package com.Menu;
import java.awt.EventQueue;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.SwingConstants;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Font;
import java.util.Stack;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import com.service.CalculatorImpl;
import javax.swing.UIManager;
import javax.swing.JMenuBar;
import java.awt.SystemColor;
import java.awt.Color;
import java.awt.Toolkit;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
/**
* 有JFrame工具创建的swing界面
*
* */
public class Main {
private JFrame frame;
private JTextField display;
private JPanel panel;
private JButton clear;
private JButton divide;
private JButton multiple;
private JButton delete;
private JButton btnMc;
private JButton num7;
private JButton num8;
private JButton num9;
private JButton reduce;
private JButton btnM;
private JButton num1;
private JButton num2;
private JButton num3;
private JButton equal;
private JButton point;
private JButton num0;
private JButton num4;
private JButton num5;
private JButton num6;
private JButton add;
private JButton btnM_2;
private JButton btnMr;
private JMenuBar menuBar;
private JMenu mnNewMenu;
private JMenuItem mntmNewMenuItem;
private JMenu mnNewMenu_1;
private JMenuItem menuItem;
private JMenuItem menuItem_1;
private JTextField operate;
private boolean flag = false;
/**
* Launch the application.
*
*
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Main window = new Main();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public Main() {
initialize();
}
/**
* 初始化框架及组件，并添加监听事件
*/
private void initialize() {
frame = new JFrame();
frame.setIconImage(Toolkit.getDefaultToolkit().getImage("E:\\myeclipse\\workspace\\mychat\\calculator\\img\\ms.ico"));
frame.getContentPane().setBackground(UIManager.getColor("Button.darkShadow"));
frame.setTitle("\u8BA1\u7B97\u5668");
frame.setBounds(100, 100, 794, 1000);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
display = new JTextField();
display.setText("0");
display.setAlignmentX(800);
display.setFont(new Font("宋体", Font.PLAIN, 24));
display.setEditable(false);
display.setBounds(15, 94, 748, 91);
frame.getContentPane().add(display);
display.setColumns(2);
panel = new JPanel();
panel.setBounds(15, 222, 748, 604);
frame.getContentPane().add(panel);
panel.setLayout(null);
clear = new JButton("C");
clear.setFont(new Font("宋体", Font.PLAIN, 24));
clear.setBackground(SystemColor.activeCaptionBorder);
clear.setForeground(SystemColor.window);
clear.setBounds(15, 15, 237, 100);
panel.add(clear);
divide = new JButton("/");
divide.setFont(new Font("宋体", Font.PLAIN, 24));
divide.setForeground(SystemColor.window);
divide.setBackground(SystemColor.activeCaptionBorder);
divide.setBounds(456, 265, 100, 100);
panel.add(divide);
multiple = new JButton("X");
multiple.setFont(new Font("宋体", Font.PLAIN, 24));
multiple.setForeground(SystemColor.window);
multiple.setBackground(SystemColor.activeCaptionBorder);
multiple.setBounds(456, 495, 100, 100);
panel.add(multiple);
delete = new JButton("\u5220\u9664");
delete.setFont(new Font("宋体", Font.PLAIN, 24));
delete.setForeground(SystemColor.window);
delete.setBackground(SystemColor.activeCaptionBorder);
delete.setBounds(604, 15, 100, 100);
panel.add(delete);
btnMc = new JButton("MC");
btnMc.setFont(new Font("宋体", Font.PLAIN, 24));
btnMc.setBackground(SystemColor.activeCaptionBorder);
btnMc.setForeground(SystemColor.window);
btnMc.setBounds(604, 145, 100, 100);
panel.add(btnMc);
num7 = new JButton("7");
