uni-app realizes tab function

1. The principle is very simple, that is, click to switch content. directly on the code

 html

 js

css

Renderings:

 

code show as below:

  <view class="new-file">
    
    <!-- 第一种方法 -->
    <!-- 头部选项卡 -->
  <view class="head-nav">
				<view :class="navIndex==1?'activite':''" @click="checkIndex(1)">门诊服务</view>
				<view :class="navIndex==2?'activite':''" @click="checkIndex(2)">住院服务</view>
				<view :class="navIndex==3?'activite':''" @click="checkIndex(3)">便民服务</view>
			</view>
    <!-- 内容切换 -->
   <view class="content" v-if="navIndex==1">
      我是选项一
    </view>
    <view class="content" v-if="navIndex==2">
      我是选项二
    </view>
  <view class="content" v-if="navIndex==3">
      我是选项三
    </view>



<script>
  export default{
    data(){
      return{
        navIndex:1,
        listIndex:0
      }
    },
    methods:{
      checkIndex(index){
        this.navIndex =index;
      },
      
      checkListIndex(index){
        this.listIndex=index;
      }
    }
  }
</script>
<style scoped>
  .head-nav{
    width: 50%;
    margin:20rpx auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .activite{
    font-weight: bold;
    border-bottom: 6rpx solid #0065d9;
  }
  .head-nav>view{
    padding-bottom: 10rpx;
  }
  .box{background: #008000;}
</style>

 If you think it is good, you can give it a thumbs up and leave. I wrote it myself. There may be some problems. Everyone is welcome to correct it.