Springboot 启动初始化bin，InitializingBean

import org.springframework.beans.factory.InitializingBean;

@Component
public class TestInitializingBean implements InitializingBean{
@Override
public void afterPropertiesSet() throws Exception {
System.out.println("ceshi InitializingBean");
}
public void testInit(){
System.out.println("ceshi init-method");
}
}

此接口可用来注入配置文件中的信息，或者从数据库获取到后注入