App.vue

<script>
    export default {
        onLaunch: function() {
            console.log('App Launch')

            // const performance: Performance = uni.getPerformance()
            // const observer1: PerformanceObserver = performance.createObserver((entryList: PerformanceObserverEntryList) => {
            //   console.log("observer1:entryList.getEntries()" + JSON.stringify(entryList.getEntries()))
            // })
            // observer1.observe({ entryTypes: ['render', 'navigation'] } as PerformanceObserverOptions)
        },
        onShow: function() {
            console.log('App Show')
        },
        onHide: function() {
            console.log('App Hide')
        }
    }
</script>

<style>
    /*每个页面公共css */
    @import './common/uni.css';

    /* #ifdef H5 */
    @media screen and (min-width: 768px) {
        body {
            overflow-y: scroll;
        }
    }

    /* 顶栏通栏样式 */
    /* .uni-top-window {
  	    left: 0;
  	    right: 0;
  	} */

    uni-page-body {
        background-color: #F5F5F5 !important;
        min-height: 100% !important;
        height: auto !important;
    }

    .uni-top-window uni-tabbar .uni-tabbar {
        background-color: #fff !important;
    }

    .uni-app--showleftwindow .hideOnPc {
        display: none !important;
    }

    /* #endif */
</style>