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@@ -0,0 +1,78 @@
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+package spiderutil
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+
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+import (
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+ "fmt"
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+ "strings"
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+)
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+
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+var fileTypeMap map[string]string = map[string]string{
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+ "ffd8ffe000104a464946": "jpg", //JPEG (jpg)
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+ "89504e470d0a1a0a0000": "png", //PNG (png)
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+ "474946383961": "gif", //GIF (gif)
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+ "49492a00227105008037": "tif", //TIFF (tif)
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+ "424d228c010000000000": "bmp", //16色位图(bmp)
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+ "424d8240090000000000": "bmp", //24位位图(bmp)
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+ "424d8e1b030000000000": "bmp", //256色位图(bmp)
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+ "41433130313500000000": "dwg", //CAD (dwg)
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+ "3c21444f435459504520": "html", //HTML (html)
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+ "3c21646f637479706520": "htm", //HTM (htm)
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+ "48544d4c207b0d0a0942": "css", //css
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+ "696b2e71623d696b2e71": "js", //js
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+ "7b5c727466315c616e73": "rtf", //Rich Text Format (rtf)
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+ "38425053000100000000": "psd", //Photoshop (psd)
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+ "46726f6d3a203d3f6762": "eml", //Email [Outlook Express 6] (eml)
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+ "d0cf11e0a1b11ae10000": "doc", //MS Excel 注意：word、msi 和 excel的文件头一样
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+ "504b0304140006000800": "docx", //docx、pptx文件
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+ "504b03040a0000000000": "docx",
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+ //"d0cf11e0a1b11ae10000": "vsd", //Visio 绘图
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+ "5374616E64617264204A": "mdb", //MS Access (mdb)
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+ "252150532D41646F6265": "ps",
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+ "25504446": "pdf", //Adobe Acrobat (pdf) 25504446 255044462d312e350d0a
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+ "2e524d46000000120001": "rmvb", //rmvb/rm相同
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+ "464c5601050000000900": "flv", //flv与f4v相同
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+ "00000020667479706d70": "mp4",
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+ "49443303000000002176": "mp3",
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+ "000001ba210001000180": "mpg", //
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+ "3026b2758e66cf11a6d9": "wmv", //wmv与asf相同
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+ "52494646e27807005741": "wav", //Wave (wav)
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+ "52494646d07d60074156": "avi",
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+ "4d546864000000060001": "mid", //MIDI (mid)
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+ "504b0304140000000800": "zip",
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+ "504b0304140000000000": "zip",
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+ "526172211a0700": "rar", //526172211a0700 526172211a0700cf9073
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+ "235468697320636f6e66": "ini",
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+ "504b0304140008000800": "jar",
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+ "4d5a9000030000000400": "exe", //可执行文件
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+ "3c25402070616765206c": "jsp", //jsp文件
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+ "4d616e69666573742d56": "mf", //MF文件
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+ "3c3f786d6c2076657273": "xml", //xml文件
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+ "494e5345525420494e54": "sql", //xml文件
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+ "7061636b616765207765": "java", //java文件
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+ "406563686f206f66660d": "bat", //bat文件
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+ "1f8b0800000000000000": "gz", //gz文件
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+ "6c6f67346a2e726f6f74": "properties", //bat文件
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+ "cafebabe0000002e0041": "class", //bat文件
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+ "49545346030000006000": "chm", //bat文件
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+ "04000000010000001300": "mxp", //bat文件
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+ "504b0304140004000800": "xlsx", //xlsx文件
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+ //"d0cf11e0a1b11ae10000": "wps", //WPS文字wps、表格et、演示dps都是一样的
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+ "6431303a637265617465": "torrent",
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+
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+ "6D6F6F76": "mov", //Quicktime (mov)
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+ "FF575043": "wpd", //WordPerfect (wpd)
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+ "CFAD12FEC5FD746F": "dbx", //Outlook Express (dbx)
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+ "2142444E": "pst", //Outlook (pst)
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+ "AC9EBD8F": "qdf", //Quicken (qdf)
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+ "E3828596": "pwl", //Windows Password (pwl)
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+ "2E7261FD": "ram", //Real Audio (ram)
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+}
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+
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+func GetFileType(bt []byte) string {
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+ start := fmt.Sprintf("%x", bt[:10])
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+ for k, v := range fileTypeMap {
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+ if strings.HasPrefix(start, k) {
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+ return v
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+ }
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+ }
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+ return ""
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+}
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