使用WebHelper调用Asp.net WebAPI

1.WebHelper

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace CommonFoundation.Common
{
    public class WebHelper
    {
        public WebHelper(string _url)
        {
            url = _url;
        }
        private string url;
        /// <summary>
        /// 接口调用地址
        /// </summary>
        public string Url
        {
            get { return url; }
            set { url = value; }
        }
        /// <summary>
        /// get请求
        /// </summary>
        /// <returns></returns>
        public async Task<string> get()
        {
            var result = string.Empty;
            using (var client = new HttpClient())
            {
                result = await client.GetStringAsync(url);
            }
            return result;
        }

        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="value">参数值</param>
        /// <returns></returns>
        public async Task<string> post(string value)
        {
            //var handler = new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip };
            var result = string.Empty;
            using (var client = new HttpClient())
            {
                var values = new List<KeyValuePair<string, string>>();
                values.Add(new KeyValuePair<string, string>("", value));
                var content = new FormUrlEncodedContent(values);
                var response = await client.PostAsync(url, content);
                var responseString = await response.Content.ReadAsStringAsync();
                result = responseString;
            }
            return result;
        }

        public string post1()
        {
            string result = "";
            using (var client = new WebClient())
            {
                var values = new NameValueCollection();
                values[""] = "shunfeng";

                var response = client.UploadValues("http://localhost:15954/api/test", values);

                var responseString = Encoding.Default.GetString(response);
            }
            return result;
        }
    }
}

2.调用

private static async void test()
        {
            var url = "https://www.bjcytxkj.com/api/express";
            WebHelper webHelper = new WebHelper(url);
            var dic = new Dictionary<string, string>();
            dic["ShipperName"] = "SF";
            dic["ShipperCode"] = "502947304577";
            string str = JsonConvert.SerializeObject(dic);
            var result1 = await webHelper.get();
            var result = await webHelper.post(str);
            result = result.Replace("\\", "");
            Console.WriteLine(result);
        }