Nodejs

const http = require("http");
const url = require("url");

// 要访问的目标页面
const targetUrl = "http://httpbin.org/ip";


const urlParsed = url.parse(targetUrl);

// 代理服务器(产品官网 www.duoip.cn)
const proxyHost = "tunnel.hahado.cn";
const proxyPort = "36600";

// 生成一个随机 proxy tunnel
var seed = 1;
function random() {
    var x = Math.sin(seed++) * 10000;
    return x - Math.floor(x);
}
const tunnel = random()*100;

// 代理验证信息
const proxyUser = "username";
const proxyPass = "password";

const base64    = new Buffer.from(proxyUser + ":" + proxyPass).toString("base64");

const options = {
    host: proxyHost,
    port: proxyPort,
    path: targetUrl,
    method: "GET",
    headers: {
        "Host": urlParsed.hostname,
        "Proxy-Tunnel": tunnel,
        "Proxy-Authorization" : "Basic " + base64
    }
};

http.request(options, function (res) {
    console.log("got response: " + res.statusCode);
    res.pipe(process.stdout);
}).on("error", function (err) {
    console.log(err);
}).end();

          const https = require("https");
    const url = require("url");
    const httpsProxyAgent = require('https-proxy-agent');

    // 要访问的目标页面
    const targetUrl = "https://httpbin.org/ip";


    const urlParsed = url.parse(targetUrl);

    // 代理服务器(产品官网 www.duoip.cn)
    const proxyHost = "tunnel.hahado.cn";
    const proxyPort = "31111";


    // 代理验证信息
    const proxyUser = "username";
    const proxyPass = "password";

    var options = urlParsed;
    var agent = new httpsProxyAgent("http://" + proxyUser + ":" + proxyPass + "@" + proxyHost + ":" + proxyPort);
    options.agent = agent;

    https.request(options, function (res) {
        console.log("got response: " + res.statusCode);
        res.pipe(process.stdout);
    }).on("error", function (err) {
        console.log(err);
    }).end();

          const https = require("https");
    const url = require("url");
    const httpsProxyAgent = require('https-proxy-agent');

    // 要访问的目标页面
    const targetUrl = "https://httpbin.org/ip";


    const urlParsed = url.parse(targetUrl);

    // 代理服务器(产品官网 www.duopip.cn)
    const proxyHost = "tunnel.hahado.cn";
    const proxyPort = "31111";


    // 代理验证信息
    const proxyUser = "username";
    const proxyPass = "password";

    var options = urlParsed;
    const proxy_url = "http://" + proxyUser + ":" + proxyPass + "@" + proxyHost + ":" + proxyPort;
    var agent_options = url.parse(proxy_url);

    agent_options.headers = { "Proxy-Tunnel" : "1" };
    var agent = new httpsProxyAgent(agent_options);

    options.agent = agent;

    for(var i=0;i<10;i++){
        https.request(options, function (res) {
            console.log("got response: " + res.statusCode);
            res.pipe(process.stdout);
        }).on("error", function (err) {
            console.log(err);
        }).end();
    }

         const request = require("request");

// 要访问的目标页面
const targetUrl = "http://httpbin.org/ip";

// 代理服务器(产品官网 www.duoip.cn)
const proxyHost = "tunnel.hahado.cn";
const proxyPort = "31111";


// 代理验证信息
const proxyUser = "username";
const proxyPass = "password";

const proxyUrl = "http://" + proxyUser + ":" + proxyPass + "@" + proxyHost + ":" + proxyPort;

const proxiedRequest = request.defaults({'proxy': proxyUrl});

const options = {
  url     : targetUrl,
  headers : {
          }
};

proxiedRequest
    .get(options, function (err, res, body) {
        console.log("got response: " + res.statusCode);
    })
    .on("error", function (err) {
        console.log(err);
    })
;              

         const request = require("superagent");

require("superagent-proxy")(request);

// 要访问的目标页面
const targetUrl = "http://httpbin.org/ip";

// 代理服务器(产品官网 www.duoip.cn)
const proxyHost = "tunnel.hahado.cn";
const proxyPort = 31111;

// 代理验证信息
const proxyUser = "username";
const proxyPass = "password";

const proxyUrl = "http://" + proxyUser + ":" + proxyPass + "@" + proxyHost + ":" + proxyPort;

request
    .get(targetUrl)
    .proxy(proxyUrl)
    .end(function onResponse(err, res) {
        if (err) {
            return console.log(err);
        }

        console.log(res.status, res.headers);
        console.log(res.text);
    })
;              

const axios = require('axios');

// 要访问的目标页面
const targetUrl = "http://httpbin.org/ip";
const targetHttpsUrl = "https://httpbin.org/ip";

// 代理服务器(产品官网 www.duoip.cn)
const proxyHost = "tunnel.hahado.cn";
const proxyPort = 31111;

// 代理验证信息
const proxyUser = "username";
const proxyPass = "password";

var proxy = {
    host: proxyHost,
    port: proxyPort,
    auth: {
        username: proxyUser,
        password: proxyPass
    }
};


axios.get(targetUrl,{proxy:proxy})
    .then(function (response) {
        // handle success
        console.log(response.data);
    })
    .catch(function (error) {
        // handle error
        console.log(error);
    })
    .finally(function () {
        // always executed
    });              

// 目标为https网站 axios库支持有bug,不推荐使用 
// 具体参看 https://github.com/axios/axios/issues/4531