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在 C# 中,可以使用 HttpWebRequest 类来获取 HTTPS 网页内容。需要注意的是,HTTPS 网页采用了 SSL/TLS 加密传输机制,必须在发送请求之前获取服务器端的证书并进行验证才能成功获取网页内容。下面是一份示例代码,演示如何获取 HTTPS 网页内容:

using System;
using System.IO;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using System.Net.Security;
class Program
{
    static void Main(string[] args)
    {
        ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
        string url = "";
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
        request.Method = "GET";
        request.ProtocolVersion = HttpVersion.Version11;
        request.AllowAutoRedirect = true;
        request.ContentType = "application/x-www-form-urlencoded";
        

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