fortnite/server/index.js

var http = require('http')
var fs = require('fs')
var cheerio = require('cheerio');
var request = require('request');

var url = "http://www.fortnitechests.info/app/challenges/challenges.html"
var resUrl = "http://www.fortnitechests.info/"
var Data = []
var $ = null

function startRequest(url) {
    console.log('开始下载...')
    http.get(url, (res) => {
        let html = ''
        res.on('data', (data) => {
            html += data
        })
        res.on('end', () => {
            $ = cheerio.load(html)            
            getPageImg(html)
            getWeekInfo(html)
        })
    })
}

function getPageImg(html) {
    let picArr = []
    $('img').each(function() {
        let imgPath = $(this).attr('src')
        let imgSrc = resUrl + imgPath
        let imgName = imgPath.split('/').pop()
        request(imgSrc).pipe(fs.createWriteStream('./assets/' + imgName))
    })
    console.log('下载完成...')
}

function getWeekInfo(html) {
    $('div[role="tablist"]').each(function() {
        $(this).find('tbody tr').each(function() {
            let $td = $(this).find('td')
            let $img = $td.eq(0).find('img')
            let icon = []
            $img.each(function() {
                let picName = $(this).attr('src').split('/').pop()
                icon.push(picName)
            })
            let challenge = $td.eq(1).html()
            let reward = $td.eq(2).html()
            console.log(challenge)
            Data.push({
                challenge,
                reward,
                icon
            })
        })
    })
    fs.writeFile('data.json', JSON.stringify(Data), err => {
        console.log('data.json创建成功')
    })
}

startRequest(url)

console.log('server start...')