java 代码 看 目录下 有哪些文件?
package cn.itcast.networkqualityinfo;
import java.io.File;
import java.io.IOException;
/**
* Created by 一个蔡狗 on 2019/12/30.
*/
public class test {
public static void main(String[] args) throws IOException {
//递归遍历文件夹
File f = new File("E:\\2019-传智资料2\\201912月项目\\项目素材");
showInfo(f);
}
public static void showInfo(File f){
if (f.isDirectory()){
System.out.println("文件夹:"+f.getAbsolutePath());
File[] files =f.listFiles();
for (File ff :files
) {
showInfo(ff);
}
}else {
System.out.println("文件"+f.getAbsolutePath());
}
}
}