爬个音乐（偶然成功）

import java.io.*;
import java.net.*;

public class music {
    public static void main(String[] args) {
        String url = "https://so-sycdn.kuwo.cn/be03eabe6fb97db366c8bd8abec24c99/6487dd87/resource/n2/45/62/2538321004.mp3";
        String fileName = "E://music.mp3";

        try {
            URL musicUrl = new URL(url);
            HttpURLConnection connection = (HttpURLConnection) musicUrl.openConnection();
            BufferedInputStream in = new BufferedInputStream(connection.getInputStream());
            FileOutputStream out = new FileOutputStream(fileName);

            byte[] buffer = new byte[1024];
            int length;
            while ((length = in.read(buffer)) != -1) {
                System.out.println("正在爬取");
                out.write(buffer, 0, length);
            }
            out.close();
            in.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}