import java.io.File;
import java.io.IOException;
public class Demo {
public static void main(String[] args) {
File fileTree = new File("E:\\idea_workhouse\\ssm");...
package cn.african.utils;
import java.io.File;
public class FileUtil {
public static void delFolder(String dirPath){
File file = new File(dirPath);
i...
package com.wl;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.TreeMap;
public class Ms {
public static void main(St...