v-model绑定的值与option选项value值对应,
label值为显示的标签
<el-select v-model="updatelist.diseCategoryId" placeholder="请选择" >
<el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value">
<span style="float: left">{
{ item.label }}</span>
<span style="float: right; color: #8492a6; font-size: 13px">{
{ item.value }}</span>
</el-option>
</el-select>