362 lines
14 KiB
JavaScript
362 lines
14 KiB
JavaScript
const fs = require('fs');
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const path = require('path');
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const dbUtils = require('../utils/dbUtils');
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const requestUtils = require('../utils/requestUtils');
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const sleepUtils = require('../utils/sleepUtils');
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async function main() {
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console.log("neteaseMusic Starting...");
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// 指定数据库
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dbUtils.create("neteaseMusic");
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// getMusicInfo({ songId: "1855221507" });
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// getMusicInfo({ songId: "1855221517" });
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// getMusicInfo({ songId: "1861632812" });
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// getArtistInfo({ artistId: "1079074" });
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// getArtistInfo({ artistId: "1079075" });
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// getAlbumInfo({ albumId: "74268047" });
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// getAlbumInfo({ albumId: "129327797" });
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// 不是所有歌手都有个人主页 例如 https://music.163.com/#/artist?id=1079075
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// getUserInfo({ userId: "37365202" });
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// getUserInfo({ userId: "29879272" });
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while (true) {
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// 删除脏数据
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var affectRows1 = await dbUtils.query(`DELETE FROM song_artist_relation WHERE song_id = 0 OR artist_id = 0`, []);
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var affectRows2 = await dbUtils.query(`DELETE FROM song_album_relation WHERE song_id = 0 OR album_id = 0`, []);
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console.log(affectRows1.affectedRows, affectRows2.affectedRows);
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await startGetMusic(1);
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}
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}
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async function startGetMusic(sleepTime) {
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// 从数据库中查出还缺少的歌曲，并进行爬取
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console.log("start fetching songs ...");
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let songIds = await dbUtils.query(`
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SELECT DISTINCT song_id FROM song_artist_relation WHERE song_id NOT IN ( SELECT DISTINCT song_id FROM song )
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UNION
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SELECT DISTINCT song_id FROM song_album_relation WHERE song_id NOT IN ( SELECT DISTINCT song_id FROM song )
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`, []);
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songIds = songIds.map(item => item.song_id);
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for (let i = 0; i < songIds.length; i++) {
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const songId = songIds[i];
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console.log(`${i}/${songIds.length} | song: ${songId} | ${await statistics()}`);
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await getMusicInfo({ songId: songId });
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await sleepUtils.sleep(sleepTime);
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if (fs.readFileSync('stop.txt') == "1") {
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throw new Error(`Stopped`);
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}
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}
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// 从数据库中查出还缺少的专辑，并进行爬取
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console.log("start fetching albums ...")
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let albumIds = await dbUtils.query(`
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SELECT DISTINCT album_id FROM song_album_relation WHERE album_id NOT IN ( SELECT DISTINCT album_id FROM album )
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`, []);
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albumIds = albumIds.map(item => item.album_id);
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for (let i = 0; i < albumIds.length; i++) {
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const albumId = albumIds[i];
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console.log(`${i}/${albumIds.length} | album: ${albumId} | ${await statistics()}`);
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await getAlbumInfo({ albumId: albumId });
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await sleepUtils.sleep(sleepTime);
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if (fs.readFileSync('stop.txt') == "1") {
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throw new Error(`Stopped`);
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}
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}
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// 从数据库中查出还缺少的歌手，并进行爬取
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console.log("start fetching albums ...")
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let artistIds = await dbUtils.query(`
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SELECT DISTINCT artist_id FROM song_artist_relation WHERE artist_id NOT IN ( SELECT DISTINCT artist_id FROM artist )
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`, []);
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artistIds = artistIds.map(item => item.artist_id);
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for (let i = 0; i < artistIds.length; i++) {
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const artistId = artistIds[i];
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console.log(`${i}/${artistIds.length} | artist: ${artistId} | ${await statistics()}`);
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await getArtistInfo({ artistId: artistId });
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await sleepUtils.sleep(sleepTime);
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if (fs.readFileSync('stop.txt') == "1") {
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throw new Error(`Stopped`);
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}
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}
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}
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async function statistics() {
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let sql = `
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SELECT
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song_count,
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album_count,
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artist_count,
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song_album_count,
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song_artist_count
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FROM
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( SELECT count(*) AS song_count FROM song ) t1,
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( SELECT count(*) AS album_count FROM album ) t2,
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( SELECT count(*) AS artist_count FROM artist ) t3,
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( SELECT count(*) AS song_album_count FROM song_album_relation ) t4,
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( SELECT count(*) AS song_artist_count FROM song_artist_relation ) t5`;
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let result = await dbUtils.query(sql, []);
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let songCount = result[0].song_count;
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let albumCount = result[0].album_count;
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let artistCount = result[0].artist_count;
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let songAlbumCount = result[0].song_album_count;
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let songArtistCount = result[0].song_artist_count;
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return `song: ${songCount}, album: ${albumCount}, artist: ${artistCount} | songAlbum: ${songAlbumCount}, songArtist: ${songArtistCount}`;
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}
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// 获取音乐详情
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async function getMusicInfo({ songId }) {
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let result = await dbUtils.query('SELECT count(*) as count FROM song WHERE song_id = ?', [songId]);
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if (result[0].count > 0) {
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console.log(`数据库中已有数据，跳过 songId: ${songId}`);
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return;
