App.vue

<script>
	import Vue from 'vue'
	export default {
		onLaunch: function() {
			uni.getSystemInfo({
				success:function(e){
						Vue.prototype.statusBar = e.statusBarHeight
						// #ifndef MP
						if(e.platform == 'android') {
								Vue.prototype.customBar = e.statusBarHeight + 50
						}else {
								Vue.prototype.customBar = e.statusBarHeight + 45
						}
						// #endif
						
						// #ifdef MP-WEIXIN
						let custom = wx.getMenuButtonBoundingClientRect()
						Vue.prototype.customBar = custom.bottom + custom.top - e.statusBarHeight
						// #endif
						
						// #ifdef MP-ALIPAY
						Vue.prototype.customBar = e.statusBarHeight + e.titleBarHeight
						// #endif
				}
		})
		},
		onShow: function() {
			console.log('App Show')
		},
		onHide: function() {
			console.log('App Hide')
		}
	}
</script>

<style>
	/*每个页面公共css */
	.linear-bg {
		height: 100vh;
		background:linear-gradient($uni-color-blue, $uni-color-purle);
	}
</style>