子组件
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19<ul class="nav nav-pills"> <router-link to="/" active-class="current" replace> <li class="nav-item" @mouseover="mouseOver(1)" @mouseleave="mouseLeave()" @click="clickTab(1)"> <a class="nav-link mouse" :class="mouseType==1?'active1':'',activeType==1?'active':'',activeType==1&&mouseType==1?'active2':''" id="navTab" href="#">首页</a> </li> </router-link> <router-link to="/videoHome" active-class="current" replace> <li class="nav-item" @mouseover="mouseOver(2)" @mouseleave="mouseLeave" @click="clickTab(2)"> <a class="nav-link" :class="mouseType==2?'active1':'',activeType==2?'active':'',activeType==2&&mouseType==2?'active2':''" id="navTab" href="#">视频直播</a> </li> </router-link> </ul>
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23defineProps({ activeType: Number, mouseType: Number }) //子组件像父组件传值 const emit = defineEmits(["tabMsg"]); const clickTab = (e) => { emit("tabMsg", e); } // 移入 const mouseOver = (e) => { emit("tabMsg", { mouseOver: e }); } // 移出 const mouseLeave = (e) => { emit("tabMsg", { mouseLeave: '' }); }
父组件
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2<ListShowImg :list='list' :showIndex="showIndex" @onReceiveMsg="onReceiveMsg"></ListShowImg>
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15// 接受 tabMsg(e) { console.log('tab切换', e); if(e.mouseOver){ this.mouseType=e.mouseOver return } if(e.mouseLeave){ this.mouseType=e.mouseLeave return } if(e.tabIndex){ this.tabIndex = e.tabIndex + '' } }
完整代码 子组件
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122<script setup> import { ref } from 'vue' defineProps({ activeType: Number, mouseType: Number }) //子组件像父组件传值 const emit = defineEmits(["tabMsg"]); const clickTab = (e) => { emit("tabMsg", e); } // 移入 const mouseOver = (e) => { emit("tabMsg", { mouseOver: e }); } // 移出 const mouseLeave = (e) => { emit("tabMsg", { mouseLeave: '' }); } const count = ref(1) </script> <template> <div class="row"> <div class="col-sm-9 " style="padding: 0 !important;"> <div class="topNavBorder"> <div class="topNav"> <ul class="nav nav-pills"> <router-link to="/" active-class="current" replace> <li class="nav-item" @mouseover="mouseOver(1)" @mouseleave="mouseLeave()" @click="clickTab(1)"> <a class="nav-link mouse" :class="mouseType==1?'active1':'',activeType==1?'active':'',activeType==1&&mouseType==1?'active2':''" id="navTab" href="#">首页</a> </li> </router-link> <router-link to="/videoHome" active-class="current" replace> <li class="nav-item" @mouseover="mouseOver(2)" @mouseleave="mouseLeave" @click="clickTab(2)"> <a class="nav-link" :class="mouseType==2?'active1':'',activeType==2?'active':'',activeType==2&&mouseType==2?'active2':''" id="navTab" href="#">视频直播</a> </li> </router-link> </ul> </div> </div> </div> <!-- <div class="col-sm-3 " >123 </div> --> </div> </template> <style> .alert { border-radius: 0 !important; padding: 1rem 0 !important; } .alert-light { border-color: #F0F0F0 !important; } .paMa0 { padding: 0 !important; /* margin: 0 !important; */ margin-top: 1.6875rem; } .paMa0 .alert { padding: 0 !important; margin: 0 !important; } @media screen and (max-width:500px) { .topNavBorder { padding: 0.75rem; background: #fff; border-radius: 0.5rem; } } @media screen and (min-width:500px) { .topNavBorder { padding: 0.75rem; margin-right: 0.5rem; background: #fff; border-radius: 0.5rem; } } .topNav { display: flex; flex-direction: row; flex-wrap: wrap; /* border: 1px solid #000; overflow-x: scroll; */ } .topNavItem { padding: 0.375rem 0.5rem; margin-right: 1.1875rem; font-size: 1.125rem; font-family: Source Han Sans CN; font-weight: 400; line-height: 3rem; } .topNav .active { background: #78AE30 !important; border-radius: 0.1875rem !important; color: #fff !important; } .active1 { color: #78AE30 !important; } .active2 { color: #fff !important; } </style>
父组件
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43<template> <div class="container"> <div class="container "> <NavList :activeType="activeType" :mouseType="mouseType" @tabMsg="tabMsg"></NavList> </div> </div> </div> </template> <script> import $ from 'jquery' import NavList from '../../components/NavList.vue' export default { name: "home", components: { NavList, }, data() { return { activeType:1, showIndex: '1', //展示下标 }; }, methods: { // 接收 tabMsg(e) { console.log('tab切换', e); if(e.mouseOver){ this.mouseType=e.mouseOver return } if(e.mouseLeave){ this.mouseType=e.mouseLeave return } if(e.tabIndex){ this.tabIndex = e.tabIndex + '' } } } }; </script>
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最后
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