Element UI 表格：条件显示特定列 (v-if 筛选)

<el-table-column\n v-for="(col,index) in dataFilter"\n :key="col.id+index"\n :label="col.name"\n :min-width="col.minWidth"\n :width="col.width"\n :prop="col.code"\n :align="col.align"\n :sortable="col.sortable"\n show-overflow-tooltip\n v-if="scope.row.a === 1 && col.code === 'ld'">\n