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  • java打印树形目录结构

    import java.io.File;
    
    
    public class MainTest {
        public static void main(String[] args) {
            String dirname = "D:\menu";
            menu(dirname, 0);
        }
        public static void menu(String dirname, int padding){
            File file = new File(dirname);
            if(file.isDirectory()){
                System.out.println(padding_n(padding)+"目录: " + dirname);
                String s[] = file.list();
                for (int i=0; i<s.length; i++){
                    File f = new File(dirname + "/" + s[i]);
                    if(f.isDirectory()){
                        menu(dirname+"\"+s[i], padding+4);
                    }else{
                        System.out.println(padding_n(padding+4)+"文件:"+s[i]);
                    }
                }
            }
        }
        public static String padding_n(int n){
            StringBuffer space = new StringBuffer("");
            for (int i=0; i<n; i++){
                space.append(" ");
            }
            return space.toString();
        }
    }
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  • 原文地址:https://www.cnblogs.com/natian-ws/p/10511308.html
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