百度音乐接口的使用

百度公开有一个音乐接口，里面分好了频道类别。下面是3个接口的一个url地址。

const QString url_getOnlineChannel = "http://fm.baidu.com/dev/api/?tn=channellist";             //url->频道ID
const QString url_getOnlineSheet = "http://fm.baidu.com/dev/api/?tn=playlist&format=json&id=";  //频道ID->歌曲ID
const QString url_getOnlineMusic = "http://music.baidu.com/data/music/fmlink?type=mp3&rate=320&songIds=";  //歌曲ID->歌曲信息

访问每个url都会返回一个JSON的信息，通过解析JSON来获取其中的信息。
流程就如url地址一样，分为3步：

获取频道列表。
无条件访问 http://fm.baidu.com/dev/api/?tn=channellist 。
这里可以获取到所有的频道信息，如下：
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获取歌曲列表。
通过上述获取到的 channel_id 信息加在 http://fm.baidu.com/dev/api/?tn=playlist&format=json&id= 后，便可以得到该频道的音乐信息。
如访问：http://fm.baidu.com/dev/api/?tn=playlist&format=json&id=public_yuzhong_yueyu ，获取如下JSON
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获取具体的歌曲信息。
同样，根据上述JSON获得 id 信息加上 http://music.baidu.com/data/music/fmlink?type=mp3&rate=320&songIds= 便可以获得某一首歌的具体信息。
如访问：http://music.baidu.com/data/music/fmlink?type=mp3&rate=320&songIds=913503 ，获得如下的json：
{"errorCode":22000,"data":{"xcode":"4496e58ee1d77dfb10372a4da22c77ae","songList":[{"queryId":"913503","songId":913503,"songName":"\u5915\u9633\u65e0\u9650\u597d","artistId":"1077","artistName":"\u9648\u5955\u8fc5","albumId":689097,"albumName":"U-87","songPicSmall":"http://musicdata.baidu.com/data2/pic/88653138/88653138.jpg@s_0,w_90","songPicBig":"http://musicdata.baidu.com/data2/pic/88653138/88653138.jpg@s_0,w_150","songPicRadio":"http://musicdata.baidu.com/data2/pic/88653138/88653138.jpg@s_0,w_300","lrcLink":"http://musicdata.baidu.com/data2/lrc/13982404/13982404.lrc","version":"","copyType":0,"time":244,"linkCode":22000,"songLink":"http://yinyueshiting.baidu.com/data2/music/136477439/913503140400320.mp3?xcode=4496e58ee1d77dfbd1fcd5f6c50b1ab0","showLink":"http://yinyueshiting.baidu.com/data2/music/136477439/913503140400320.mp3?xcode=4496e58ee1d77dfbd1fcd5f6c50b1ab0","format":"mp3","rate":320,"size":9773199,"relateStatus":"0","resourceType":"0","source":"web"}]}}
其中：songLink便是歌曲真实的在线可播放地址，还有其他许多的信息可以直接通过JSON上的Name信息看懂，就不一一赘述了。

最后编辑于：2017.12.06 06:47:25

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