学生党一枚，刚接触小程序，有很多地方不懂，望得到各位指点

authorization(e) {

    let that = this

    console.log("abaaba",this.data.open_id.result.openid)

    console.log(e)

    if (wx.requestSubscribeMessage) {

      wx.requestSubscribeMessage({

        tmplIds: ['QPLrrmYm_Kt8giQiZHLJhPW-wQXxy5a4CrwgNSpMZe4'],

        success(res) {

          if (res['QPLrrmYm_Kt8giQiZHLJhPW-wQXxy5a4CrwgNSpMZe4'] === 'accept') {

            console.log("授权成功",res)

            that.send_pop(e)

          } else if (res['QPLrrmYm_Kt8giQiZHLJhPW-wQXxy5a4CrwgNSpMZe4'] ==='reject') {

            console.log("取消授权")

          } else {

            wx.showToast({

              title: '授权订阅消息有误',

              icon: 'none'

            })

          }

        },

        fail(res) {

          if (res.errCode == 20004) {

            // 显示引导设置弹窗

            that.setData({

              isShowSetModel: true

            })

          }else{

            // 其他错误信息码，对应文档找出原因

            wx.showModal({

              title: '提示',

              content: res.errMsg,

              showCancel: false

            })

          }

        }

      })

    } else {

      wx.showModal({

        title: '提示',

        content: '请更新您微信版本，来获取订阅消息功能',

        showCancel: false

      })

    }

}

//拉起弹窗

 send_pop(e) {

   console.log("拉起弹窗",e)

    const position = e.currentTarget.dataset.position

    let customStyle = ''

    let duration = this.data.duration

    switch(position) {

      case 'top':

      case 'bottom': 

        customStyle = 'height: 80%;'

        break

      case 'right':

        break

    }

    this.setData({

      position,

      show: true,

      customStyle,

      duration

    })

  },