java - Vaadin 网格宽度和高度未根据数据动态设置

Question

我正在尝试显示 Vaadin 框架的网格组件内的项目列表。默认情况下，网格的大小非常小。它没有显示所有列名称。我需要滚动才能看到所有列。我的网格只有 10 列。根据列表中的数据，它没有变化。

我尝试通过以下方法设置网格大小:

this.grid.setHeightByRows(list.size());

this.grid.setSizeUndefined();

this.grid.setSizeFull();

以上都无法根据数据设置大小

private Grid<PrevYearConsumption> createGridTable() {

        Grid<PrevYearConsumption> grid = new Grid<PrevYearConsumption>();
        grid.addColumn(PrevYearConsumption::getPreviousPeriod).setCaption(PrevYearConstants.PREVIOUS_PERIOD);
        grid.addColumn(PrevYearConsumption::getPresentReading).setCaption("Prev Elec");
        grid.addColumn(PrevYearConsumption::getPreviousDataComplete)
                .setCaption(PrevYearConstants.PREVIOUS_DATA_COMPLETE);
        grid.addColumn(PrevYearConsumption::getPreviousDq).setCaption(PrevYearConstants.PREVIOUS_DQ);
        grid.addColumn(PrevYearConsumption::getPresentPeriod).setCaption(PrevYearConstants.PRESENT_PERIOD);
        grid.addColumn(PrevYearConsumption::getPresentReading).setCaption("Present Elec");
        grid.addColumn(PrevYearConsumption::getPresentDataComplete).setCaption(PrevYearConstants.PRESENT_DATA_COMPLETE);
        grid.addColumn(PrevYearConsumption::getPresentDq).setCaption(PrevYearConstants.PRESENT_DQ);
        grid.addColumn(PrevYearConsumption::getDiff).setCaption(PrevYearConstants.DIFFERENCE);
        grid.addColumn(PrevYearConsumption::getPercentageChange).setCaption(PrevYearConstants.PERCENTAGE);
        grid.setSizeUndefined();
        return grid;
    }

View类内部

public class viewClass {
    private HorizontalLayout tableLayout = new HorizontalLayout();

    public void method ()
    {
        this.grid = createGridTable();
        this.tableLayout.setSizeFull();
        this.tableLayout.addComponent(this.grid);
        List<PrevYearConsumption> list = getList();
        this.grid.setItems(list);
    }

}

Answer 1

你可以试试这个:

this.tableLayout.setSizeUndefined();