java 定时清空 执行任务

<bean id="quartzClock" class="org.springframework.scheduling.quartz.JobDetailBean">  
    <property name="jobClass">   
        <value>java文件路径</value>   
    </property>   
</bean>  

<!-- 这种配置可以精确几点执行定时任务 -->   
<bean id="cronQuartzClock" class="org.springframework.scheduling.quartz.CronTriggerBean">  
    <property name="jobDetail" ref="quartzClock" />  
    <property name="cronExpression">   
        <!--   0/10 * * * * ? 每10秒钟  -->  
        <value>0 0/10 * * * ?</value>  
    </property>   
</bean>   

<!--第三步 启动定时任务,注意这里的ref bean -->   
<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">   
    <property name="triggers">   
        <list>   
            <ref bean="cronQuartzClock" />  
        </list>   
    </property>   
</bean>

java文件
public class XXXX extends QuartzJobBean{
protected void executeInternal(JobExecutionContext arg0) throws JobExecutionException {
logger.debug("定时任务自动收取邮件; 开始.");
}