form action="QueryPartBillServlet" method="post" onsubmit="return checkName()">
<div style="text-align:center;color:yellow">
账目类型<select id="btype" name="btype">
<option value="饮食">饮食</option>
<option value="教育">教育</option>
<option value="购物">购物</option>
<option value="医疗">医疗</option>
<option value="收入">收入</option>
<option value="借贷">借贷</option>
<option value="其它">其它</option>
</select>
</div>
<div style="text-align:center;color:yellow">
日期<input type="date" name="bdate"><br/>
</div>
<div style="text-align:center;color:yellow">
<input type="submit" class="btn btn-primary" value="查询"><br/>
</div>
</form>
<script src="jquery-3.4.1.min.js"></script>
<script>
function checkName() {
var date = document.getElementById("bdate");
if (date.value==null||date.value == "") {
alert("请选择日期");
return false;
}
return true;
}
</script>
<table border="1px">
<tr>
<th>账目编号</th>
<th>账目类型</th>
<th>金额</th>
<th>账目日期</th>
</tr>
<%
List <Bill> bills =(List<Bill>) request.getAttribute("bills");
if(bills!=null){
for(Bill bill:bills){
%>
<tr>
<td><%=bill.getBid() %></td>
<td><%=bill.getBtype() %></td>
<td><%=bill.getBmoney() %></td>
<td><%=bill.getBdate() %></td>
<td><a href ="DeleteBillServlet?bid=<%=bill.getBid() %>">删除</a></td>
<td><a href="QueryBillServlet?bid=<%=bill.getBid() %>">查询</a></td>
</tr>
<%
}
}
%>
</table>
</div>
</div>
</body>
</html>
screentype.jsp
<%@page import="com.zzw.entity.Bill"%>
<%@page import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>按类型查询账目</title>
</head>
<style type="text/css">
*{margin: 0;padding: 0}
html,body{height: 100%} /*这里很关键*/
.outer-wrap{
/*只有同时为html和body设置height: 100%时，这里的height才生效，
并且随浏览器窗口变化始终保持和浏览器视窗等高*/
height: 100%;
position: relative;
background-image: url('images/01.jpg');
}
.screen-panel{
width: 400px;
height: 300px;
background-image: url('images/05.jpg');
position: absolute;
top: 50%;
left: 50%;
margin-top: -150px;
margin-left: -200px;
}
</style>
<body>
<%
request.setCharacterEncoding("utf-8");
String message=(String)request.getAttribute("message");
if(message!=null){
if(message.equals("error")){
%>
<script type="text/javascript">
alert("操作失败");
</script>
<%
}else if(message.equals("noerror")){
%>
<script type="text/javascript">
alert("操作成功");
</script>
<%
}else{
}
}
%>
<div class="outer-wrap">
<div style="font-size:160px;text-align:center">家庭记账本</div>
<div class="screen-panel">
<a href=index.jsp>返回系统首页</a><br>
<form action="QueryTypeServlet" method="post" ">
<div style="text-align:center;color:yellow">
账目类型<select id="btype" name="btype">
<option value="饮食">饮食</option>
<option value="教育">教育</option>
<option value="购物">购物</option>
<option value="医疗">医疗</option>
<option value="收入">收入</option>
<option value="借贷">借贷</option>
<option value="其它">其它</option>
</select>
</div>
<div style="text-align:center;color:yellow">
<input type="submit" value="查询"><br/>
</div>
</form>
<table border="1px">
<tr>
<th>账目编号</th>
<th>账目类型</th>
<th>金额</th>
<th>账目日期</th>
</tr>
<%
List <Bill> bills =(List<Bill>) request.getAttribute("bills");
if(bills!=null){
for(Bill bill:bills){
%>
<tr>
<td><%=bill.getBid() %></td>
<td><%=bill.getBtype() %></td>
<td><%=bill.getBmoney() %></td>
<td><%=bill.getBdate() %></td>
<td><a href ="DeleteBillServlet?bid=<%=bill.getBid() %>">删除</a></td>
<td><a href="QueryBillServlet?bid=<%=bill.getBid() %>">查询</a></td>
</tr>
<%
}
}
%>
</table>
</div>
</div>
</body>
</html>
screendate.jsp
<%@page import="com.zzw.entity.Bill"%>
<%@page import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>按日期查询账目</title>
</head>
<style type="text/css">
*{margin: 0;padding: 0}
html,body{height: 100%} /*这里很关键*/
.outer-wrap{
/*只有同时为html和body设置height: 100%时，这里的height才生效，
并且随浏览器窗口变化始终保持和浏览器视窗等高*/
height: 100%;
position: relative;
background-image: url('images/01.jpg');
}
.screen-panel{
width: 400px;
height: 300px;
background-image: url('images/05.jpg');
position: absolute;
top: 50%;
left: 50%;
margin-top: -150px;
margin-left: -200px;
}
</style>
