getStore: () => {

let that = this;

var storeid = query.storeid;

wx.request({

url: url,

data: {

storeid: storeid

},

success: function (res) {

if (res.data.code == 0) {

console.log(that);

that.setData({

store: res.data.info

})

}

}

})

},

请求回来，打印出来的that是undefined，是不能这样赋值吗