C# 过帐数组值'；使用C将s转换为json API#

我正在尝试向一个在线API发送post请求以接收网络数据，它成功地使用了普通的键值，但没有使用数组作为值，并且如果不创建大量额外的类，我无法在internet上找到它

这就是我试图用普通数据发布到url的方式（第三个需要数组而不是单个对象）

}

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有人能在第一个（发送数组值）或第二个（发送原始数据）方面帮助我吗

如果可以，请使用库为您处理序列化。然后您可以这样做（使用Newtonsoft.Json）：

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与其尝试手动创建字符串，不如使用WebClient。您可能也应该删除WebClient。它被HttpClient所取代，顺便说一句，HttpClient还可以将对象序列化为Json

 IEnumerable<KeyValuePair<string, string>> queries = new List<KeyValuePair<string, string>>()
        {
               new KeyValuePair<string, string>("keyA","ValueA"),
               new KeyValuePair<string, string>("keyB", ""),
               new KeyValuePair<string, string>("KeyC", "ValueCDE"), //array
        };
        HttpContent q = new FormUrlEncodedContent(queries);
        Console.WriteLine(q.ToString());
        using (HttpClient client = new HttpClient())
        {
            using (HttpResponseMessage response = await client.PostAsync(url, q))
            {
                using (HttpContent content = response.Content)
                {
                    string mycontent = await content.ReadAsStringAsync();
                    HttpContentHeaders headers = content.Headers;
                    Console.WriteLine(mycontent);
                    Console.WriteLine(response);
                }
            }
        }

    async static void PostRawRequest(string url)
    {
        string rawr = @"{
       ""a"":""a"",
       ""b"":"""",
       ""c"": [""C"", ""D"",""F""],
       ""StickerColor"": ""red""
       }";

        string result = "";
        using (var client = new WebClient())
        {
            client.Headers[HttpRequestHeader.ContentType] = "application/json";
            result = client.UploadString(url, "POST", rawr);
        }
        Console.WriteLine(result);

using (var client = new HttpClient())
{
    var json = JsonConvert.SerializeObject(yourObject);
    client.PostAsync(yourUri, new StringContent(json, Encoding.UTF8, "application/json"));
}