用vue简单的实现点击按钮切换背景颜色，具体代码如下所示：

<div class="btnTitle"> <div class="btn-bg" :class="{bg:time == 3}" @click="changeBg(3)">15天</div> <div class="btn-bg" :class="{bg:time == 4}" @click="changeBg(4)">30天</div> </div> <div class="btnTitle"> <div class="btn-bg" :class="{bg:increase == 5}" @click="changeBg(5)">增量</div> <div class="btn-bg" :class="{bg:increase == 6}" @click="changeBg(6)">总量</div> </div> // 在methods方法里面 data () { time: 3, increase: 5, }, methods: { changeBg (index) { if (index === 3 || index === 4) { this.time = index } else if (index === 5 || index === 6) { this.increase = index } else { this.sort = index } } } // css样式 <style lang="scss"> .bg { background-color: rgb(12, 197, 89); color: #fff; } .btnTitle { display: flex; width: 400px; border: 1px solid #ccc; background-color: #fff; margin-left: 10px; border-radius: 5px; .btn-bg { width: 50%; height: 40px; text-align: center; line-height: 40px; border-radius: 5px; } } </style>

点击前

点击后

就这样简单的切换效果就达到了！！！！

附录：vue-绑定class实现动态切换按钮背景颜色

动态的绑定class

<template> <div class="pay"> <div class="pay-container" v-for="(list,index) in payconfigEntities" v-bind:class="{colorChange:index==dynamic}" direction="column" @click="getMoney(index)"> <div class="pay-money">{{list.effect}}</div> <div class="pay-time">{{list.duration}}分钟{{list.money}}元</div> </div> </div></template><script> export default { name: "Home", data() { return {payconfigEntities:[{"duration":6,"effect":"缓解疲劳","money":4},{"duration":6,"effect":"缓解疲劳","money":4},{"duration":6,"effect":"缓解疲劳","money":4}],dynamic:-1, } }, methods: { getMoney: function (index) { console.log(index); //点击添加字体颜色，其他的删除class名称 this.dynamic = index; } },}</script><style scoped> .colorChange { background-color: orange; }</style>

总结

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