num7.setFont(new Font("宋体", Font.PLAIN, 24));
num7.setForeground(SystemColor.window);
num7.setBackground(SystemColor.activeCaptionBorder);
num7.setBounds(15, 145, 100, 100);
panel.add(num7);
num8 = new JButton("8");
num8.setFont(new Font("宋体", Font.PLAIN, 24));
num8.setForeground(SystemColor.window);
num8.setBackground(SystemColor.activeCaptionBorder);
num8.setBounds(152, 145, 100, 100);
panel.add(num8);
num9 = new JButton("9");
num9.setFont(new Font("宋体", Font.PLAIN, 24));
num9.setForeground(SystemColor.window);
num9.setBackground(SystemColor.activeCaptionBorder);
num9.setBounds(302, 145, 100, 100);
panel.add(num9);
reduce = new JButton("-");
reduce.setFont(new Font("宋体", Font.PLAIN, 24));
reduce.setForeground(SystemColor.window);
reduce.setBackground(SystemColor.activeCaptionBorder);
reduce.setBounds(456, 145, 100, 100);
panel.add(reduce);
btnM = new JButton("M+");
btnM.setFont(new Font("宋体", Font.PLAIN, 24));
btnM.setBackground(SystemColor.activeCaptionBorder);
btnM.setForeground(SystemColor.window);
btnM.setBounds(604, 265, 100, 100);
panel.add(btnM);
num1 = new JButton("1");
num1.setFont(new Font("宋体", Font.PLAIN, 24));
num1.setBackground(SystemColor.activeCaptionBorder);
num1.setForeground(SystemColor.window);
num1.setBounds(15, 380, 100, 100);
panel.add(num1);
num2 = new JButton("2");
num2.setFont(new Font("宋体", Font.PLAIN, 24));
num2.setForeground(SystemColor.window);
num2.setBackground(SystemColor.activeCaptionBorder);
num2.setBounds(152, 380, 100, 100);
panel.add(num2);
num3 = new JButton("3");
num3.setFont(new Font("宋体", Font.PLAIN, 24));
num3.setBackground(SystemColor.activeCaptionBorder);
num3.setForeground(SystemColor.window);
num3.setBounds(302, 380, 100, 100);
panel.add(num3);
equal = new JButton("=");
equal.setFont(new Font("宋体", Font.PLAIN, 24));
equal.setForeground(SystemColor.window);
equal.setBackground(SystemColor.activeCaptionBorder);
equal.setBounds(604, 380, 100, 215);
panel.add(equal);
point = new JButton(".");
point.setFont(new Font("宋体", Font.PLAIN, 24));
point.setBackground(SystemColor.activeCaptionBorder);
point.setForeground(SystemColor.window);
point.setBounds(302, 495, 100, 100);
panel.add(point);
num0 = new JButton("0");
num0.setFont(new Font("宋体", Font.PLAIN, 24));
num0.setForeground(SystemColor.window);
num0.setBackground(SystemColor.activeCaptionBorder);
num0.setBounds(15, 495, 238, 100);
panel.add(num0);
num4 = new JButton("4");
num4.setFont(new Font("宋体", Font.PLAIN, 24));
num4.setForeground(SystemColor.window);
num4.setBackground(SystemColor.activeCaptionBorder);
num4.setBounds(15, 265, 100, 100);
panel.add(num4);
num5 = new JButton("5");
num5.setFont(new Font("宋体", Font.PLAIN, 24));
num5.setForeground(SystemColor.window);
num5.setBackground(SystemColor.activeCaptionBorder);
num5.setBounds(152, 265, 100, 100);
panel.add(num5);
num6 = new JButton("6");
num6.setFont(new Font("宋体", Font.PLAIN, 24));
num6.setForeground(SystemColor.window);
num6.setBackground(SystemColor.activeCaptionBorder);
num6.setBounds(302, 265, 100, 100);
panel.add(num6);
add = new JButton("+");
add.setFont(new Font("宋体", Font.PLAIN, 24));
add.setForeground(SystemColor.window);
add.setBackground(SystemColor.activeCaptionBorder);
add.setBounds(456, 380, 100, 100);
panel.add(add);
btnM_2 = new JButton("M-");
btnM_2.setFont(new Font("宋体", Font.PLAIN, 24));
btnM_2.setForeground(SystemColor.window);
btnM_2.setBackground(SystemColor.activeCaptionBorder);
btnM_2.setBounds(456, 19, 100, 93);
panel.add(btnM_2);
