代码样例-Http代理

本文档包含编程请求http代理服务器的代码样例,供开发者参考。

代码样例使用说明

  1. 代码样例不能直接运行,因为代码中的订单号9266892014xxxxx、代理IP和端口号59.38.241.25:23916、用户名username、密码password都是虚构的,请替换成您自己的信息。
  2. 代码样例正常运行所需的运行环境和注意事项在样例末尾均有说明,使用前请仔细阅读。
  3. 使用代码样例过程中遇到问题请联系售后客服,我们会为您提供技术支持。

Python3

requests

requests(推荐)

使用提示

  1. 基于requests的代码样例支持访问http,https网页,推荐使用
  2. requests不是python原生库,需要安装才能使用: pip install requests
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用requests请求代理服务器
请求http和https网页均适用
"""

import requests

# 提取代理API接口,获取1个代理IP
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"

# 获取API接口返回的代理IP
proxy_ip = requests.get(api_url).text

# 用户名密码方式
username = "username"
password = "password"
proxies = {
    "http": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip},
    "https": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip}
}

# 白名单方式(需提前设置白名单)
# proxies = {
#     "http": "http://%(proxy)s/" % {"proxy": proxy_ip},
#     "https": "http://%(proxy)s/" % {"proxy": proxy_ip}
# }

# 要访问的目标网页
target_url = "https://dev.kdlapi.com/testproxy"

# 使用代理IP发送请求
response = requests.get(target_url, proxies=proxies)

# 获取页面内容
if response.status_code == 200:
    print(response.text)

aiohttp

aiohttp

使用提示

  1. 基于aiohttp的代码样例支持访问http,https网页
  2. aiohttp不是python原生库,需要安装才能使用: pip install aiohttp
  3. aiohttp只支持Python3.5及以上
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用aiohttp请求代理服务器
请求http和https网页均适用

"""

import aiohttp
import asyncio
import requests

page_url = "https://dev.kdlapi.com/testproxy"  # 要访问的目标网页

# API接口,返回格式为json
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"  # API接口

# API接口返回的ip
proxy_ip = requests.get(api_url).text

# 用户名和密码(私密代理/独享代理)
username = "username"
password = "password"

proxy_auth = aiohttp.BasicAuth(username, password)

async def fetch(session, url):
    # 取消证书验证,避免访问https网页报错
    async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(ssl=False)) as session:
        async with session.get(url, proxy="http://"+proxy_ip, proxy_auth=proxy_auth) as response:
            return await response.text()

async def main():
    async with aiohttp.ClientSession() as session:
        html = await fetch(session, page_url)
        print(html)

if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())

httpx

httpx

使用提示

  1. 基于httpx的代码样例支持访问http,https网页
  2. httpx不是python原生库,需要安装才能使用: pip install httpx
  3. httpx运行环境要求 Python3.6+
  4. httpx暂时还不支持SOCKS代理
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用requests请求代理服务器
请求http和https网页均适用
"""

import httpx
import requests

# API接口,返回格式为json
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"  # API接口

# API接口返回的ip
proxy_ip = requests.get(api_url).text

# 用户名和密码(私密代理/独享代理)
username = "username"
password = "password"


proxy_url = "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip}

proxies = httpx.Proxy(
    url=proxy_url,
    mode="DEFAULT"
)

with httpx.Client(proxies=proxies) as client:
    r = client.get('http://dev.kdlapi.com/testproxy')
    print(r.text)

urllib

urllib

使用提示

  • 基于urllib的代码样例同时支持访问http和https网页
  • 运行环境要求 python3.x
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用urllib请求代理服务器
请求http和https网页均适用
"""

import urllib.request
import ssl

# 全局取消证书验证,避免访问https网页报错
ssl._create_default_https_context = ssl._create_unverified_context

# 提取代理API接口,获取1个代理IP
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"

# 获取API接口返回的IP
proxy_ip = urllib.request.urlopen(api_url).read().decode('utf-8')

# 用户名密码方式
username = "username"
password = "password"
proxies = {
    "http": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip},
    "https": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip}
}

# 白名单方式(需提前设置白名单)
# proxies = {
#     "http": "http://%(proxy)s/" % {"proxy": proxy_ip},
#     "https": "http://%(proxy)s/" % {"proxy": proxy_ip}
# }

