java仿windows计算器源代码

import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.text.DecimalFormat; import javax.swing.ButtonGroup; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JTextField; public class Calculator06 extends WindowAdapter implements ActionListener { JFrame f; JMenuBar m = new JMenuBar(); // 菜单条 JMenu check = new JMenu("模式"); // 菜单1 JMenu help = new JMenu("帮助"); // 菜单2 JMenuItem check1 = new JMenuItem("&标准型"); // 菜单1的菜单项 JMenuItem check2 = new JMenuItem("科学型"); // 菜单1的菜单项 JMenuItem help1 = new JMenuItem("关于作者"); // 菜单2的菜单项 JMenuItem help2 = new JMenuItem("关于计算器"); // 菜单2的菜单项 JTextField text; JRadioButton two,eight,ten,sixteen; JButton[] b=new JButton[16]; JButton bPlus,bMinus,bMulti,bDiv,bX2,bX3,bDot,bNegative,bEqual; JButton bSin,bCos,bLog,bLn,bFactorial,bSqrt,bReciprocal; JButton bBackspace,bClean; JPanel p1,p2,p3,p4,p5,p6; double dResult=0; double dNowInput=0; double now=10; //当前进制数 double Num; //记录数字按键对应数值 int i,n=0; //记录小数位数 int[] aa=new int[100]; //记录小数对应数的值 int[] bb=new int[100]; int nOperation=1; // 记录运算符类型 boolean alreadyHaveDot=false; //是否有小数点 boolean alreadyClickedEqueal=false; //是否按下等于号 boolean isTempNowInput=false; //是否在计算出结果后直 boolean ntwo=false,neight=false,nten=true,nsixteen=false;//记录当前为何种进制 String snum; //数字对应的字符 DecimalFormat geshi=new DecimalFormat("###,###.#########");//格式化double型 public void calculator() { f=new JFrame("计算器"); f.setSize(420,320); f.setLocation(200,200); f.setBackground(Color.LIGHT_GRAY); f.setResizable(false); f.setLayout(new FlowLayout()); check.add(check1); check.add(check2); help.add(help1); help.add(help2); m.add(check); m.add(help); f.setJMenuBar(m); check1.addActionListener(this); check2.addActionListener(this); help1.addActionListener(this); help2.addActionListener(this); p1=new JPanel(new FlowLayout()); //放置文本区 p2=new JPanel(new GridLayout(2,3,45,0)); //放置二，十，八，十六进制及Backspace,Clean p3=new JPanel(new GridLayout(1,7,3,1)); //存放函数sin,cos,log,ln,n!,√,1/x p4=new JPanel(new BorderLayout(5,5)); //放置p5，p6 p5=new JPanel(new GridLayout(4,6,5,5)); //放数字键及"±",".","x^2","x^3" p6=new JPanel(new GridLayout(1,1,5,5)); //放置等于号 text=new JTextField(35); //存放显示区 text.setText("0"); text.setHorizontalAlignment(JTextField.RIGHT); text.setEditable(false); p1.add(text); two=new JRadioButton("二进制"); eight=new JRadioButton("八进制"); ten=new JRadioButton("十进制",true); sixteen=new JRadioButton("十六进制"); two.addActionListener(this); eight.addActionListener(this); ten.addActionListener(this); sixteen.addActionListener(this); ButtonGroup btg=new ButtonGroup(); btg.add(two); btg.add(eight); btg.add(ten); btg.add(sixteen); bBackspace=new JButton("Backspace"); bBackspace.setForeground(new Color(255,0,0)); bClean=new JButton("Clean"); bClean.setForeground(new Color(255,0,0)); bBackspace.addActionListener(this); bClean.addActionListener(this); p2.add(two); p2.add(eight); p2.add(sixteen); p2.add(ten); p2.add(bBackspace); p2.add(bClean); bSin=new JButton("sin"); bSin.setForeground(new Color(255,0,0)); bCos=new JButton("cos"); bCos.setForeground(new