24Hour.Service/24Hour/WechatMessagerClient.cs

using com.sun.org.apache.bcel.@internal.generic;
using com.sun.xml.@internal.xsom;
using Elight.Utility;
using Elight.Utility.Code;
using Newtonsoft.Json;

namespace _24Hour
{
   
    public class WechatMessagerClient
    {
        private readonly HttpClient httpCliet;
        public WechatMessagerClient(HttpClient _httpCliet)
        {
            this.httpCliet = _httpCliet;

            httpCliet.DefaultRequestHeaders.Add("Accept", "application/json");
            httpCliet.DefaultRequestHeaders.Add("User-Agent", "HttpClientFactory-Sample");
            httpCliet.DefaultRequestHeaders.ConnectionClose = true;
        }

        /// <summary>
        /// 小程序AppID
        /// </summary>
        private const string appid = "wx48108a0c98a3dab0";
        /// <summary>
        /// 小程序secretID
        /// </summary>
        private const string secid = "e752e4fba67526eca21313a18c96a58f";
        public async Task<Result> GetOpenId(string code)
        {
            var ret = new Result();
            var reponse = await httpCliet.GetAsync($"/sns/jscode2session?appid={appid}&secret={secid}&js_code={code}&grant_type=authorization_code");
            var opendata = await reponse.EnsureSuccessStatusCode().Content.ReadAsStringAsync();
            var data = JsonConvert.DeserializeAnonymousType(opendata, new
            {
                openid = default(string),
                session_key = default(string),
                unionid = default(string),
                errcode = default(int),
                errmsg = default(string),
            });
            if (data.errcode == 0)
            {
                ret.IsSucceed = true;
                ret.result = data.openid;
            }
            else
            {
                ret.IsSucceed = false;
                ret.Message = data.errmsg;
            }
            return ret;
        }

    }
}