架构师训练营第三周课后作业

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发布于: 2020 年 06 月 25 日
作业一：
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请在草稿纸上手写一个单例模式的实现代码，拍照提交作业。
单例模式 延迟初始化
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请用组合设计模式编写程序，打印输出图 1 的窗口，窗口组件的树结构如图 2 所示，打印输出示例参考图 3。
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using System;
using System.Collections.Generic;
namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            WinForm component = new WinForm("WINDOWS窗口");
            component.Add(new Picture("LOGO图片"));
            component.Add(new Button("登录"));
            component.Add(new Button("注册"));
            Container frame = new Frame("FRAME1");
            frame.Add(new Label("用户名"));
            frame.Add(new TextBox("文本框"));
            frame.Add(new Label("密码"));
            frame.Add(new PasswordBox("密码框"));
            frame.Add(new CheckBox("复选框"));
            frame.Add(new Label("记住用户名"));
            frame.Add(new LinkLable("忘记密码"));
            component.Add(frame);
            component.Print();
            Console.ReadKey();
        }
    }
    public abstract class Component
    {
        protected string Name;
        protected Component(string name)
        {
            this.Name = name;
        }
        public abstract void Print();
    }
    public abstract class Container : Component
    {
        private readonly IList<Component> _childenComponents = new List<Component>();
        protected Container(string name) : base(name) { }
        public void Add(Component component)
        {
            this._childenComponents.Add(component);
        }
        public override void Print()
        {
            foreach (var item in _childenComponents)
            {
                item.Print();
            }
        }
    }
    public class WinForm : Container
    {
        public WinForm(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print WinForm({this.Name})");
            base.Print();
        }
    }
    public class Frame : Container
    {
        public Frame(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print Frame({this.Name})");
            base.Print();
        }
    }
    public class Picture : Component
    {
        public Picture(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print Picture({this.Name})");
        }
    }
    public class Button : Component
    {
        public Button(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print Button({this.Name})");
        }
    }
    public class Label : Component
    {
        public Label(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print Label({this.Name})");
        }
    }
    public class TextBox : Component
    {
        public TextBox(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print TextBox({this.Name})");
        }
    }
    public class PasswordBox : Component
    {
        public PasswordBox(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print PasswordBox({this.Name})");
        }
    }
    public class CheckBox : Component
    {
        public CheckBox(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print CheckBox({this.Name})");
        }
    }
    public class LinkLable : Component
    {
        public LinkLable(string name) : base(name) { }
        public override void Print()
        {
            Console.WriteLine($"print LinkLable({this.Name})");
        }
    }
}
运行结果：
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Java版：
package com.example.thirdweek;
import java.util.ArrayList;
import java.util.List;
public class Main {
    public static void main(String[] args) {
        WinForm component = new WinForm("WINFORM窗口");
        component.addComponent(new Picture("LOGO图片"));
        component.addComponent(new Button("登录"));
        component.addComponent(new Button("注册"));
        Container frame = new Frame("FRAME1");
        frame.addComponent(new Label("用户名"));
        frame.addComponent(new TextBox("文本框"));
        frame.addComponent(new Label("密码"));
        frame.addComponent(new PasswordBox("密码框"));
        frame.addComponent(new CheckBox("复选框"));
        frame.addComponent(new Label("记住用户名"));
        frame.addComponent(new LinkLable("忘记密码"));
        component.addComponent(frame);
        component.print();
    }
    public static abstract class Component {
        protected String name;
        protected Component(String name) {
            this.name = name;
        }
        public abstract void print();
    }
    public static abstract class Container extends Component {
        private List<Component> childenComponents;
        protected Container(String name) {
            super(name);
            this.childenComponents = new ArrayList<Component>();
        }
        public void addComponent(Component component) {
            this.childenComponents.add(component);
        }
        @Override
        public void print() {
            for (Component component : this.childenComponents) {
                component.print();
            }
        }
    }
    public static class WinForm extends Container {
        public WinForm(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print WinForm(%S)", this.name));
            super.print();
        }
    }
    public static class Frame extends Container {
        public Frame(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print Frame(%S)", this.name));
            super.print();
        }
    }
    public static class Picture extends Component {
        public Picture(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print Picture(%S)", this.name));
        }
    }
    public static class Button extends Component {
        public Button(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print Button(%S)", this.name));
        }
    }
    public static class Label extends Component {
        public Label(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print Label(%S)", this.name));
        }
    }
    public static class TextBox extends Component {
        public TextBox(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print TextBox(%S)", this.name));
        }
    }
    public static class PasswordBox extends Component {
        public PasswordBox(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print PasswordBox(%S)", this.name));
        }
    }
    public static class CheckBox extends Component {
        public CheckBox(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print CheckBox(%S)", this.name));
        }
    }
    public static class LinkLable extends Component {
        public LinkLable(String name) {
            super(name);
        }
        @Override
        public void print() {
            System.out.println(String.format("print LinkLable(%S)", this.name));
        }
    }
}
运行结果：
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