java 计算器 布局与功能相似于计算机系统内置计算机

package three; import java.awt.BorderLayout; import java.awt.Button; import java.awt.Checkbox; import java.awt.CheckboxGroup; import java.awt.Color; import java.awt.Component; import java.awt.FlowLayout; import java.awt.Font; import java.awt.Frame; import java.awt.GridLayout; import java.awt.Label; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.Panel; import java.awt.TextField; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.Stack; @SuppressWarnings("serial") public class Calculate extends Frame { protected static TextField result; protected static Stack<String> operation = new Stack<String>(); protected static Stack<Double> number = new Stack<Double>(); protected static boolean inputing = false;//用于标志TextField文本是否第一次无间断地输入 protected static boolean isinputoperation=false;//刚输入的是操作还是数据 protected static boolean isExp=false;//刚输入的是否指数操作 protected static boolean ispower=false;//将要输入的是否指数幂 protected static CheckboxGroup dataFormat; protected static CheckboxGroup degree; protected static String lastOperate="";//存储最后一个操作用于连续按=号的操作 protected static double lastData=0;//存储最后一个操作数用于连续按=号的操作数 protected static boolean lastIsEql=false;//用于判断上一个操作是否‘=’ protected static Checkbox hex; protected static Checkbox dec; protected static Checkbox oct; protected static Checkbox bin; protected static String formerSelectItem=null; protected static Checkbox angle; protected static Checkbox radian; protected static Checkbox gradient; public Calculate() { setBounds(300, 200, 540, 320); setResizable(false); setVisible(true); setFocusable(true); setBackground(new Color(236, 233, 216)); addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { setVisible(false); System.exit(-1); } }); addCompontent(); createMenu(); } public static void init(){ inputing = false; isinputoperation=false; isExp=false; ispower=false; operation.clear(); number.clear(); } private void addCompontent() { result = new TextField("0", 35); result.addKeyListener(new MyKeyAdapter()); result.setEditable(false); result.setBackground(new Color(255,255,255)); addKeyListener(new MyKeyAdapter()); add(result, BorderLayout.NORTH); Panel p1 = new Panel(); Panel p2 = new Panel(); Panel p3 = new Panel(); Panel p4 = new Panel(); Panel p5 = new Panel(); p1.setLayout(new BorderLayout()); p2.setLayout(new GridLayout(1, 10)); p3.setLayout(new BorderLayout()); p4.setLayout(new FlowLayout(FlowLayout.LEFT)); p5.setLayout(new GridLayout(5, 12,6,3)); dataFormat = new CheckboxGroup(); hex = new Checkbox("十六进制", dataFormat, false); dec = new Checkbox("十进制", dataFormat, true); oct = new Checkbox("八进制", dataFormat, false); bin = new Checkbox("二进制", dataFormat, false); hex.addItemListener(new CheckboxActionListener()); dec.addItemListener(new CheckboxActionListener()); oct.addItemListener(new CheckboxActionListener()); bin.addItemListener(new CheckboxActionListener()); formerSelectItem=dataFormat.getSelectedCheckbox().getLabel(); p2.add(hex); p2.add(dec); p2.add(oct); p2.add(bin); degree = new CheckboxGroup(); angle = new Checkbox("角度", degree, true); radian = new Checkbox("弧度", degree, false); gradient = new Checkbox("梯度", degree, false); gradient.setEnabled(false); p2.add(angle); p2.add(radian); p2.add(gradient); angle.addItemListener(new CheckboxActionListener()); radian.addItemListener(new CheckboxActionListener()); gradient.addItemListener(new CheckboxActionListener()); p4.add(new Checkbox("Inv", null, false)); p4.add(new Checkbox("Hyp", null, false)); p4.add(new Label("\t")); TextField M=new TextField(); M.setEditable(false); p4.add(M); TextField Mdata=new