The front end of the applet implements the subscription message

data:{
    
    
	weixinVersion:'',//微信版本号
	templateId:[]
}
onLoad: function (options){
    
    
    let that = this
	wx.getSystemInfo({
    
    
	  success: function (res) {
    
    
	    let version = res.version;
	    version = version.replace(/\./g, "")
	    that.setData({
    
    
	      weixinVersion: version,
	    })
	  }
	})
	let tempId= "HLqRVGo4uOEc-8dO1woj1K4_Gd0IiBZ-zNvzpWWaoBE,g9NA51_veMd5mydAwPsPSKnnEKBSRW4F8qtA9r53s6s",//后台返回的tempId
	let tempPiniD = tempId.split(',')
	that.setData({
    
    
      templateId: tempPiniD,
    })
}

// 订阅消息
requestMsg() {
    
    
  let that = this
//微信版本大于7.0.4才可以发送订阅消息
  if (that.data.weixinVersion > 704) {
    
    
    wx.requestSubscribeMessage({
    
    
      tmplIds: that.data.templateId,
      success: (res) => {
    
    
        let params = []//传给后端已选择的订阅消息
        for (let i in that.data.templateId) {
    
    
          if (res[that.data.templateId[i]] === 'accept') {
    
    
            params.push(that.data.templateId[i])
          }
        }
        if (params == '') {
    
    
          console.log('用户取消订阅')
        } else {
    
    
          api.wxRequest({
    
    
            method: 'POST',
            url: "app/template/subscribe",
            data: {
    
    
              templateIds: params
            },
          }).then(res => {
    
    
            console.log("template/subscribe", res)
          })
        }
        console.log('成功后执行提交订单')
        that.jump()
      },
      fail(err) {
    
    
        console.log("失败", err);
        that.jump()
      }
    })
  } else {
    
    
    console.log('用户微信版本小于7.0.4')
    that.jump()
  }
},
// 支付成功跳转
jump() {
    
    
  let that = this
  wx.redirectTo({
    
    
    url: '../orderDetails/orderDetails',
  })
},