Java递归遍历文件夹详解编程语言

    import java.io.File;   
       
    public class Test {   
       
        /**  
         * @param args  
         * @author blog.ytso.com  
         */   
        public static void main(String[] args) {   
            File f = new File("F:/javaAPI/JavaAPI1.6/java/awt");   
            printFile(f, 0);   
        }   
       
        public static void printFile(File f, int len) {   
            String str = "";   
            for (int i = 0; i < len; i++) {   
                str += "   "; // 路径空格,以便更好的展现层次结构   
            }   
            File file[] = f.listFiles();   
            for (int i = 0; i < file.length; i++) {   
                   
                System.out.println(str + file[i].getName());   
       
                if (file[i].isDirectory()) {   
                    printFile(file[i], len + 1);   
                }   
            }   
        }   
       
    }