架构师训练营第三周作业

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发布于: 2020 年 11 月 08 日

手写单例模式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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用组合设计模式编写程序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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WinForm
package com.leo.homework;
import java.util.LinkedList;
import java.util.List;
public class WinForm extends Component {
  private final List<Component> componentList = new LinkedList<>();
  public WinForm(String name) {
    super(name);
  }
  @Override
  public void print() {
    System.out.println(this.getName());
    for (Component component : componentList) {
      component.print();
    }
  }
  @Override
  protected void add(Component component) {
    this.componentList.add(component);
  }
}
Picture
package com.leo.homework;
public class Picture extends Component {
  public Picture(String name) {
    super(name);
  }
}
Button
package com.leo.homework;
public class Button extends Component {
  public Button(String name) {
    super(name);
  }
}
Frame
package com.leo.homework;
import java.util.LinkedList;
import java.util.List;
public class Frame extends Component {
  private final List<Component> componentList = new LinkedList<>();
  public Frame(String name) {
    super(name);
  }
  @Override
  public void print() {
    System.out.println(this.getName());
    for (Component component : componentList) {
      component.print();
    }
  }
  @Override
  protected void add(Component component) {
    this.componentList.add(component);
  }
}
Label
package com.leo.homework;
public class Label extends Component {
  public Label(String name) {
    super(name);
  }
}
TestBox
package com.leo.homework;
public class TextBox extends Component {
  public TextBox(String name) {
    super(name);
  }
}
PasswordBox
package com.leo.homework;
public class PasswordBox extends TextBox {
  public PasswordBox(String name) {
    super(name);
  }
}
LinkLabel
package com.leo.homework;
public class LinkLabel extends Label {
  public LinkLabel(String name) {
    super(name);
  }
}
Test
package com.leo.homework;
public class Test {
  public static void main(String[] args) {
    WinForm winForm = new WinForm("WINDOW窗口");
    winForm.add(new Picture("LOGO图片"));
    winForm.add(new Button("登录"));
    winForm.add(new Button("注册"));
    Frame frame = new Frame("FRAME1");
    winForm.add(frame);
    frame.add(new Label("用户名"));
    frame.add(new TextBox("文本框"));
    frame.add(new Label("密码"));
    frame.add(new PasswordBox("文本框"));
    frame.add(new Label("记住用户名"));
    frame.add(new LinkLabel("忘记密码"));
    winForm.print();
  }
}
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