JAVA课程设计 计算器模拟程序 王华俊（201521123015）

1.团队课程设计博客链接

http://www.cnblogs.com/yuanj/p/7072137.html

2.个人负责模块或任务说明

GUI界面设计

各类之间拼接

3.自己的代码提交记录截图

4.自己负责模块或任务详细说明

编写计算器界面

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.text.DecimalFormat;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;  

public class Calculator {
    //计算器面板
private JFrame f = new JFrame("Calculator");
//输入面扳
private JPanel inputPanel = new JPanel();
//加减乘除面板
private JPanel operationPanel = new JPanel();
//数字面板
private JPanel buttonsPanel = new JPanel();
//输入数据文本框
private JTextField input = new JTextField(20);

//退格键
private JButton backspace = new JButton("←");
//清空
private JButton CE = new JButton("CE");
//删除
private JButton C = new JButton("C");
//取正负号
private JButton neg = new JButton("±");

//四则运算符号键
private JButton add = new JButton("+");
private JButton sub = new JButton("-");
private JButton mul = new JButton("*");
private JButton div = new JButton("/");

//小数点
private JButton decimal = new JButton(".");
//等号
private JButton equal = new JButton("=");

//数字键
private JButton zero = new JButton("0");
private JButton one = new JButton("1");
private JButton two = new JButton("2");
private JButton three = new JButton("3");
private JButton four = new JButton("4");
private JButton five = new JButton("5");
private JButton six = new JButton("6");
private JButton seven = new JButton("7");
private JButton eight = new JButton("8");
private JButton nine = new JButton("9");

private String num1 = "";//保存第一个运算数字
private String operator = "";//保存运算符号


public static void main(String[] args) {
    new Calculator();//new计算器实例
}

public Calculator(){
     //添加组件，布局
    inputPanel.add(input);
    f.add(inputPanel, BorderLayout.NORTH);
    
    operationPanel.add(backspace);
    operationPanel.add(CE);
    operationPanel.add(C);
    operationPanel.add(neg);
    operationPanel.setLayout(new GridLayout(1,4,3,3));
    f.add(operationPanel, BorderLayout.CENTER);

    buttonsPanel.add(seven);
    buttonsPanel.add(eight);
    buttonsPanel.add(nine);
    buttonsPanel.add(div);
    buttonsPanel.add(four);
    buttonsPanel.add(five);
    buttonsPanel.add(six);
    buttonsPanel.add(mul);
    buttonsPanel.add(one);
    buttonsPanel.add(two);
    buttonsPanel.add(three);
    buttonsPanel.add(sub);
    buttonsPanel.add(zero);
    buttonsPanel.add(decimal);
    buttonsPanel.add(equal);
    buttonsPanel.add(add);
    buttonsPanel.setLayout(new GridLayout(4,4,3,3));
    f.add(buttonsPanel, BorderLayout.SOUTH);
    
    f.setTitle("计算器");  
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//默认关闭操作
    f.setResizable(false);//窗体大小不可改变
    f.pack();
    f.setVisible(true);//设置窗口可见
    f.setLocationRelativeTo(null);//居中显示
    
    //注册各个组件监听事件
    backspace.addMouseListener(new OperationMouseListener());
    CE.addMouseListener(new OperationMouseListener());
    C.addMouseListener(new OperationMouseListener());
    decimal.addMouseListener(new OperationMouseListener());
    equal.addMouseListener(new OperationMouseListener());
    neg.addMouseListener(new OperationMouseListener());
    
    //注册四则运算鼠标监听
    add.addMouseListener(new CalcMouseListener());
    sub.addMouseListener(new CalcMouseListener());
    mul.addMouseListener(new CalcMouseListener());
    div.addMouseListener(new CalcMouseListener());
    
    //注册数字监听事件
    zero.addMouseListener(new NumberMouseListener());
    one.addMouseListener(new NumberMouseListener());
    two.addMouseListener(new NumberMouseListener());
    three.addMouseListener(new NumberMouseListener());
    four.addMouseListener(new NumberMouseListener());
    five.addMouseListener(new NumberMouseListener());
    six.addMouseListener(new NumberMouseListener());
    seven.addMouseListener(new NumberMouseListener());
    eight.addMouseListener(new NumberMouseListener());
    nine.addMouseListener(new NumberMouseListener());
            
}

5.课程设计感想

1.很多东西都是通过百度和求助别人获得和进行修改，很多功能还有待完善
2.课设让组员一起参与，大家需要一起讨论和研究，增加了学习氛围，也凝聚团队力量
3进行课程设计，有助于我们更好的运用所学的知识，将理论与实践相结合。