xs/xs-app/pages/index/index.vue

<template>
	<view class="content">
		<image class="logo" src="/static/logo.png"></image>
		<view class="text-area">
			<text class="title">{{title}}</text>
		</view>
		<button @click="cb"> 第1章复仇者

		</button>
		<view v-for="(v,k,i) in obj" key="k">
			<text> {{v}}{{i}}</text>
		</view>
	</view>
</template>

<script setup lang="ts">
	import { ref,reactive ,onMounted,onUnmounted,watch} from 'vue';
	let title = ref("123")
	let obj = reactive({a:"12",b:"123"});
	let cb = function(){
		alert("你有点呆呆的！")
		title.value = "fuck!"
		obj.a = "world";
	}
	onMounted(()=>{
		
	})
	onUnmounted(()=>{
		alert("我被卸载了")
	})
	
	watch(obj,async (new_v,old_v)=>{
		alert(`我被改变了${new_v}`)
		console.log(new_v,old_v)
	})
	
</script>

<style scoped>
	.content {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	.logo {
		height: 200rpx;
		width: 200rpx;
		margin-top: 200rpx;
		margin-left: auto;
		margin-right: auto;
		margin-bottom: 50rpx;
	}

	.text-area {
		display: flex;
		justify-content: center;
	}

	.title {
		font-size: 36rpx;
		color: #8f8f94;
	}
</style>