uniapp横向选项卡（水平滚动导航栏）效果demo（整理）

效果图：

<!-- 横向选项卡（水平滚动导航栏） -->
<template>
	<view>
		<!-- 顶部导航栏 -->
		<view class="horizonal-tab">
			<scroll-view scroll-x="true" scroll-with-animation class="scroll-tab">
				<block v-for="(item,index) in tabBars" :key="index">
					<view class="scroll-tab-item" :class="{'active': tabIndex==index}" @tap="toggleTab(index)">
						{
    {
    item.name}}
						<view class="scroll-tab-line"></view>
					</view>
				</block>
			</scroll-view>
		</view>

		<!-- 内容区 -->
		<view class="content">
			<!-- 滑块视图 -->
			<swiper :current="tabIndex" @change="tabChange">
				<!-- current:当前所在滑块的index -->
				<swiper-item v-for="(content,index) in contentList" :key="index">
					<view class="content">{
    {
    content}}</view>
				</swiper-item>
			</swiper>
		</view>


	</view>
</template>

<script>
	export default {
    
		data() {
    
			return {
    
				tabIndex: 0,
				/* 选中标签栏的序列,默认显示第一个 */
				contentList: [
					"关注",
					"推荐",
					"热点",
					"体育",
					'财经',
					'娱乐',
					'哈',
					'哈1',
					'哈2',
					'哈3',
				],
				tabBars: [{
    
						name: '关注',
						id: 'guanzhu'
					},
					{
    
						name: '推荐',
						id: 'tuijian'
					},
					{
    
						name: '热点',
						id: 'redian'
					},
					{
    
						name: '体育',
						id: 'tiyu'
					},
					{
    
						name: '财经',
						id: 'caijing'
					},
					{
    
						name: '娱乐',
						id: 'yule'
					},
					{
    
						name: '哈',
						id: 'ha'
					},
					{
    
						name: '哈1',
						id: 'ha1'
					},
					{
    
						name: '哈2',
						id: 'ha2'
					},
					{
    
						name: '哈3',
						id: 'ha3'
					}
				]
			}
		},
		methods: {
    
			//切换选项卡
			toggleTab(index) {
    
				this.tabIndex = index;
			},
			//滑动切换swiper
			tabChange(e) {
    
				console.log(e);
				this.tabIndex = e.detail.current;
			}
		}
	}
</script>

<style>
	.horizonal-tab {
    }

	.horizonal-tab .active {
    
		color: red;
	}

	.scroll-tab {
    
		white-space: nowrap;
		/* 必要，导航栏才能横向*/
		border-bottom: 1rpx solid #eee;
		text-align: center;
	}

	.scroll-tab-item {
    
		display: inline-block;
		/* 必要，导航栏才能横向*/
		margin: 20rpx 30rpx 0 30rpx;
	}

	.active .scroll-tab-line {
    
		border-bottom: 5rpx solid red;
		border-top: 5rpx solid red;
		border-radius: 20rpx;
		width: 70rpx;

	}
</style>