uni——不规则tab切换（skew）

案例展示

案例代码

<!-- 切换栏 -->
<view class="tabBoxs">
	<view class="tabBox">
		<block v-for="(item,index) in tabList" :key="index">
			<view class="tabItem"
				:class="current == item.id&&current==1?'activeLeft':current == item.id&&current==2?'activeRight':''"
				@click="changeTab(item)">
				{
   
   {item.name}}
				<view class="underLine" v-if="current == item.id"></view>
			</view>
		</block>
	</view>
</view>

const tabList = ref([{
    
    
	id: 1,
	name: '标题1'
}, {
    
    
	id: 2,
	name: '标题2'
}])
const current = ref(1)

function changeTab(item) {
    
    
	current.value = item.id
}

.tabBoxs {
    
    
	margin: 0 25rpx;
	border: 1px solid green;
	height: 96rpx;
	position: relative;

	.tabBox {
    
    
		position: absolute;
		bottom: 0;
		width: 100%;
		height: 84rpx;
		background: rgba(255, 255, 255, 0.73);
		border-radius: 15rpx 15rpx 0rpx 0rpx;
		display: flex;
		justify-content: space-between;
		align-items: center;

		.tabItem {
    
    
			flex: 1;
			text-align: center;
			font-size: 30rpx;
			color: #3D3D3D;
			position: relative;

			.underLine {
    
    
				position: absolute;
				left: 50%;
				bottom: 0;
				transform: translateX(-50%);
				width: 78rpx;
				height: 9rpx;
				background: #FC5C2B;
				border-radius: 60rpx 60rpx 60rpx 60rpx;
			}
		}

		.activeLeft {
    
    
			transform: translateY(-8rpx);
			height: 96rpx;
			display: flex;
			align-items: center;
			justify-content: center;
			border-radius: 15rpx 15rpx 0 0;
			background-color: #ffffff;
			font-size: 32rpx;
			color: #FC5C2B;
			position: relative;

			&::after {
    
    
				content: "";
				position: absolute;
				top: 0;
				right: -8px;
				width: 40rpx;
				height: 96rpx;
				border-radius: 0 11px 0 0;
				background: #ffffff;
				transform: skewX(8deg);
			}
		}


		.activeRight {
    
    
			transform: translateY(-8rpx);
			height: 96rpx;
			display: flex;
			align-items: center;
			justify-content: center;
			border-radius: 15rpx 15rpx 0 0;
			background-color: #ffffff;
			font-size: 32rpx;
			color: #FC5C2B;
			position: relative;

			&::after {
    
    
				content: "";
				position: absolute;
				top: 0;
				left: -8px;
				width: 40rpx;
				height: 96rpx;
				border-radius: 11px 0 0 0;
				background: #ffffff;
				transform: skewX(-8deg);
			}
		}
	}
}

参考按钮网站

https://juejin.cn/post/7036549260241797134