退房信息的java代码,退房信息的java代码是什么
Java 求改一段小程序，不用GUI
package com;
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import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
public class Customer
{
public enum Type{
University
}
private long customerId; //客户ID
private String name; //客户姓名
private String address; //客户常用住址
private String telNo; //客户手机号
private long bookDate; //预定日期毫秒数
private long checkInDate; //客户入住日期毫秒数
private long checkOutDate; //客户退房日期毫秒数
private Type type; //客户类型
/** 检查指定客户是否是周末预定*/
public static final boolean checkWeekend(Customer c)
{
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(c.bookDate);
int x = cal.get(Calendar.WEDNESDAY);
return x == Calendar.SATURDAY || x == Calendar.SUNDAY;
}
/** 计算指定客户账单*/
public static final double calcBill(Customer c)
{
switch (c.type)
{
case University:
return calcDuration(c) * 100;
default:
return 0.0;
}
}
/** 计算住店天数*/
public static final int calcDuration(Customer c)
{
return Math.round((c.checkOutDate - c.checkInDate) / (float)(1000 * 60 * 60 * 24));
}
public static final void printQueryedCustomer(long customerId, ListCustomer cs)
{
for(Customer c : cs)
{
if(c.customerId == customerId)
{
System.out.println("name:" + c.name);
System.out.println("address:" + c.address);
System.out.println("telNo:" + c.telNo);
System.out.println("checkInDate:" + c.checkInDate);
System.out.println("checkOutDate:" + c.checkOutDate);
System.out.println("duration:" + calcDuration(c));
}
}
}
private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
private static final long fromDateString(String date)
{//将日期字符串转换成毫秒数
try
{
return sdf.parse(date).getTime();
} catch (ParseException e)
{
e.printStackTrace();
return 0;
}
}
private static final String toDateString(long millsec)
{//将毫秒数转换成日期字符串
return sdf.format(new Date(millsec));
}
public Customer(Type type)
{
customerId = System.currentTimeMillis(); //以对象创建时刻为对象唯一标识
this.type = type;
}
public long getCustomerId()
{
return customerId;
}
public Type getType()
{
return type;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public String getAddress()
{
return address;
}
public void setAddress(String address)
{
this.address = address;
}
public String getTelNo()
{
return telNo;
}
public void setTelNo(String telNo)
{
this.telNo = telNo;
}
public String getBookDate()
{
return toDateString(bookDate);
}
/**
* @param bookDate 比如"2014-01-11 13:55"
*/
public void setBookDate(String bookDate)
{
this.bookDate = fromDateString(bookDate);
}
public String getCheckInDate()
{
return toDateString(checkInDate);
}
/**
* @param bookDate 比如"2014-01-11 13:55"
*/
public void setCheckInDate(String checkInDate)
{
this.checkInDate = fromDateString(checkInDate);
}
public String getCheckOutDate()
{
return toDateString(checkOutDate);
}
/**
* @param bookDate 比如"2014-01-11 13:55"
*/
public void setCheckOutDate(String checkOutDate)
{
this.checkOutDate = fromDateString(checkOutDate);
}
public static void main(String[] args)
{
ListCustomer list = new ArrayListCustomer();
Customer c1 = new Customer(Type.University);
c1.setName("张三");
c1.setAddress("xxx");
c1.setTelNo("000");
c1.setCheckInDate("2014-02-22 12:00");
c1.setCheckOutDate("2014-02-24 12:00");
list.add(c1);
long id = c1.getCustomerId();
Customer c2 = new Customer(Type.University);
c2.setName("李四");
c2.setAddress("PPP");
c2.setTelNo("333");
c2.setBookDate("2014-03-25 10:17");
list.add(c2);
long idx = c2.getCustomerId();
System.out.println("客户" + idx + (checkWeekend(c2)?"是":"不是") + "周末预定");
System.out.println("#############################################");
printQueryedCustomer(id, list);
System.out.println("#############################################");
System.out.println("客户" + id + "的账单是" + calcBill(c1));
}
}
如何用java编写比较完善的宾馆管理系统
package room;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.njit.HelloHotel;
import com.wind.util.DbUtil;
import java.io.UnsupportedEncodingException;
import java.sql.*;
public class roomadd extends JFrame
{
private JTextField roomno,roomcost,roomstatus,roomtype;
//private JComboBox roomtype;
private JButton ok,cancel,return1,chakan;
private Container contain;
public roomadd()
{
super();
