[图片]  jiarubanji(e){     var that=this     console.log(e.currentTarget.dataset.id)     that.setData({       url1:e.currentTarget.dataset.id     })     console.log(that.data.url1)     db.collection('class').where({_id:e.currentTarget.dataset.id}).get().then(res=>{       console.log(res)       console.log(res.data[0].classname)       that.setData({         classname: res.data[0].classname       })       console.log(that.data.classname)     })     db.collection('yonghu').doc(that.data.url1).updata({       data:{         classname:that.data.classname       },       success: function(res) {         console.log(res.data)       }     })   }

[图片] [图片] 以上是事件和按钮控件的属性 每次执行点击操作都会先跳转到ParentsHomePage