第4次作业类测试代码+087+饶慧敏

1.类图

2.主要界面

 

 

当输入为空，输入非数值型数据时，程序会弹出错误信息，并要求重新输入：

 

正常情况下的输出结果为：

3.代码如下

 

import java.util.Arrays;

public class Commission {
    
    //判断输入是否有效
    public boolean validate(String  num){
        if ("".equals(num)||num==null||!(num.matches("^[0-9]*$"))) {
            return false;
        }
        return true;
    }

    // 计算佣金
    public float commission(int headphone, int shell, int protector) {
        float commission = 0;// 佣金
        float headphoneSale = headphone * 80;
        float shellSale = shell * 10;
        float protectorSale = protector * 8;
        float totalSale = headphoneSale + shellSale + protectorSale;
        if (totalSale < 1000 && totalSale > 0) {
            commission = totalSale * 0.1f;

        } else if (totalSale <= 1800) {
            commission = totalSale * 0.15f;
        } else {
            commission = totalSale * 0.2f;

        }
        return commission;
    }

    // 销售额最高的配件
    public String mostSale(int headphone, int shell, int protector) {
        float headphoneSale = headphone * 80;
        float shellSale = shell * 10;
        float protectorSale = protector * 8;
        float max = Math.max(Math.max(headphoneSale, shellSale), protectorSale);
        System.out.println(max);
        if (max==shellSale&&max==headphoneSale&&max==protectorSale) {
            return "三种配件销售相同";
        }
        if (max==shellSale&&max==headphoneSale) {
            return "手机,手机壳";
        }
        if (max==headphoneSale&&max==protectorSale) {
            return "手机,手机膜";
        }
        if (max==shellSale&&max==protectorSale) {
            return "手机壳，手机膜";
        }
        if (max==headphoneSale) {
            return "手机";
        }
        if (max==shellSale) {
            return "手机壳";
        }
        if (max == protectorSale) {
            return "手机膜";
        }    
        return null;
        

    }
    
    //销售最多与最少的数量差
    public  int diffSale(int headphone, int shell, int protector){
         int arrays[] = {headphone,shell,protector};
         int result = 0;//结果
         Arrays.sort(arrays);
         System.out.println(arrays[2]);
         System.out.println(arrays[0]);
         result = arrays[2]-arrays[0];
         return result;
         
     }

}

import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;

public class CommissionPanel {
    JFrame jFrame = new JFrame("佣金计算程序");
    // 标签
    JLabel titleLab = new JLabel("手机配件佣金计算程序");
    JLabel inputLab = new JLabel("请输入销售的数量：");
    JLabel headphoneLab = new JLabel("手机：");
    JLabel shellLab = new JLabel("手机壳：");
    JLabel protectorLab = new JLabel("贴膜：");
    JLabel resultLab = new JLabel("应返还的佣金：");
    JLabel result2Lab = new JLabel("销售额最高的配件是：");
    JLabel result3Lab = new JLabel("销售配件最多与最少数量相差：");

    // 按钮
    JButton submit = new JButton("OK");
    JButton reset = new JButton("Cancel");

    // 文本框
    JTextField headphoneText = new JTextField();
    JTextField shellText = new JTextField();
    JTextField protectorText = new JTextField();
    JTextField resultText = new JTextField();
    JTextField result2Text = new JTextField();
    JTextField result3Text = new JTextField();

    public CommissionPanel(){
        //设置字体
        Font titleFont = new Font("宋体", Font.BOLD, 20);
        titleLab.setFont(titleFont);
        Font font = new Font("宋体", Font.BOLD, 16);
        headphoneLab.setFont(font);
        shellLab.setFont(font);
        protectorLab.setFont(font);
        resultLab.setFont(font);
        result2Lab.setFont(font);
        result3Lab.setFont(font);
        resultText.setFont(font);
        result2Text.setFont(font);
        result3Text.setFont(font);
        
        
        //设置按钮监听
        submit.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                if (e.getSource()==submit) {
                    String strheadphone = headphoneText.getText();
                    String strshell = shellText.getText();
                    String strprotector = protectorText.getText();
                    Commission commission = new Commission();
                    //当输入满足条件
                    if (commission.validate(strheadphone)&&commission.validate(strshell)&&commission.validate(strprotector)) {
                        //将字符型转变为整数型
                        int headphone = Integer.parseInt(strheadphone);
                        int shell = Integer.parseInt(strshell);
                        int protector = Integer.parseInt(strprotector);
                        //计算结果
                        float result = commission.commission(headphone, shell, protector);
                        String result2 = commission.mostSale(headphone, shell, protector);
                        int result3 = commission.diffSale(headphone, shell, protector);
                        //设置内容
                        resultText.setText(String.valueOf(result));
                        result2Text.setText(result2);
                        result3Text.setText(String.valueOf(result3));
                    }else{
                        JOptionPane.showMessageDialog(null, "输入有误，请重新输入！");
                        headphoneText.setText("");
                        shellText.setText("");
                        protectorText.setText("");
                    }
                    
                }
                
            }
        });
        
        reset.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                headphoneText.setText("");
                shellText.setText("");
                protectorText.setText("");
                resultText.setText("");
                result2Text.setText("");
                result3Text.setText("");
            }
        });
        
        //设置颜色
        resultText.setDisabledTextColor(Color.BLACK);
        result2Text.setDisabledTextColor(Color.BLACK);
        result3Text.setDisabledTextColor(Color.BLACK);
            
        //设置无法输入
        resultText.setEnabled(false);
        result2Text.setEnabled(false);
        result3Text.setEnabled(false);
        
        //设置组件的位置
        jFrame.setLayout(null);
        titleLab.setBounds(60,5,400,20);
        headphoneLab.setBounds(20,50,60,20);
        headphoneText.setBounds(65,50,50,20);
        shellLab.setBounds(120,50,100,20);
        shellText.setBounds(180,50,50,20);
        protectorLab.setBounds(250,50,60,20);
        protectorText.setBounds(295,50,50,20);
        submit.setBounds(80, 100, 100, 25);
        reset.setBounds(200, 100, 100, 25);
        resultLab.setBounds(20,150,120,25);
        resultText.setBounds(130,150,120,25);
        result2Lab.setBounds(20,200,180,25);
        result2Text.setBounds(180,200,180,25);
        result3Lab.setBounds(20,250,240,25);
        result3Text.setBounds(250,250,120,25);
        
        
        //添加组件
        jFrame.add(titleLab);
        jFrame.add(headphoneLab);
        jFrame.add(headphoneText);
        jFrame.add(shellLab);
        jFrame.add(shellText);
        jFrame.add(protectorLab);
        jFrame.add(protectorText);
        jFrame.add(submit);
        jFrame.add(reset);
        jFrame.add(resultLab);
        jFrame.add(resultText);
        jFrame.add(result2Lab);
        jFrame.add(result2Text);
        jFrame.add(result3Lab);
        jFrame.add(result3Text);
        
        //设置Frame
        jFrame.setLocation(100, 100);
        jFrame.setSize(400, 400);
        jFrame.setVisible(true);
        
        
    }
    
    
    
}

public class Main {

    public static void main(String args[]){
        CommissionPanel panel = new CommissionPanel();
    }
}