private void copyToClipboardWithHead() {
		StringBuffer sb = new StringBuffer();
		int[] rows = getSelectedRows();
		int[] columns = getSelectedColumns();
		//复制标题
		for(int i = 0; i < columns.length; i++) {
			String columnName = getColumnName(columns[i]);
			sb.append(columnName);
			if (i < columns.length - 1){
				sb.append("\t");
			}
		}
		sb.append("\n");
		//复制内容
		for (int i = 0; i < rows.length; i++) {
			for (int j = 0; j < columns.length; j++) {
				sb.append(getValueAt(rows[i], columns[j]));
				if (j < columns.length - 1){
					sb.append("\t");
				}
			}
			sb.append("\n");
		}
		StringSelection selection = new StringSelection(sb.toString());
		Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
	}