Spring 定時器的應用及表達式解釋

先看applicationContext.xml下面的beans

2. <!-- Trigger -->
5. <bean id="autoJob" class="com.spring.app.AutoJob" />
7. <bean id="autoTask" class="com.spring.app.AutoTask" />
9. <bean name="autoWeekly" class="org.springframework.scheduling.quartz.JobDetailBean">
10. <property name="jobClass" value="com.spring.app.AutoWeekly" />
11. </bean>
13. <bean id="job" class="org.springframework.scheduling.quartz.SimpleTriggerBean">
15. <property name="jobDetail" ref="jobDetail" />
16. <property name="startDelay" value="10000" />
17. <property name="repeatInterval" value="50000" />
18. </bean>
20. <bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
21. <property name="jobDetail" ref="autoWeekly" />
22. <!-- run every morning at 6 AM -->
23. <property name="cronExpression" value="0 33 18 * * ?" />
24. </bean>
26. <bean id="scheduledTask" class="org.springframework.scheduling.timer.ScheduledTimerTask">
27. <!-- wait 10 seconds before starting repeated execution -->
28. <property name="delay" value="1000" />
29. <!-- run every 50 seconds -->
30. <property name="period" value="5000" />
31. <property name="timerTask" ref="autoTask" />
32. </bean>
33. <!-- 使用TimerFactoryBean來設置任務 -->
34. <bean id="timerFactory" class="org.springframework.scheduling.timer.TimerFactoryBean">
35. <property name="scheduledTimerTasks">
36. <list>
37. <ref bean="scheduledTask" />
38. </list>
39. </property>
40. </bean>
42. <bean id="jobDetail"
43. class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
44. <property name="targetObject" ref="autoJob" />
45. <property name="targetMethod" value="doIt" />
46. <property name="concurrent" value="false" />
47. </bean>
49. <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
50. <property name="triggers">
51. <list>
52. <ref bean="cronTrigger" />
53. <ref bean="job" />
54. </list>
55. </property>
56. </bean>
58. <!-- Trigger end -->