# 要访问的目标网页
target_url = "https://dev.kdlapi.com/testproxy"

# 使用代理IP发送请求
proxy_support = urllib.request.ProxyHandler(proxies)
opener = urllib.request.build_opener(proxy_support)
urllib.request.install_opener(opener)
response = urllib.request.urlopen(target_url)

# 获取页面内容
if response.code == 200:
    print(response.read().decode('utf-8'))

Python2

requests

requests(推荐)

使用提示

  1. 基于requests的代码样例支持访问http,https网页,推荐使用
  2. requests不是python原生库,需要安装才能使用: pip install requests
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用requests请求代理服务器
请求http和https网页均适用
"""

import requests

# 提取代理API接口,获取1个代理IP
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"

# 获取API接口返回的代理IP
proxy_ip = requests.get(api_url).text

# 用户名密码方式
username = "username"
password = "password"
proxies = {
    "http": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip},
    "https": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip}
}

# 白名单方式(需提前设置白名单)
# proxies = {
#     "http": "http://%(proxy)s/" % {"proxy": proxy_ip},
#     "https": "https://%(proxy)s/" % {"proxy": proxy_ip}
# }

# 要访问的目标网页
target_url = "https://dev.kdlapi.com/testproxy"

# 使用代理IP发送请求
response = requests.get(target_url, proxies=proxies)

# 获取页面内容
if response.status_code == 200:
    print response.text

urllib2

urllib2

使用提示

  • 基于urllib2的代码样例同时支持访问http和https网页
  • 运行环境要求 python2.6 / 2.7
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
使用urllib2请求代理服务器
请求http和https网页均适用
"""

import urllib2
import ssl

# 全局取消证书验证,避免访问https网页报错
ssl._create_default_https_context = ssl._create_unverified_context  

# 提取代理API接口,获取1个代理IP
api_url = "http://dps.kdlapi.com/api/getdps/?orderid=9266892014xxxxx&num=1&pt=1&sep=1"

# 获取API接口返回的IP
proxy_ip = urllib2.urlopen(api_url).read()

# 用户名密码方式
username = "username"
password = "password"
proxies = {
    "http": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip},
    "https": "http://%(user)s:%(pwd)s@%(proxy)s/" % {"user": username, "pwd": password, "proxy": proxy_ip}
}

# 白名单方式(需提前设置白名单)
# proxies = {
#     "http": "http://%(proxy)s/" % {"proxy": proxy_ip},
#     "https": "http://%(proxy)s/" % {"proxy": proxy_ip}
# }

# 要访问的目标网页
target_url = "https://dev.kdlapi.com/testproxy"

# 使用代理IP发送请求
proxy_support = urllib2.ProxyHandler(proxies)
opener = urllib2.build_opener(proxy_support)
urllib2.install_opener(opener)
response = urllib2.urlopen(target_url)

# 获取页面内容
if response.code == 200:
    print response.read()

Python-Selenium

Chrome

Chrome(IP白名单,推荐)

使用提示

  1. 基于白名单方式使用Selenium+Chrome认证代理
  2. 运行环境要求python2/3 + selenium + Chrome + Chromedriver + Windows/Linux/macOS
  3. 下载chromedriver(注意chromedriver版本要和Chrome版本对应)
  4. selenium不是python原生库,需要安装才能使用:pip install selenium
  5. 请注意替换代码中的部分信息:
    ${ip:port}:代理IP:端口号,如:"59.38.241.25:23916"
    ${chromedriver_path}:您本机chromedriver驱动存放路径,如:"C:\chromedriver.exe"
#!/usr/bin/env python
# encoding: utf-8

from selenium import webdriver
import time

chrome_options = webdriver.ChromeOptions()
chrome_options.add_argument('--proxy-server=http://${ip:port}')  # 代理IP:端口号
# ${chromedriver_path}: chromedriver驱动存放路径
driver = webdriver.Chrome(executable_path="${chromedriver_path}", chrome_options=chrome_options)
driver.get("https://dev.kdlapi.com/testproxy")

