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 Object04; String titles=收入总额(元),适用税率(%),速算扣除(元),应纳利息(元); Stringheader=titles; String ss=new String4; 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); double del=new double7; /月还本金 double rate=new double7; double mon=new double7; String dels=null; String rates=null; String mons=null; try dels=bin.readLine(); rates=bin.readLine(); mons=bin.readLine(); System.out.println(dels +dels.length(); bin.close(); fin.close(); catch(Exception ex) String aa=; int ii=0; for(int i=0;idels.length();i+) if(dels.charAt(i)!=,) aa+=dels.charAt(i); else delii=Double.parseDouble(aa); ii+; aa=; ii=0; aa=; for(int i=0;irates.length();i+) if(rates.charAt(i)!=,) aa+=rates.charAt(i); else rateii=Double.parseDouble(aa); ii+; aa=; ii=0; aa=; for(int i=0;imons.length();i+) if(mons.charAt(i)!=,) aa+=mons.charAt(i); else monii=Double.parseDouble(aa); ii+; aa=; for(int i=0;i7;i+) System.out.println(deli+ +ratei); ss0 = String.format(%9.2f,money); for(int j=0;j=5;j+) if(monj=money&money=monj+1) i=j; break; /找到就 可以退出循环了 /* if(mon0=money&money=mon1) i=0; if(mon1money&moneymon2) i=1; if(mon2money&moneymon3) i=2; if(mon3money&money=mon4) i=3; if(mon4money&money=mon5) i=4; if(mon5money&money=mon6) i=5; */ if(mon6money) i=6; ss1 = String.format(%9.2f,ratei); ss2 = String.format(%9.2f,deli); ss3 = String.format(%9.2f,money*ratei*0.01-deli); this.updateTable(ss); /* try FileWriter fout=new FileWriter(data.txt); fout.write(0,105,555,1005,2755