JAVA:修改百度音乐下载下来的文件名

UpdateMp3Name.java

package net.binjoo;

import java.io.File;

public class UpdateMp3Name {
  public static void main(String[] args) {
		String oldPath = "E:\\BaiduMusic\\Songs";
		File file = new File(oldPath);
		File[] files = file.listFiles();

		for (int i = 0; i < files.length; i++) {
			File oldFile = (File) files[i];
			String oldName = oldFile.getName();
			String[] names = oldName.split(" - ");
			String n1 = names[1].split("[.]")[0];
			String n2 = names[0];
			String newName = n1 + " - " + n2 + ".mp3";

			File newFile = new File(oldFile.getParent() + "\\" + newName);
			System.out.print(newFile.getPath());
			if (oldFile.renameTo(newFile)) {
				System.out.println(" === 修改成功！");
			} else {
				System.out.println(" === 修改失败！");
			}
		}
	}
}