uniProject/App.vue

<script>
	import {
		onBackPress
	} from "@dcloudio/uni-app"
	import {
		toast,
		getUserIdentity
	} from "@/utils/common";
	import cacheManager from "@/utils/cacheManager.js";
	export default {
		// creat by wgy 0619  生命周期 钩子  
		onLaunch: function() {
			console.log('App Launch')



		},
		onShow: function() {
			console.log('App Show')
			// #ifdef APP-PLUS
			if (cacheManager.get('auth')) {
				console.log('有auth')
				uni.redirectTo({
					url: `/pages/study/index`
				})
			} else {
					console.log('wuasdasdasdsaauth')
				cacheManager.clearAll()
				uni.redirectTo({
					url: '/pages/login/index'
				});
			}
			const webview = plus.webview.currentWebview();
			plus.key.addEventListener('backbutton', () => {
				console.log('12312312312312231231');
				event.preventDefault();
				return false
			});
			// #endif

		},
		onHide: function() {
			console.log('App Hide')

		}
	}
</script>

<style lang="scss">
	/* 公共样式 */
	@import '/common/styles/index.scss';

	body,
	html,
	#app {
		font-family: "Helvetica Neue", "Microsoft YaHei", "SimHei", "SimSun", "Arial", sans-serif;
		margin: 0;
		padding: 0;
		box-sizing: border-box;
	}
</style>