Java - day17 - 阶段项目实战
电影购票系统简介、项目功能演示
日志框架搭建、系统角色分析
实例：
//Business.java
package movie.bean;
public class Business extends User{
// 店铺名称
private String shopName;
// 店铺地址
private String address;
public String getShopName() {
return shopName;
}
public void setShopName(String shopName) {
this.shopName = shopName;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
//Customer.java
package movie.bean;
import java.util.HashMap;
import java.util.Map;
/**
客户角色
*/
public class Customer extends User{
// 定义一个属性存储购买记录。
private Map<String, Boolean> buyMovies = new HashMap<>();
public Map<String, Boolean> getBuyMovies() {
return buyMovies;
}
public void setBuyMovies(Map<String, Boolean> buyMovies) {
this.buyMovies = buyMovies;
}
}
//User.java
package movie.bean;
/**
用户类（客户和商家的父类 ）
*/
public class User {
private String loginName; // 假名 不能重复
private String userName; // 真名
private String passWord;
private char sex;
private String phone;
private double money;
public User(){
}
public User(String loginName, String userName, String passWord, char sex, String phone, double money) {
this.loginName = loginName;
this.userName = userName;
this.passWord = passWord;
this.sex = sex;
this.phone = phone;
this.money = money;
}
public String getLoginName() {
return loginName;
}
public void setLoginName(String loginName) {
this.loginName = loginName;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassWord() {
return passWord;
}
public void setPassWord(String passWord) {
this.passWord = passWord;
}
public char getSex() {
return sex;
}
public void setSex(char sex) {
this.sex = sex;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}
}
//Movie.java
package movie.bean;
import movie.run.MovieSystem;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Date;
import java.util.List;
public class Movie {
private String name;
private String actor;
private double time;
private double price;
private int number; // 余票
private Date startTime; // 放映时间
public Movie() {
}
public Movie(String name, String actor, double time, double price, int number, Date startTime) {
this.name = name;
this.actor = actor;
this.time = time;
this.price = price;
this.number = number;
this.startTime = startTime;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getActor() {
return actor;
}
public void setActor(String actor) {
this.actor = actor;
}
public double getScore() {
List<Double> scores = MovieSystem.MOVIES_SCORE.get(name);
if(scores!=null && scores.size() > 0){
double sum = 0;
for (Double score : scores) {
sum += score;
}
return BigDecimal.valueOf(sum).divide(BigDecimal.valueOf(scores.size()), 2 , RoundingMode.UP).doubleValue();
}else {
return 0;
}
}
public double getTime() {
return time;
}
public void setTime(double time) {
this.time = time;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
public Date getStartTime() {
return startTime;
}
public void setStartTime(Date startTime) {
this.startTime = startTime;
}
}
首页设计、登录、商家界面、用户界面实现
商家 - 详情页设计、影片上架、退出
商家 - 影片下架、影片修改
用户 - 展示全部影片
用户 - 购票功能
用户 - 评分功能
用户 - 评分降序展示(学生作业)
用户 - 根据片名查询全部影片信息（学生作业)
- 实例：
//MovieSystem.java
package movie.run;
import movie.bean.Business;
import movie.bean.Customer;
import movie.bean.Movie;
import movie.bean.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.math.BigDecimal;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
public class MovieSystem {
/**
定义系统的数据容器用户存储数据
1、存储很多用户（客户对象，商家对象）
*/
public static final List<User> ALL_USERS = new ArrayList<>();
/**
2、存储系统全部商家和其排片信息 。
商家1 = [p1,p2,p3,...]
商家2 = [p2,p3,...]
...
