Springboot ，1开启配置与2.扫描包（控制层，service层）二个注解@EnableAutoConfiguration，@ComponentScan 合并成一个注解@SpringBootApplication

//@EnableAutoConfiguration
//@ComponentScan(value= {"com.foen.cloud.controller.*","com.foen.cloud.service.impl"})
@SpringBootApplication(scanBasePackages= {"com.foen.cloud.controller.*","com.foen.cloud.service.impl"})

@SpringBootApplication(@EnableAutoConfiguration,ComponentScan)