呦呦呦。我有一个疯狂的想法,要从广告牌的 100 首热门歌曲中获取 50 首,将它们下载到 mp3 文件中,然后将它们放在私有(private)在线电台上。
问题是,我这样做的方式不是逐个下载每个文件,而是将所有音乐放在一个 mp3 文件中。到目前为止,这是我的代码(可怕,我知道......我只是想很快把它放在一起)
const { getChart } = require("billboard-top-100");
const ffmpeg = require("fluent-ffmpeg");
const { mkdir } = require("fs");
const ytdl = require("ytdl-core");
const YT = require("scrape-youtube").default;
getChart('hot-100', (err, chart) => {
if(err) console.log(err);
chart.songs.length = 50;
for (var i = 0; i < chart.songs.length; i++) {
var song = chart.songs[i];
song.artist = song.artist.replace("Featuring", "feat.");
var name = `${song.artist} - ${song.title}`;
YT.search(name).then(res => {
downloadVideo(res.videos[0].link, name).then(_ => { console.log(""); }).catch(console.log);
}).catch(err => console.log(err));
};
});
function downloadVideo(url, name) {
return new Promise((resolve, reject) => {
var stream = ytdl(url, { filter: "audioonly", quality: "highestaudio" });
var start = Date.now();
ffmpeg(stream)
.audioBitrate(128)
.save(`${__dirname}/${new Date().getWeek()}/${name}.mp3`)
.on("end", _ => {
console.log(`Downloaded "${name}.mp3" - Took ${(Date.now() - start) / 1000} seconds.`);
resolve(`${name}.mp3`);
})
.on("error", _ => reject("something went wong"));
});
}
Date.prototype.getWeek = function() {
var onejan = new Date(this.getFullYear(),0,1);
return Math.ceil((((this - onejan) / 86400000) + onejan.getDay()+1)/7);
}
最佳答案
通过使用 forEach 方法而不是常规 for 循环来解决此问题。
关于javascript - 下载 billboard hot 100(但只有 50 个)mp3 文件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/66440704/