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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;
public class TableExample extends JFrame implements ActionListener {
/**
*
*/
private static final long serialVersionUID = -6091279128857005144L;
private JScrollPane scrollPane;
private JPanel contentPane;
private JTable table;
private JPanel panel;
private JButton backgroundButton;
private JColorChooser jColorChooser;
// static Vector<Cell> Cellvector = new Vector<Cell>();
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
TableExample frame = new TableExample();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public TableExample() {
this.setTitle("JTable背景颜色设定练习");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 712, 541);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
scrollPane = new JScrollPane();
contentPane.add(scrollPane, BorderLayout.CENTER);
table = new JTable();
scrollPane.setViewportView(table);
String[] Column = { "第一列", "第二列", "第三列", "第四列" }; // 设定列名
DefaultTableModel TableModle = new DefaultTableModel();
TableModle.setColumnIdentifiers(Column);
TableModle.setRowCount(20);
for (int i = 0; i < 20; i++) { // 输入行值
for (int j = 0; j < 4; j++) {
TableModle.setValueAt("[" + i + "," + j + "]", i, j);
}
}
table.setModel(TableModle);
table.setRowSelectionInterval(0,0);
jColorChooser = new JColorChooser();
contentPane.add(jColorChooser, BorderLayout.SOUTH);
panel = new JPanel();
contentPane.add(panel, BorderLayout.NORTH);
backgroundButton = new JButton(
"\u8BBE\u7F6E\u5355\u5143\u683C\u80CC\u666F\u989C\u8272");
backgroundButton.addActionListener(this);
panel.add(backgroundButton);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == backgroundButton) {
int row = table.getSelectedRow(); // 得到所选行索引
int column = table.getSelectedColumn(); // 得到所选列索引
System.out.println("row:" + row + "col:" + column);
Color background = jColorChooser.getColor();// 得到所选颜色
if (row != -1) { // 判断是否存在单元格
table.setSelectionBackground(background);
}
}
}
}
试试这个。这个可以设置