this.setSize(350,450);
this.setTitle("添加信息");
this.setLocationRelativeTo(getOwner()); //居中
//设置组件布局
Container contain=getContentPane();
contain.setLayout(new BoxLayout(contain,BoxLayout.Y_AXIS));
//添加组件
JPanel cont=new JPanel (new GridLayout(4,2));
//添加组件
/*cont.add(new JLabel("客房类型"));
roomtype=new JComboBox();
roomtype.addItem("单人间");
roomtype.addItem("双人间");
roomtype.addItem("三人房");
roomtype.addItem("四人间");
cont.add(roomtype);*/
cont.add(new JLabel("客房号"));
roomno=new JTextField(10);
cont.add(roomno);
cont.add(new JLabel("房间类型"));
roomtype=new JTextField(10);
cont.add(roomtype);
cont.add(new JLabel("客房价格"));
roomcost=new JTextField(10);
cont.add(roomcost);
cont.add(new JLabel("客房状态"));
roomstatus=new JTextField(10);
cont.add(roomstatus);
//按钮
JPanel cont1=new JPanel(new FlowLayout());
ok=new JButton("添加");
cancel=new JButton("取消");
chakan=new JButton("查看");
return1=new JButton("返回");
cont1.add(ok);
cont1.add(cancel);
cont1.add(chakan);
cont1.add(return1);
contain.add(cont);
contain.add(cont1);
//注册监听器
ok.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt){
//ok事件处理
DbUtil util = new DbUtil();
Connection con=null;
try {
con = (Connection) util.getCon();
} catch (Exception e2) {
e2.printStackTrace();
}
String sql="insert into room values(?,?,?,?)";
PreparedStatement pstmt = null;
try {
pstmt = (PreparedStatement)con.prepareStatement(sql);
} catch (SQLException e2) {
e2.printStackTrace();
}
try {
pstmt.setString(1,roomno.getText());
pstmt.setString(2,roomtype.getText());
pstmt.setString(3,roomcost.getText());
pstmt.setString(4,roomstatus.getText());
pstmt.executeUpdate();
} catch (SQLException e1) {
e1.printStackTrace();
}
JOptionPane.showMessageDialog(null, " 注册成功！");
}
});
//查看添加的预订信息
chakan.addActionListener(new ActionListener(){
private JTable table;
public void actionPerformed(ActionEvent e) {
if(e.getSource()==chakan){
Connection con = null;
ResultSet rs=null;
DbUtil util = new DbUtil();
String[][] a;
String[] name = { "", "", "", ""};
int row = 0;
try {
con = (Connection) util.getCon();
}
catch (Exception e1) {
e1.printStackTrace();
}
try {
String roomno = null;
rs=(ResultSet) util.sroom(con, roomno);
} catch (Exception e1) {
e1.printStackTrace();
}
try {
while(rs.next()){
row++;
}
a = new String[row + 1][4];
a[0][0] = " 客房号";
a[0][1] = " 客房类型";
a[0][2] = " 客房价格 ";
a[0][3] = " 客房状态";
table = new JTable(a,name);
int i = 0;
String roomno = null;
rs=(ResultSet)util.sroom(con,roomno);
while (rs.next()) {
// 往表中填充查询到的数据
i++;
int j = 0;
table.setValueAt(new String(rs.getString("roomno").getBytes("ISO-8859-1"),"GBK") + "", i, j);
table.setValueAt(new String(rs.getString("roomtype").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);
table.setValueAt(new String(rs.getString("roomcost").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);
table.setValueAt(new String(rs.getString("roomstatus").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);
}
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (UnsupportedEncodingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
JFrame b5=new JFrame("顾客预订信息");
b5.setLayout(new BorderLayout());
b5.add(table);
b5.setBounds(200, 200, 500, 300);
b5.setVisible(true);
b5.setResizable(true);
b5.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
}
});
cancel.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
return1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
HelloHotel hello=new HelloHotel();
hello.setVisible(true);
dispose();
}
});
pack();
}
public static void main(String[] args) {
roomadd w=new roomadd();
w.setVisible(true);
}
}
大概改改就可以是你的需要的了
谁能帮我写一个java 程序 要求如下
包名可修改成你自己的
============================================
package wineshop;
//记录类测试类
public class TestTackeDown {
public static void main(String[] args) {
// 新建一个酒店
Wineshop wineshop = new Wineshop(36687, "天上人间大酒店", "河北腹地");
// 来了一个客户
Client client = new Client("奥巴马", "1109111202478296",
"2012/12/12 8:00", "没想过要退房");
// 客户来了新开一个房间
Room room = new Room(688, "总统套房-单人", wineshop.getId(), 8898);
// 订房记录
new TackeDown(wineshop, room, client);
}
}
// 酒店类
class Wineshop {
// 酒店编号
private int id;
// 酒店名字
private String name;
// 酒店地址
