如何在.net http客户端getasyn方法中传递查询参数和路径参数

using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (HttpClient client = new HttpClient())
        {
            // 构建查询参数
            var queryParameters = new System.Collections.Generic.Dictionary<string, string>
            {
                { "param1", "value1" },
                { "param2", "value2" }
            };

            // 构建路径参数
            string path = "users/{userId}/orders";
            string userId = "123";

            // 替换路径参数占位符
            path = path.Replace("{userId}", userId);

            // 构建完整的URL
            string url = "https://example.com/api/" + path + "?" + BuildQueryString(queryParameters);

            // 发送GET请求
            HttpResponseMessage response = await client.GetAsync(url);

            // 处理响应
            if (response.IsSuccessStatusCode)
            {
                string responseBody = await response.Content.ReadAsStringAsync();
                Console.WriteLine(responseBody);
            }
            else
            {
                Console.WriteLine("Request failed with status code: " + response.StatusCode);
            }
        }
    }

    // 构建查询参数字符串
    static string BuildQueryString(System.Collections.Generic.Dictionary<string, string> queryParameters)
    {
        var queryString = new System.Text.StringBuilder();
        foreach (var parameter in queryParameters)
        {
            queryString.Append(parameter.Key);
            queryString.Append("=");
            queryString.Append(Uri.EscapeDataString(parameter.Value));
            queryString.Append("&");
        }
        return queryString.ToString().TrimEnd('&');
    }
}