wit-uniapp/App.vue

<script>
	export default {
		data() {
			return {
			//	globalData: {},
			}
		},
		onLaunch: function() {
			console.log('App Launch')
			// uni.getSystemInfo({ //设置屏幕高度
			// 	success: res => {
			// 		//减去tabbar的高度，默认为50px
			// 		this.globalData.screenHeight = res.screenHeight;
			// 	//	this.globalData.screenWidth = res.screenWidth;
			// 	}
			// })
		},
		onShow: function() {
			console.log('App Show')
		},
		onHide: function() {
			console.log('App Hide')
		}
	}
</script>

<style lang="scss">
	/*每个页面公共css */
	@import "@/uni_modules/uview-ui/index.scss";
	  uni-page-body,html,body{  
	        height: 100%; 
			 width: 750rpx;
			 background: #F6F6F6;
	    }  
</style>