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分享import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
public class MyJTable extends JTable {
private MyCellRenderer renderer;
public MyJTable(MyCellRenderer renderer) {
super(8, 6);
this.renderer = renderer;
}
public TableCellRenderer getCellRenderer(int row, int column) {
return renderer;
}
public static void main(String[] args) {
MyJTable t = new MyJTable(new MyCellRenderer());
JScrollPane pane1 = new JScrollPane(t);//
JFrame frame = new JFrame("JTableDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane(pane1);
frame.pack();
frame.setVisible(true);
}
}
class MyCellRenderer extends DefaultTableCellRenderer {
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row,
int column) {
super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
setHorizontalAlignment(SwingConstants.CENTER);
return this;
}
}public class MyTableRenderer extends JLabel implements TableCellRenderer{
public Component getTableCellRendererComponent(
JTable table,Object value,boolean isSelected,
boolean hasFocus,int row,int col){
setHorizontalAlignment(SwingConstants.CENTER);//居中
}
}
...
table.setDefaultRenderer(String.class,new MyTableRenderer());