网络资源下载

网络资源下载

//1下载地址 URL url = new URL
//2连接到这个资源 HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
//3下载 流-->InputStream inputStream = urlConnection.getInputStream(); FileOutputStream fos = new FileOutputStream("G:\music.m4a");
//4关闭资源

package Liu.URL;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;


public class UrlDownLoad {
    public static void main(String[] args) throws IOException {
        //1下载地址
        URL url = new URL("https://m701.music.126.net/20220319150758/9aa7249626a797314e2ed1cfad41bb6b/jdyyaac/015a/5259/025a/603087e667e391674ac550a240ab60c5.m4a");

        //2连接到这个资源
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        InputStream inputStream = urlConnection.getInputStream();

        //3下载
        FileOutputStream fos = new FileOutputStream("G:\\music.m4a");
        int len = 0;
        byte[] data = new byte[50];
        while ((len = inputStream.read(data)) != -1) {
            fos.write(data, 0, len);
        }
        //4关闭资源
        fos.close();
        inputStream.close();
        urlConnection.disconnect();
    }
}