架构师训练营第 1 期 week3

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发布于: 2020 年 10 月 03 日
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。
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2. 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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为了方便起见，所有代码暂时都放到一个类里了。
import java.util.ArrayList;
import java.util.List;
public class Combination {
    public abstract  class Component{
        String name;
        Component(String name){
            this.name = name;
        }
        abstract void print();
    }
    public class Picture extends Component{
        Picture(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print Picture("+this.name+")");
        }
    }
    public class Button extends Component{
        Button(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print Button("+this.name+")");
        }
    }
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    public class Label extends Component{
        Label(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print Label("+this.name+")");
        }
    }
    public class TextBox extends Component{
        TextBox(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print TextBox("+this.name+")");
        }
    }
    public class PassWordBox extends Component{
        PassWordBox(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print PassWordBox("+this.name+")");
        }
    }
    public class CheckBox extends Component{
        CheckBox(String name){
            super(name);
        }
        @Override
        void print() {
            System.out.println("print CheckBox("+this.name+")");
        }
    }
    public class LinkLable extends Component{
        LinkLable(String name){
                super(name);
            }
            @Override
            void print() {
                System.out.println("print LinkLable("+this.name+")");
            }
    }
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    public class Window extends Component{
        Window(String name){
            super(name);
        }
        List<Component> list = new ArrayList<Component>();
        public void addComponent(Component component){
            this.list.add(component);
        }
        @Override
        void print() {
            System.out.println("print WinForm("+this.name+")");
            for(Component c:list){
                c.print();
            }
        }
    }
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    public class Frame extends Component{
        Frame(String name){
            super(name);
        }
        List<Component> list = new ArrayList<Component>();
        public void addComponent(Component component){
            this.list.add(component);
        }
        @Override
        void print() {
            System.out.println("print Frame("+this.name+")");
            for(Component c:list){
                c.print();
            }
        }
    }
    public static void main(String[] args) {
        Combination combination = new Combination();
        Window cc = combination.new Window("WINDOW窗口");
        cc.addComponent( combination.new Picture("LOGO图片"));
        cc.addComponent( combination.new Button("登录"));
        cc.addComponent( combination.new Button("注册"));
        Frame frame = combination.new Frame("FRAME1");
        frame.addComponent(combination.new Label("用户名"));
        frame.addComponent(combination.new TextBox("文本框"));
        frame.addComponent(combination.new Label("密码"));
        frame.addComponent(combination.new PassWordBox("密码框"));
        frame.addComponent(combination.new CheckBox("复选框"));
        frame.addComponent(combination.new TextBox("记住用户名"));
        frame.addComponent(combination.new LinkLable("忘记密码"));
        cc.addComponent(frame);
        cc.print();
    }
}
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