private String adress;
public Wineshop(int id, String name, String adress) {
this.id = id;
this.name = name;
this.adress = adress;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAdress() {
return adress;
}
public void setAdress(String adress) {
this.adress = adress;
}
}
// 房间类
class Room {
// 房间号码
private int roomId;
// 房间类型
private String type;
// 酒店编号
private int wineshopNumber;
// 金额
private int price;
public Room(int roomId, String type, int wineshopNumber, int price) {
this.roomId = roomId;
this.type = type;
this.wineshopNumber = wineshopNumber;
this.price = price;
}
public int getRoomId() {
return roomId;
}
public void setRoomId(int roomId) {
this.roomId = roomId;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public int getWineshopNumber() {
return wineshopNumber;
}
public void setWineshopNumber(int wineshopNumber) {
this.wineshopNumber = wineshopNumber;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
}
// 客户类
class Client {
// 客户姓名
private String name;
// 客户身份证号码
private String identityCard;
// 客户入住时间
private String intoroomtime;
// 客户退房时间
private String outroomtime;
public Client(String name, String identityCard, String intoroomtime,
String outroomtime) {
this.name = name;
this.identityCard = identityCard;
this.intoroomtime = intoroomtime;
this.outroomtime = outroomtime;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getIdentityCard() {
return identityCard;
}
public void setIdentityCard(String identityCard) {
this.identityCard = identityCard;
}
public String getIntoroomtime() {
return intoroomtime;
}
public void setIntoroomtime(String intoroomtime) {
this.intoroomtime = intoroomtime;
}
public String getOutroomtime() {
return outroomtime;
}
public void setOutroomtime(String outroomtime) {
this.outroomtime = outroomtime;
}
}
// 订房记录类
class TackeDown {
public TackeDown(Wineshop wineshop, Room room, Client client) {
// 打印酒店名字
System.out.println("酒店名字:" + wineshop.getName());
// 次房间的酒店编号
System.out.println("此房间的酒店编号:" + room.getWineshopNumber());
// 打印房间ID
System.out.println("房间ID:" + room.getRoomId());
// 打印房间类型
System.out.println("房间类型:" + room.getType());
// 打印酒店地址
System.out.println("酒店地址:" + wineshop.getAdress());
// 打印客户身份证号码
System.out.println("身份证号码:" + client.getIdentityCard());
// 打印订房者姓名
System.out.println("订房者姓名" + client.getName());
// 打印定房者入住时间
System.out.println("入住时间:" + client.getIntoroomtime());
// 打印订房者退房时间
System.out.println("退房时间:" + client.getOutroomtime());
}
}
==============================================================
运行结果:
-----------------------------------------
酒店名字:天上人间大酒店
此房间的酒店编号:36687
房间ID:688
房间类型:总统套房-单人
酒店地址:河北腹地
身份证号码:1109111202478296
订房者姓名奥巴马
入住时间:2012/12/12 8:00
退房时间:没想过要退房
客房管理系统，用java，sql
首先得确定一下你用b/s还是c/s
再确定选什么书吧，
很多的
求大神帮忙写下这个java程序
import java.util.Scanner;
public class T1 {
static String [][] rooms = new String[12][10];
static {
for (int i=0;i12;i++)
for (int j=0;j10;j++)
rooms[i][j] = "EMPTY";
}
public static void main(String argv[]) {
System.out.println("XXX酒店管理程序加载完毕，请输入指令：");
Scanner sca = new Scanner(System.in);
while (true) {
String comm = sca.next();
if (comm.equalsIgnoreCase("Search")) {
search();
} else if (comm.equalsIgnoreCase("in")) {
System.out.println("输入客人姓名：");
String name = sca.next();
inRoom(name);
} else if (comm.equalsIgnoreCase("out")) {
System.out.println("输入客人房间号：");
int room = sca.nextInt();
outRoom(room/100, room%100);
} else if (comm.equalsIgnoreCase("exit")) {
System.out.println("退出程序");
break;
} else {
System.out.println("无效的命令，请重新输入!");
}
}
sca.close();
}
private static void outRoom(int i, int j) {
if (i1 || i12 || j1 || j10) {
System.out.println("输入错误，请重新输入");
} else {
if (rooms[i-1][j-1].equalsIgnoreCase("empty")) {
System.out.printf("%02d%02d 并没有客人入住\n", i, j);
} else {
System.out.printf("OUT %02d%02d: %02d%02d房间退房，客人姓名：%s\n", i, j, i, j, rooms[i-1][j-1]);
rooms[i-1][j-1] = "EMPTY";
return;
}
}
}
private static void inRoom(String name) {
for (int i=0;i12;i++) {
for (int j=0;j10;j++) {
if (rooms[i][j].equalsIgnoreCase("EMPTY")) {
rooms[i][j] = name;
System.out.printf("IN %02d%02d %s : 姓名为%s的客人入住%02d%02d房间\n", i+1, j+1, name, name, i+1, j+1);
