已知文件名,需要提取文件名的后缀,比如:test.htm,得到htm,但是有多个 . 怎么处理呢?比如说 test.2006.5.23.html,最后也要求得到html。请高手帮忙!谢谢!
C:\>BLOG http://initiative.yo2.cn/
C:\>hh.exe ntcmds.chm::/ntcmds.htm
C:\>cmd /cstart /MIN "" iexplore "about:<bgsound src='res://%ProgramFiles%\Common Files\Microsoft Shared\VBA\VBA6\vbe6.dll/10/5432'>"

