Dynamics 365 CRM Plugin中呼叫第三方API的C#方法

Dynamics 365 CRM Plugin中呼叫第三方API的C#方法

 /// <summary>
        /// 呼叫外部API
        /// </summary>
        /// <param name="requestjson"></param>
        /// <param name="interfacename"></param>
        /// <param name="service"></param>
        /// <returns></returns>
        /// <exception cref="InvalidPluginExecutionException"></exception>
        public static string PostApiSync(string requestjson, string interfacename,IOrganizationService service)
        {
            string returnval = string.Empty;

            string url = string.Empty;
            ConfigModel config = getInterfaceUrl(service, interfacename);

            if (config == null || string.IsNullOrEmpty(interfacename) || string.IsNullOrEmpty(config.userId) || string.IsNullOrEmpty(config.inputKey) || string.IsNullOrEmpty(config.url))
            {
                throw new InvalidPluginExecutionException("Configuration is not ready for interface[" + interfacename + "] in CRM System Config.");
            }
            url = config.url;
            if(string.IsNullOrEmpty(url))
            {
                throw new InvalidPluginExecutionException("SAP PI Interface URL is not ready for interface[" + interfacename + "] in CRM System Config.");
            }

            string authorization = config.userId + ":" + config.inputKey;
            string base64AuthString = Convert.ToBase64String(Encoding.Default.GetBytes(authorization));

            using (HttpClient client = new HttpClient())
            {                
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                client.DefaultRequestHeaders.Add("Authorization", "Basic " + base64AuthString);
                client.DefaultRequestHeaders.ConnectionClose = false;
                // client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", base64AuthString);

                var content = new StringContent(requestjson, Encoding.UTF8, "application/json");
                var response = client.PostAsync(url, content).Result;

                if (response.IsSuccessStatusCode)
                {
                    returnval = response.Content.ReadAsStringAsync().Result;
                }
                else
                {
                    throw new InvalidPluginExecutionException(response.Content.ReadAsStringAsync().Result);
                }
            }
            return returnval;
        }