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第三周作业

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王鑫龙
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发布于: 2020 年 06 月 23 日







Component.Java

abstract public class Component {
protected void add(Component component){
throw new UnsupportedOperationException();
}
protected void remove(Component component){
throw new UnsupportedOperationException();
}
protected String getName(){
throw new UnsupportedOperationException();
}
abstract public void print();
}

LeafComponent.Java

public class LeafComponent extends Component {
private String name;
public LeafComponent(String name){
this.name = name;
}
public String getName(){
return name;
}
public void setName(String value){
name = value;
}
@Override
public void print() {
System.out.println("Print "+this.getClass().getSimpleName()+"("+getName()+")");
}
}



FrameComponent.Java

import java.util.ArrayList;
import java.util.List;
public class FrameComponent extends Component{
private String name;
private List<Component> componentList;
public FrameComponent(String name){
this.name = name;
componentList = new ArrayList<>();
}
@Override
public String getName(){
return name;
}
public void setName(String value){
name = value;
}
@Override
public void add(Component component){
componentList.add(component);
}
@Override
public void remove(Component component){
componentList.remove(component);
}
public void print() {
System.out.println("Print "+this.getClass().getSimpleName()+"("+getName()+")");
for (Component component:componentList) {
component.print();
}
}
}



Button.Java

public class Button extends LeafComponent {
public Button(String name) {
super(name);
}
}



CheckBox.Java

public class CheckBox extends LeafComponent {
public CheckBox(String name) {
super(name);
}
}



Frame.Java

public class Frame extends FrameComponent {
public Frame(String name) {
super(name);
}
}



Label.Java

public class Label extends LeafComponent {
public Label(String name) {
super(name);
}
}



LinkLabel.Java

public class LinkLabel extends Label {
public LinkLabel(String name) {
super(name);
}
}



PasswordBox.Java

public class PasswordBox extends TextBox {
public PasswordBox(String name) {
super(name);
}
}



Picture.Java

public class Picture extends LeafComponent {
public Picture(String name) {
super(name);
}
}



TextBox.Java

public class TextBox extends LeafComponent {
public TextBox(String name) {
super(name);
}
}



WinForm.Java

public class WinForm extends FrameComponent {
public WinForm(String name) {
super(name);
}
}



Test

@Test
void testCompose(){
FrameComponent winform1 = new WinForm("WINDOWS窗体");
FrameComponent frame1 = new Frame("FRAME1");
winform1.add(new Picture("LOGO图片"));
winform1.add(new Button("登录"));
winform1.add(new Button("注册"));
winform1.add(frame1);
frame1.add(new Label("用户名"));
frame1.add(new TextBox("文本框"));
frame1.add(new Label("密码"));
frame1.add(new PasswordBox("密码框"));
frame1.add(new CheckBox("复选框"));
frame1.add(new TextBox("记住用户名"));
frame1.add(new LinkLabel("忘记密码"));
winform1.print();
}



Result:



发布于: 2020 年 06 月 23 日阅读数: 54
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王鑫龙

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