*/
public static final Map<Business, List<Movie>> ALL_MOVIES = new HashMap<>();
public static final Scanner SYS_SC = new Scanner(System.in);
// 定义一个静态的User类型的变量记住当前登录成功的用户对象
public static User loginUser;
public static SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
public static final Logger LOGGER = LoggerFactory.getLogger("MovieSystem.class");
/**
3、准备一些测试数据
*/
static {
Customer c = new Customer();
c.setLoginName("zyf888");
c.setPassWord("123456");
c.setUserName("黑马刘德华");
c.setSex('男');
c.setMoney(10000);
c.setPhone("110110");
ALL_USERS.add(c);
Customer c1 = new Customer();
c1.setLoginName("gzl888");
c1.setPassWord("123456");
c1.setUserName("黑马关之琳");
c1.setSex('女');
c1.setMoney(2000);
c1.setPhone("111111");
ALL_USERS.add(c1);
Business b = new Business();
b.setLoginName("baozugong888");
b.setPassWord("123456");
b.setUserName("黑马包租公");
b.setMoney(0);
b.setSex('男');
b.setPhone("110110");
b.setAddress("火星6号2B二层");
b.setShopName("甜甜圈国际影城");
ALL_USERS.add(b);
// 注意，商家一定需要加入到店铺排片信息中去
List<Movie> movies = new ArrayList<>();
ALL_MOVIES.put(b , movies); // b = []
Business b2 = new Business();
b2.setLoginName("baozupo888");
b2.setPassWord("123456");
b2.setUserName("黑马包租婆");
b2.setMoney(0);
b2.setSex('女');
b2.setPhone("110110");
b2.setAddress("火星8号8B八层");
b2.setShopName("巧克力国际影城");
ALL_USERS.add(b2);
// 注意，商家一定需要加入到店铺排片信息中去
List<Movie> movies3 = new ArrayList<>();
ALL_MOVIES.put(b2 , movies3); // b2 = []
}
public static void main(String[] args) {
showMain();
}
/**
首页展示
*/
private static void showMain() {
while (true) {
System.out.println("===============黑马电影首页=================");
System.out.println("1、登录");
System.out.println("2、用户注册");
System.out.println("3、商家注册");
System.out.println("请输入操作命令：");
String command = SYS_SC.nextLine();
switch (command) {
case "1":
// 登录了
login();
break;
case "2":
//
break;
case "3":
break;
default:
System.out.println("命令有误，请确认！");
}
}
}
/**
登录功能
*/
private static void login() {
while (true) {
System.out.println("请您输入登录名称：");
String loginName = SYS_SC.nextLine();
System.out.println("请您输入登录密码：");
String passWord = SYS_SC.nextLine();
// 1、根据登录名称查询用户对象。
User u = getUserByLoginName(loginName);
// 2、判断用户对象是否存在，存在说明登录名称正确了
if(u != null){
// 3、比对密码是否正确
if(u.getPassWord().equals(passWord)){
// 登录成功了：...
loginUser = u; // 记住登录成功的用户
LOGGER.info(u.getUserName() +"登录了系统~~~");
// 判断是用户登录的，还是商家登录的。
if(u instanceof Customer) {
// 当前登录的是普通用户
showCustomerMain();
}else {
// 当前登录的肯定是商家用户
showBusinessMain();
}
return;
}else {
System.out.println("密码有毛病~~");
}
}else {
System.out.println("登录名称错误，请确认");
}
}
}
/**
商家的后台操作界面
*/
private static void showBusinessMain() {
while (true) {
System.out.println("============黑马电影商家界面===================");
System.out.println(loginUser.getUserName() + (loginUser.getSex()=='男'? "先生":"女士" + "欢迎您进入系统"));
System.out.println("1、展示详情:");
System.out.println("2、上架电影:");
System.out.println("3、下架电影:");
System.out.println("4、修改电影:");
System.out.println("5、退出:");
System.out.println("请输入您要操作的命令：");
String command = SYS_SC.nextLine();
switch (command){
case "1":
// 展示全部排片信息
showBusinessInfos();
break;
case "2":
// 上架电影信息
addMovie();
break;
case "3":
// 下架电影信息
deleteMovie();
break;
case "4":
// 修改电影信息
updateMovie();
break;
case "5":
System.out.println(loginUser.getUserName() +"请您下次再来啊~~~");
