<template> <div class="top_nav" v-for="item in tits" :key="item.id"> <input type="button" :class="{'my-button': true, 'active': isClicked1}" value="item.title" @click="toggleButton1"> <input type="button" :class="{'my-button': true, 'active': isClicked2}" value="item.title" @click="toggleButton2"> </div> </template> <script> export default { name:'homeHeader', data() { return { isClicked1: true, isClicked2: false, tits:[], } }, methods: { toggleButton1() { if (this.isClicked1) { return; } this.isClicked1 = true; this.isClicked2 = false; this.$emit('reset-buttons'); }, toggleButton2() { if (this.isClicked2) { return; } this.isClicked1 = false; this.isClicked2 = true; this.$emit('reset-buttons'); } }, props:['tit'] } </script> <style scoped> .my-button { border: none; border-radius: 4px; background-color: #f0f0f000; transition: all 0.2s ease-in-out; cursor: pointer; color: rgb(154, 154, 154); font-size: 16px; } .active { background-color: rgba(51, 51, 51, 0); color: rgb(0, 0, 0); font-size: 26px; } .top_nav input{ float: left; } </style>为什么第三行第四行不能显示