C# 后台獲取WebApi 方法

 

以下是方法 返貨json數據 代碼都有注釋

         /// <summary>
        /// 請求webpapi
        /// </summary>
        /// <param name="url">地址</param>
        /// <returns>json字符串</returns>
        public static string GetJosn(string url)
        {
            string result = "";
            using (var client = new System.Net.Http.HttpClient())
            {
                //通過客服端地址訪問
                Uri bUrl= client.BaseAddress = new Uri(url);
                //序列化成json
                var requestJson = JsonConvert.SerializeObject(bUrl);
                //創建一個http 帶正文和內容
                HttpContent httpContent = new StringContent(requestJson);
                //設置數據格式為json
                httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                //異步請求並將內容寫入文件流中 返回字符串
                result = client.PostAsync("api/Product/AddProduct", httpContent).Result.Content.ReadAsStringAsync().Result;

            }
            return result;
        }

或則參考地址 http://www.2cto.com/kf/201408/326364.html