c# - 从 URL 获取 HTML - StreamReader 使用另一种字符编码？

问题描述

我想从这个 URL 获取 HTML：https ://store.steampowered.com/app/513710/SCUM/

这应该很容易，但由于 SSL/TLS 错误，我无法做到。

所以我使用了这个问题的代码：Requesting html over https with c# Webclient

最后我可以填充我的 StreamReader，但是当我尝试使用带有字符串的 ReadToEnd() 时，我得到一个损坏的字符串，如下所示：“�”

这一定是关于字符编码的，但如果你打开：https ://store.steampowered.com/app/513710/SCUM/

然后打开你的浏览器控制台，可以看到开头：

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

在提供的代码中：

webClient.Headers["Accept-Charset"] = "ISO-8859-1,utf-8;q=0.7,*;q=0.7";

你有 utf-8，所以我不知道我为什么会遇到这个问题。我试图替换：

StreamReader(webClient.OpenRead(steamURL));

和：

StreamReader(webClient.OpenRead(steamURL), Encoding.UTF8, true);

但它仍然没有得到正确的文本。我尝试添加所有我可以添加的信息，如果您需要其他任何信息，我会编辑问题。

感谢您的宝贵时间，祝您有美好的一天。

问候，

大卫

PS：这是我现在的代码：

private StreamReader getStreamReader(string steamURL, WebClient webClient)
{
    return new StreamReader(webClient.OpenRead(steamURL), Encoding.UTF8, true);
}

private void getSteamCosts()
{
    // When I try to access an Steam HTML, SSL error appears
    // We need an specific security protocol
    // I check all, just in case
    ServicePointManager.ServerCertificateValidationCallback =
        new RemoteCertificateValidationCallback(
            delegate
        {
            return true;
        });
    using (WebClient webClient = new WebClient())
    {
        webClient.Headers["User-Agent"] = "Mozilla/5.0 (Windows;"
            + " U; Windows NT 6.0; en-US; rv:1.9.2.6) Gecko/20100625"
            + " Firefox/3.6.6 (.NET CLR 3.5.30729)";
        webClient.Headers["Accept"] = "text/html,application/xhtml+"
            + "xml,application/xml;q=0.9,*/*;q=0.8";
        webClient.Headers["Accept-Language"] = "en-us,en;q=0.5";
        webClient.Headers["Accept-Encoding"] = "gzip,deflate";
        webClient.Headers["Accept-Charset"] = "ISO-8859-1,utf-8;q=0.7,*;q=0.7";

        StreamReader sr = null;

        string steamURL = "https://store.steampowered.com/app/513710/SCUM/";

        try
        {
            // This one should work
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
            sr = getStreamReader(steamURL, webClient);
            lbFinalSteam.Text = "TLS12Final";
        }
        catch (Exception) // Bad coding practice, just wanted it to work
        {
            // If that's not the case, I try the rest
            try
            {
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
                sr = getStreamReader(steamURL, webClient);
                lbFinalSteam.Text = "TLSFinal";
            }
            catch (Exception)
            {
                try
                {
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
                    sr = getStreamReader(steamURL, webClient);
                    lbFinalSteam.Text = "SSL3Final";
                }
                catch (Exception)
                {
                    try
                    {
                        ServicePointManager.SecurityProtocol =
                            SecurityProtocolType.Tls11;
                        sr = getStreamReader(steamURL, webClient);
                        lbFinalSteam.Text = "TLS11Final";
                    }
                    catch (Exception)
                    {
                        lbFinalSteam.Text = "NoFinal";
                    }
                }
            }
        }

        if (sr != null)
        {
            string allLines = sr.ReadToEnd();
        }
    }
}

编辑：也许问题是我如何将 StreamReader 转换为字符串？我的意思是这一行：

string allLines = sr.ReadToEnd();

我应该使用其他东西吗？

标签： c#utf-8streamreader

c# - 从 URL 获取 HTML - StreamReader 使用另一种字符编码？

问题描述

解决方案

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