# 获取页面内容
print(driver.page_source)

# 延迟3秒后关闭当前窗口,如果是最后一个窗口则退出
time.sleep(3)
driver.close()
Chrome(用户名密码认证)

使用提示

  1. 基于用户名密码方式使用Selenium+Chrome认证代理
  2. 运行环境要求python2/3 + selenium + Chrome + Chromedriver + Windows/Linux/macOS
  3. 下载chromedriver(注意chromedriver版本要和Chrome版本对应)
  4. selenium不是python原生库,需要安装才能使用:pip install selenium
  5. 请注意替换代码中的部分信息:
    ${proxy_ip}:代理IP
    ${proxy_port}:端口号
    ${username}}:用户名
    ${password}:密码
    ${chromedriver_path}:您本机chromedriver驱动存放路径,如:"C:\chromedriver.exe"
#!/usr/bin/env python
# encoding: utf-8

from selenium import webdriver
import string
import zipfile
import time


def create_proxyauth_extension(proxy_host, proxy_port, proxy_username, proxy_password, scheme='http', plugin_path=None):
    """代理认证插件

    args:
        proxy_host (str): 你的代理地址或者域名(str类型)
        proxy_port (int): 代理端口号(int类型)
        proxy_username (str):用户名(字符串)
        proxy_password (str): 密码 (字符串)
    kwargs:
        scheme (str): 代理方式 默认http
        plugin_path (str): 扩展的绝对路径

    return str -> plugin_path
    """

    if plugin_path is None:
        plugin_path = 'vimm_chrome_proxyauth_plugin.zip'

    manifest_json = """
    {
        "version": "1.0.0",
        "manifest_version": 2,
        "name": "Chrome Proxy",
        "permissions": [
            "proxy",
            "tabs",
            "unlimitedStorage",
            "storage",
            "<all_urls>",
            "webRequest",
            "webRequestBlocking"
        ],
        "background": {
            "scripts": ["background.js"]
        },
        "minimum_chrome_version":"22.0.0"
    }
    """

    background_js = string.Template(
        """
        var config = {
                mode: "fixed_servers",
                rules: {
                singleProxy: {
                    scheme: "${scheme}",
                    host: "${host}",
                    port: parseInt(${port})
                },
                bypassList: ["foobar.com"]
                }
            };

        chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});

        function callbackFn(details) {
            return {
                authCredentials: {
                    username: "${username}",
                    password: "${password}"
                }
            };
        }

        chrome.webRequest.onAuthRequired.addListener(
                    callbackFn,
                    {urls: ["<all_urls>"]},
                    ['blocking']
        );
        """
    ).substitute(
        host=proxy_host,
        port=proxy_port,
        username=proxy_username,
        password=proxy_password,
        scheme=scheme,
    )
    with zipfile.ZipFile(plugin_path, 'w') as zp:
        zp.writestr("manifest.json", manifest_json)
        zp.writestr("background.js", background_js)
    return plugin_path


proxyauth_plugin_path = create_proxyauth_extension(
    proxy_host="${proxy_ip}",  # 代理IP
    proxy_port="${proxy_port}",  # 端口号
    proxy_username="${username}",  # 用户名
    proxy_password="${password}"  # 密码
)


chrome_options = webdriver.ChromeOptions()
chrome_options.add_extension(proxyauth_plugin_path)
# ${chromedriver_path}: chromedriver驱动存放路径
driver = webdriver.Chrome(executable_path="${chromedriver_path}", chrome_options=chrome_options)
driver.get("https://dev.kdlapi.com/testproxy")

# 获取页面内容
print(driver.page_source)

# 延迟3秒后关闭当前窗口,如果是最后一个窗口则退出
time.sleep(3)
driver.close()

Python-Scrapy

使用提示

  1. http/https网页均可适用
  2. scrapy不是python原生库,需要安装才能使用: pip install scrapy
  3. 在第一级tutorial目录下运行如下命令查看结果:scrapy crawl kdl
Scrapy项目目录

运行命令:scrapy startproject tutorial 新建Scrapy项目,创建包含下列内容的tutorial目录

tutorial/
    scrapy.cfg # 项目的配置文件
    tutorial/ # 该项目的python模块。之后您将在此加入代码
        __init__.py
        items.py # 项目中的item文件
        pipelines.py # 项目中的pipelines文件
        settings.py # 项目的设置文件
        spiders/ # 放置spider代码的目录
            __init__.py
            ...

