文件后缀与mime类型对应表

//文档文件类型的

    .ai application/postscript
    .eps application/postscript
    .exe application/octet-stream
    .doc application/vnd.ms-word
    .xls application/vnd.ms-excel
    .ppt application/vnd.ms-powerpoint
    .pps application/vnd.ms-powerpoint
    .pdf application/pdf
    .xml application/xml
    .odt application/vnd.oasis.opendocument.text
    .swf application/x-shockwave-flash

//压缩文件类型的

    .gz application/x-gzip
    .tgz application/x-gzip
    .bz application/x-bzip2
    .bz2 application/x-bzip2
    .tbz application/x-bzip2
    .zip application/zip
    .rar application/x-rar
    .tar application/x-tar
    .7z application/x-7z-compressed

//文字类型

    .txt text/plain
    .php text/x-php
    .html text/html
    .htm text/html
    .js text/javascript
    .css text/css
    .rtf text/rtf
    .rtfd text/rtfd
    .py text/x-python
    .java text/x-java-source
    .rb text/x-ruby
    .sh text/x-shellscript
    .pl text/x-perl
    .sql text/x-sql

//图片类型的

    .bmp image/x-ms-bmp
    .jpg image/jpeg
    .jpeg image/jpeg
    .gif image/gif
    .png image/png
    .tif image/tiff
    .tiff image/tiff
    .tga image/x-targa
    .psd image/vnd.adobe.photoshop

//音频文件类型的

    .mp3 audio/mpeg
    .mid audio/midi
    .ogg audio/ogg
    .mp4a audio/mp4
    .wav audio/wav
    .wma audio/x-ms-wma

//视频文件类型的

    .avi video/x-msvideo
    .dv video/x-dv
    .mp4 video/mp4
    .mpeg video/mpeg
    .mpg video/mpeg
    .mov video/quicktime
    .wm video/x-ms-wmv
    .flv video/x-flv
    .mkv video/x-matroska

转自：https://www.cnblogs.com/dengyg200891/p/6012802.html