<body>
<%
request.setCharacterEncoding("utf-8");
String message=(String)request.getAttribute("message");
if(message!=null){
if(message.equals("error")){
%>
<script type="text/javascript">
alert("操作失败");
</script>
<%
}else if(message.equals("noerror")){
%>
<script type="text/javascript">
alert("操作成功");
</script>
<%
}else{
}
}
%>
<div class="outer-wrap">
<div style="font-size:160px;text-align:center">家庭记账本</div>
<div class="screen-panel">
<a href=index.jsp>返回系统首页</a><br>
<form action="QueryDateServlet" method="post" onsubmit="return checkName()">
<div style="text-align:center;color:yellow">
日期<input type="date" name="bdate"><br/>
</div>
<div style="text-align:center;color:yellow">
<input type="submit" class="btn btn-primary" value="查询"><br/>
</div>
</form>
<script src="jquery-3.4.1.min.js"></script>
<script>
function checkName() {
var date = document.getElementById("bdate");
if (date.value==null||date.value == "") {
alert("请选择日期");
return false;
}
return true;
}
</script>
<table border="1px">
<tr>
<th>账目编号</th>
<th>账目类型</th>
<th>金额</th>
<th>账目日期</th>
</tr>
<%
List <Bill> bills =(List<Bill>) request.getAttribute("bills");
if(bills!=null){
for(Bill bill:bills){
%>
<tr>
<td><%=bill.getBid() %></td>
<td><%=bill.getBtype() %></td>
<td><%=bill.getBmoney() %></td>
<td><%=bill.getBdate() %></td>
<td><a href ="DeleteBillServlet?bid=<%=bill.getBid() %>">删除</a></td>
<td><a href="QueryBillServlet?bid=<%=bill.getBid() %>">查询</a></td>
</tr>
<%
}
}
%>
</table>
</div>
</div>
</body>
</html>
QueryPartBillServlet.java
package com.zzw.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;
public class QueryPartBillServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html; charset=utf-8");
String type=request.getParameter("btype");
String date=request.getParameter("bdate");
System.out.println(type+date);
IUserService userservice = new UserServiceImpl();
List<Bill> bills=userservice.QueryPart(type,date);
//out对象的获取方法
PrintWriter out = response.getWriter();
request.setAttribute("bills", bills);
request.getRequestDispatcher("screen.jsp").forward(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
QueryTypeServlet.java
package com.zzw.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;
public class QueryTypeServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html; charset=utf-8");
String type=request.getParameter("btype");
IUserService userservice = new UserServiceImpl();
List<Bill> bills=userservice.QueryType(type);
//out对象的获取方法
PrintWriter out = response.getWriter();
request.setAttribute("bills", bills);
request.getRequestDispatcher("screentype.jsp").forward(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
QueryDateServlet.java
package com.zzw.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;
public class QueryDateServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html; charset=utf-8");
String date=request.getParameter("bdate");
IUserService userservice = new UserServiceImpl();
List<Bill> bills=userservice.QueryDate(date);
//out对象的获取方法
PrintWriter out = response.getWriter();
request.setAttribute("bills", bills);
request.getRequestDispatcher("screendate.jsp").forward(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
UserServiceImpl.java
package com.zzw.service.Impl;
import java.util.List;
import com.zzw.dao.IUserDao;
import com.zzw.dao.Impl.UserDaoImpl;
import com.zzw.entity.Bill;
import com.zzw.entity.User;
import com.zzw.service.IUserService;
public class UserServiceImpl implements IUserService{
IUserDao userdao= new UserDaoImpl();
//登录
public boolean Login(User user) {
boolean flag=false;
if(userdao.Login(user.getUname(),user.getUpwd())) {
flag=true;
}
return flag;
}
//注册
public boolean Register(User user) {
boolean flag=false;
if(!userdao.isExist(user.getUname())) {
userdao.Register(user);
flag=true;
}else {
System.out.println("此人已存在");
}
return flag;
}
//根据账号查询用户
public User Query(String uname) {
return userdao.Query(uname);
}
//记账
