MIME 部分扩展名与类型对应
svg image/svg+xml woff application/x-font-woff
woff2 application/x-font-woff
eot application/vnd.ms-fontobject
.apk application/vnd.android.package-archive
.ipa application/iphone
.asf video/x-ms-asf
.flv video/x-flv
.fif application/fractals
.gif image/gif
.ico image/x-icon
.jfif image/pjpeg
.jpe image/jpeg
.jpeg image/jpeg
.jpg image/jpeg
.ief image/ief
.xlc application/vnd.ms-excel
.xlm application/vnd.ms-excel
.xls application/vnd.ms-excel
.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.gtar application/x-gtar
.gz application/x-gzip