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week002 作业

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徐培
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发布于: 2020 年 06 月 24 日

1. 请在草稿纸上手写一个单例模式的实现代码

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。





代码如下:

测试代码

public class WinFormTest {
public static void main(String[] args) {
WinForm winForm = new WinForm();
winForm.element.add(new FormPicture("LOGO图片"));
winForm.element.add(new FormButton("登录"));
winForm.element.add(new FormButton("注册"));
FormFrame frame1 = new FormFrame("Frame1");
frame1.frameElement.add(new FrameLable("用户名"));
frame1.frameElement.add(new FrameTextBox("文本框"));
frame1.frameElement.add(new FrameLable("密码"));
frame1.frameElement.add(new FramePasswordBox("密码框"));
frame1.frameElement.add(new FrameCheckBox("复选框"));
frame1.frameElement.add(new FrameTextBox("记住用户名"));
frame1.frameElement.add(new LinkLable("忘记密码"));
winForm.element.add(frame1);
winForm.display();
}
}



组件代码:

WinForm组件:

public class WinForm {
List<WinForm> element = new LinkedList<WinForm>();
public void display() {
System.out.printf("print WinForm(%s)","WINDOW窗口");
System.out.println();
element.stream().forEach(a->a.display());
}
}



按钮组件:

public class FormButton extends WinForm {
private String label;
public FormButton(String label) {
this.label = label;
}
@Override
public void display() {
System.out.printf("print Button %s", label);
System.out.println();
}
}

图片组件:

public class FormPicture extends WinForm{
private String formPicture;
public FormPicture(String formPicture) {
this.formPicture = formPicture;
}
@Override
public void display() {
System.out.println("Print Picture(" + formPicture + ")");
}
}

Frame组件:

public class FormFrame extends WinForm {
List<FormFrame> frameElement = new LinkedList<>();
private String frameName;
public FormFrame() {}
public FormFrame(String frameName) {
this.frameName = frameName;
}
@Override
public void display() {
System.out.printf("print Frame(%s)",frameName);
frameElement.stream().forEach(a->a.display());
}
}

Frame的Box组件:(想用策略+工厂做,未完成)

public class FrameBox extends FormFrame {
protected String boxName;
public FrameBox(String boxName) {
this.boxName = boxName;
}
}

checkBox组件:

public class FrameCheckBox extends FormFrame {
private String checkBox;
public FrameCheckBox(String checkBox) {
this.checkBox = checkBox;
}
@Override
public void display() {
System.out.println();
System.out.printf("print CheckBox(%s)",checkBox);
}
}

passwordBox组件:

public class FramePasswordBox extends FrameBox {
public FramePasswordBox(String boxName) {
super(boxName);
}
@Override
public void display() {
System.out.println();
System.out.printf("print PasswordBox(%s)",boxName);
}
}

TextBox组件:

public class FrameTextBox extends FrameBox {
public FrameTextBox(String boxName) {
super(boxName);
}
@Override
public void display() {
System.out.println();
System.out.printf("print TextBox(%s)",boxName);
}
}



Label组件:

public class FrameLable extends FormFrame{
private String lable;
public FrameLable(String lable) {
this.lable = lable;
}
@Override
public void display() {
System.out.println();
System.out.printf("print Lable(%s)",lable);
}
}

Linkable组件:

public class LinkLable extends FormFrame {
private String linkAble;
public LinkLable(String linkAble) {
this.linkAble = linkAble;
}
@Override
public void display() {
System.out.println();
System.out.printf("print CheckBox(%s)",linkAble);
}
}



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week002 作业