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     })   },