Html5游戏开发攻略（免费的音乐面包篇）

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这一篇我们来尝尝免费的面包，至少目前是这样的。

QQ音乐相信大家或多或少都使用过，里面的音乐资源非常多。

这个时候你可能就明白了，没错，我们要在游戏中使用QQ音乐的资源当背景音乐~~~~~哦耶~！

咳咳，不过呢，由于QQ音乐在线接口是加密的，所以我们需要一系列工作来解密并调用。可要做好准备哟！

先放一张预览图：

过程其实很简单。

第一步：申请QQ音乐服务器访问权限。

第二步：获取不同的音乐列表（根据你的选择获取到）。

第三步：根据不同列表进行分析。

第四步：获取音乐信息。

第五步：从音乐信息中分析数据。

第六步：播放音乐。

/*
QQ音乐插件
*/
void function (w) {
// QQ音乐对象
var QQMusic = {};
setInterval(function getJurisdiction() {
/// <summary>申请QQ音乐服务器访问权限</summary>
injectScript("http://qzone-music.qq.com/fcg-bin/fcg_set_musiccookie.fcg?fromtag=31");
return getJurisdiction;
}(), 3 * 60 * 1000);
function injectScript(url) {
/// <summary>引用脚本</summary>
/// <param name="url" type="String">地址</param>
var oScript = document.createElement("script");
oScript.src = url;
oScript.charset = 'gb2312';
document.body.appendChild(oScript);
document.body.removeChild(oScript);
}
function getAlbumPicture(albumId) {
/// <summary>获取专辑图片</summary>
/// <param name="albumId" type="Number">专辑编号</param>
/// <returns type="String">专辑图片地址</returns>
return "http://imgcache.qq.com/music/photo/album/" + parseInt(albumId) % 100 + "/albumpic_" + albumId + "_0.jpg";
}
function getSingerPicture(singerId) {
/// <summary>获取歌手图片</summary>
/// <param name="singerId" type="Number">歌手编号</param>
/// <returns type="String">歌手图片地址</returns>
return "http://imgcache.qq.com/music/photo/singer/" + parseInt(singerId) % 100 + "/singerpic_" + singerId + "_0.jpg";
}
// 回调函数
var cb = null;
QQMusic.getGuessYouLike = function (callback) {
/// <summary>获取猜你喜欢列表</summary>
/// <param name="callback" type="Function">回调函数</param>
var lableId = [];
for (var i = 118; i < 142; i++) {
lableId.push(i);
}
lableId.push(150, 160);
window.JsonCallBack = window.SongRecCallback = listAnalysis;
cb = callback;
injectScript("http://radio.cloud.music.qq.com/fcgi-bin/qm_guessyoulike.fcg?labelid=" + lableId[(lableId.length * Math.random()) | 0] + "&start=0&num=20&rnd=" + new Date().getTime());
};
QQMusic.searchSongs = function (key, callback) {
/// <summary>搜索歌曲</summary>
/// <param name="key" type="String">关键字</param>
/// <param name="callback" type="Function">回调函数</param>
cb = callback;
key = encodeURI(key);
window.MusicJsonCallBack = searchAnalysis;
injectScript("http://s.plcloud.music.qq.com/fcgi-bin/smartbox.fcg?o_utf8=1&utf8=1&key=" + key + "&inCharset=GB2312&outCharset=utf-8");
};
QQMusic.getSongInfo = function (song, callback) {
/// <summary>获取歌曲信息</summary>
/// <param name="key" type="Object">歌曲对象</param>
/// <param name="callback" type="Function">回调函数</param>
cb = function (info) {
info.name = song.name;
info.singer = song.singer;
info.imgUrl = getAlbumPicture(song.albumId);
callback(info);
};
window.JsonCallback = musicAnalysis;
injectScript("http://qzone-music.qq.com/fcg-bin/fcg_mv_getinfo_bysongid.fcg?mids=" + song.mid + "&uin=10000&loginUin=0&hostUin=0&outCharset=utf-8");
};
function listAnalysis(data) {
/// <summary>随机音乐列表解析</summary>
/// <param name="data" type="Array">随机列表数据</param>
var playList = [];
var regexp = new RegExp('(upload|stream)(\\d+)\\.(music\\.qzone\\.soso\\.com|qqmusic\\.qq\\.com)\\/(\\d+)\\.wma');
var replacement = function (word, x, a, y, b) {
return 'stream' + (10 + Number(a)) + '.qqmusic.qq.com/' + (18000000 + Number(b)) + '.mp3';
};
var songs = data.songs;
for (var i = 0; i < songs.length; ++i) {
var song = songs[i];
var args = decodeURIComponent(song.data).replace(/\+/g, ' ').split('|');
var singerId = args[2];
var albumId = args[4];
var name = args[1];
var singer = args[3];
playList.push({
name: name,
singer: singer,
url: decodeURIComponent(song.url).replace(regexp, replacement),
imgUrl: getAlbumPicture(albumId),
singerImgUrl: getSingerPicture(singerId)
});
}
cb && cb(playList);
};
function searchAnalysis(data) {
/// </summary>搜索列表解析</summary>
/// <param name="data" type="Array">搜索列表数据</param>
var songs = data.tips.song;
var albums = data.tips.album;
for (var i = songs.length; i--;) {
songs[i] = {
id: songs[i].id,
mid: songs[i].mid,
name: songs[i].name,
singer: songs[i].singer_name,
albumId: function () {
for (var n = 0; n < albums.length; n++) {
if (albums[n].singer_name == songs[i].singer_name) {
return albums[n].id;
}
}
}()
};
}
cb && cb(songs);
};
function musicAnalysis(data) {
/// <summary>单曲音乐解析</summary>
/// <param name="data" type="Object">单曲音乐源数据</param>
cb && cb({
url: 'http://stream' + (10 + Number(data.num)) + '.qqmusic.qq.com/' + (30000000 + Number(data.mvlist[0].songid)) + '.mp3'
});
};
w.QQMusic = QQMusic;
}(window);