微信小程序 存储手机状态栏高度

App({
	onLaunch(){
		let _this = this
		wx.getSystemInfo({
			success(res) => {
				// 获取胶囊按钮信息
				let circle = wx.getMenuButtonBoundingClientRect()
				_this.globalData.ButtonBoundingPadding =  circle.top - res.statusBarHeight
				_this.globalData.ButtonBoundingTop = circle.top
				_this.globalData.ButtonBoundingHeight = circle.height

			}
		})

	},
	globalData:{
		ButtonBoundingPadding: 0,
		ButtonBoundingTop: 0,
		ButtonBoundingHeight: 0

	}
})