package com.xydl; import org.mybatis.spring.annotation.MapperScan; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.scheduling.annotation.EnableScheduling; @EnableScheduling @MapperScan(basePackages = "com.xydl.mapper") @SpringBootApplication//标识该类为主程序启动类 public class MqttApplication { //主程序启动方法 public static void main(String[] args) { SpringApplication.run(MqttApplication.class,args); } }