一、代码

<template>
	<view>
		<view class="xg">
			<view :class="{'active':isActive==1}" @click="chenked(1)">One</view>
			<view :class="{'active':isActive==2}" @click="chenked(2)">Two</view>
			<view :class="{'active':isActive==3}" @click="chenked(3)">Three</view>
		</view>
		<view class="page">
			<view class="One" v-if="isActive==1">
				<text>分页一</text>
			</view>
			<view class="Two" v-if="isActive==2">
				<text>分页二</text>
			</view>
			<view class="Three" v-if="isActive==3">
				<text>分页三</text>
			</view>
		</view>
	</view>	
</template>

<script>
	export default {
		data() {
			return {
				isActive: 1
			}
		},
		methods: {
			chenked(type) {
				this.isActive = type
			}
		}
	}
</script>

<style>	
	.xg{
		width: 100%;
		height: 60rpx;
		display: flex;
		justify-content: space-between;
	}
	.xg>view{
		text-align: center;
		line-height: 60rpx;
		display: inline-block;
		width: 100rpx;
		height: 60rpx;
		background: #4CD964;
	}
	
	.active {
		position: relative;
		color: #F1F1F1;
		border-bottom: 6px solid #007AFF;
	}
	
	.page>view{
		text-align: center;
		line-height: 600rpx;
		font-size: 46rpx;
		width: 100%;
		height: 600rpx;
		background: pink;
	}
</style>

二、效果图