vue单选按钮，选中改变其当前按钮颜色_邱志刚的博客_vue按钮颜色

vue单选按钮，选中改变其当前按钮颜色

html:
 <span v-for="(item,index) in state" :key="index"
  @click="leftChange(index)" 
  :class="{ liBackground:changeLeftBackground == index}"> {
   html:
 <