@Scheduled 读取配置文件获取cron值

@PropertySource("classpath:/config.ini")

@Component

public class TaskDemo{

    @Bean
     public static PropertySourcesPlaceholderConfigurer propertyConfigInDev() 
     {return new PropertySourcesPlaceholderConfigurer();}  //使spring能够识别 ${cron} 

 @Scheduled(cron ="${cron}") //从配置文件config.ini获取cron值

public void fun(){

            System.out.println("任务执行");

           }

}

config.ini 文件内容

cron=*/5 * * * * ?