java个人所得税代码

import java.awt.event.*;import java.io.*;import javax.swing.*;import javax.swing.table.DefaultTableModel;

public class shuilv extends JFrame implements ActionListener{ private JTextField text_money; private JButton button; private JTable table; Object datas[][]=new Object[0][4]; String titles[]={"收入总额(元)","适用税率(%)","速算扣除(元)","应纳利息(元)"}; String[]header=titles; String ss[]=new String[4]; JScrollPane js; DefaultTableModel model;private int i; public shuilv() { super("个人所得税计算"); this.setBounds(400,200,500,200); this.setResizable(false); this.setBackground(java.awt.Color.lightGray); this.setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel panel = new JPanel(); this.getContentPane().add(panel, "North"); panel.add(new JLabel("收入总额")); text_money = new JTextField("0",6); panel.add(text_money); panel.add(new JLabel("元 ")); button = new JButton("计算"); panel.add(button); button.addActionListener(this); table=new JTable(datas, titles); js=new JScrollPane(table); this.getContentPane().add(js); this.setVisible(true); }

public void updateTable(Object[] objTable) { model.addRow(objTable);//给model对象添加数据行 table.setModel(model);//把model作为JTable的数据来源 } public void actionPerformed(ActionEvent e) //单击事件处理方法 { model=new DefaultTableModel(header,0); double money=Double.parseDouble(""+text_money.getText()); //本金余额 FileReader fin=null; BufferedReader bin=null; try{ fin=new FileReader("data.txt"); // bin=new BufferedReader(fin); }catch(Exception ex){System.out.println("fin "+fin);} dou