Spring------自动化装配Bean（二）

 1 package soundsystem;
 2 import org.springframework.context.annotation.Bean;
 3 import org.springframework.context.annotation.ComponentScan;
 4 import org.springframework.context.annotation.Configuration;
 5 
 6 @Configuration
 7 public class JavaConfig2 {
 8     @Bean
 9     public CompactDisc sgtPeppers(){
10         
11         System.out.println("自行扩展业务逻辑1");
12         return new SgtPeppers();        
13     }    
14     @Bean
15     public CDPlayer cdplayer(){
16         //Cdplayer依赖于CompactDisc，在这里一起装配
17         System.out.println("自行扩展业务逻辑2");
18         return new CDPlayer(sgtPeppers());    
19     }
20 }