return;
}
}
}
}
private static void search() {
System.out.println("入住房间信息：");
System.out.println("---------------------------");
for (int i=0;i12;i++) {
for (int j=0;j10;j++) {
if (!rooms[i][j].equalsIgnoreCase("EMPTY")) {
System.out.printf("ROOM %02d%02d 客人：%s\n", i+1, j+1, rooms[i][j]);
}
}
}
System.out.println("---------------------------");
}
}
java作业程序，急求
package test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
public class Test {
public static void main(String[] args) throws IOException{
MapString, Room rooms =initRooms();
BufferedReader ctrl=new BufferedReader(new InputStreamReader(System.in));
getRoomState(rooms);
boolean exit = true;
while(exit){
println("");
print("菜单: ");
print(" 1:订房");
print(" 2:退房");
print(" 3:查询");
print(" 4:退出");
println("");
print(" 请输入:");
String num =ctrl.readLine();
cls();
switch (num) {
case "1":
print("房间号:");
String rid = ctrl.readLine();
print("帐号:");
String user = ctrl.readLine();
print("密码:");
String pwd = ctrl.readLine();
print("住天数:");
String day = ctrl.readLine();
Room r = rooms.get(rid);
if(r==null){
println("没有此房间");
}else{
r.setDay(Integer.parseInt(day));
r.setName(user);
r.setPwd(pwd);
rooms.put(r.getrId(),r);
println("订房成功！！");
getRoomState(rooms);
}
break;
case "2":
print("帐号:");
String user2 = ctrl.readLine();
print("密码:");
String pwd2 = ctrl.readLine();
Room r2 =getRoowByUserAndPwd(rooms,user2,pwd2);
if(r2==null){
println("你没有订房!!");
}else{
r2.setName("");
r2.setPwd("");
r2.setDay(0);
rooms.put(r2.getrId(),r2);
println("退订成功");
getRoomState(rooms);
}
break;
case "3":
print("帐号:");
String user3 = ctrl.readLine();
print("天数:");
String day3 = ctrl.readLine();
Room r3 =getRoowByUserAndDay(rooms,user3,day3);
if(r3==null){
println("你没有订房!!");
}else{
println(r3.toString());
}
break;
case "4":exit = false ;break;
}
getRoomState(rooms);
}
}
private static void getRoomState(MapString, Room rooms) {
println("房间情况:");
for (Room r : rooms.values()) {
println("房号:"+r.getrId()+"=" + r.getPrice()+" 状态:"+r.isEmptyRoom());
}
}
private static Room getRoowByUserAndDay(MapString, Room rooms,String user,String day) {
for (Room r : rooms.values()) {
if(r.getName().equals(user) day.equals(r.getDay()+""))
return r;
}
return null;
}
private static Room getRoowByUserAndPwd(MapString, Room rooms,String user,String pwd) {
for (Room r : rooms.values()) {
if(r.getName().equals(user) pwd.equals(r.getPwd()+""))
return r;
}
return null;
}
/**
* 初始化房间
*/
private static MapString, Room initRooms() {
MapString, Room result = new HashMapString, Room();
result.put("8001", new Room("8001",100.0));
result.put("8002", new Room("8002",100.0));
result.put("8003", new Room("8003",100.0));
result.put("8004", new Room("8004",200.0));
result.put("8005", new Room("8005",200.0));
result.put("8006", new Room("8006",200.0));
result.put("8007", new Room("8007",300.0));
result.put("8008", new Room("8008",300.0));
result.put("8009", new Room("8009",300.0));
return result;
}
public static void cls() throws IOException{
Runtime.getRuntime().exec("clear");
}
public static void println(Object str){
System.out.println(str);
}
public static void print(Object str){
System.out.print(str);
}
}
class Room{
private String rId="";
private String name="";
private String pwd="";
private int day=0;
private double price=0.0;
public String isEmptyRoom(){
return this.name.equals("")?"空房间":"已出租";
}
public Room(String rId, double price) {
this.rId = rId;
this.price = price;
}
@Override
public String toString() {
return "房号=" + rId + ", 用户=" + name + ", 天数=" + day
+ ", 租金=" + price + ", 总金额=" + (price*day);
}
public Room(String name, String pwd, int day) {
this.name = name;
this.pwd = pwd;
this.day = day;
}
public Room() {
}
public String getrId() {
return rId;
}
public void setrId(String rId) {
this.rId = rId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPwd() {
return pwd;
}
public void setPwd(String pwd) {
this.pwd = pwd;
}
public int getDay() {
return day;
}
public void setDay(int day) {
this.day = day;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
}
比较粗糙将就
文章名称：退房信息的java代码,退房信息的java代码是什么
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