需求:要求el-select可手填可下拉
<el-select v-model="listQuery.data.qw"placeholder="请输入"clearable filterable allow-create >
<el-option v-for="option in options" :key="option" ;label="option" :value="option">
</el-option>
</el-select>
ele文档提供的属性allow-create 即可实现