14.63.1 表格排序 TableSortDemo

import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableModel; import javax.swing.table.TableRowSorter; public class JTableSortDemo { public static void main(String[] args) { //Object[][] data = {{"A",5},{"B",2},{"C",4},{"D",8}};//大写字母加数字 //Object[][] data = {{"A","5"},{"B","2"},{"C","4"},{"D","8"}};//大写字母加String //Object[][] data = {{"a","5"},{"b","2"},{"c","4"},{"d","8"}};//小写字母 Object[][] data = {{"你","5"},{"我","2"},{"他","4"},{"谁","8"}};//中文也可以排序 String columnNames[] = {"名称","数值"}; //TableModel model = new DefaultTableModel(data,columnNames); TableModel model = new DefaultTableModel(data,columnNames){ public Class<?> getColumnClass(int column) { return getValueAt(0, column).getClass(); } }; JTable table = new JTable(model); /** * 1.必须为 TableModel 的一个实现,所以我们把model一开始定义为TableModel * 2.它使用 TableModel 提供排序和过滤操作。 * 3.除了排序操作，TableRowSorter 还提供过滤操作。使用 setFilter 方法指定过滤器。 */ TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(model); table.setRowSorter(sorter); JScrollPane scrollPane = new JScrollPane(table); JFrame frame = new JFrame("表格排序"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(scrollPane); frame.setSize(300, 200); frame.setVisible(true); } }