架构师训练营第三周作业

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发布于: 2020 年 06 月 23 日
1. 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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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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interface Component {
    /**
     * 打印
     */
    void print();
    /**
     * 新增子节点
     * @param component
     */
    void addSubNote(Component component);
    /**
     * 获取子节点集合
     * @return
     */
    List<Component> getSubNotes();
}
public abstract class AbstractComponent implements Component {
    private String name;
    private List<Component> subNotes;
    public AbstractComponent(String name){
        this.name = name;
        this.subNotes = new ArrayList<Component>();
    }
    /**
     * 打印
     */
    public abstract void print() ;
    public void addSubNote(Component component) {
        this.subNotes.add(component);
    }
    public List<Component> getSubNotes() {
        return this.subNotes;
    }
    public String getName() {
        return name;
    }
}
public class WinFormComponent extends AbstractComponent {
    public WinFormComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("WinForm(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class PictureComponent extends AbstractComponent {
    public PictureComponent(String name){
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("Picture(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class FrameComponent extends AbstractComponent {
    public FrameComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("Frame(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class LabelComponent extends AbstractComponent {
    public LabelComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("Label(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class TextBoxComponent extends AbstractComponent {
    public TextBoxComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("TextBox(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class PasswordBoxComponent extends AbstractComponent {
    public PasswordBoxComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("PasswordBox(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class CheckBoxComponent extends AbstractComponent {
    public CheckBoxComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("CheckBox(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class LinkLabelComponent extends AbstractComponent {
    public LinkLabelComponent(String name) {
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("LinkLabel(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
public class ButtonComponent extends AbstractComponent {
    public ButtonComponent(String name){
        super(name);
    }
    @Override
    public void print() {
        System.out.println(String.format("Button(%s)",this.getName()));
        for (Component component : getSubNotes()){
            component.print();
        }
    }
}
//测试
public class Demo {
    public static void main(String[] args) {
        Component window = new WinFormComponent("WINDOW窗口");
        Component logo = new PictureComponent("LOGO图片");
        window.addSubNote(logo);
        Component frame1 = new FrameComponent("FRAME1");
        window.addSubNote(frame1);
        Component username = new LabelComponent("用户名");
        frame1.addSubNote(username);
        Component usernameTextBox = new TextBoxComponent("文本框");
        frame1.addSubNote(usernameTextBox);
        Component password = new LabelComponent("密码");
        frame1.addSubNote(password);
        Component passwordBox = new PasswordBoxComponent("密码框");
        frame1.addSubNote(passwordBox);
        Component checkBox = new CheckBoxComponent("复选框");
        frame1.addSubNote(checkBox);
        Component rememberMe = new LabelComponent("记住用户名");
        frame1.addSubNote(rememberMe);
        Component forgetPassword = new LinkLabelComponent("忘记密码");
        frame1.addSubNote(forgetPassword);
        Component login = new ButtonComponent("登陆");
        Component register = new ButtonComponent("注册");
        window.addSubNote(login);
        window.addSubNote(register);
        window.print();
    }
}
输入内容
WinForm(WINDOW窗口)
Picture(LOGO图片)
Frame(FRAME1)
Label(用户名)
TextBox(文本框)
Label(密码)
PasswordBox(密码框)
CheckBox(复选框)
Label(记住用户名)
LinkLabel(忘记密码)
Button(登陆)
Button(注册)
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