1 下载工具
唧唧Down
下载下来的文件名
image.png
2 代码
package com.qy.zk;
import java.io.File;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class ReadFile {
private final static String split = ".";
public static void main(String[] args) {
String path = "F:\\vue\\学 Vue.js 看这个就够了";
List<String> names = new ArrayList<>();
File file = new File(path);
if (file.isDirectory()) {
File[] listFiles = file.listFiles();
for (File file2 : listFiles) {
String name = file2.getName();
// System.out.println(name);
// System.out.println(name.indexOf(split));
String substring = name.substring(name.indexOf(split) + 1, name.indexOf("("));
// System.out.println(substring);
String index = name.substring(0, name.indexOf("."));
DecimalFormat format = new DecimalFormat("000");
String num = format.format(new Integer(index));
// System.out.println(num);
names.add(num + "-" + substring);
}
Collections.sort(names, (o1, o2) -> o1.compareTo(o2));
names.forEach(i -> System.out.println(i));
}
}
}
