private async void 更新标识()
{
    string url = "http://rc.leeuu.com/data/js/rcdef01.js";//浪漫庄园更新地址
    using HttpClient client = new HttpClient();
    string pagecontent = await client.GetStringAsync(url);

    string pattern = @"news,(.*?),";
    Match match = Regex.Match(pagecontent, pattern);
    if (match.Success)
    {
        string extractedContent = match.Groups[1].Value;

        Console.WriteLine(extractedContent);
        string url_更新内容 = "http://rc.leeuu.com/data/news/" + extractedContent + ".htm";
        using HttpClient client1 = new HttpClient();
        string pagecontent1 = await client1.GetStringAsync(url_更新内容);
        HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
        doc.LoadHtml(pagecontent1);
        HtmlNode 内容 = doc.DocumentNode.SelectSingleNode("//div[@id='right']");//获取更新内容的相关信息
        if (内容 != null)
        {
            Console.WriteLine(内容.InnerHtml);
            string 正文 = 内容.InnerHtml;
            //去掉p标签,去掉</strong>标签
            正文 = 正文.Replace("<p>", "").Replace("</p>", "").Replace("<strong>", "").Replace("</strong>", "").Replace("<h3>", "").Replace("</h3>", "").Replace("<p style=\"text-align: right;\">", "").Replace("&#160;", "").Replace("</span>", "").Replace("<span style=\"text-indent: 2em;\">", "").Replace("<br>", "").Replace("<div id=\"qb-sougou-search\" style=\"display: none; opacity: 0;\">\r\n搜索\r\n<p class=\"last-btn\">复制\r\n<iframe src=\"\"></iframe></div>", "").Replace("<span style=\"color: rgb(255, 0, 255);\">", "");//去除无关内容




            textBox_首页.Text = 正文;
        }
        else
        {
            Console.WriteLine("没找到相关内容");
        }
    }
    else
    {
        Console.WriteLine("未找到匹配内容");

    }
}

{/collapse-item}
{collapse-item label="获取服务器更新说明" close}
说明:读取服务器内的文本文件获取其中内容,并将获取到的内容显示在指定位置,代码如下:

private async Task 历史更新()
{
    string 历史更新_url = "........";//将""中的内容替换为你自己的文本文档地址
    try
    {
        WebClient client = new WebClient();
        string content = client.DownloadString(历史更新_url);
        // 将换行符替换为TextBox能识别的换行格式
        content = content.Replace("\n", "\r\n");
        textBox_历史更新.Text = content;
    }
    catch (Exception ex)
    {
        MessageBox.Show("读取文件出错: " + ex.Message);
    }
}

{/collapse-item}

if (comboBox_功能选择.SelectedIndex == 0)
{
    string 搜物_url = ".....";//替换为你的文档位置
    try
    {
        WebClient client = new WebClient();
        string content = client.DownloadString(搜物_url);
        string[] lines = content.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
        comboBox_查询.Items.Clear();
        foreach (string line in lines)
        {
            comboBox_查询.Items.Add(line);
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show("读取文件出错: " + ex.Message);
    }
}

其它的内容类似
{/collapse-item}
{collapse-item label="钉钉发送信息函数" close}
说明:钉钉发送信息函数,代码如下:

 public static class DingDingNotifier
 {
     private const string WebhookUrl = "......";//替换为钉钉群内机器人的链接

     public static async Task SendMessage(string message)
     {
         var client = new HttpClient();

         // 使用 markdown 格式并包含 @all
         var jsonContent = new
         {
             msgtype = "markdown",
             markdown = new
             {
                 title = "公告",
                 text = $"#### 公告\n{message}\n\n@all" // 注意这里的 @all 标签
             },
             at = new
             {
                 atMobiles = new string[] , // 保持为空数组，因为我们使用 @all
                 isAtAll = true // 设置为 true 以 @所有人
             }
         };

         var jsonOptions = new JsonSerializerOptions
         {
             PropertyNamingPolicy = JsonNamingPolicy.CamelCase
         };

         var content = new StringContent(System.Text.Json.JsonSerializer.Serialize(jsonContent, jsonOptions), Encoding.UTF8, "application/json");

         try
         {
             HttpResponseMessage response = await client.PostAsync(WebhookUrl, content);
             if (!response.IsSuccessStatusCode)
             {
                 Console.WriteLine($"发送消息到钉钉失败。状态码: {response.StatusCode}");
             }
             else
             {
                 Console.WriteLine("消息发送成功。");
             }
         }
         catch (Exception ex)
         {
             Console.WriteLine($"发送消息到钉钉时出错: {ex.Message}");
         }
     }
 }

{/collapse-item}