<el-table-column :show-overflow-tooltip="true" v-for="(column, index) in columns" :key="index" :type="column.type" :prop="column.prop" :label="column.label" :width="column.width" :fixed="column.fixed" :sortable="column.sortable" > </el-table-column>
vue里面廷加省略号
:show-overflow-tooltip="true"
