jtable表头提示文本--通过重写表格头TableHeader的渲染器来实现

/*
  * jtable表头提示文本--通过重写表格头TableHeader的渲染器来实现
  * 外部表格得到表格头来设置渲染器table.getTableHeader().setDefaultRenderer(new TableHeaderRender());
  */
 private class TableHeaderRender extends DefaultTableCellRenderer{
  private JLabel lbl=new JLabel();
  @Override
  public Component getTableCellRendererComponent(JTable table,
    Object value, boolean isSelected, boolean hasFocus, int row, int column) {
   lbl.setText(value.toString());
   lbl.setToolTipText(value.toString());
   lbl.setBorder(BorderFactory.createEtchedBorder());
   return lbl;
  }  
 }