1、
@Configuration是标注配置文件，@ComponentScan(value = "com.wsd")扫描哪些包可以加入容器，默认control、service、compcont、prepertity注解可以
@Configuration
@ComponentScan(value = "com.wsd")
public class Myconfig {
// @Bean
// public Person person() {
// return new Person("hehehehe");
//}
}
2、AnnotationConfigApplicationContex 和classpathapplicationcontext是ApplicationContex和子类，具有不同功能
public class App
{
public static void main( String[] args )
{
AnnotationConfigApplicationContext ap= new AnnotationConfigApplicationContext(Myconfig.class);
String[] strings=ap.getBeanDefinitionNames();
for (int i = 0; i < strings.length; i++) {
System.out.println(strings[i]);
}
}
}
原文：https://www.cnblogs.com/caidachun-didi/p/11874088.html