windows的scrollPane與table頭持平，這個(gè)功能以前我一直都不直到怎么實(shí)現(xiàn)，最近茅舍頓開(kāi)，時(shí)間不充裕，做的還不完善，有興趣可以看一下。
效果：
代碼：
package?azure.ui.swing.components.scrollPane;
import?java.awt.BorderLayout;
import?java.awt.Dimension;
import?java.awt.Rectangle;
import?java.awt.event.AdjustmentEvent;
import?java.awt.event.AdjustmentListener;
import?java.awt.event.MouseWheelEvent;
import?java.awt.event.MouseWheelListener;
import?javax.swing.JFrame;
import?javax.swing.JLabel;
import?javax.swing.JPanel;
import?javax.swing.JScrollBar;
import?javax.swing.JScrollPane;
import?javax.swing.JTable;
import?javax.swing.JViewport;
import?javax.swing.UIManager;
import?javax.swing.border.EmptyBorder;
/**
?*?@author?Azure
?*?@version?1.0?31/03/07
?*/
public?class?AzWindowsScrollFrame?extends?JFrame?implements?AdjustmentListener?{
????JScrollBar?vScrollBar?=?new?JScrollBar();
????JScrollBar?hScrollBar?=?new?JScrollBar();
????JTable?table;
????public?AzWindowsScrollFrame()?{
????????init();
????}
????public?static?void?main(String[]?args)?{
????????try?{
????????????UIManager
????????????????????.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
????????}?catch?(Exception?e)?{
????????????System.err.println("Something?went?wrong!");
????????}
????????AzWindowsScrollFrame?sf?=?new?AzWindowsScrollFrame();
????????sf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
????????sf.setLocationRelativeTo(null);
????????sf.setSize(new?Dimension(300,?200));
????????sf.setVisible(true);
????}
????private?void?init()?{
????????this.setLayout(new?BorderLayout());
????????Object?data[][]?=?{?{?"one",?"1",?"swing"?},?{?"two",?"2",?"is"?},
????????????????{?"three",?"3",?"very"?},?{?"four",?"4",?"nice"?},
????????????????{?"five",?"5",?"swing"?},?{?"six",?"6",?"is"?},
????????????????{?"seven",?"7",?"very"?},?{?"eight",?"8",?"nice"?},
????????????????{?"nine",?"9",?"swing"?},?{?"ten",?"10",?"is"?}?};
????????Object?headers[]?=?{?"col1",?"col2",?"col3"?};
????????table?=?new?JTable(data,?headers);
????????table.setPreferredSize(new?Dimension(500,?300));
????????JPanel?panel?=?new?JPanel();
????????panel.setLayout(new?BorderLayout());
????????JScrollPane?scrollPane?=?new?JScrollPane(table);
????????scrollPane
????????????????.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
????????scrollPane
????????????????.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
????????scrollPane.setBorder(new?EmptyBorder(0,?0,?0,?0));
????????panel.setBorder(new?EmptyBorder(0,?0,?0,?0));
????????panel.add(scrollPane,?BorderLayout.CENTER);
????????JPanel?hPanel?=?new?JPanel(new?BorderLayout());
????????hScrollBar.setOrientation(JScrollBar.HORIZONTAL);
????????int?visibleAmount?=?100;
????????hScrollBar.setVisibleAmount(visibleAmount);
????????hPanel.add(hScrollBar,?BorderLayout.CENTER);
????????JLabel?vConerlabel?=?new?JLabel();
????????vConerlabel.setMinimumSize(new?Dimension(15,?10));
????????vConerlabel.setPreferredSize(new?Dimension(15,?10));
????????vConerlabel.setBorder(new?EmptyBorder(0,?0,?0,?0));
????????hPanel.add(vConerlabel,?BorderLayout.EAST);
????????vScrollBar.addAdjustmentListener(this);
????????int?hVisibleAmount?=?60;
????????vScrollBar.setVisibleAmount(hVisibleAmount);
????????vScrollBar.setUnitIncrement(60);
????????vScrollBar.setValueIsAdjusting(true);
????????vScrollBar.addMouseWheelListener(new?MouseWheelListener()?{
????????????public?void?mouseWheelMoved(MouseWheelEvent?e)?{
????????????????vScrollBar.setValue(vScrollBar.getValue()
????????????????????????+?e.getWheelRotation()?*?60);
????????????}
????????});
????????hScrollBar.addAdjustmentListener(this);
????????hScrollBar.addMouseWheelListener(new?MouseWheelListener()?{
????????????public?void?mouseWheelMoved(MouseWheelEvent?e)?{
????????????????hScrollBar.setValue(hScrollBar.getValue()
????????????????????????+?e.getWheelRotation()?*?60);
????????????}
????????});
????????this.add(hPanel,?BorderLayout.SOUTH);
????????this.add(panel,?BorderLayout.CENTER);
????????this.add(vScrollBar,?BorderLayout.EAST);
????}
????public?void?adjustmentValueChanged(AdjustmentEvent?e)?{
????????if?(e.getSource()?==?vScrollBar)?{
????????????scrollToTableV(table,?e.getValue());
????????}?else?if?(e.getSource()?==?hScrollBar)?{
????????????scrollToTableH(table,?e.getValue());
????????}
????}
????public?void?scrollToTableH(JTable?table,?int?value)?{
????????if?(!(table.getParent()?instanceof?JViewport))?{
????????????return;
????????}
????????JViewport?viewport?=?(JViewport)?table.getParent();
????????Rectangle?viewRect?=?viewport.getViewRect();
????????Rectangle?rect?=?new?Rectangle(value?*?table.getWidth()?/?90,
????????????????(int)?viewRect.getY(),?10,?10);
????????rect.setLocation(rect.x?-?viewRect.x,?rect.y?-?viewRect.y);
????????viewport.scrollRectToVisible(rect);
????}
????public?void?scrollToTableV(JTable?table,?int?value)?{
????????if?(!(table.getParent()?instanceof?JViewport))?{
????????????return;
????????}
????????JViewport?viewport?=?(JViewport)?table.getParent();
????????Rectangle?viewRect?=?viewport.getViewRect();
????????Rectangle?rect?=?new?Rectangle((int)?viewRect.getX(),?value
????????????????*?table.getHeight()?/?90,?10,?10);
????????rect.setLocation(rect.x?-?viewRect.x,?rect.y?-?viewRect.y);
????????viewport.scrollRectToVisible(rect);
????}
}