public boolean AddBill(Bill bill) {
boolean flag=false;
if(userdao.AddBill(bill)) {
flag=true;
}
return flag;
}
//根据账目编号进行删除
public boolean DeleteBill(int bid) {
boolean flag=false;
if(userdao.isExist(bid)) {
userdao.DeleteBill(bid);
flag=true;
}else {
System.out.println("此账目不存在");
}
return flag;
}
//根据账目编号进行修改
public boolean UpdateBill(int bid,Bill bill) {
boolean flag=false;
if(userdao.isExist(bid)) {
userdao.UpdateBill(bid,bill);
flag=true;
}else {
System.out.println("此账目不存在");
}
return flag;
}
//根据账目编号查询账目
public Bill Query(int bid) {
return userdao.Query(bid);
}
//根据消费类型查询账单信息
public List<Bill> QueryType(String btype){
return userdao.QueryType(btype);
}
//根据日期查询账单信息
public List<Bill> QueryDate(String bdate) {
return userdao.QueryDate(bdate);
}
//根据消费类型和日期查询账单信息
public List<Bill> QueryPart(String btype,String bdate) {
return userdao.QueryPart(btype, bdate);
}
//查询全部账单信息
public List<Bill> QueryAll() {
return userdao.QueryAll();
}
}
IUserService.java
package com.zzw.service;
import java.util.List;
import com.zzw.entity.Bill;
import com.zzw.entity.User;
public interface IUserService {
//登录
public boolean Login(User user);
//注册
public boolean Register(User user) ;
//根据账号查询用户
public User Query(String uname) ;
//记账
public boolean AddBill(Bill bill) ;
//根据账目编号进行删除
public boolean DeleteBill(int bid);
//根据账目编号进行修改
public boolean UpdateBill(int bid,Bill bill) ;
//根据账目编号查询账目
public Bill Query(int bid) ;
//根据消费类型查询账单信息
public List<Bill> QueryType(String btype);
//根据日期查询账单信息
public List<Bill> QueryDate(String bdate) ;
//根据消费类型和日期查询账单信息
public List<Bill> QueryPart(String btype,String bdate) ;
//查询全部账单信息
public List<Bill> QueryAll() ;
}
UserDaoImpl.java
package com.zzw.dao.Impl;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.ArrayList;
import com.zzw.dao.IUserDao;
import com.zzw.entity.Bill;
import com.zzw.entity.User;
import com.zzw.utils.DBUtil;
public class UserDaoImpl implements IUserDao{
//注册
public boolean Register(User user) {
String sql="insert into user(uname,upwd,usex) values(?,?,?)" ;
Object [] params= {user.getUname(),user.getUpwd(),user.getUsex()};
return DBUtil.executeUpdate(sql, params);
}
//查询账户是否存在
public boolean isExist(String uname) {
return Query(uname)==null? false:true;
}
//登录
public boolean Login(String uname,String upwd) {
return Query(uname,upwd)==null? false:true;
}
//根据账号查询用户全部信息
public User Query(String uname) {
User user= null;
ResultSet rs = null;
try {
String sql="select * from user where uname =?" ;
Object [] params= {uname};
rs=DBUtil.executeQuery(sql, params);
if(rs.next()) {
String name=rs.getString("uname");
String pwd=rs.getString("upwd");
String sex=rs.getString("usex");
user= new User(name,pwd,sex);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return user;
}
//根据账户密码确定是否存在
public User Query(String uname,String upwd) {
User user= null;
ResultSet rs = null;
try {
String sql="select * from user where uname =? and upwd=?" ;
Object [] params= {uname,upwd};
rs=DBUtil.executeQuery(sql, params);
if(rs.next()) {
String name=rs.getString("uname");
String pwd=rs.getString("upwd");
String sex=rs.getString("usex");
user= new User(name,pwd,sex);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return user;
}
//记账
public boolean AddBill(Bill bill) {
String sql="insert into bill(btype,bmoney,bdate,bremark) values(?,?,?,?)" ;
Object [] params= {bill.getBtype(),bill.getBmoney(),bill.getBdate(),bill.getBremark()};
return DBUtil.executeUpdate(sql, params);
}
//根据账目编号删除账目信息
public boolean DeleteBill(int bid) {
String sql="delete from bill where bid=?" ;
Object [] params= {bid};
return DBUtil.executeUpdate(sql, params);
}
//根据账目编号修改账目信息
public boolean UpdateBill(int bid,Bill bill) {
String sql="update bill set btype =?,bmoney=?,bdate=?,bremark=? where bid =?" ;
Object [] params= {bill.getBtype(),bill.getBmoney(),bill.getBdate(),bill.getBremark(),bid};
return DBUtil.executeUpdate(sql, params);
}
//查询账目是否存在
public boolean isExist(int bid) {
