el-table自适应父元素

::v-deep .el-table {
    width: 100%;

    .el-table__header-wrapper table,
    .el-table__body-wrapper table {
        width: 100% !important;
    }

    .el-table__body,
    .el-table__footer,
    .el-table__header {
        table-layout: auto;
    }
}