设计模式之工厂模式

 

工厂模式的介绍 http://www.runoob.com/design-pattern/factory-pattern.html

最关键的是抽象出一个接口，然后创建实现接口的实体类，接着创建一个工厂，生成基于给定信息的实体类的对象。使用该工厂，通过传递类型信息来获取实体类的对象。

 因为本人最喜欢刘亦菲，刘诗诗，舒畅这三个女明星，所以很形象的把工厂模式表现出来。

/*
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 * and open the template in the editor.
 */
package dict1;

/**
 *
 * @author lenovo
 */
 interface Actress 
 {
     public void sleep();
 }
class LiuYiFei implements Actress
{

    @Override
    public void sleep() {
        System.out.println("睡刘亦菲。");
    }
    
}
class LiuShiShi implements Actress
{

    @Override
    public void sleep() {
        System.out.println("睡刘诗诗。");
    }
    
}
class ShuChang implements Actress
{

    @Override
    public void sleep() {
        System.out.println("睡舒畅。");
    }
    
}
class Factory {
    public static Actress fun(String className)
    {
        if("LiuYiFei".equals(className))
            return new LiuYiFei();
        if("LiuShiShi".equals(className))
            return new LiuShiShi();
        if("ShuChang".equals(className))
            return new ShuChang();
        return null;
    }
}
public class Dict1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        String[] str={"LiuYiFei","LiuShiShi","ShuChang"};
        for(int i=0;i<3;i++)
        {
        Actress f = Factory.fun(str[i]);
        f.sleep();
        }
    }
    
}