TextField(""); Mdata.setVisible(false); p4.add(new Label("\t")); p4.add(Mdata); p4.add(new Label("\t")); Button b1 = new Button("Backspace"); b1.setForeground(new Color(255,0,0)); b1.addActionListener(new OtherActionListener()); b1.setBackground(new Color(243, 243, 238)); p4.add(b1); Button b2 = new Button("CE"); b2.setForeground(new Color(255,0,0)); b2.setBackground(new Color(243, 243, 238)); b2.addActionListener(new OtherActionListener()); p4.add(b2); Button b3 = new Button("C"); b3.setForeground(new Color(255,0,0)); b3.addActionListener(new OtherActionListener()); b3.setBackground(new Color(243, 243, 238)); p4.add(b3); Button b4 = new Button("Sta"); b4.setForeground(new Color(0,0,255)); b4.setBackground(new Color(243, 243, 238)); b4.setEnabled(false); p5.add(b4); Button b5 = new Button("F-E"); b5.setForeground(new Color(255,0,255)); b5.setEnabled(false); b5.setBackground(new Color(243, 243, 238)); p5.add(b5); Button b6 = new Button("("); b6.setForeground(new Color(255,0,255)); b6.addActionListener(new OperateActionListener()); b6.setBackground(new Color(243, 243, 238)); p5.add(b6); Button b7 = new Button(")"); b7.setForeground(new Color(255,0,255)); b7.addActionListener(new OperateActionListener()); b7.setBackground(new Color(243, 243, 238)); p5.add(b7); Button b8 = new Button("MC"); b8.setForeground(new Color(255,0,0)); b8.addActionListener(new RegisterActionListener(result,M,Mdata)); b8.setBackground(new Color(243, 243, 238)); p5.add(b8); p5.add(new Label("")); Button b9 = new Button("7"); b9.setForeground(new Color(0,0,255)); b9.addActionListener(new NumberActionListener()); b9.setBackground(new Color(243, 243, 238)); p5.add(b9); Button b10 = new Button("8"); b10.setForeground(new Color(0,0,255)); b10.addActionListener(new NumberActionListener()); b10.setBackground(new Color(243, 243, 238)); p5.add(b10); Button b11 = new Button("9"); b11.setForeground(new Color(0,0,255)); b11.addActionListener(new NumberActionListener()); b11.setBackground(new Color(243, 243, 238)); p5.add(b11); Button b12 = new Button("/"); b12.setForeground(new Color(255,0,0)); b12.addActionListener(new OperateActionListener()); b12.setBackground(new Color(243, 243, 238)); p5.add(b12); Button b13 = new Button("Mod"); b13.setForeground(new Color(255,0,0)); b13.addActionListener(new OperateActionListener()); b13.setBackground(new Color(243, 243, 238)); p5.add(b13); Button b14 = new Button("And"); b14.setForeground(new Color(255,0,0)); b14.setEnabled(false); b14.setBackground(new Color(243, 243, 238)); p5.add(b14); Button b15 = new Button("Ave"); b15.setBackground(new Color(243, 243, 238)); b15.setEnabled(false); p5.add(b15); Button b16 = new Button("e"); b16.setForeground(new Color(255,0,255)); b16.addActionListener(new NumberActionListener()); b16.setBackground(new Color(243, 243, 238)); p5.add(b16); Button b17 = new Button("Exp"); b17.setForeground(new Color(255,0,255)); b17.addActionListener(new OperateActionListener()); b17.setBackground(new Color(243, 243, 238)); p5.add(b17); Button b18 = new Button("ln"); b18.setForeground(new Color(255,0,255)); b18.addActionListener(new OperateActionListener()); b18.setBackground(new Color(243, 243, 238)); p5.add(b18); Button b19 = new Button("MR"); b19.setForeground(new Color(255,0,0)); b19.addActionListener(new RegisterActionListener(result,M,Mdata)); b19.setBackground(new Color(243, 243, 238)); p5.add(b19); p5.add(new Label("")); Button b20 = new Button("4"); b20.setForeground(new Color(0,0,255)); b20.addActionListener(new NumberActionListener()); b20.setBackground(new Color(243, 243, 238)); p5.add(b20); Button b21 = new Button("5");