kdl_spider.py

编写爬虫(Spider):在tutorial/spiders/ 目录下新建kdl_spider.py文件

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import scrapy


class KdlSpider(scrapy.spiders.Spider):
    name = "kdl"

    def start_requests(self):
        url = "https://dev.kdlapi.com/testproxy"
        yield scrapy.Request(url, callback=self.parse)

    def parse(self, response):
        print(response.text)

middlewares.py
  1. middlewares.py中新增ProxyDownloaderMiddleware即代理中间件
  2. 请注意替换代码中的部分信息:
    ${username}:用户名
    ${password}:密码
    # -*- coding: utf-8 -*-
    
    from scrapy import signals
    from w3lib.http import basic_auth_header
    
    
    class ProxyDownloaderMiddleware:
    
        def process_request(self, request, spider):
            proxy = "59.38.241.25:23916"
            request.meta['proxy'] = "http://%(proxy)s" % {'proxy': proxy}
            # 用户名密码认证
            request.headers['Proxy-Authorization'] = basic_auth_header('${username}', '${password}')  # 白名单认证可注释此行
            return None
    
settings.py

settings.py中激活ProxyDownloaderMiddleware代理中间件

# -*- coding: utf-8 -*-

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
    'tutorial.middlewares.ProxyDownloaderMiddleware': 100,
}

Java

httpclient

HttpClient-4.5.6

使用提示

  1. 此样例同时支持访问http和https网页
  2. 建议使用白名单访问
  3. 若有多个用户名、密码进行认证需要在代码中须添加AuthCacheValue.setAuthCache(new AuthCacheImpl());
  4. 依赖包下载:
    httpclient-4.5.6.jar
    httpcore-4.4.10.jar
    commons-codec-1.10.jar
    commons-logging-1.2.jar
import java.net.URL;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
* 使用httpclient请求代理服务器 请求http和https网页均适用
*/
public class TestProxyHttpClient {

    private static String pageUrl = "https://dev.kdlapi.com/testproxy"; // 要访问的目标网页
    private static String proxyIp = "59.38.241.25"; // 代理服务器IP
    private static int proxyPort = 23916; // 端口号
    private static String username = "username"; // 用户名
    private static String password = "password"; // 密码

    public static void main(String[] args) throws Exception {
        // JDK 8u111版本后,目标页面为HTTPS协议,启用proxy用户密码鉴权
        System.setProperty("jdk.http.auth.tunneling.disabledSchemes", "");

        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(new AuthScope(proxyIp, proxyPort),
                new UsernamePasswordCredentials(username, password));
        CloseableHttpClient httpclient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
        try {
            URL url = new URL(pageUrl);
            HttpHost target = new HttpHost(url.getHost(), url.getDefaultPort(), url.getProtocol());
            HttpHost proxy = new HttpHost(proxyIp, proxyPort);

            RequestConfig config = RequestConfig.custom().setProxy(proxy).build();
            HttpGet httpget = new HttpGet(url.getPath());
            httpget.setConfig(config);
            httpget.addHeader("Accept-Encoding", "gzip"); // 使用gzip压缩传输数据让访问更快
            CloseableHttpResponse response = httpclient.execute(target, httpget);
            try {
                System.out.println(response.getStatusLine());
                System.out.println(EntityUtils.toString(response.getEntity()));
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
}

jsoup

使用jsoup发起请求

使用提示

  1. 此样例同时支持访问http和https网页
  2. 建议使用白名单访问
  3. 若有多个用户名、密码进行认证需要在代码中须添加AuthCacheValue.setAuthCache(new AuthCacheImpl());
  4. 依赖包下载:
    jsoup-1.13.1.jar
import java.io.IOException;
import java.net.Authenticator;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class TestProxyJsoup {
    // 用户名、密码
    final static String ProxyUser = "username";
    final static String ProxyPass = "password";

    // 代理IP、端口号
    final static String ProxyHost = "59.38.241.25";
    final static Integer ProxyPort = 23916;

    public static String getUrlProxyContent(String url) {
        Authenticator.setDefault(new Authenticator() {
            public PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(ProxyUser, ProxyPass.toCharArray());
            }
        });

        Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(ProxyHost, ProxyPort));

        try {
            // 此处自己处理异常、其他参数等
            Document doc = Jsoup.connect(url).followRedirects(false).timeout(3000).proxy(proxy).get();
            if (doc != null) {
                System.out.println(doc.body().html());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public static void main(String[] args) throws Exception {
        // 目标网站
        String targetUrl = "https://dev.kdlapi.com/testproxy";

        // JDK 8u111版本后,目标页面为HTTPS协议,启用proxy用户密码鉴权
        System.setProperty("jdk.http.auth.tunneling.disabledSchemes", "");

        getUrlProxyContent(targetUrl);
    }
}    

GoLang

标准库

标准库

使用提示

  • http和https网页均可适用
// 请求代理服务器
// http和https网页均适用

package main

import (
    "compress/gzip"
    "fmt"
    "io"
    "io/ioutil"
    "net/http"
    "net/url"
    "os"
)

func main() {
    // 用户名密码(私密代理/独享代理)
    username := "username"
    password := "password"

    // 代理服务器
    proxy_raw := "59.38.241.25:23916"
    proxy_str := fmt.Sprintf("http://%s:%s@%s", username, password, proxy_raw)
    proxy, err := url.Parse(proxy_str)

    // 目标网页
    page_url := "http://dev.kdlapi.com/testproxy"

    //  请求目标网页
    client := &http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxy)}}
    req, _ := http.NewRequest("GET", page_url, nil)
    req.Header.Add("Accept-Encoding", "gzip") //使用gzip压缩传输数据让访问更快
    res, err := client.Do(req)

    if err != nil {
        // 请求发生异常
        fmt.Println(err.Error())
    } else {
        defer res.Body.Close() //保证最后关闭Body

        fmt.Println("status code:", res.StatusCode) // 获取状态码

        // 有gzip压缩时,需要解压缩读取返回内容
        if res.Header.Get("Content-Encoding") == "gzip" {
            reader, _ := gzip.NewReader(res.Body) // gzip解压缩
            defer reader.Close()
            io.Copy(os.Stdout, reader)
            os.Exit(0) // 正常退出
        }

        // 无gzip压缩, 读取返回内容
        body, _ := ioutil.ReadAll(res.Body)
        fmt.Println(string(body))
    }
}

CSharp

标准库

标准库

使用提示

  • http和https网页均可适用
using System;
using System.Text;
using System.Net;
using System.IO;
using System.IO.Compression;

namespace csharp_http
{
    class Program
    {
        static void Main(string[] args)
        {
            // 要访问的目标网页
            string page_url = "http://dev.kdlapi.com/testproxy";

            // 构造请求
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(page_url);
            request.Method = "GET";
            request.Headers.Add("Accept-Encoding", "Gzip");  // 使用gzip压缩传输数据让访问更快

            // 代理服务器
            string proxy_ip = "59.38.241.25";
            int proxy_port = 23916;

            // 用户名密码 <私密代理/独享代理>
            string username = "username";
            string password = "password";

            // 设置代理 <开放代理或私密/独享代理&已添加白名单>
            // request.Proxy = new WebProxy(proxy_ip, proxy_port);

            // 设置代理 <私密/独享代理&未添加白名单>
            WebProxy proxy = new WebProxy();
            proxy.Address = new Uri(String.Format("http://{0}:{1}", proxy_ip, proxy_port));
            proxy.Credentials = new NetworkCredential(username, password);
            request.Proxy = proxy;

            // 请求目标网页
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            Console.WriteLine((int)response.StatusCode);  // 获取状态码
            // 解压缩读取返回内容
            using (StreamReader reader =  new StreamReader(new GZipStream(response.GetResponseStream(), CompressionMode.Decompress))) {
                Console.WriteLine(reader.ReadToEnd());
            }
        }
    }
}

Node.js

标准库(http+url)

标准库(http,https均适用)

使用提示

  • http,https均适用
const http = require("http");  // 引入内置http模块
const url  = require("url");


// 要访问的目标页面
const targetUrl = "http://dev.kdlapi.com/testproxy";
const urlParsed   = url.parse(targetUrl);

// 代理ip
const proxyIp = "proxyIp";  // 代理服务器ip
const proxyPort = "proxyPort"; // 代理服务器host

