package soundsystem;
import org.springframework.stereotype.Component;
//@Component注解会告诉Spring创建这个类的实例bean(注意,启动Component注解功能需要在xml里面配置)
@Component("newName")
public class SgtPeppers implements CompactDisc {
private String title="Pepper's Lonely";
private String artist="The beatles";
SgtPeppers(){
System.out.println("SgtPeppers类实例化");
}
public void play() {
System.out.println("Sgt Playing:title="+title+" artist="+artist);
}
}
package soundsystem;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class SpringTest2 {
@BeforeClass
public static void setUpBeforeClass() throws Exception {
}
@Test
public void instanceSpring(){
//将配置传过去,实例化容器
ApplicationContext ctx = new ClassPathXmlApplicationContext("bean.xml");
SgtPeppers sp = (SgtPeppers)ctx.getBean("newName");
sp.play();
}
}
@Component("newName")//给Bean实例重新命名为:newName
@Component//Bean实例默认命名:类名首字母小写