node下载流媒体

//文件下载
var fs = require("fs");
var path = require("path");
var request = require("request");

//创建文件夹目录
var dirPath = path.join(__dirname, "file");
if (!fs.existsSync(dirPath)) {
    fs.mkdirSync(dirPath);
    console.log("文件夹创建成功");
} else {
    console.log("文件夹已存在");
}

//循环多线程下载
for (let i = 11; i <= 1000; i++) {
    let fileName = `${i}.mp4`;
    let url = `http://video.olinee.com/xiao/${i}.mp4`;
    let stream = fs.createWriteStream(path.join(dirPath, fileName));
    request(url).pipe(stream).on("close", function (err) {
        console.log(`${fileName}下载完毕`);
    });
    console.log(request(url).pipe(stream))
}