小程序订阅消息使用（一次性）

小程序代码

<view class='func-item' data-funcname='subscript_notice' bindtap='toFunc'>
      <view class="func-item-icon">
        <text class="iconfont icon-qingchu iconfont-size" style="color:#FE7873;"></text>

      </view>
      <view class='func-item-title'>
        订阅消息
      </view>
      <view class='func-item-nav'>
        <view class="iconfont icon-nav-right"></view>
      </view>
    </view>

  subscriptNotice: function () {
    wx.requestSubscribeMessage({
      tmplIds: ['Ue2WWXj6Bm58Ayzau3B1RCTIFFal1aDCXJ0WfyHo5_w'],
      success: (res) => {
        console.log('订阅结果');
        console.log(res);
        if (res.errMsg == 'requestSubscribeMessage:ok') {
          let status = res['Ue2WWXj6Bm58Ayzau3B1RCTIFFal1aDCXJ0WfyHo5_w'];
          console.log(status);
        } else {
          wx.showModal({
            showCancel: false,
            title: '提示',
            message: res.errMsg + ',请重新订阅！'
          })
        }
      },
      fail: ex => {
        wx.showModal({
          title: '提示',
          message: JSON.stringify(ex),
          showCancel: false
        })
      }
    })
  },

后台逻辑

定义消息模板类型

 /// <summary>
    /// 订阅模板消息  基本项
    /// </summary>
    public class MpTempleteMessageBaseItem
    {
        public string value { get; set; }

        
    }

/// <summary>
    /// 经营数据通知
    /// </summary>
    public class MpBusinessDataTempleteMessage
    {
        /// <summary>
        /// 商品总额
        /// </summary>
        public MpTempleteMessageBaseItem amount1 { get; set; }

        /// <summary>
        /// 储值总额
        /// </summary>
        public MpTempleteMessageBaseItem amount2 { get; set; }

        /// <summary>
        /// 销售单数
        /// </summary>
        public MpTempleteMessageBaseItem number3 { get; set; }


        /// <summary>
        /// 其他收入
        /// </summary>
        public MpTempleteMessageBaseItem amount4 { get; set; }


        /// <summary>
        /// 统计时间
        /// </summary>
        public MpTempleteMessageBaseItem time5 { get; set; }
    }

订阅消息模型

 /// <summary>
    /// 订阅消息模型
    /// </summary>
    public class MpTempleteMessageModel
    {
        /// <summary>
        /// string        是    接收者（用户）的 openid
        /// </summary>
        public string touser { get; set; }


        /// <summary>
        /// string        是    所需下发的订阅模板id
        /// </summary>
        public string template_id { get; set; }

        /// <summary>
        /// string        否    点击模板卡片后的跳转页面，仅限本小程序内的页面。支持带参数,（示例index?foo=bar）。该字段不填则模板无跳转。
        /// </summary>
        public string page { get; set; }

        /// <summary>
        /// Object        是    模板内容，格式形如 { "key1": { "value": any }, "key2": { "value": any } }
        /// </summary>
        public object data { get; set; }
 /// <summary>
        /// string        否    跳转小程序类型：developer为开发版；trial为体验版；formal为正式版；默认为正式版
        /// </summary>
        public string miniprogram_state { get; set; }

        /// <summary>
        /// string        否    进入小程序查看”的语言类型，支持zh_CN(简体中文)、en_US(英文)、zh_HK(繁体中文)、zh_TW(繁体中文)，默认为zh_CN
        /// </summary>
        public string lang { get; set; }

获取 token

 public Result GetAccessToken()
        {
            var _result = new Result();
            try
            {
                var tokenModel = Senparc.Weixin.MP.CommonAPIs.CommonApi.GetToken(AppId, AppSecret);
                if (tokenModel == null)
                {
                    _result.success = false;
                    _result.message = "请求token失败";
                    return _result;
                }
                if (tokenModel.errcode != 0)
                {
                    _result.success = false;
                    _result.message = _result.message = "获取授权token失败，错误代码：" + tokenModel.errcode + "，错误原因：" + tokenModel.errmsg;
                    return _result;
                }
 var cacheModel = new AccessTokenCache()
                {
                    access_token = tokenModel.access_token,
                    expires = DateTime.Now.AddSeconds(tokenModel.expires_in)
                };
                _cacheManage.GetCache(Common.CacherKeyHelper.AccessTokenCacheKey()).Set("wxapp", cacheModel, TimeSpan.FromSeconds(tokenModel.expires_in));
                _result.success = true;
                _result.data = cacheModel;
            }
            catch (Exception ex)
            {
                _result.success = false;
                _result.message = ex.Message;
            }

            return _result;

