CShare_Common/Helper/WeChat/WeChat.cs

using Common.Helper.Response;
using Common.Helper.WeChat.Models;
using Common.Helper.WeChat.Response;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace Common.Helper.WeChat
{
    public class WeChat
    {
        /// <summary>
        /// 小程序通过code获取openId
        /// </summary>
        /// <param name="appId"></param>
        /// <param name="secret"></param>
        /// <param name="code"></param>
        /// <returns></returns>
        public static string GetOpenId(string appId, string secret, string code)
        {
            var url = $"https://api.weixin.qq.com/sns/jscode2session?appid={appId}&secret={secret}&js_code={code}&grant_type=authorization_code";
            return Request.RequestHelper.GetString(url).Result;
            // var client = new HttpClient();
            // var response = await client.GetAsync(uri);
            // response.EnsureSuccessStatusCode();
            // return await response.Content.ReadAsStringAsync();
        }
        /// <summary>
        /// 获取token
        /// </summary>
        /// <param name="appId"></param>
        /// <param name="secret"></param>
        /// <returns></returns>
        public static TokenModel GetToken(string appId, string secret)
        {
            var url = $"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={appId}&secret={secret}";
            return Request.RequestHelper.GetEntity<TokenModel>(url).Result;
        }

        /// <summary>
        /// 微信支付码
        /// </summary>
        /// <param name="httpIp"></param>
        /// <param name="weChatPay"></param>
        /// <returns></returns>
        public static string QrCodePay(string httpIp,FormUrlEncodedContent weChatPay)
        {
            return Request.RequestHelper.PostFormDataEntity<ResultModel>($"{httpIp}/wx/pay/qrCodePay.do",weChatPay).Result.Data.ToString();
        }

        /// <summary>
        /// 小程序码
        /// </summary>
        /// <param name="token"></param>
        /// <param name="unlimitedQrCode"></param>
        /// <returns></returns>
        public static Stream UnlimitedQrCode(string token,UnlimitedQrCodeModel unlimitedQrCode)
        {
            return Request.RequestHelper
                .PostFileStream<UnlimitedQrCodeModel>(
                    $"https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={token}", unlimitedQrCode).Result;
        }

        /// <summary>
        /// 一次性订阅消息
        /// </summary>
        /// <param name="token"></param>
        /// <param name="subscribeMessage"></param>
        /// <returns></returns>
        public static WeChatResponse SubscribeMessage(string token,SubscribeMessageModel subscribeMessage)
        {
            return Request.RequestHelper
                .PostEntity<WeChatResponse, SubscribeMessageModel>(
                    $"https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={token}", subscribeMessage).Result;
        }
    }
}