return Query(bid)==null? false:true;
}
//根据账目编号查询账目信息
public Bill Query(int bid) {
Bill bill= null;
ResultSet rs = null;
try {
String sql="select * from bill where bid =? " ;
Object [] params= {bid};
rs=DBUtil.executeQuery(sql, params);
if(rs.next()) {
int id=rs.getInt("bid");
String type=rs.getString("btype");
int money=rs.getInt("bmoney");
String date=rs.getString("bdate");
String remark=rs.getString("bremark");
bill=new Bill(id,type,money,date,remark);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return bill;
}
//根据消费类型查询账单信息
public List<Bill> QueryType(String btype) {
List<Bill> bills = new ArrayList<>();
Bill bill= null;
ResultSet rs=null;
try {
String sql="select * from bill where btype=?" ;
Object [] params= {btype};
rs=DBUtil.executeQuery(sql, params);
while(rs.next()) {
int id=rs.getInt("bid");
String type= rs.getString("btype");
int money=rs.getInt("bmoney");
String date= rs.getString("bdate");
String remark= rs.getString("bremark");
bill= new Bill(id,type,money,date,remark);
bills.add(bill);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return bills;
}
//根据日期查询账单信息
public List<Bill> QueryDate(String bdate) {
List<Bill> bills = new ArrayList<>();
Bill bill= null;
ResultSet rs=null;
try {
String sql="select * from bill where bdate=?" ;
Object [] params= {bdate};
rs=DBUtil.executeQuery(sql, params);
while(rs.next()) {
int id=rs.getInt("bid");
String type= rs.getString("btype");
int money=rs.getInt("bmoney");
String date= rs.getString("bdate");
String remark= rs.getString("bremark");
bill= new Bill(id,type,money,date,remark);
bills.add(bill);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return bills;
}
//根据消费类型和日期查询账单信息
public List<Bill> QueryPart(String btype,String bdate) {
List<Bill> bills = new ArrayList<>();
Bill bill= null;
ResultSet rs=null;
try {
String sql="select * from bill where btype=?and bdate=?" ;
Object [] params= {btype,bdate};
rs=DBUtil.executeQuery(sql, params);
while(rs.next()) {
int id=rs.getInt("bid");
String type= rs.getString("btype");
int money=rs.getInt("bmoney");
String date= rs.getString("bdate");
String remark= rs.getString("bremark");
bill= new Bill(id,type,money,date,remark);
bills.add(bill);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return bills;
}
//查询全部账单信息
public List<Bill> QueryAll() {
List<Bill> bills = new ArrayList<>();
Bill bill= null;
ResultSet rs=null;
try {
String sql="select * from bill " ;
rs=DBUtil.executeQuery(sql, null);
while(rs.next()) {
int id=rs.getInt("bid");
String type= rs.getString("btype");
int money=rs.getInt("bmoney");
String date= rs.getString("bdate");
String remark= rs.getString("bremark");
bill= new Bill(id,type,money,date,remark);
bills.add(bill);
}
}catch(SQLException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
//先开的后关，后开的先关
if(rs!=null)rs.close();
if(DBUtil.pstmt!=null)DBUtil.pstmt.close();
if(DBUtil.connection !=null)DBUtil.connection.close();
}catch(SQLException e) {
e.printStackTrace();
}finally {
}
}
return bills;
}
}
IUserDao.java
package com.zzw.dao;
import java.util.List;
import com.zzw.entity.Bill;
import com.zzw.entity.User;
public interface IUserDao {
//注册
public boolean Register(User user) ;
//查询账户是否存在
public boolean isExist(String uname) ;
//登录
public boolean Login(String uname,String upwd) ;
//根据帐号查询用户全部信息
public User Query(String uname) ;
//记账
public boolean AddBill(Bill bill);
//根据账目编号删除账目信息
public boolean DeleteBill(int bid);
//根据账目编号修改账目信息
public boolean UpdateBill(int bid,Bill bill) ;
//查询账目是否存在
public boolean isExist(int bid) ;
//根据账目编号查询账目信息
public Bill Query(int bid);
//根据消费类型查询账单信息
public List<Bill> QueryType(String btype);
//根据日期查询账单信息
public List<Bill> QueryDate(String bdate) ;
//根据消费类型和日期查询账单信息
public List<Bill> QueryPart(String btype,String bdate) ;
//查询全部账单信息
public List<Bill> QueryAll() ;
}
通过记账功能在数据库中记录如下账目
进入首页
查看全部账目
进入按日期与类型查看账目
点击查询
进入按照类型查询
点击按日期查询
来源：https://www.cnblogs.com/yeyueweiliang/p/12238961.html