nodejs request gb2312乱码的问题

http://www.cnblogs.com/linka/p/6658055.html

https://cnodejs.org/topic/53142ef833dbcb076d007230

// npm i request cheerio iconv-lite
const request = require('request');
const cheerio = require('cheerio');
const iconv = require('iconv-lite');

request({
    url: 'http://roll.mil.news.sina.com.cn/col/zgjq/index.shtml',
    encoding : null
}, function (err, response, body) {
    if (err) throw new Error(err.message);
    var str = iconv.decode(response.body, 'GBK').toString();
    console.log(, str)
});