oop案例1

电影类

package com.item.huang.demo01;

//电影类
public class Movie {
    //电影的属性
    private int id;
    private String name;
    private double price;
    private double score;
    private String director;
    private String actor;
    private String info;

    //无参构造
    public Movie() {
    }
    //有参构造（赋值）
    public Movie(int id, String name, double price, double score, String director, String actor, String info) {
        this.id = id;
        this.name = name;
        this.price = price;
        this.score = score;
        this.director = director;
        this.actor = actor;
        this.info = info;
    }
    //封装属性
    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 double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public double getScore() {
        return score;
    }

    public void setScore(double score) {
        this.score = score;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getActor() {
        return actor;
    }

    public void setActor(String actor) {
        this.actor = actor;
    }

    public String getInfo() {
        return info;
    }

    public void setInfo(String info) {
        this.info = info;
    }
}

电影操作类

package com.item.huang.demo01;

//电影操作类
public class MovieOperator {
    private Movie[] movies;
    //有参构造（赋值）
    public MovieOperator(Movie[] movies) {
        this.movies = movies;
    }
    //1.展示电影全部信息
    public void printAllMovies(){
        System.out.println("全部电影信息如下：=============");
        for (int i = 0; i < movies.length; i++) {
            Movie m = movies[i];
            System.out.println("编号："+m.getId());
            System.out.println("名称："+m.getName());
            System.out.println("价格："+m.getPrice());
        }
    }
    //2.根据电影的编号查询电影的详细信息并展示
    public void searchMovieById(int id){
        for (int i = 0; i < movies.length; i++) {
            Movie m = movies[i];
            if(id == m.getId()){
                System.out.println("该电影详情如下");
                System.out.println("编号："+m.getId());
                System.out.println("名称："+m.getName());
                System.out.println("价格："+m.getPrice());
                System.out.println("得分："+m.getScore());
                System.out.println("导演："+m.getDirector());
                System.out.println("主演："+m.getActor());
                System.out.println("其他信息："+m.getInfo());
                return;//已经找到了电影信息
            }
        }
        System.out.println("没有电影信息！");
    }
}

测试类

package com.item.huang.demo01;


/*
*电影数据：
*       1,"水门桥",38.9,9.8,"徐克","吴京","12万人想看"
*       2,"出拳吧",39,7.8,"唐晓白","田雨","3.5万人想看"
*       3,"月球陨落",42,7.9,"罗兰","贝瑞","17.9万人想看"
*       4,"一点就到家",35,8.7,"许宏宇","刘昊然","10.8万人想看"
*
* 需求：
*       1.展示系统中的全部电影（每部电影展示：名称，价格)
*       2.允许用户根据电影编号（id）查询某部电影的详细信息
*
*       1.设计一个电影类
*       2.设计一个电影操作类
 */

import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        //1.给电影赋值
        Movie[] movies = new Movie[4];
        movies[0] = new Movie(1,"水门桥",38.9,9.8,"徐克","吴京","12万人想看");
        movies[1] = new Movie(2,"出拳吧",39,7.8,"唐晓白","田雨","3.5万人想看");
        movies[2] = new Movie(3,"月球陨落",42,7.9,"罗兰","贝瑞","17.9万人想看");
        movies[3] = new Movie(4,"一点就到家",35,8.7,"许宏宇","刘昊然","10.8万人想看");
        //2.展示系统中的全部电影
        MovieOperator movieOperator = new MovieOperator(movies);
        movieOperator.printAllMovies();
        //3.用户根据电影编号（id）查询某部电影的详细信息
        System.out.println("===================================");
        Scanner sc = new Scanner(System.in);
        while (true) {
            System.out.println("请输入想要查询的电影编号：");
            sc.hasNextInt();
            int id = sc.nextInt();
            if(id<1||id>4){
                System.out.println("输入的编号有误");
            }else {
                movieOperator.searchMovieById(id);
                break;//成功查询到电影
            }
        }
    }
}