1.安装iconv-lite

npm install iconv-lite

2.iconv-lite网址如下

iconv-lite

 https://github.com/ashtuchkin/iconv-lite

3.使用iconv-lite例子代码如下

let http = require("https");
let iconv = require("iconv-lite");
let url="https://www.2717.com/ent/meinvtupian/"
http.get(url,res=>{
    let data =[];
   res.on("data",chunk =>{
       data.push(chunk)
   } );
   res.on("end",()=>{
       // console.log("下载完成");
       let html='';
       html= iconv.decode(Buffer.concat(data),"gbk");
       console.log(html);
   });
});