add:  function (e) {

        wx.startWifi({ //初始化wifi

            success:  function (res) {

                console.log(res.errMsg +  "11654" );

                wx.getWifiList({ //成功后，就可以获取列表了

                    success:  function (res) {

                        console.log(res);

                        //列表获取成功后，要到事件里提取

                        wx.onGetWifiList( function (res) {

                            console.log(res); //在这里提取列表数据

                        })

                    }

                });

            }

        });

}