Color(255,0,0)); bLog=new JButton("log"); bLog.setForeground(new Color(255,0,0)); bLn=new JButton("ln"); bLn.setForeground(new Color(255,0,0)); bFactorial=new JButton("n!"); bFactorial.setForeground(new Color(255,0,0)); bSqrt=new JButton("√"); bSqrt.setForeground(new Color(255,0,0)); bReciprocal=new JButton("1/x"); bReciprocal.setForeground(new Color(255,0,0)); bSin.addActionListener(this); bCos.addActionListener(this); bLog.addActionListener(this); bLn.addActionListener(this); bFactorial.addActionListener(this); bSqrt.addActionListener(this); bReciprocal.addActionListener(this); p3.add(bSin); p3.add(bCos); p3.add(bLog); p3.add(bLn); p3.add(bFactorial); p3.add(bSqrt); p3.add(bReciprocal); for (i=0;i<16;i++){ b[i]=new JButton(Integer.toHexString(i)); b[i].setForeground(new Color(0,0,255)); b[i].addActionListener(this); } bNegative=new JButton("±"); bNegative.setForeground(new Color(0,0,255)); bDot=new JButton("."); bDot.setForeground(new Color(0,0,255)); bX2=new JButton("x^2"); bX2.setForeground(new Color(0,0,255)); bX3=new JButton("x^3"); bX3.setForeground(new Color(0,0,255)); bPlus=new JButton("+"); bPlus.setForeground(new Color(255,0,0)); bMinus=new JButton("-"); bMinus.setForeground(new Color(255,0,0)); bMulti=new JButton("*"); bMulti.setForeground(new Color(255,0,0)); bDiv=new JButton("/"); bDiv.setForeground(new Color(255,0,0)); bEqual=new JButton("="); bEqual.setForeground(new Color(255,0,0)); bPlus.addActionListener(this); bMinus.addActionListener(this); bMulti.addActionListener(this); bDiv.addActionListener(this); bDot.addActionListener(this); bNegative.addActionListener(this); bEqual.addActionListener(this); bX2.addActionListener(this); bX3.addActionListener(this); p5.add(b[7]);p5.add(b[8]);p5.add(b[9]);p5.add(b[10]);p5.add(b[11]);p5.add(bPlus); p5.add(b[4]);p5.add(b[5]);p5.add(b[6]);p5.add(b[12]);p5.add(b[13]);p5.add(bMinus); p5.add(b[1]);p5.add(b[2]);p5.add(b[3]);p5.add(b[14]);p5.add(b[15]);p5.add(bMulti); p5.add(b[0]);p5.add(bNegative);p5.add(bDot);p5.add(bX2);p5.add(bX3);p5.add(bDiv); p6.add(bEqual); p4.add(p5,BorderLayout.CENTER); p4.add(p6,BorderLayout.EAST); bSin.setVisible(false); bCos.setVisible(false); bLog.setVisible(false); bLn.setVisible(false); bFactorial.setVisible(false); bSqrt.setVisible(false); bReciprocal.setVisible(false); for (i=10;i<16;i++) b[i].setEnabled(false); f.add(p1); f.add(p2); f.add(p3); f.add(p4); f.setVisible(true); f.addWindowListener(this); } public void actionPerformed(ActionEvent e) { Object temp = e.getSource(); if (temp==help1){ JOptionPane.showMessageDialog( f,"班级：***\n" + "姓名：***\n" +"学号：***","作者",-1); } if (temp==help2){ JOptionPane.showMessageDialog( f,"Calculator06","计算器",1); } //标准型的界面 if (temp==check1){ ten.setSelected(true); check1.setText("&标准型"); check2.setText("科学型"); bSin.setVisible(false); bCos.setVisible(false); bLog.setVisible(false); bLn.setVisible(false); bFactorial.setVisible(false); bSqrt.setVisible(false); bReciprocal.setVisible(false); for (i=10;i<16;i++) b[i].setEnabled(false); two.setVisible