package com.ming.user.test;

 import com.google.inject.AbstractModule;

 /**

  * 继承 AbstractModule这个抽象类

  * @author Administrator

  *

  */

 public class TestModule extends AbstractModule{

     @Override

     protected void configure() {

         bind(Dog.class).to(DarkDog.class);

     }

 }

 package com.ming.user.test;

 import com.google.inject.Binder;

 import com.google.inject.Module;

 /**

  * 实现module 接口

  * @author mingge

  *

  */

 public class GoogleGuiceModule implements Module{

     @Override

     public void configure(Binder arg) {

         arg.bind(Dog.class).to(DarkDog.class);

     }

 }

 package com.ming.user.test;

 public class Dog {

     void eat(){

         System.out.println("父类的在go，go,go。。。");

     }

 }

 package com.ming.user.test;

 public class DarkDog extends Dog{

     @Override

     void eat() {

         System.out.println("heeeelo");

         //super.eat();

     }

 }

 package com.ming.user.test;

 import com.google.inject.AbstractModule;

 /**

  * 继承 AbstractModule这个抽象类

  * @author Administrator

  *

  */

 public class TestModule extends AbstractModule{

     @Override

     protected void configure() {

         bind(Dog.class).to(DarkDog.class);

     }

 }

 package com.ming.user.test;

 import com.google.inject.Binder;

 import com.google.inject.Module;

 /**

  * 实现module 接口

  * @author mingge

  *

  */

 public class GoogleGuiceModule implements Module{

     @Override

     public void configure(Binder arg) {

         arg.bind(Dog.class).to(DarkDog.class);

     }

 }

 package com.ming.user.test;

 import com.google.inject.Guice;

 import com.google.inject.Injector;

 public class Test {

     public static void main(String[] args) {

          Injector injector = Guice.createInjector(new GoogleGuiceModule());

          // Injector injector = Guice.createInjector(new TestModule()()); //跟上一行代码目标意义一样哦

          Dog dog=injector.getInstance(Dog.class);

          dog.eat();

     }

 }