我知道间距JTable
单元格非常简单,如下所示;
int gapWidth = 10;
int gapHeight = 5;
table.setIntercellSpacing(new Dimension(gapWidth, gapHeight));
这样的间距似乎不会影响表头。有没有一种方法可以以相同的尺寸分隔标题?
最佳答案
最简单的方法是在TableCellRenderer
中设置EmptyBorders to the JTableHeader
上面的代码做了我的间距,但是标题和实际行单元格值的对齐看起来有些偏离-由于间距仅放置在单元格上而不是标题上。
我添加了SSCCE(3分钟27秒,在此处上传)
从代码
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
public class IntercellSpacingTableHeader {
private JFrame frame = new JFrame("Table Demo");
private String[] columnNames = {"String", "Integer", "Float", "Double"};
private Object[][] data = {
{"aaa", new Integer(12), new Float(12.15), new Double(100.05)},
{"bbb", new Integer(5), new Float(7.154), new Double(6.1555)},
{"CCC", new Integer(92), new Float(0.1135), new Double(3.1455)},
{"ddd", new Integer(12), new Float(31.15), new Double(10.05)},
{"eee", new Integer(5), new Float(5.154), new Double(16.1555)},
{"fff", new Integer(92), new Float(4.1135), new Double(31.1455)}};
private TableModel model = new DefaultTableModel(data, columnNames) {
private static final long serialVersionUID = 1L;
@Override
public Class<?> getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
};
private JTable table = new JTable(model);
public IntercellSpacingTableHeader() {
int gapWidth = 10;
int gapHeight = 5;
table.setIntercellSpacing(new Dimension(gapWidth, gapHeight));
table.setRowHeight(20);
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scroll = new JScrollPane(table);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scroll);
frame.pack();
frame.setLocation(150, 150);
frame.setVisible(true);
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
new IntercellSpacingTableHeader();
}
});
}
}