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 // bin=new BufferedReader(fin); }catch(Exception ex){System.out.println("fin "+fin);} double del[]=new double[7]; double rate[]=new double[7]; double mon[]=new double[7]; 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;i
FileReader("data.txt");
//月还本金
for(int i=0;i if(mon[2] if(mon[6] [i]*0.01-del[i]); this.updateTable(ss); /* try{ FileWriter fout=new FileWriter("data.txt"); fout.write("0,105,555,1005,2755,5505,13505,\r\n"); fout.write("3,10,20,25,30,35,45,\r\n"); fout.close(); } catch(Exception ex){}*/
} public static void main(String args[]) { new shuilv(); }
}