PostAsync

static readonly HttpClient Client = new HttpClient();public async Task
     
       PostAsync
      
       (string url, object data) where T : class, new(){    try    {        string content = JsonConvert.SerializeObject(data);        var buffer = Encoding.UTF8.GetBytes(content);        var byteContent = new ByteArrayContent(buffer);        byteContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");        var response = await Client.PostAsync(url, byteContent).ConfigureAwait(false);        string result = await response.Content.ReadAsStringAsync();        if (response.StatusCode != HttpStatusCode.OK)        {            logger.Error($"GetAsync End, url:{url}, HttpStatusCode:{response.StatusCode}, result:{result}");            return new T();        }        logger.Info($"GetAsync End, url:{url}, result:{result}");        return JsonConvert.DeserializeObject
       
        (result);    }    catch (WebException ex)    {        if (ex.Response != null)        {            string responseContent = new StreamReader(ex.Response.GetResponseStream()).ReadToEnd();            throw new System.Exception($"response :{responseContent}", ex);        }        throw;    }}
       
      
     

　　

GetAsync

static readonly HttpClient Client = new HttpClient();public async Task
     
       GetAsync(string url, object data){    try    {        string requestUrl = $"{url}?{GetQueryString(data)}";        logger.Info($"GetAsync Start, requestUrl:{requestUrl}");        var response = await Client.GetAsync(requestUrl).ConfigureAwait(false);        string result = await response.Content.ReadAsStringAsync();        logger.Info($"GetAsync End, requestUrl:{requestUrl}, HttpStatusCode:{response.StatusCode}, result:{result}");        return result;    }    catch (WebException ex)    {        if (ex.Response != null)        {            string responseContent = new StreamReader(ex.Response.GetResponseStream()).ReadToEnd();            throw new Exception($"Response :{responseContent}", ex);        }        throw;    }}private static string GetQueryString(object obj){    var properties = from p in obj.GetType().GetProperties()                        where p.GetValue(obj, null) != null                        select p.Name + "=" + HttpUtility.UrlEncode(p.GetValue(obj, null).ToString());    return String.Join("&", properties.ToArray());}