vue+element-plus table表格一个单元格中添加多行数据

::v-deep(.cell_table) {
    padding: 0;

    .cell {
        padding: 0;
    }

    .item_tr {
        // padding: 5px;
        height: 50px;
        background: transparent;
        display: flex;
        justify-content: center;
        align-items: center;
        border-bottom: 1px solid #ebeef5;

    }

    .item_td {
        padding: 5px;
        height: 100%;
        width: 100%;
        display: flex;
        background: transparent;
        justify-content: center;
        align-items: center;

        .ellipsis {
            width: 100%;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
    }


    .item_tr:last-child {
        border-bottom: 0;

    }

}