console.log('开始监听设备方向的变化当前版本是否可用：',wx.canIUse('startDeviceMotionListening'))    // 打印的是true
 wx.startDeviceMotionListening({
      interval: 'normal',
      success(res) {
        console.log('startDeviceMotionListening res', res)
      },
      fail(err) {
        console.log('startDeviceMotionListening err', err)
      },
      complete(res) {
        console.log('startDeviceMotionListening complete', res)
      }
    })