Spring Boot 查看IOC容器所有组件

public static void main(String[] args) {
		// 1.返回IOC容器
		ConfigurableApplicationContext run = SpringApplication.run(DemoApplication.class, args);
		// 2.查看容器里的组件
		String[] names = run.getBeanDefinitionNames();
		for (String name : names) {
			System.out.println(name);
		}
	}