return; // 干掉方法
default:
System.out.println("不存在该命令！！");
break;
}
}
}
/**
影片修改功能
*/
private static void updateMovie() {
System.out.println("================修改电影====================");
Business business = (Business) loginUser;
List<Movie> movies = ALL_MOVIES.get(business);
if(movies.size() == 0) {
System.out.println("当期无片可以修改~~");
return;
}
// 2、让用户选择需要下架的电影名称
while (true) {
System.out.println("请您输入需要修改的电影名称：");
String movieName = SYS_SC.nextLine();
// 3、去查询有没有这个影片对象。
Movie movie = getMovieByName(movieName);
if(movie != null){
// 修改它
System.out.println("请您输入修改后的片名：");
String name = SYS_SC.nextLine();
System.out.println("请您输入修改后主演：");
String actor = SYS_SC.nextLine();
System.out.println("请您输入修改后时长：");
String time = SYS_SC.nextLine();
System.out.println("请您输入修改后票价：");
String price = SYS_SC.nextLine();
System.out.println("请您输入修改后票数：");
String totalNumber = SYS_SC.nextLine(); // 200\n
while (true) {
try {
System.out.println("请您输入修改后的影片放映时间：");
String stime = SYS_SC.nextLine();
movie.setName(name);
movie.setActor(actor);
movie.setPrice(Double.valueOf(price));
movie.setTime(Double.valueOf(time));
movie.setNumber(Integer.valueOf(totalNumber));
movie.setStartTime(sdf.parse(stime));
System.out.println("恭喜您，您成功修改了该影片了！！！");
showBusinessInfos();
return; // 直接退出去
} catch (Exception e) {
e.printStackTrace();
LOGGER.error("时间解析出了毛病");
}
}
}else {
System.out.println("您的店铺没有上架该影片！");
System.out.println("请问继续修改吗？y/n");
String command = SYS_SC.nextLine();
switch (command) {
case "y":
break;
default:
System.out.println("好的！");
return;
}
}
}
}
/**
影片下架功能
*/
private static void deleteMovie() {
System.out.println("================下架电影====================");
Business business = (Business) loginUser;
List<Movie> movies = ALL_MOVIES.get(business);
if(movies.size() == 0) {
System.out.println("当期无片可以下架~~");
return;
}
// 2、让用户选择需要下架的电影名称
while (true) {
System.out.println("请您输入需要下架的电影名称：");
String movieName = SYS_SC.nextLine();
// 3、去查询有没有这个影片对象。
Movie movie = getMovieByName(movieName);
if(movie != null){
// 下架它
movies.remove(movie);
System.out.println("您当前店铺已经成功下架了：" + movie.getName());
showBusinessInfos();
return;
}else {
System.out.println("您的店铺没有上架该影片！");
System.out.println("请问继续下架吗？y/n");
String command = SYS_SC.nextLine();
switch (command) {
case "y":
break;
default:
System.out.println("好的！");
return;
}
}
}
}
/**
去查询当前商家下的排片
*/
public static Movie getMovieByName(String movieName){
Business business = (Business) loginUser;
List<Movie> movies = ALL_MOVIES.get(business);
for (Movie movie : movies) {
if(movie.getName().contains(movieName)) {
return movie;
}
}
return null;
}
/**
商家进行电影上架
Map<Business , List<Movie>> ALL_MOVIES
u1 = [p1,p2,p3]
u2 = [p1,p2,p3]
*/
private static void addMovie() {
System.out.println("================上架电影====================");
// 根据商家对象(就是登录的用户loginUser)，作为Map集合的键 提取对应的值就是其排片信息 ：Map<Business , List<Movie>> ALL_MOVIES
Business business = (Business) loginUser;
List<Movie> movies = ALL_MOVIES.get(business);
System.out.println("请您输入新片名：");
String name = SYS_SC.nextLine();
System.out.println("请您输入主演：");
String actor = SYS_SC.nextLine();
System.out.println("请您输入时长：");
String time = SYS_SC.nextLine();
System.out.println("请您输入票价：");
String price = SYS_SC.nextLine();
System.out.println("请您输入票数：");
String totalNumber = SYS_SC.nextLine(); // 200\n
