文件类型总结 MIME

    {".3gp",    "video/3gpp"},
    {".apk",    "application/vnd.android.package-archive"},
    {".asf",    "video/x-ms-asf"},
    {".avi",    "video/x-msvideo"},
    {".bin",    "application/octet-stream"},
    {".bmp",      "image/bmp"},
    {".c",        "text/plain"},
    {".class",    "application/octet-stream"},
    {".conf",    "text/plain"},
    {".cpp",    "text/plain"},
    {".doc",    "application/msword"},
    {".exe",    "application/octet-stream"},
    {".gif",    "image/gif"},
    {".gtar",    "application/x-gtar"},
    {".gz",        "application/x-gzip"},
    {".h",        "text/plain"},
    {".htm",    "text/html"},
    {".html",    "text/html"},
    {".jar",    "application/java-archive"},
    {".java",    "text/plain"},
    {".jpeg",    "image/jpeg"},
    {".jpg",    "image/jpeg"},
    {".js",        "application/x-javascript"},
    {".log",    "text/plain"},
    {".m3u",    "audio/x-mpegurl"},
    {".m4a",    "audio/mp4a-latm"},
    {".m4b",    "audio/mp4a-latm"},
    {".m4p",    "audio/mp4a-latm"},
    {".m4u",    "video/vnd.mpegurl"},
    {".m4v",    "video/x-m4v"},    
    {".mov",    "video/quicktime"},
    {".mp2",    "audio/x-mpeg"},
    {".mp3",    "audio/x-mpeg"},
    {".mp4",    "video/mp4"},
    {".mpc",    "application/vnd.mpohun.certificate"},        
    {".mpe",    "video/mpeg"},    
    {".mpeg",    "video/mpeg"},    
    {".mpg",    "video/mpeg"},    
    {".mpg4",    "video/mp4"},    
    {".mpga",    "audio/mpeg"},
    {".msg",    "application/vnd.ms-outlook"},
    {".ogg",    "audio/ogg"},
    {".pdf",    "application/pdf"},
    {".png",    "image/png"},
    {".pps",    "application/vnd.ms-powerpoint"},
    {".ppt",    "application/vnd.ms-powerpoint"},
    {".prop",    "text/plain"},
    {".rar",    "application/x-rar-compressed"},
    {".rc",        "text/plain"},
    {".rmvb",    "audio/x-pn-realaudio"},
    {".rtf",    "application/rtf"},
    {".sh",        "text/plain"},
    {".tar",    "application/x-tar"},    
    {".tgz",    "application/x-compressed"}, 
    {".txt",    "text/plain"},
    {".wav",    "audio/x-wav"},
    {".wma",    "audio/x-ms-wma"},
    {".wmv",    "audio/x-ms-wmv"},
    {".wps",    "application/vnd.ms-works"},
    //{".xml",    "text/xml"},
    {".xml",    "text/plain"},
    {".z",        "application/x-compress"},
    {".zip",    "application/zip"},
    {"",        "*/*"}