eclipse&myeclipse 生成jar包后,spring无法扫描到bean定义

问题：eclipse&myeclipse 生成jar包后,spring无法扫描到bean定义

在使用getbean或者扫包时注入bean失败，但在IDE里是可以正常运行的？

原因：导出jar未将目录一起导出。

解决方法：将代码目录一起导出：一定要勾选 Add directory enttries

区别：

代码结构：

未勾选，导出内容为：

META-INF/MANIFEST.MF
com/wang/util/DateStyle.class
com/wang/util/PropertiesUtil$1.class
com/wang/util/PropertiesUtil.class
com/wang/util/Week.class
com/wang/util/DateUtil.class
com/wang/vo/request/hotel/test/PopularCityRequest.class
com/wang/vo/request/hotel/test/EconomicsRequest.class
com/wang/vo/request/hotel/test/HotelProductVouchRequest.class
com/wang/vo/request/hotel/test/QueryOrderListRequest.class
com/wang/vo/request/hotel/test/HotelListQueryRequest.class
com/wang/vo/request/hotel/test/RoomReserveRequest.class
com/wang/vo/request/hotel/test/HotelOneQueryRequest.class
com/wang/vo/request/hotel/test/HotelBrandRequest.class

勾选，导出内容为：

META-INF/MANIFEST.MF
com/
com/wang/
com/wang/util/
com/wang/util/DateStyle.class
com/wang/util/PropertiesUtil$1.class
com/wang/util/PropertiesUtil.class
com/wang/util/Week.class
com/wang/util/DateUtil.class
com/wang/vo/
com/wang/vo/request/
com/wang/vo/request/hotel/
com/wang/vo/request/hotel/test/
com/wang/vo/request/hotel/test/PopularCityRequest.class
com/wang/vo/request/hotel/test/EconomicsRequest.class
com/wang/vo/request/hotel/test/HotelProductVouchRequest.class
com/wang/vo/request/hotel/test/QueryOrderListRequest.class
com/wang/vo/request/hotel/test/HotelListQueryRequest.class
com/wang/vo/request/hotel/test/RoomReserveRequest.class
com/wang/vo/request/hotel/test/HotelOneQueryRequest.class
com/wang/vo/request/hotel/test/HotelBrandRequest.class