架构师训练营第三章作业

发布于: 18 小时前
  1. 单例模式

保证一个类仅有一个实例,并提供一个访问它的全局访问点

  1. 组合模式(Composite Pattern)将对象组合成树形结构以表示“部分-整体”的层次结构。组合模式使得用户可以使用一致的方法操作单个对象和组合对象。

类图

Component.java

------------------------------------------------------------------------------------------------------------

public abstract class Component {

public String name ;

public Component(String name) {

this.name = name;

}

public abstract void print();

public void add(Component c)

{

throw new UnsupportedOperationException("不支持");

}

public void remove(Component c)

{

throw new UnsupportedOperationException("不支持");

}

}

------------------------------------------------------------------------------------------------------------

import java.util.ArrayList;

/**

* @author Administrator

* @version 1.0

* @created 23-6月-2020 17:32:59

*/

public class ContainerComponent extends Component {

private ArrayList<Component> children;

private String name;

public ContainerComponent(String name){

super(name);

this.name=name ;

this.children = new ArrayList<Component>();

}

/**

*

* @param c

*/

public void add(Component c){

this.children.add(c);

}

public void print(){

System.out.print("+") ;

System.out.println(this.getClass().getName()+":"+this.name);

if(this.children != null){

System.out.println("**");

for (Component cc : children) {

cc.print() ;

}

}

}

/**

*

* @param c

*/

public void remove(Component c){

this.children.remove(c) ;

}

/**

*

* @param i

*/

public Component getChild(int i){

return this.children.get(i);

}

public ArrayList<Component> getChildren() {

return this.children;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

}

------------------------------------------------------------------------------------------------------------

/**

* @author Administrator

* @version 1.0

* @created 23-6月-2020 17:32:57

*/

public class LeafComponent extends Component {

private String name;

public LeafComponent(String name){

super(name);

this.name=name ;

}

public void print(){

System.out.print(" ") ;

System.out.println(this.getClass().getName()+":"+this.name);

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

}

------------------------------------------------------------------------------------------------------------

/**

* @author Administrator

* @version 1.0

* @created 23-6月-2020 17:33:01

*/

public class WinForm extends ContainerComponent {

public WinForm(String name) {

super(name);

// TODO Auto-generated constructor stub

}

}

Frame 略

------------------------------------------------------------------------------------------------------------

/**

* @author Administrator

* @version 1.0

* @created 23-6月-2020 17:33:10

*/

public class Lable extends LeafComponent {

public Lable(String name) {

super(name);

// TODO Auto-generated constructor stub

}

}

Button 等 略

------------------------------------------------------------------------------------------------------------

public class ClientTest {

public static void main(String[]args){

Component root = new WinForm("windows窗口");

Component frame = new Frame("frame1");

Component pic = new Picture("logo图片");

Component btnLogin = new Button("登录") ;

Component btnRegist = new Button("注册") ;

Component lableUsername = new Lable("用户名") ;

Component lablePassword = new Lable("密码") ;

Component textBox = new TextBox("文本框") ;

Component pwdBox = new PasswordBox("密码框") ;

Component checkBox = new CheckBox("复选框") ;

Component textBox2 = new Lable("记住用户名密码") ;

Component linkLable = new LinkLable("忘记密码") ;

root.add(pic);

root.add(btnLogin);

root.add(btnRegist) ;

frame.add(lableUsername);

frame.add(lablePassword);

frame.add(textBox);

frame.add(textBox2);

frame.add(checkBox);

frame.add(pwdBox);

frame.add(linkLable);

root.add(frame);

root.print();

}

}

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架构师训练营第三章作业