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Java 为JTable中指定的单元格设置背景色_Java_Jtable_Tablecellrenderer - Fatal编程技术网

Java 为JTable中指定的单元格设置背景色

Java 为JTable中指定的单元格设置背景色,java,jtable,tablecellrenderer,Java,Jtable,Tablecellrenderer,我试图通过传递行参数和列以及所需的颜色来定义JTable中单元格的颜色。然而,他在整列中绘制特定点的实现方式 ... table.getColumnModel().getColumn(2). setCellRenderer(new CellRenderer(3,2,new Color(24,65,87))); class CellRenderer extends DefaultTableCellRenderer { private

我试图通过传递行参数和列以及所需的颜色来定义JTable中单元格的颜色。然而,他在整列中绘制特定点的实现方式

    ...        
    table.getColumnModel().getColumn(2).
          setCellRenderer(new CellRenderer(3,2,new Color(24,65,87)));

class CellRenderer extends DefaultTableCellRenderer {

    private static final long serialVersionUID = 1L;
    private Integer row;
    private Integer col;
    private Color color;

    public CellRenderer(Integer row, Integer col, Color color) {
        this.row = row;
        this.col = col;
        this.color = color;
    }

    public Component getTableCellRendererComponent(JTable table, Object value,
            boolean isSelected, boolean hasFocus, int row, int col) {

        Component c = super.getTableCellRendererComponent(table, value,
                isSelected, hasFocus, row, col);

        if(this.row == row && this.col == col){
            c.setBackground(this.color);
        }

        return c;
    }
}

单元渲染器用于给定列或对象类型的所有单元。您需要提供一些对象来维护要使用的信息,以便渲染器可以决定高亮显示什么


或者使用SwingLabs SwingX库中的JXTable,该库具有突出显示功能

这里可以找到可能的解决方案-谢谢!我决定使用idea和object设置更改颜色