@Controller

@Service

@Repository

@Component

@ComponentScan

@SpringBootApplication

@Configuration

@EnableAutoConfiguration

@RestController

@ResponseBody

@Bean

@AutoWired

@Resource(name=“name”,type=“type”)

@Qualifier

@RequestMapping

@RequestParam

//@RequestParam 将请求参数绑定到方法参数上
public String queryUserName(@RequestParam(value="userName" ,required =false ) String userName)

@PathVariable

RequestMapping("user/get/mac/{macAddress}")
public String getByMacAddress(@PathVariable String macAddress){
　　//do something;
}

@Profiles

`

`