摘要：
原因：导出jar没有一起导出目录。
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.classcom/wang/util/PropertiesUtil$1.classcom/wang/util/PropertiesUtil.classcom/wang/util/Week.classcom/wang/util/DateUtil.classcom/wang/vo/request/hotel/test/PopularCityRequest.classcom/wang/vo/request/hotel/test/EconomicsRequest.classcom/wang/vo/request/hotel/test/HotelProductVouchRequest.classcom/wang/vo/request/hotel/test/QueryOrderListRequest.classcom/wang/vo/request/hotel/test/HotelListQueryRequest.classcom/wang/vo/request/hotel/test/RoomReserveRequest.classcom/wang/vo/request/hotel/test/HotelOneQueryRequest.classcom/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.classcom/wang/util/PropertiesUtil$1.classcom/wang/util/PropertiesUtil.classcom/wang/util/Week.classcom/wang/util/DateUtil.classcom/wang/vo/ com/wang/vo/request/ com/wang/vo/request/hotel/ com/wang/vo/request/hotel/test/com/wang/vo/request/hotel/test/PopularCityRequest.classcom/wang/vo/request/hotel/test/EconomicsRequest.classcom/wang/vo/request/hotel/test/HotelProductVouchRequest.classcom/wang/vo/request/hotel/test/QueryOrderListRequest.classcom/wang/vo/request/hotel/test/HotelListQueryRequest.classcom/wang/vo/request/hotel/test/RoomReserveRequest.classcom/wang/vo/request/hotel/test/HotelOneQueryRequest.classcom/wang/vo/request/hotel/test/HotelBrandRequest.class