官网：http://quartz-scheduler.org/
学习文档：http://quartz-scheduler.org/documentation/quartz-2.1.x/tutorials/
例子：http://quartz-scheduler.org/documentation/quartz-2.1.x/examples/
spring集成官网：http://static.springsource.org/spring/docs/3.1.x/spring-framework-reference/html/scheduling.html#scheduling-quartz
http://blog.csdn.net/lan861698789/article/details/7620104