nodeJS简易爬虫

源码：

const http = require('https')

const fs = require('fs')

let url = 'https://www.qq.com/'

http.get(url,(res) =>{

    //只要接收就会触发chunk
    let rawData = ''
    res.on('data',(chunk)=>{
      rawData +=  chunk.toString('utf8')
      console.log(chunk.toString('utf8'))
    })

    res.on('end',()=>{
        console.log('数据传输完毕')
        fs.writeFileSync('./bibi.html',rawData)
    })
}).on('error',(err)=>{
    console.log('请求错误')
})