<tr v-for="(exam,index) in exams" :key="exam.id" >
<td class="border-t">{{ index }}</td>
<td class="border-t">{{ exam.name }}</td>
</tr>
重点:(exam,index) in exams
<tr v-for="(exam,index) in exams" :key="exam.id" >
<td class="border-t">{{ index }}</td>
<td class="border-t">{{ exam.name }}</td>
</tr>
重点:(exam,index) in exams