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// let songResult = await dbUtils.query('SELECT * FROM song WHERE song_id = ?', [songId]);
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// songResult = JSON.parse(JSON.stringify(songResult));
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// let songArtistResult = await dbUtils.query('SELECT * FROM song_artist_relation WHERE song_id = ?', [songId]);
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// songArtistResult = JSON.parse(JSON.stringify(songArtistResult));
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// songResult.artistIds = songArtistResult.map(song => song.artist_id);
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// let songAlbumResult = await dbUtils.query('SELECT * FROM song_album_relation WHERE song_id = ?', [songId]);
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// songAlbumResult = JSON.parse(JSON.stringify(songAlbumResult));
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// songResult.albumId = songAlbumResult.map(song => song.album_id)[0];
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// // console.log(songResult);
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// return songResult;
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}
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let url = `https://music.163.com/song?id=${songId}`;
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try {
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// var html = fs.readFileSync(path.join(__dirname, "../temp", `song-${songId}.html`), 'utf8');
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var html = await requestUtils.getApiResult(url);
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// fs.writeFileSync(path.join(__dirname, "../temp", `song-${songId}.html`), html);
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} catch (errors) {
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console.error(errors);
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return;
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}
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// console.log(html);
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// 正则匹配
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let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
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let songInfoJSONString = regExResult[1];
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let songInfoDict = JSON.parse(songInfoJSONString);
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// console.log(songInfoDict);
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let title = /<meta property="og:title" content="(.*?)" \/>/.exec(html)[1];
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let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];
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let artist = /<meta property="og:music:artist" content="(.*?)" \/>/.exec(html)[1];
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let duration = /<meta property="music:duration" content="(.*?)"\/>/.exec(html)[1];
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try {
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var album = /<meta property="og:music:album" content="(.*?)"\/>/.exec(html)[1];
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var albumId = /<meta property="music:album" content="https:\/\/music\.163\.com\/album\?id=(.*?)"\/>/.exec(html)[1];
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} catch (err) {
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// 歌曲不在专辑中
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}
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const reg = /<meta property="music:musician" content="https:\/\/music\.163\.com\/artist\?id=(.*?)"\/>/g;
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let artistIds = [];
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let matched = null;
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while ((matched = reg.exec(html)) !== null) {
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artistIds.push(matched[1]);
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}
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let songInfo = {
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songId: songId,
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title: title,
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image: image,
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pubDate: songInfoDict.pubDate,
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artist: artist,
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artistIds: artistIds,
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album: album || null,
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albumId: albumId || null,
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duration: duration,
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};
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// console.log("songInfo", songInfo);
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dbUtils.query('INSERT IGNORE INTO song SET ?', {
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song_id: songInfo.songId,
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title: songInfo.title,
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image: songInfo.image,
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pub_date: songInfo.pubDate,
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});
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if (albumId != null)
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dbUtils.query('INSERT IGNORE INTO song_album_relation SET ?', {
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song_id: songInfo.songId,
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album_id: songInfo.albumId,
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});
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artistIds.forEach(function (artistId) {
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dbUtils.query('INSERT IGNORE INTO song_artist_relation SET ?', {
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song_id: songInfo.songId,
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artist_id: artistId,
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});
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});
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return songInfo;
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}
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// 获取音乐人详情
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async function getArtistInfo({ artistId }) {
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let result = await dbUtils.query('SELECT count(*) as count FROM artist WHERE artist_id = ?', [artistId]);
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if (result[0].count > 0) {
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console.log(`数据库中已有数据，跳过 artistId: ${artistId}`);
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return;
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// // let artistResult = await dbUtils.query('SELECT * FROM artist LEFT JOIN song_artist_relation ON artist.artist_id = song_artist_relation.artist_id WHERE artist.artist_id = ?', [artistId]);
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// let artistResult = await dbUtils.query('SELECT * FROM artist WHERE artist_id = ?', [artistId]);
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// artistResult = JSON.parse(JSON.stringify(artistResult));
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// let songArtistResult = await dbUtils.query('SELECT * FROM song_artist_relation WHERE artist_id = ?', [artistId]);
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// songArtistResult = JSON.parse(JSON.stringify(songArtistResult));
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// artistResult.songIds = songArtistResult.map(song => song.song_id);
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// // console.log(artistResult);
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// return artistResult;
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}
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let url = `https://music.163.com/artist?id=${artistId}`;
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try {
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// var html = fs.readFileSync(path.join(__dirname, "../temp", `artist-${artistId}.html`), 'utf8');
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var html = await requestUtils.getApiResult(url);
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// fs.writeFileSync(path.join(__dirname, "../temp", `artist-${artistId}.html`), html);
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} catch (errors) {
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console.error(errors);
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return;
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}
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// console.log(html);
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// 正则匹配
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let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
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let artistInfoJSONString = regExResult[1];
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let artistInfoDict = JSON.parse(artistInfoJSONString);
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// console.log(artistInfoDict);
