POST方法：http://localhost:15423/api/控制器名称         
GET方法：http://localhost:15423/api/控制器名称？参数名称=1&............. 


/// <summary>
        /// 测试方法
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btn_Click(object sender, EventArgs e)
        {
            var httpRequst = new StringContent("http://localhost:8888/api/Test?UserID=1");//请求Get方法，Controller/id 或者 Controller?id=id会路由到 Get(int id)
            httpRequst.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
            var httpClient = new HttpClient();
            var ResponseJson = httpClient.PostAsync("{UserID:1}", httpRequst).Result.Content.ReadAsStringAsync().Result;

            this.txt_Result.InnerText = ResponseJson;
        }

.NET MVC 4.0 Web API 测试接口，对应的路由,布布扣,bubuko.com

.NET MVC 4.0 Web API 测试接口，对应的路由