JTable的排序和过滤

package com.yunshouhu.demo;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableRowSorter;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class JTableTester {
static String data[][] = {
{"China","Beijing","Chinese"},
{"America","Washington","English"},
{"Korea","Seoul","Korean"},
{"Japan","Tokyo","Japanese"},
{"France","Paris","French"},
{"England","London","English"},
{"Germany","Berlin","German"},
};
static String titles[] = {"Country","Capital","Language"};
public static void main(String[] args) {
DefaultTableModel model = new DefaultTableModel(data,titles);
JTable jTable = new JTable(model);
final TableRowSorter sorter = new TableRowSorter(model);
jTable.setRowSorter(sorter); //为JTable设置排序器

JScrollPane sPane = new JScrollPane();
sPane.setViewportView(jTable);

JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel,BoxLayout.X_AXIS));
JLabel label = new JLabel("Criteria:");
final JTextField jTextField = new JTextField();
JButton button = new JButton("Do Filter");
panel.add(label);
panel.add(jTextField);
panel.add(button);
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jTextField.getText().length()==0){
sorter.setRowFilter(null);
}else{
sorter.setRowFilter(RowFilter.regexFilter(jTextField.getText()));//为JTable设置基于正则表达式的过滤条件
}
}
});

JFrame f = new JFrame("JTable Sorting and Filtering");
f.getContentPane().add(sPane, BorderLayout.CENTER);
f.getContentPane().add(panel,BorderLayout.SOUTH);
f.setSize(400,300);
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}
//运行上面程序，单击JTable的某一个title，这个title对应的列就会按照升序/降序重新排列；在下面的Criteria文本框中输入"ese"，点击"Do Filter"按钮，JTable将只显示带有"ese"字符串的行，也就是China和Japan两行，如果文本框里面什么都没有，点击"Do Filter"按钮，这时JTable会显示所有的行。