// http代理验证信息
const username = "username";
const password = "password";
const base64    = new Buffer(username + ":" + password).toString("base64");
const options = {
    host    : proxyIp,
    port    : proxyPort,
    path    : targetUrl,
    method  : "GET",
    headers : {
        "Host"                : urlParsed.hostname,
        "Proxy-Authorization" : "Basic " + base64
    }
};

http.request(options,  (res) => {
        console.log("got response: " + res.statusCode);
        // 输出返回内容(使用了gzip压缩)
        if (res.headers['content-encoding'] && res.headers['content-encoding'].indexOf('gzip') != -1) {
            let zlib = require('zlib');
            let unzip = zlib.createGunzip();
            res.pipe(unzip).pipe(process.stdout);
        } else {
            // 输出返回内容(未使用gzip压缩)
            res.pipe(process.stdout);
        }
    })
    .on("error", (err) => {
        console.log(err);
    })
    .end()
;

标准库(http+tls+util)

标准库(适用http和https请求)

使用提示

  • http网页和https网页均可适用
let http = require('http'); // 引入内置http模块
let tls = require('tls'); // 引入内置tls模块
let util = require('util');

// 用户名密码及auth, 若已添加白名单则不需要添加
const username = 'username';
const password = 'password';
const auth = 'Basic ' + new Buffer(username + ':' + password).toString('base64');

// 代理服务器ip和端口
let proxy_ip = '59.38.241.25';
let proxy_port = 23916;

// 要访问的主机和路径
let remote_host = 'https://dev.kdlapi.com/testproxy';
let remote_path = '/';

// 发起CONNECT请求
let req = http.request({
    host: proxy_ip,
    port: proxy_port,
    method: 'CONNECT',
    path: util.format('%s:443', remote_host),
    headers: {
        "Host": remote_host,
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36",
        "Proxy-Authorization": auth,
        "Accept-Encoding": "gzip"   // 使用gzip压缩让数据传输更快
    }
});


req.on('connect', function (res, socket, head) {
    // TLS握手
    let tlsConnection = tls.connect({
        host: remote_host,
        socket: socket
    }, function () {
        // 发起GET请求
        tlsConnection.write(util.format('GET %s HTTP/1.1\r\nHost: %s\r\n\r\n', remote_path, remote_host));
    });

    tlsConnection.on('data', function (data) {
        // 输出响应结果(完整的响应报文串)
        console.log(data.toString());
    });
});

req.end();

request

request

使用提示

  • 请先安装request库: npm install request
  • http网页和https网页均可适用
let request = require('request'); // 引入第三方request库
let util = require('util');
let zlib = require('zlib');

// 用户名密码, 若已添加白名单则不需要添加
const username = 'username';
const password = 'password';

// 要访问的目标地址
let page_url = 'https://dev.kdlapi.com/testproxy'

// 代理服务器ip和端口
let proxy_ip = '59.38.241.25';
let proxy_port = 23916;

// 完整代理服务器url
let proxy = util.format('http://%s:%s@%s:%d', username, password, proxy_ip, proxy_port);  

// 发起请求
request({
    url: page_url,
    method: 'GET',
    proxy: proxy,
    headers: {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36",
        "Accept-Encoding": "gzip"   // 使用gzip压缩让数据传输更快
    },
    encoding: null,  // 方便解压缩返回的数据
}, function(error, res, body) {
    if (!error && res.statusCode == 200) {
        // 输出返回内容(使用了gzip压缩)
        if (res.headers['content-encoding'] && res.headers['content-encoding'].indexOf('gzip') != -1) {
            zlib.gunzip(body, function(err, dezipped) {
                console.log(dezipped.toString()); 
            });
        } else {
            // 输出返回内容(没有使用gzip压缩)
            console.log(body);
        }
    } else {
        console.log(error);
    }
});

puppeteer

puppeteer(IP白名单)

使用提示

  • 基于用户名密码认证的http/https代理Puppeteer
  • 运行环境要求: node7.6.0或以上 + puppeteer
  • 请先安装puppeteer: npm i puppeteer
// 引入puppeteer模块
const puppeteer = require('puppeteer');

