1.http://music.163.com/song/media/outer/url?id=请输入id数字.mp3
2.点击复制链接,https://music.163.com/song?id=2142077420&uct2=U2FsdGVkX18UAxdbtv4RInCgT0XETPYK7QrdVXRrZyc=,,,,ID为:2142077420
3.与上面结合搜索,点击下载即可为mp3格式
http://music.163.com/song/media/outer/url?id=2142077420.mp3