102 lines
4.0 KiB
Plaintext
102 lines
4.0 KiB
Plaintext
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package com.example.administrator.ximengjianyu.utils;
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import java.io.File;
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import java.util.Locale;
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/**
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* Created by Xuer on 2017/7/24.
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*/
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public class CheckFileUtils {
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public static String getMIMEType(File file) {
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String type = "*/*";
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String fName = file.getName();
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// 获取后缀名前的分隔符"."在fName中的位置。
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int dotIndex = fName.lastIndexOf(".");
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if (dotIndex < 0) {
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return type;
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}
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/* 获取文件的后缀名 */
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String end = fName.substring(dotIndex, fName.length()).toLowerCase(Locale.getDefault());
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if (end == "")
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return type;
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// 在MIME和文件类型的匹配表中找到对应的MIME类型。
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for (int i = 0; i < MIME_MapTable.length; i++) {
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if (end.equals(MIME_MapTable[i][0]))
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type = MIME_MapTable[i][1];
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}
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return type;
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}// 可以自己随意添加
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public static String[][] MIME_MapTable = {
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// {后缀名，MIME类型}
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{".3gp", "video/3gpp"},
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{".apk", "application/vnd.android.package-archive"},
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{".asf", "video/x-ms-asf"},
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{".avi", "video/x-msvideo"},
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{".bin", "application/octet-stream"},
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{".bmp", "image/bmp"},
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{".c", "text/plain"},
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{".class", "application/octet-stream"},
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{".conf", "text/plain"},
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{".cpp", "text/plain"},
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{".doc", "application/msword"},
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{".docx",
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"application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
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{".xls", "application/vnd.ms-excel"},
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{".xlsx",
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"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
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{".exe", "application/octet-stream"},
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{".gif", "image/gif"},
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{".gtar", "application/x-gtar"},
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{".gz", "application/x-gzip"},
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{".h", "text/plain"},
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{".htm", "text/html"},
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{".html", "text/html"},
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{".jar", "application/java-archive"},
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{".java", "text/plain"},
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{".jpeg", "image/jpeg"},
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{".jpg", "image/jpeg"},
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{".js", "application/x-javascript"},
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{".log", "text/plain"},
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{".m3u", "audio/x-mpegurl"},
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{".m4a", "audio/mp4a-latm"},
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{".m4b", "audio/mp4a-latm"},
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{".m4p", "audio/mp4a-latm"},
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{".m4u", "video/vnd.mpegurl"},
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{".m4v", "video/x-m4v"},
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{".mov", "video/quicktime"},
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{".mp2", "audio/x-mpeg"},
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{".mp3", "audio/x-mpeg"},
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{".mp4", "video/mp4"},
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{".mpc", "application/vnd.mpohun.certificate"},
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{".mpe", "video/mpeg"},
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{".mpeg", "video/mpeg"},
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{".mpg", "video/mpeg"},
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{".mpg4", "video/mp4"},
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{".mpga", "audio/mpeg"},
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{".msg", "application/vnd.ms-outlook"},
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{".ogg", "audio/ogg"},
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{".pdf", "application/pdf"},
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{".png", "image/png"},
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{".pps", "application/vnd.ms-powerpoint"},
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{".ppt", "application/vnd.ms-powerpoint"},
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{".pptx",
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"application/vnd.openxmlformats-officedocument.presentationml.presentation"},
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{".prop", "text/plain"}, {".rc", "text/plain"},
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{".rmvb", "audio/x-pn-realaudio"}, {".rtf", "application/rtf"},
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{".sh", "text/plain"}, {".tar", "application/x-tar"},
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{".tgz", "application/x-compressed"}, {".txt", "text/plain"},
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{".wav", "audio/x-wav"}, {".wma", "audio/x-ms-wma"},
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{".wmv", "audio/x-ms-wmv"},
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{".wps", "application/vnd.ms-works"}, {".xml", "text/plain"},
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{".z", "application/x-compress"},
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{".zip", "application/x-zip-compressed"},
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{".tif", "image/tiff"},
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{".tiff", "image/tiff"},
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{".amr", "video/*"},
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// { "", "*/*" }
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};
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}
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