        }

封装订阅消息模型

 private MpBusinessDataTempleteMessage GetMpBusinessDataTempleteMessage(SendMessageRequestDto input)
        {
            return new MpBusinessDataTempleteMessage()
            {
                amount1 = new MpTempleteMessageBaseItem()
                {
                    value = input.key_word1
                },
                amount2 = new MpTempleteMessageBaseItem()
                {
                    value = input.key_word2
                },
                amount4 = new MpTempleteMessageBaseItem()
                {
                    value = input.key_word4
                },
                number3 = new MpTempleteMessageBaseItem()
                {
                    value = input.key_word3
                },
                time5 = new MpTempleteMessageBaseItem()
                {
                    value = input.key_word5
                }

            };
        }

接口参数模型

 /// <summary>
    /// 发送订阅消息的参数
    /// </summary>
    public class SendMessageRequestDto
    {

        public SendMessageRequestDto()
        {
            miniprogram_state = "formal";
            lang = "zh_CN";
        }
        /// <summary>
        /// 发送者的openid
        /// </summary>
        public string openid { get; set; }

        /// <summary>
        /// 订阅号类型 
        /// 1-经营数据通知
        /// </summary>
        public string template_type { get; set; }
  /// <summary>
        /// 点击模板卡片后的跳转页面，仅限本小程序内的页面。支持带参数,（示例index?foo=bar）。该字段不填则模板无跳转。
        /// </summary>
        public string page { get; set; }

        /// <summary>
        /// 跳转小程序类型：developer为开发版；trial为体验版；formal为正式版；默认为正式版
        /// </summary>
        public string miniprogram_state { get; set; }

        /// <summary>
        /// 进入小程序查看”的语言类型，支持zh_CN(简体中文)、en_US(英文)、zh_HK(繁体中文)、zh_TW(繁体中文)，默认为zh_CN
        /// </summary>
        public string lang { get; set; }

        /// <summary>
        /// 内容关键字 1
        /// </summary>
        public string key_word1 { get; set; }
  /// <summary>
        /// 内容关键字 2
        /// </summary>
        public string key_word2 { get; set; }

        /// <summary>
        /// 内容关键字 3
        /// </summary>
        public string key_word3 { get; set; }

        /// <summary>
        /// 内容关键字 4
        /// </summary>
        public string key_word4 { get; set; }


        /// <summary>
        /// 内容关键字 5
        /// </summary>
        public string key_word5 { get; set; }


        /// <summary>
        /// 内容关键字 6
        /// </summary>
        public string key_word6 { get; set; }

        /// <summary>
        /// 备注
        /// </summary>
        public string remark { get; set; }
    }

发送方法

  public Result SendMessage(SendMessageRequestDto input)
        {
            var _result = new Result();
            try
            {

                var _error = "";
                var _token = _cacheManage.GetCache(Common.CacherKeyHelper.AccessTokenCacheKey()).Get("wxapp", () =>
                {
                    var _tokenResult = GetAccessToken();
                    if (_tokenResult.success)
                    {
                        var cacheToken = _tokenResult.data as AccessTokenCache;
                        if (cacheToken == null)
                        {
                            return null;
                        }
                        else
                        {
                            return cacheToken;
                        }
                    }
else
                    {
                        _error = _tokenResult.message;
                        return null;
                    }
                });

                if (!string.IsNullOrWhiteSpace(_error))
                {
                    _result.success = false;
                    _result.message = _error;
                    return _result;
                }
 if (_token == null || _token.expires < DateTime.Now)
                {
                    _cacheManage.GetCache(Common.CacherKeyHelper.AccessTokenCacheKey()).Remove("wxapp");

                    var _tokenResult = GetAccessToken();
                    if (_tokenResult.success)
                    {
                        _token = _tokenResult.data as AccessTokenCache;
                    }
                    else
                    {
                        _error = _tokenResult.message;
                        _result.success = false;
                        _result.message = _error;
                        return _result;
                    }
                }
 var template_id = "";
                object message = new object();

                switch (input.template_type)
                {
                    case "1":
                        template_id = "Ue2WWXj6Bm58AyzauXJ0WfyHo5_w";
                        message = GetMpBusinessDataTempleteMessage(input);
                        break;
                }
 var messageData = new MpTempleteMessageModel
                {
                    touser = input.openid,
                    template_id = template_id,
                    page = input.page,
                    data = message,
                    lang = input.page,
                    miniprogram_state = input.miniprogram_state



                };
  var url = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=" + _token.access_token;

                var _mpResult = CommonJsonSend.Send<MpResult>(null, url, messageData);
            }
            catch (Exception ex)
            {
                _result.message = ex.Message;
                _result.success = false;

            }

            return _result;
        }