package word;

import java.io.File;

import java.io.FileNotFoundException;

public class Aa {

    static iong numb=0;//总大小

    public static void main(String[] args) throws FileNotFoundException {

        // TODO 自动生成的方法存根

        String path = "C:\\File";        //要遍历的路径

        File file = new File(path);        //获取其file对象

        fil(file);

        System.out.println(numb);

    }

    public static void  fil(File a) throws FileNotFoundException

    {

        String path =a.getPath();

        File file = new File(path);        //获取其file对象

        File[] fs = file.listFiles();    //遍历path下的文件和目录，放在File数组中

        for(File f:fs){                    //遍历File[]数组

            if(!f.isDirectory())        //若非目录(即文件)，对其进行遍历

            {

            numb+=f.length();//获取文件大小}

            else { fil(f);

            }

            }

        }

   }