Content-type 的说明
<?php$mimetypes = array(
ez => application/andrew-inset,jc|6^2_1q+e_
hqx => application/mac-binhex40,9i k)ip H@/a ^3D5H
cpt => application/mac-compactpro,
doc => application/msword,
bin => application/octet-stream,
dms => application/octet-stream,7k.em`x,Xvz5V8jO q
lha => application/octet-stream,*xyv&M(a6p8U
lzh => application/octet-stream,