Spring定时器

<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean" autowire="no">
   <property name="triggers">
    <list>
    <ref bean="jobStartExportJar4LogTask"/>
    </list>
   </property>
   <property name="autoStartup" value="true"/>
</bean>

<bean id="jobStartExportJar4LogTask" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
   <property name="jobDetail" ref="taskStartExportJar4LogTask"/>
   <property name="cronExpression" value="*/21 * * * * ?"/>
</bean>
<bean id="taskStartExportJar4LogTask" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
   <property name="targetObject" ref="importWebLogLogic"/>
   <property name="targetMethod" value="startExportJar"/>
   <property name="concurrent" value="false"/>
</bean>

<bean id="importWebLogLogic" class="com.drop.logic.imports.weblog.impl.ImportWebLogLogicImpl" />

public class ImportWebLogLogicImpl extends BasicLogicImpl implements ImportWebLogLogic {
 public void startExportJar() {

    }
}