Nodejs 微信小程序消息推送的实现

// 小程序
<Text className='rights-buy' onClick={this.messageSubmit}>
 入驻申请
</Text>

// 入驻申请消息订阅
messageSubmit = () => {
 Taro.requestSubscribeMessage({
  tmplIds: ['SuGMwqyYY9cocuP-LxfElcM3a7ITaF34lKNux6EaE9'],
  suess: (res) => {
   // 调用服务端接口,在数据库写入一条订阅记录
   // this.subscribeDeal()
  }
 })
}

async getAessToken () {
 const { appId, appSecert, host } = this.app.config.idolWxAConfig;

 return new Promise(async (resolve) => {
  const currentTime = new Date().getTime()

  const redisToken = await this.app.redis.get('wxtoken').get('token') || '{aess_token: "", expries_time: 0}'
  const aessTokenJson = JSON.parse(redisToken)

  if (aessTokenJson.aess_token === '' || aessTokenJson.expries_time < currentTime) {
   const res = await this.ctx.curl(`${host}/cgi-bin/token?appid=${appId}&secret=${appSecert}&grant_type=client_credential`, { dataType: 'json' })

   if (res.data) {

    aessTokenJson.aess_token = res.data.aess_token
    aessTokenJson.expries_time = new Date().getTime() + (parseInt(res.data.expires_in) - 200)  1000

    await this.app.redis.get('wxtoken').set('token', JSON.stringify(aessTokenJson))
    resolve(aessTokenJson)
   }
  } else {
   resolve(aessTokenJson)
  }
 })
}

async sendSubscribeMsg (openid) {

 let requestData = {
  "touser": `${openid}`,
  "template_id": "SuGMwqyYY9cocuP-LxfElcM3a7ITaF34lKNux6EaE9",
  "page": `/pages/certification/index`,
  "data": {
    "phrase2": {
     "value": `审核通过`
    },
    "thing3": {
     "value": `您的申请已经审核通过`
    }
  }
 }

 const { host } = this.app.config.idolWxAConfig;
 // 获取aess_toekn
 const tokenJson = await this.ctx.service.wx.getAessToken()
 const res = await this.ctx.curl(`${host}/cgi-bin/message/subscribe/send?aess_token=${tokenJson.aess_token}
 `, {
  method: 'POST',
  contentType: 'json',
  data: requestData,
  dataType: 'json'
 });

 if (res.data.errmsg === 'ok') {
  console.log('========推送成功========')
  // TODO
 } else {
  console.log('========推送失败========')
  // TODO
 }
}