vue+vantUI实现单选、多选题(上一题、下一题) <template><div class="exam-online"><div class="table-list2"><div v-for="(item,index) in questionList" :key="index"><div v-if="currentNum===index"><div slot="title" class=""><span class="">{{index+1}}. </span><span class="">{{item.questionName}}<