用asp实现读取文件的最后一行的代码

function fsolastline(filename)
dim fso,f,temparray,tempcnt
set fso = server.createobject("scripting.filesystemobject")
if not fso.fileexists(server.mappath(filename)) then exit function
set f = fso.opentextfile(server.mappath(filename),1)
if not f.atendofstream then
tempcnt = f.readall
f.close
set f = nothing
temparray = split(tempcnt,chr(13)&chr(10))
fsolastline = temparray(ubound(temparray))
end if
end function