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let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];
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let songListJSONString = /<textarea id="song-list-pre-data" style="display:none;">(.*?)<\/textarea>/.exec(html)[1];
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let songList = JSON.parse(songListJSONString);
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let songIds = songList.map(song => song.id);
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let artistInfo = {
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artistId: artistId,
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title: artistInfoDict.title,
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image: image,
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description: artistInfoDict.description,
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pubDate: artistInfoDict.pubDate,
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songIds: songIds,
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};
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// console.log("artistInfo", artistInfo);
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dbUtils.query('INSERT IGNORE INTO artist SET ?', {
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artist_id: artistInfo.artistId,
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title: artistInfo.title,
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description: artistInfo.description,
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image: artistInfo.image,
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pub_date: artistInfo.pubDate,
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});
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songIds.forEach(function (songId) {
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if (isNaN(Number(songId)) || Number(songId) === 0 || isNaN(Number(artistId)) || Number(artistId) === 0)
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return;
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dbUtils.query('INSERT IGNORE INTO song_artist_relation SET ?', {
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song_id: songId,
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artist_id: artistId,
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});
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});
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return artistInfo;
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}
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// 获取专辑详情
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async function getAlbumInfo({ albumId }) {
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let result = await dbUtils.query('SELECT count(*) as count FROM album WHERE album_id = ?', [albumId]);
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if (result[0].count > 0) {
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console.log(`数据库中已有数据，跳过 albumId: ${albumId}`);
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return;
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// let albumResult = await dbUtils.query('SELECT * FROM album WHERE album_id = ?', [albumId]);
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// albumResult = JSON.parse(JSON.stringify(albumResult));
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// let songAlbumResult = await dbUtils.query('SELECT * FROM song_album_relation WHERE album_id = ?', [albumId]);
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// songAlbumResult = JSON.parse(JSON.stringify(songAlbumResult));
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// albumResult.songIds = songAlbumResult.map(song => song.song_id);
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// // console.log(albumResult);
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// return albumResult;
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}
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let url = `https://music.163.com/album?id=${albumId}`;
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try {
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// var html = fs.readFileSync(path.join(__dirname, "../temp", `album-${albumId}.html`), 'utf8');
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var html = await requestUtils.getApiResult(url);
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// fs.writeFileSync(path.join(__dirname, "../temp", `album-${albumId}.html`), html);
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} catch (errors) {
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console.error(errors);
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return;
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}
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// console.log(html);
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// 正则匹配
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let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
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let albumInfoJSONString = regExResult[1];
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let albumInfoDict = JSON.parse(albumInfoJSONString);
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// console.log(albumInfoDict);
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let company = null;
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try {
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company = /<p class="intr"><b>发行公司：<\/b>\n(.*?)\n<\/p>/.exec(html)[1];
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} catch (e) {
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}
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let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];
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let songListJSONString = /<textarea id="song-list-pre-data" style="display:none;">(.*?)<\/textarea>/.exec(html)[1];
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let songList = JSON.parse(songListJSONString);
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let songIds = songList.map(song => song.id);
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let albumInfo = {
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albumId: albumId,
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title: albumInfoDict.title,
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image: image,
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description: albumInfoDict.description,
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pubDate: albumInfoDict.pubDate,
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company: company,
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songIds: songIds,
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};
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// console.log("albumInfo", albumInfo);
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dbUtils.query('INSERT IGNORE INTO album SET ?', {
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album_id: albumInfo.albumId,
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title: albumInfo.title,
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description: albumInfo.description,
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image: albumInfo.image,
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pub_date: albumInfo.pubDate,
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company: albumInfo.company,
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});
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songIds.forEach(function (songId) {
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if (isNaN(Number(songId)) || Number(songId) === 0 || isNaN(Number(albumId)) || Number(songId) === 0)
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return;
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dbUtils.query('INSERT IGNORE INTO song_album_relation SET ?', {
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song_id: songId,
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album_id: albumId,
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});
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});
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return albumInfo;
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}
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// // 获取音乐人详情
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// async function getUserInfo({ userId }) {
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// let url = `https://music.163.com/user/home?id=${userId}`;
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// try {
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// var html = fs.readFileSync(path.join(__dirname, "../temp", ` user-${userId}.html`), 'utf8');
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// } catch (errors) {
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// var html = await requestUtils.getApiResult(url);
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// fs.writeFileSync(path.join(__dirname, "../temp", ` user-${userId}.html`), html);
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// }
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// // console.log(html);
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// }
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module.exports = {
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main: main,
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} |