详解在Spring3中使用注解(@Scheduled)创建计划任务

 package com.zywang.spring.task;  import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Component;   @Component public class SpringTaskDemo {    @Scheduled(fixedDelay = 5000)   void doSomethingWithDelay(){     System.out.println("I'm doing with delay now!");   }      @Scheduled(fixedRate = 5000)   void doSomethingWithRate(){     System.out.println("I'm doing with rate now!");   }      @Scheduled(cron = "0/5 * * * * *")   void doSomethingWith(){     System.out.println("I'm doing with cron now!");   } }