将jxl.jar拷贝到"%JREHOME%\lib\ext"目录下。
jxl.jar
Installation
JExcelApi comes packaged as a zipped tar file, called something like jexcelapi_2_0.tar.gz.
To unpack on UNIX systems, at the command
spring 3.0版本以上jar包使用以及依赖关系
spring.jar是包含有完整发布的单个jar包，spring.jar中包含除了 spring-mock.jar里所包含的内容外其它所有jar包的内容，因为只有在开发环境下才会用到spring-mock.jar来进行辅助测试，正式应用系统中是用不得这些类的。
除了spring.jar文件
InstallationJExcelApi comes packaged as a zipped tar file, called something like jexcelapi_2_0.tar.gz.To unpack on UNIX systems, at the command line type gunzip jexcelapi_2_0.tar.gz &
