const axios = require('axios')
const iconv = require('iconv-lite')

const url = 'http://ip.asai.cc/?ty=2&ip=3.125.20.111'

// 简化版
axios({
    method: 'get',
    url,
    responseType: "arraybuffer"
}).then(res => {
    console.log(666.901, iconv.decode(res.data, 'gbk'))
})

// 数据流方式
axios({
    url,
    responseType: 'stream' // 以数据流的方式输出
}).then(res => {
    const chunks = []
    res.data.on('data', chunk => {
        chunks.push(chunk)
    })
    res.data.on('end', () => {
        const buffer = Buffer.concat(chunks)
        const str = iconv.decode(buffer, 'gb2312')
        console.log(666.909, str)
    })
})

// 没乱码
axios.get(url, { responseType: 'arraybuffer' })
    .then((response) => {
        console.log(iconv.encodingExists("utf8"))
        str = iconv.decode(Buffer.from(response.data), 'gb2312');
        html = iconv.encode(str, 'utf8').toString();
        console.log(666.908, html)
    })
    .catch((err) => {
        console.log(err)
    })

// 乱码
axios.get(url).then(res => {
    console.log(666.101, res.data)
})