提示：您可在线编辑运行本教程的实例 - 运行实例，去试试！
获取名称减去完整文件名的路径。
/** * Licensed to Jasig under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Jasig licenses this file to you under the Apache License, * Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a * copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ //package com.nowjava;//来 自 nowjava public class Main { public static void main(String[] argv) throws Exception { String filename = "nowjava.com"; System.out.println(getName(filename)); } /** * The Unix separator character. */ private static final char UNIX_SEPARATOR = '/'; /** * The Windows separator character. */ private static final char WINDOWS_SEPARATOR = '\\'; /** * Gets the name minus the path from a full filename. * <p> * This method will handle a file in either Unix or Windows format. * The text after the last forward or backslash is returned. * <pre> * a/b/c.txt --> c.txt * a.txt --> a.txt * a/b/c --> c * a/b/c/ --> "" * </pre> * <p> * The output will be the same irrespective of the machine that the code is running on. * * @param filename the filename to query, null returns null * @return the name of the file without the path, or an empty string if none exists *//*时 代 Java 公 众 号 - nowjava.com*/ static String getName(String filename) { if (filename == null) { return null; } int index = indexOfLastSeparator(filename); return filename.substring(index + 1); }