package com.matrix.component.ueditor.define; import java.util.HashMap; import java.util.Map; public class FileType { public static final String JPG = "JPG"; private static final Map types = new HashMap(){{ put( FileType.JPG, ".jpg" ); }}; public static String getSuffix ( String key ) { return FileType.types.get( key ); } /** * 根据给定的文件名,获取其后缀信息 * @param filename * @return */ public static String getSuffixByFilename ( String filename ) { return filename.substring( filename.lastIndexOf( "." ) ).toLowerCase(); } }