while (true) {
try {
System.out.println("请您输入影片放映时间：");
String stime = SYS_SC.nextLine();
// public Movie(String name, String actor, double time, double price, int number, Date startTime) // 封装成电影对象 ，加入集合movices中去
Movie movie = new Movie(name, actor ,Double.valueOf(time) , Double.valueOf(price)
, Integer.valueOf(totalNumber) , sdf.parse(stime));
movies.add(movie);
System.out.println("您已经成功上架了：《" + movie.getName() + "》");
return; // 直接退出去
} catch (ParseException e) {
e.printStackTrace();
LOGGER.error("时间解析出了毛病");
}
}
}
/**
定义一个静态的Map集合存储电影的评分
*/
public static final Map<String , List<Double>> MOVIES_SCORE = new HashMap<>();
/**
展示商家的详细：展示当前商家的信息。
*/
private static void showBusinessInfos() {
System.out.println("================商家详情界面=================");
LOGGER.info(loginUser.getUserName() +"商家，正在看自己的详情~~~");
// 根据商家对象(就是登录的用户loginUser)，作为Map集合的键 提取对应的值就是其排片信息 ：Map<Business , List<Movie>> ALL_MOVIES
Business business = (Business) loginUser;
System.out.println(business.getShopName() + "\t\t电话：" + business.getPhone()
+ "\t\t地址:" + business.getAddress() + "\t\t余额：" + business.getMoney());
List<Movie> movies = ALL_MOVIES.get(business);
if(movies.size() > 0) {
System.out.println("片名\t\t\t主演\t\t时长\t\t评分\t\t票价\t\t余票数量\t\t放映时间");
for (Movie movie : movies) {
System.out.println(movie.getName()+"\t\t\t" + movie.getActor()+ "\t\t" + movie.getTime()
+ "\t\t" + movie.getScore() + "\t\t" + movie.getPrice() + "\t\t" + movie.getNumber() + "\t\t"
+ sdf.format(movie.getStartTime()));
}
}else {
System.out.println("您的店铺当前无片在放映~~~~");
}
}
/**
客户操作界面
*/
private static void showCustomerMain() {
while (true) {
System.out.println("============黑马电影客户界面===================");
System.out.println(loginUser.getUserName() + (loginUser.getSex()=='男'? "先生":"女士" + "欢迎您进入系统" +
"\t余额：" + loginUser.getMoney()));
System.out.println("请您选择要操作的功能：");
System.out.println("1、展示全部影片信息功能:");
System.out.println("2、根据电影名称查询电影信息:");
System.out.println("3、评分功能:");
System.out.println("4、购票功能:");
System.out.println("5、退出系统:");
System.out.println("请输入您要操作的命令：");
String command = SYS_SC.nextLine();
switch (command){
case "1":
// 展示全部排片信息
showAllMovies();
break;
case "2":
break;
case "3":
// 评分功能
scoreMovie();
showAllMovies();
break;
case "4":
// 购票功能
buyMovie();
break;
case "5":
return; // 干掉方法
default:
System.out.println("不存在该命令！！");
break;
}
}
}
private static void scoreMovie() {
// 1、查询当前登录成功的用户历史购买记录，看哪些电影是它可以评分的。
Customer c = (Customer) loginUser;
Map<String, Boolean> movies = c.getBuyMovies();
if(movies.size() == 0 ){
System.out.println("当前您没有看过电影，不能评价！");
return;
}
// 买过了 ，看哪些电影是它可以评分的。
movies.forEach((name, flag) -> {
if(flag){
System.out.println(name +"此电影已评价");
}else {
System.out.println("请您对：" + name +"进行打分（0-10）：");
double score = Double.valueOf(SYS_SC.nextLine());
// 先根据电影名称拿到评分数据
List<Double> scores = MOVIES_SCORE.get(name); // MOVIES_SCORE = [ 名称=[10] , ... ]
if(scores == null){
// 说明此电影是第一次评价
scores = new ArrayList<>();
scores.add(score);
MOVIES_SCORE.put(name , scores);
}else {
scores.add(score);
}
movies.put(name, true);
}
});
}
/**
用户购票功能 ALL_MOVIES = {b1=[p1,p2,p3,..] , b2=[p2,p3,...]}
*/
private static void buyMovie() {
showAllMovies();
System.out.println("=============用户购票功能=================");
while (true) {
