java中如何实现复杂表头

//下面是我改的一个双表头的的例子，关键部分代码，希望对你有帮助
//----------------------------------------------------------------------
Header header = new Header(30);
header.add(new HeaderCellLabel("开奖日期", 0, 0, 1, 1), new HeaderCellConstraints(0, 0, 1, 2)); //format(列号，行号，列数，行数)
header.add(new HeaderCellLabel("期号", 0, 0, 1, 1), new HeaderCellConstraints(1, 0, 1, 2));
header.add(new HeaderCellLabel("销售额（元）", 0, 0, 1, 1), new HeaderCellConstraints(2, 0, 1, 2));
header.add(new HeaderCellLabel("开奖结果", 0, 0, 1, 1), new HeaderCellConstraints(3, 0, 1, 2));
header.add(new HeaderCellLabel("特等奖", 0, 0, 1, 1), new HeaderCellConstraints(4, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(4, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(5, 1, 1, 1));
header.add(new HeaderCellLabel("一等奖", 0, 0, 1, 1), new HeaderCellConstraints(6, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(6, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(7, 1, 1, 1));
header.add(new HeaderCellLabel("二等奖", 0, 0, 1, 1), new HeaderCellConstraints(8, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(8, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(9, 1, 1, 1));
header.add(new HeaderCellLabel("三等奖", 0, 0, 1, 1), new HeaderCellConstraints(10, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(10, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(11, 1, 1, 1));
header.add(new HeaderCellLabel("四等奖", 0, 0, 1, 1), new HeaderCellConstraints(12, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(12, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(13, 1, 1, 1));
header.add(new HeaderCellLabel("五等奖", 0, 0, 1, 1), new HeaderCellConstraints(14, 0, 2, 1));
header.add(new HeaderCellLabel("注数", 0, 0, 1, 1), new HeaderCellConstraints(14, 1, 1, 1));
header.add(new HeaderCellLabel("每注奖金", 0, 0, 1, 1), new HeaderCellConstraints(15, 1, 1, 1));
// header.add(new HeaderCellLabel("<html>aa<p>bb<p>cc</html>", 0, 0, 1, 1),new HeaderCellConstraints(3, 1, 1, 3)); return header;
}class Header extends MyHeader {
private int rowHeight = 20; public Header(int rowHeight) {
setLayout(new HeaderLayout()); this.rowHeight = rowHeight;
} public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
HeaderLayout layout = (HeaderLayout) getLayout();
d.height = layout.getRowCount() * rowHeight; return d;
}
}
class HeaderCellLabel extends JButton { public HeaderCellLabel(Icon icon, int top, int left, int bottom, int right) {
this("", icon, top, left, bottom, right);
} public HeaderCellLabel(String text, Icon icon, int top, int left, int bottom, int right) {
super(text, icon);
setBorder(BorderFactory.createMatteBorder(top, left, bottom, right, Color.gray));
} public HeaderCellLabel(String text, int top, int left, int bottom, int right) {
this(text, null, top, left, bottom, right);
}
}
class HeaderCellConstraints {
public final int x;
public final int y;
public final int colSpan;
public final int rowSpan; public HeaderCellConstraints(final int x, final int y, final int colSpan, final int rowSpan) {
this.x = x;
this.y = y;
this.colSpan = colSpan;
this.rowSpan = rowSpan;
} public HeaderCellConstraints(final int x, final int y, final int colSpan) {
this(x, y, colSpan, 1);
} public HeaderCellConstraints(final int x, final int y) {
this(x, y, 1, 1);
}
}

调试易

java中如何实现复杂表头

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