温故而知新原来cheerio还可以操作XML

以前只以为cheerio是nodejs版本的jQuery，可以轻松操作提取HTML，没想到原来还可以操作XML，记录一下。

示例XML: pg132.rdf

xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:marcrel="http://id.loc.gov/vocabulary/relators/"
xmlns:dcam="http://purl.org/dc/dcam/"
xmlns:dcterms="http://purl.org/dc/terms/"
xmlns:pgterms="http://www.gutenberg.org/2009/pgterms/"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:cc="http://web.resource.org/cc/"
>

Public domain in the USA.


Military art and science -- Early works to 1800

text/plain; charset=us-ascii


2013-02-11T14:23:32
130802



application/zip








U

1656

2018-11-01T01:14:54.714978
147635



application/epub+zip




See Project Gutenberg's eBook #17405 for this same text without the translator's annotations, and an HTML version.&＃13;
See also Wikipedia: &＃13;
http://en.wikipedia.org/wiki/The_Art_of_War

application/x-mobipocket-ebook




598683
2018-11-01T01:14:57.358911

Sun Tzu

Sunzi, active 6th century B.C.

孫子

孙子

2018-11-01T01:14:54.344995



text/html



375823

2018-11-01T01:14:56.056948
598690



application/x-mobipocket-ebook





Project Gutenberg
The Art of War

343691

2018-11-01T01:14:54.006974



text/plain






War -- Early works to 1800

1910

application/epub+zip




147634
2018-11-01T01:14:54.597966




en

2013-02-11T14:22:50
343688


text/plain; charset=us-ascii








Text

Giles, Lionel

1958

1875

Sunzi bing fa. English

12393



application/rdf+xml


2018-12-27T04:59:45.761871


1994-05-01

2018-11-01T01:14:54.423973



text/html


375823

Translated from the Chinese by Lionel Giles, M.A. (1910)


Archives containing the RDF files for *all* our books can be downloaded at
http://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog



en.wikipedia


zh.wikipedia


en.wikipedia


View Code

index.js

'use strict';
const cheerio = require('cheerio');
const fs = require('fs');
const rdf = fs.readFileSync(`${__dirname}/pg132.rdf`);
const $ = cheerio.load(rdf)
const book = {};
// 找到

的132.(并且转化为int类型)
book.id = +$('pgterms\\:ebook').attr('rdf:about').replace('ebooks/', '')
book.title = $('dcterms\\:title').text()