vxe-table表格自定义表头（必填加*）

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<vxe-table           ref="table"           :show-header-overflow="true"           :show-overflow="true"           :data="chooseAttributes"           border           :header-cell-style="{ background: '#f2f5ff' }"           :sortConfig="{ trigger: 'cell' }"           stripe           v-loading="loading"           max-height="396px"           :row-config="{ isHover: true }"         >           <template slot="empty">             <ele-empty />           </template>           <vxe-column             v-for="(item, index) in columns1"             :minWidth="item.minWidth"             :visible="item.visible"             :resizable="true"             :key="index"             :title="item.label"             :field="item.prop"             :slots="item.slots"             :sortable="item.sortable"             :fixed="item.fixed"           >           </vxe-column>           <vxe-column             :title="$t('info.newvalue')"             field="newValues"             minWidth="140px"           >             <template #header>               {{ $t('info.newvalue') }} <span class="star">*</span>             </template>             <template #default="{ row }">               <template v-if="row.inputTypeId == 3">                 <el-select                   v-model="row.newValues"                   :placeholder="$t('info.pleaseSelect')"                   class="ele-fluid sss"                   style="width: 380px"                   filterable                 >                   <el-option                     v-for="item in row.optionalList"                     :key="item.id"                     :label="item.desc"                     :value="item.id"                   />                 </el-select>               </template>               <template v-else>                 <el-input                   v-model="row.newValues"                   :placeholder="$t('info.pleaseInput')"                   clearable                 />               </template>             </template>           </vxe-column>         </vxe-table>