System.out.println("请您输入需要买票的门店：");
String shopName = SYS_SC.nextLine();
// 1、查询是否存在该商家。
Business business = getBusinessByShopName(shopName);
if(business == null){
System.out.println("对不起，没有该店铺！请确认");
}else {
// 2、此商家全部的排片
List<Movie> movies = ALL_MOVIES.get(business);
// 3、判断是否存在上映的电影
if(movies.size() > 0) {
// 4、开始进行选片购买
while (true) {
System.out.println("请您输入需要购买电影名称：");
String movieName = SYS_SC.nextLine();
// 去当前商家下，查询该电影对象。
Movie movie = getMovieByShopAndName(business, movieName);
if(movie != null){
// 开始购买
while (true) {
System.out.println("请您输入要购买的电影票数：");
String number = SYS_SC.nextLine();
int buyNumber = Integer.valueOf(number);
// 判断电影是否购票
if(movie.getNumber() >= buyNumber){
// 可以购买了
// 当前需要花费的金额
double money = BigDecimal.valueOf(movie.getPrice()).multiply(BigDecimal.valueOf(buyNumber))
.doubleValue();
if(loginUser.getMoney() >= money){
// 终于可以买票了
System.out.println("您成功购买了"+ movie.getName() + buyNumber +
"张票！总金额是：" + money);
// 更新自己的金额 更新商家的金额
loginUser.setMoney(loginUser.getMoney() - money);
business.setMoney(business.getMoney() + money);
movie.setNumber(movie.getNumber() - buyNumber);
Customer c = (Customer) loginUser;
// 记录购买电影的信息
// 第一个参数是购买的电影，第二个参数是没有评价的标记！
c.getBuyMovies().put(movie.getName(), false);
return;// 结束方法
}else {
// 钱不够！
System.out.println("是否继续~~");
System.out.println("是否继续买票？y/n");
String command = SYS_SC.nextLine();
switch (command) {
case "y":
break;
default:
System.out.println("好的！");
return;
}
}
}else {
// 票数不够
System.out.println("您当前最多可以购买：" + movie.getNumber());
System.out.println("是否继续买票？y/n");
String command = SYS_SC.nextLine();
switch (command) {
case "y":
break;
default:
System.out.println("好的！");
return;
}
}
}
}else {
System.out.println("电影名称有毛病~~");
}
}
}else {
System.out.println("该电影院关门了~~~");
System.out.println("是否继续买票？y/n");
String command = SYS_SC.nextLine();
switch (command) {
case "y":
break;
default:
System.out.println("好的！");
return;
}
}
}
}
}
public static Movie getMovieByShopAndName(Business business , String name){
List<Movie> movies = ALL_MOVIES.get(business);
for (Movie movie : movies) {
if(movie.getName().contains(name)){
return movie;
}
}
return null;
}
/**
根据商家店铺名称查询商家对象
* @return
*/
public static Business getBusinessByShopName(String shopName){
Set<Business> businesses = ALL_MOVIES.keySet();
for (Business business : businesses) {
if(business.getShopName().equals(shopName)){
return business;
}
}
return null;
}
/**
用户功能：展示全部商家和其排片信息
*/
private static void showAllMovies() {
System.out.println("=============展示全部商家排片信息=================");
ALL_MOVIES.forEach((business, movies) -> {
System.out.println(business.getShopName() + "\t\t电话：" + business.getPhone() + "\t\t地址:" + business.getAddress());
System.out.println("\t\t\t片名\t\t\t主演\t\t时长\t\t评分\t\t票价\t\t余票数量\t\t放映时间");
for (Movie movie : movies) {
System.out.println("\t\t\t" + movie.getName()+"\t\t\t" + movie.getActor()+ "\t\t" + movie.getTime()
+ "\t\t" + movie.getScore() + "\t\t" + movie.getPrice() + "\t\t" + movie.getNumber() + "\t\t"
+ sdf.format(movie.getStartTime()));
}
});
}
public static User getUserByLoginName(String loginName){
for (User user : ALL_USERS) {
// 判断这个用户的登录名称是否是我们想要的
if(user.getLoginName().equals(loginName)){
return user;
}
}
return null; // 查询此用户登录名称
}
}
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