微信小程序亮度的调节方法与技巧

//获取应用实例

var app = getApp()

Page({

  data:{

  },

  changeScreenLight:function(e){

    var that = this;

    //滑动拉杆获得值

    wx.setScreenBrightness({

      value: parseFloat(e.detail.value).toFixed(1)

    })

    //给屏幕亮度赋值

    wx.getScreenBrightness({

      success: function(res) {

        that.setData({

          ScreenBrightness: res.value

        })

      }

    })

  }

})