Node爬虫入门之制作QQ音乐卡片 | 世外天堂

Node爬虫入门之制作QQ音乐卡片

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字数统计: 781字 | 阅读时长 ≈ 4分钟

本项目基于Node.js制作，根据歌名爬取歌曲链接以及生成JSON卡片，最后通过机器人发送出去

难点

  • 1.处理非标准返回消息至JSON
  • 2.获取vkey
  • 3.音乐卡片JSON的提取

上代码：
以我比较喜欢听的音乐快乐合成器(GUMI)为例子

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const axios = require('axios')
var str = '点歌快乐合成器 GUMI';
var songname = '';
var reg = /点歌(.+)$/gi;			
var arr = reg.exec(str);
songname = encodeURIComponent(arr[1])
var songid = '';
var albumid = '';
var name = '';
var singer = '';
getSongUrl()
//获取音乐ID(返回Promise对象)
function getSongId() {
	return new Promise((resolve, reject) => {
		axios.get(
				"https://c.y.qq.com/soso/fcgi-bin/client_search_cp?ct=24&qqmusic_ver=1298&new_json=1&remoteplace=txt.yqq.song&searchid=66137917959202681&t=0&aggr=1&cr=1&catZhida=1&lossless=0&flag_qc=0&p=1&n=10&w=" +
				songname)
			.then(res => {
				str1 = res.data.replace("callback(", "");
				str2 = str1.replace("})", "}");
				var res1 = JSON.parse(str2);
				songid = res1.data.song.list[0].id;
				albumid = res1.data.song.list[0].album.id;
				name = res1.data.song.list[0].name;
				singer = res1.data.song.list[0].singer[0].name;
				resolve(res1.data.song.list[0].mid)
			})
			.catch(err => {
				reject(err)
			})
	});
}
//获取音乐链接(异步函数)
async function getSongUrl() {
let mid=await getSongId();
axios.get(
		"https://u.y.qq.com/cgi-bin/musicu.fcg?format=json&data=%7B%22req_0%22%3A%7B%22module%22%3A%22vkey.GetVkeyServer%22%2C%22method%22%3A%22CgiGetVkey%22%2C%22param%22%3A%7B%22guid%22%3A%22358840384%22%2C%22songmid%22%3A%5B%22" +
		mid +
		"%22%5D%2C%22songtype%22%3A%5B0%5D%2C%22uin%22%3A%221443481947%22%2C%22loginflag%22%3A1%2C%22platform%22%3A%2220%22%7D%7D%2C%22comm%22%3A%7B%22uin%22%3A%2218585073516%22%2C%22format%22%3A%22json%22%2C%22ct%22%3A24%2C%22cv%22%3A0%7D%7D"
	)
	.then(res => {
		var purl = res.data['req_0']['data']['midurlinfo'][0]['purl']
		var card = {
			app: "com.tencent.structmsg",
			desc: "音乐",
			view: "music",
			ver: "0.0.0.1",
			prompt: "[分享]" + name,
			appID: "",
			sourceName: "",
			actionData: "",
			actionData_A: "",
			sourceUrl: "",
			meta: {
				music: {
					"action": "",
					"android_pkg_name": "",
					"app_type": 1,
					"appid": 100497308,//qq音乐为100497308，网易为100495085
					"desc": singer,
					"jumpUrl": "https:\/\/i.y.qq.com\/v8\/playsong.html?_wv=1&songid=" + songid,
					"musicUrl": "https://isure.stream.qqmusic.qq.com/" + purl,
					"preview": "http:\/\/imgcache.qq.com\/music\/photo\/album_500\/42\/500_albumpic_" + albumid + "_0.jpg",
					"sourceMsgId": "0",
					"source_icon": "",
					"source_url": "",
					"tag": "QQ音乐",
					"title": name
				}
			},
			config: {
				autosize: true,
				ctime: Math.round(new Date().getTime()/1000),
				forward: true,
				token: "3bf9c46bac36e9161d5958394dbb6c2a",
				type: "normal"
			},
			text: "",
			sourceAd: ""
		}
		console.log(card)
	})
	.catch(err => {
		console.log(err)
	})
}

网易音乐的就更简单了,只需请求一次取数据即可

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const axios = require('axios')
var str = '点歌快乐合成器 GUMI';
var songname = '';
var reg = /点歌(.+)$/gi;
var arr = reg.exec(str);
songname = encodeURIComponent(arr[1])
var songid = ''; 
var album = ''; 
var name = ''; 
var singer = ''; 
getSongUrl();
function getSongUrl() {
	axios.get(
			"http://music.163.com/api/search/pc?s=" + songname + "&type=1")
		.then(res => {
			songid = res.data.result.songs[0].id;
			name = res.data.result.songs[0].name;
			album = res.data.result.songs[0].album.picUrl;
			for (let i = 0; i < res.data.result.songs[0].artists.length; i++) {
				if (i == res.data.result.songs[0].artists.length) {
					singer += res.data.result.songs[0].artists[i]['name'];
					break;
				}
				singer += res.data.result.songs[0].artists[i]['name'] + '/';
			}
			var card = {
				app: "com.tencent.structmsg",
				desc: "音乐",
				view: "music",
				ver: "0.0.0.1",
				prompt: "[分享]" + name,
				appID: "",
				sourceName: "",
				actionData: "",
				actionData_A: "",
				sourceUrl: "",
				meta: {
					music: {
						"action": "",
						"android_pkg_name": "",
						"app_type": 1,
						"appid": 100495085,
						"desc": singer,
						"jumpUrl": "http://music.163.com/song/" + songid + "/",
						"musicUrl": "http://music.163.com/song/media/outer/url?id=" + songid + ".mp3",
						"preview": album,
						"sourceMsgId": "0",
						"source_icon": "",
						"source_url": "",
						"tag": "网易云音乐",
						"title": name
					}
				},
				config: {
					autosize: true,
					ctime: Math.round(new Date().getTime() / 1000),
					forward: true,
					token: "3bf9c46bac36e9161d5958394dbb6c2a",
					type: "normal"
				},
				text: "",
				sourceAd: ""
			}
			console.log(card)
		})
		.catch(err => {
			console.log(err)
		})
}