// 要访问的目标网页
const url = 'http://dev.kuaidaili.com/testproxy';

// 添加headers
const headers = {
    'Accept-Encoding': 'gzip' // 使用gzip压缩让数据传输更快
};

// 代理服务器ip和端口
let proxy_ip = '59.38.241.25'
let proxy_port = 23916

(async ()=> {
    // 新建一个浏览器实例
    const browser = await puppeteer.launch({
        headless: false,  // 是否不显示窗口, 默认为true, 设为false便于调试
        args: [
            `--proxy-server=${proxy_ip}:${proxy_port}`,
            '--no-sandbox',
            '--disable-setuid-sandbox'
        ]
    });

    // 打开一个新页面
    const page = await browser.newPage();

    // 设置headers
    await page.setExtraHTTPHeaders(headers);

    // 访问目标网页
    await page.goto(url);

})();
puppeteer(用户名密码认证)

使用提示

  • 基于白名单的http/https代理Puppeteer
  • 运行环境要求: node7.6.0或以上 + puppeteer
  • 请先安装puppeteer: npm i puppeteer
// 引入puppeteer模块
const puppeteer = require('puppeteer');

// 要访问的目标网页
const url = 'http://dev.kuaidaili.com/testproxy';

// 添加headers
const headers = {
    'Accept-Encoding': 'gzip' // 使用gzip压缩让数据传输更快
};

// 代理服务器ip和端口
let proxy_ip = '223.198.230.41'
let proxy_port = 19732

// 用户名密码 (可到会员中心查看)
const username = 'username';
const password = 'password';

(async ()=> {
    // 新建一个浏览器实例
    const browser = await puppeteer.launch({
        headless: false,  // 是否不显示窗口, 默认为true, 设为false便于调试
        args: [
            `--proxy-server=${proxy_ip}:${proxy_port}`,
            '--no-sandbox',
            '--disable-setuid-sandbox'
        ]
    });

    // 打开一个新页面
    const page = await browser.newPage();

    // 设置headers
    await page.setExtraHTTPHeaders(headers);

    // 用户民密码认证
    await page.authenticate({username: username, password: password});

    // 访问目标网页
    await page.goto(url);
})();

Ruby

net/http

net/http(IP白名单)

使用提示

  • 基于ip白名单的http/https代理net/http
# -*- coding: utf-8 -*-

require 'net/http'  # 引入内置net/http模块
require 'zlib'
require 'stringio'

# 代理服务器ip 和 端口
proxy_ip = '59.38.241.25'
proxy_port = 23916


# 要访问的目标网页, 以快代理testproxy页面为例
page_url = "https://dev.kuaidaili.com/testproxy"
uri = URI(page_url)

# 新建代理实例
proxy = Net::HTTP::Proxy(proxy_ip, proxy_port)

# 创建新的请求对象 
req = Net::HTTP::Get.new(uri)
# 设置User-Agent
req['User-Agent'] = 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50'
req['Accept-Encoding'] = 'gzip'  # 使用gzip压缩传输数据让访问更快


# 使用代理发起请求, 若访问的是http网页, 请将use_ssl设为false
res = proxy.start(uri.hostname, uri.port, :use_ssl => true) do |http|
    http.request(req)
end

# 输出状态码
puts "status code: #{res.code}"

# 输出响应体
if  res.code.to_i != 200 then
    puts "page content: #{res.body}"
else
    gz = Zlib::GzipReader.new(StringIO.new(res.body.to_s))
    puts "page content: #{gz.read}" 
end
net/http(用户名密码认证)

使用提示

  • 基于用户名密码认证的http/https代理net/http
# -*- coding: utf-8 -*-

require 'net/http'  # 引入内置net/http模块
require 'zlib'
require 'stringio'

# 代理服务器ip 和 端口
proxy_ip = '59.38.241.25'
proxy_port = :23916

# 用户名密码
username = 'username'
password = 'password'

# 要访问的目标网页, 以快代理testproxy页面为例
page_url = "https://dev.kuaidaili.com/testproxy"
uri = URI(page_url)

# 新建代理实例
proxy = Net::HTTP::Proxy(proxy_ip, proxy_port, username, password)

# 创建新的请求对象 
req = Net::HTTP::Get.new(uri)
# 设置代理用户名密码认证
req.basic_auth(username, password)
# 设置User-Agent
req['User-Agent'] = 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50'
req['Accept-Encoding'] = 'gzip'  # 使用gzip压缩传输数据让访问更快


