package test; import java.io.File; public class FileName { /** * @param args */ public static void main(String[] args) { // 举例: String fName =" G:\Java_Source\navigation_tigra_menu\demo1\img\lev1_arrow.gif "; // 方法一: File tempFile =new File( fName.trim()); String fileName = tempFile.getName(); System.out.println("fileName = " + fileName); // 方法二: String fName = fName.trim(); String fileName = fName.substring(fName.lastIndexOf("/")+1); //或者 String fileName = fName.substring(fName.lastIndexOf("\")+1); System.out.println("fileName = " + fileName); // 方法三: String fName = fName.trim(); String temp[] = fName.split("\\"); /**split里面必须是正则表达式,"\"的作用是对字符串转义*/ String fileName = temp[temp.length-1]; System.out.println("fileName = " + fileName); } }