const request = require("request");
const fs = require("fs");
for(let i = 1; i < 3; i++) {
let imgUrl = ‘http://s0.hao123img.com/res/img/logo/logonew.png‘;
let filename = `test${i}.png`;
request(imgUrl).pipe(fs.createWriteStream("./image/" + filename));
}
原文：https://www.cnblogs.com/muou2125/p/11652193.html