# 使用代理发起请求, 若访问的是http网页, 请将use_ssl设为false
res = proxy.start(uri.hostname, uri.port, :use_ssl => true) do |http|
    http.request(req)
end

# 输出状态码
puts "status code: #{res.code}"

# 输出响应体
if  res.code.to_i != 200 then
    puts "page content: #{res.body}"
else
    gz = Zlib::GzipReader.new(StringIO.new(res.body.to_s))
    puts "page content: #{gz.read}" 
end

httparty

httparty(IP白名单)

使用提示

  • 基于IP白名单认证的http/https代理httparty
require "httparty"  # 引入httparty模块
require 'zlib'
require 'stringio'

# 代理服务器ip和端口
proxy_ip = '59.38.241.25'
proxy_port = 23916

# 要访问的目标网页, 以快代理testproxy页面为例
page_url = 'https://dev.kuaidaili.com/testproxy'

# 设置headers
headers = {
    "User-Agent" => "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50",
    "Accept-Encoding" => "gzip",
}

# 设置代理
options = {
    :headers => headers, 
    :http_proxyaddr => proxy_ip, 
    :http_proxyport => proxy_port,
}

# 发起请求
res = HTTParty.get(page_url, options)

# 输出状态码
puts "status code: #{res.code}"

# 输出响应体
if  res.code.to_i != 200 then
    puts "page content: #{res.body}"
else
    gz = Zlib::GzipReader.new(StringIO.new(res.body.to_s))
    puts "page content: #{gz.read}" 
end
httparty(用户名密码认证)

使用提示

  • 基于用户名密码认证的http/https代理httparty
require "httparty"  # 引入httparty模块
require 'zlib'
require 'stringio'

# 代理服务器ip和端口
proxy_ip = '59.38.241.25'
proxy_port = 23916

# 用户名密码
username = 'username'
password = 'password'

# 要访问的目标网页,以快代理testproxy页面为例
page_url = 'https://dev.kuaidaili.com/testproxy'

# 设置headers
headers = {
    "User-Agent" => "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50",
    "Accept-Encoding" => "gzip",
}

# 设置代理
options = {
    :headers => headers, 
    :http_proxyaddr => proxy_ip, 
    :http_proxyport => proxy_port, 
    :http_proxyuser => username, 
    :http_proxypass => password,
}

# 发起请求
res = HTTParty.get(page_url, options)

# 输出状态码
puts "status code: #{res.code}"

# 输出响应体
if  res.code.to_i != 200 then
    puts "page content: #{res.body}"
else
    gz = Zlib::GzipReader.new(StringIO.new(res.body.to_s))
    puts "page content: #{gz.read}" 
end

php

curl

curl

使用提示

  1. 此样例同时支持访问http和https网页
  2. curl不是php原生库,需要安装才能使用:
    Ubuntu/Debian系统:apt-get install php5-curl
    CentOS系统:yum install php-curl
<?php
//要访问的目标页面
$page_url = "http://dev.kdlapi.com/testproxy";


$ch = curl_init();
$proxy_ip = "59.38.241.25";
$proxy_port = "23916";
$proxy = $proxy_ip.":".$proxy_port;

//隧道用户名密码
$username   = "username";
$password   = "password";

//$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $page_url);

//发送post请求
$requestData["post"] = "send post request";
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($requestData));

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);  
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

//设置代理
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
//设置代理用户名密码
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_PROXYUSERPWD, "{$username}:{$password}");

//自定义header
$headers = array();
$headers["user-agent"] = 'User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0);';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

//自定义cookie
curl_setopt($ch, CURLOPT_COOKIE,''); 

curl_setopt($ch, CURLOPT_ENCODING, 'gzip'); //使用gzip压缩传输数据让访问更快

curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);

curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$result = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);

echo $result;
echo "\n\nfetch ".$info['url']."\ntimeuse: ".$info['total_time']."s\n\n";
?>

易语言

易语言使用代理

使用提示

  1. 需要用到两个模块:精易模块和鱼刺类
  2. Github链接