guice基本使用,配置模块的两种方式（三）

 1 package com.ming.user.test;
 2 
 3 import com.google.inject.AbstractModule;
 4 
 5 /**
 6  * 继承 AbstractModule这个抽象类
 7  * @author Administrator
 8  *
 9  */
10 public class TestModule extends AbstractModule{
11 
12     @Override
13     protected void configure() {
14         
15         bind(Dog.class).to(DarkDog.class);
16         
17     }
18 }

 1 package com.ming.user.test;
 2 
 3 import com.google.inject.Binder;
 4 import com.google.inject.Module;
 5 
 6 /**
 7  * 实现module 接口
 8  * @author mingge
 9  *
10  */
11 public class GoogleGuiceModule implements Module{
12 
13     @Override
14     public void configure(Binder arg) {
15         arg.bind(Dog.class).to(DarkDog.class);
16     }
17 
18     
19 }

1 package com.ming.user.test;
2 
3 public class Dog {
4     
5     void eat(){
6         System.out.println("父类的在go，go,go。。。");
7     }
8 }

 1 package com.ming.user.test;
 2 
 3 public class DarkDog extends Dog{
 4 
 5     @Override
 6     void eat() {
 7         System.out.println("heeeelo");
 8         //super.eat();
 9     }
10 
11     
12 }

 1 package com.ming.user.test;
 2 
 3 import com.google.inject.AbstractModule;
 4 
 5 /**
 6  * 继承 AbstractModule这个抽象类
 7  * @author Administrator
 8  *
 9  */
10 public class TestModule extends AbstractModule{
11 
12     @Override
13     protected void configure() {
14         
15         bind(Dog.class).to(DarkDog.class);
16         
17     }
18 }

 1 package com.ming.user.test;
 2 
 3 import com.google.inject.Binder;
 4 import com.google.inject.Module;
 5 
 6 /**
 7  * 实现module 接口
 8  * @author mingge
 9  *
10  */
11 public class GoogleGuiceModule implements Module{
12 
13     @Override
14     public void configure(Binder arg) {
15         arg.bind(Dog.class).to(DarkDog.class);
16     }
17 
18     
19 }

 1 package com.ming.user.test;
 2 
 3 import com.google.inject.Guice;
 4 import com.google.inject.Injector;
 5 
 6 
 7 public class Test {
 8     
 9     public static void main(String[] args) {
10          Injector injector = Guice.createInjector(new GoogleGuiceModule());  
11          // Injector injector = Guice.createInjector(new TestModule()()); //跟上一行代码目标意义一样哦
12          Dog dog=injector.getInstance(Dog.class);
13          dog.eat();
14     }
15 }