设计模式之工厂模式（女娲造人）

最新推荐文章于 2022-04-28 15:47:15 发布

原创最新推荐文章于 2022-04-28 15:47:15 发布 · 1.9k 阅读

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CC 4.0 BY-SA版权

文章标签：

#设计模式 #框架 #C #C++ #C#

本文介绍了一个基于工厂模式的简单实现案例，通过该模式创建不同的人种对象并展示其特征。文章展示了良好的封装性和代码结构，易于扩展，并讨论了工厂模式的适用场景。

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package design.factory;

public interface AbstractHumanFactory {

	public abstract <T extends Human> T createHuman(Class<T> c);

}

package design.factory;

public class BlackHuman implements Human {

	public void getColor() {
		// TODO Auto-generated method stub
		System.out.println("黑色人种");

	}

	public void talk() {
		// TODO Auto-generated method stub
		System.out.println("非洲语");

	}

}


package design.factory;

public class YellowHuman implements Human {

	public void getColor() {
		// TODO Auto-generated method stub
		System.out.println("黄色人种");

	}

	public void talk() {
		// TODO Auto-generated method stub
		System.out.println("中国话");

	}

}


package design.factory;

public interface Human {

	public void getColor();

	public void talk();

}

package design.factory;

public class HumanFactory implements AbstractHumanFactory {

	public <T extends Human> T createHuman(Class<T> c) {
		// TODO Auto-generated method stub
		Human human = null;
		try{
			human = (Human)Class.forName(c.getName()).newInstance();
		}catch(Exception e){
			e.printStackTrace();
		}
		return (T)human;
	}

}
package design.factory;

public class NvWa {
	public static void main(String[] args){
		AbstractHumanFactory yinyanglu = new HumanFactory();
		Human black = yinyanglu.createHuman(BlackHuman.class);
		black.getColor();
		black.talk();
		Human yellow = yinyanglu.createHuman(YellowHuman.class);
		yellow.getColor();
		yellow.talk();
	}

}