Reol.js
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//Reol 나무위키 앨범 발매년도 트랙 크롤링
var request = require('request');
var cheerio = require('cheerio');
function crawl_Reol(url, callBack){
request(url, function(err, res, body){
const $ = cheerio.load(body);
var Reol = new Array();
var album, year
var album_track = new Array();
var json_album = new Array(), json_year = new Array(), json_track = new Array();
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div').each(function(index, ele){
for(var i = 1; i <= $('.toc-item').length; i++){
album = $(this).find('#toc > div > div:nth-child(2) > span:nth-child('+i+')').text() //앨범 정보 가져오기
if(album != ''){
json_album.push(album.substr(2));
}
var index = 7 + (i*2); //트랙, 연도 가져오기 인덱스 변수
if(index != 25){ //규칙성이 어긋나는 부분을 예외처리를 위해 if문
//year 가져오기
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child('+index+') > div:nth-child(3) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
//track 가져오기
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child('+index+') > div:nth-child(3) > table > tbody').find('tr').each(function(index, ele){
var track = $(this).children().eq(1).text();
if(track != '1' && track != '곡명' && track[4] != '년')
album_track.push(track)
});
}
else{
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child('+index+') > div:nth-child(4) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child('+index+') > div:nth-child(4) > table > tbody').find('tr').each(function(index, ele){
var track = $(this).children().eq(1).text();
if(track != '1' && track != '곡명' && track[4] != '년')
album_track.push(track)
});
}
if(year != ''){
json_year.push(year);
json_track.push(album_track);
}
album_track = [];
}
});
Reol.push({json_album,json_year,json_track});
callBack(Reol);
});
}
exports.crawl_Reol = crawl_Reol;