public class WinForm {
    private String type;
    private String showName;
    public WinForm(String type, String showName) {
        this.type = type;
        this.showName = showName;
    }
    public void print() {
        System.out.println(String.format("print %s(%s)", this.type, this.showName));
    }
    public static void main(String[] args) {
        WinForm winForm = new WinForm("WinForm", "WINDOW窗口");
        winForm.print();
    }
}

import java.util.ArrayList;
import java.util.List;
public class WinFromDecorate extends WinForm {
    private List<WinForm>  winFormList = new ArrayList<>();
    public WinFromDecorate(String type, String showName) {
        super(type, showName);
    }
    public void decorate(WinForm winForm) {
        winFormList.add(winForm);
    }
    @Override
    public void print() {
        super.print();
        for (WinForm winForm: winFormList) {
            winForm.print();
        }
    }
}

public class Client {
    
    public static void main(String[] args) {
        WinFromDecorate winForm = new WinFromDecorate("WinForm", "WINDOW窗口");
        WinForm picture = new WinForm("Picture", "LOGO图片");
        WinForm buttonLogin = new WinForm("Button", "登录");
        WinForm buttonRegister = new WinForm("Button", "注册");
        winForm.decorate(picture);
        winForm.decorate(buttonLogin);
        winForm.decorate(buttonRegister);
        WinFromDecorate frame = new WinFromDecorate("Frame", "FRAME1");
        WinForm lableUser = new WinForm("Lable", "用户名");
        WinForm textBoxUser = new WinForm("TextBox", "文本框");
        WinForm lablePwd = new WinForm("Lable", "密码");
        WinForm passwordBox = new WinForm("PasswordBox", "密码框");
        WinForm checkBox = new WinForm("CheckBox", "复选框");
        WinForm labelRember = new WinForm("Lable", "记住用户名");
        WinForm linkLable = new WinForm("LinkLable", "忘记密码");
        frame.decorate(lableUser);
        frame.decorate(textBoxUser);
        frame.decorate(lablePwd);
        frame.decorate(passwordBox);
        frame.decorate(checkBox);
        frame.decorate(labelRember);
        frame.decorate(linkLable);
        winForm.decorate(frame);
        winForm.print();
    }
}