btnMr = new JButton("MR");
btnMr.setFont(new Font("宋体", Font.PLAIN, 24));
btnMr.setForeground(SystemColor.window);
btnMr.setBackground(SystemColor.activeCaptionBorder);
btnMr.setBounds(302, 15, 100, 100);
panel.add(btnMr);
//添加监听器
btnMr.addActionListener(new ForFun());
btnM_2.addActionListener(new ForFun());
btnMc.addActionListener(new ForFun());
btnM.addActionListener(new ForFun());
clear.addActionListener(new ClearListener());
num0.addActionListener(new ButtonListener(display,num0));
num1.addActionListener(new ButtonListener(display,num1));
num2.addActionListener(new ButtonListener(display,num2));
num3.addActionListener(new ButtonListener(display,num3));
num4.addActionListener(new ButtonListener(display,num4));
num5.addActionListener(new ButtonListener(display,num5));
num6.addActionListener(new ButtonListener(display,num6));
num7.addActionListener(new ButtonListener(display,num7));
num8.addActionListener(new ButtonListener(display,num8));
num9.addActionListener(new ButtonListener(display,num9));
add.addActionListener(new CalculatorListener(display,add));
reduce.addActionListener(new CalculatorListener(display,reduce));
multiple.addActionListener(new CalculatorListener(display,multiple));
divide.addActionListener(new CalculatorListener(display,divide));
point.addActionListener(new CalculatorListener(display,point));
delete.addActionListener(new DeleteListener());
equal.addActionListener(new ArithmeticListener());
//设置右对齐
display.setHorizontalAlignment(SwingConstants.RIGHT);
operate = new JTextField();
operate.setForeground(Color.BLACK);
operate.setHorizontalAlignment(SwingConstants.RIGHT);
operate.setFont(new Font("宋体", Font.PLAIN, 24));
operate.setEditable(false);
operate.setBounds(15, 27, 748, 68);
frame.getContentPane().add(operate);
operate.setColumns(10);
JLabel label = new JLabel("");
label.setHorizontalAlignment(SwingConstants.CENTER);
label.setIcon(new ImageIcon("E:\\myeclipse\\workspace\\mychat\\calculator\\img\\wait.gif"));
label.setBounds(232, 831, 322, 83);
frame.getContentPane().add(label);
frame.setLocationRelativeTo(null);
frame.setResizable(false);//不允许用户改变界面大小
menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
mnNewMenu = new JMenu("\u9009\u62E9");
menuBar.add(mnNewMenu);
mntmNewMenuItem = new JMenuItem("\u79D1\u5B66\u8BA1\u7B97\u5668");
mntmNewMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
frame.dispose();
frame.setVisible(false);
JOptionPane.showMessageDialog(null, "待跟进");
}
});
mnNewMenu.add(mntmNewMenuItem);
menuItem_1 = new JMenuItem("\u5173\u95ED");
menuItem_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
mnNewMenu.add(menuItem_1);
mnNewMenu_1 = new JMenu("\u5173\u4E8E");
menuBar.add(mnNewMenu_1);
menuItem = new JMenuItem("\u5E2E\u52A9");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, "涂伟俊,17年,深圳,忘记了");
}
});
mnNewMenu_1.add(menuItem);
}
/*调戏罢了*/
private class ForFun implements ActionListener{
@Override
public void actionPerformed(ActionEvent e) {
display.setText("哇，这个按键都被你发现了，厉害了！(╯▽╰)(╯▽╰)(╯▽╰)");
equal.setEnabled(false);
clear.setBackground(Color.RED);
}
}
/*监听运算符包括点*/
private class CalculatorListener implements ActionListener{
JTextField display;
JButton str;
CalculatorListener(JTextField display, JButton str){
this.display = display;
this.str = str;
}
public void actionPerformed(ActionEvent e) {
StringBuffer s = new StringBuffer(display.getText());
if(flag){
display.setText("0");
flag = false;
} else if(!(s.length()==0)){
if(!((display.getText().endsWith("+"))||(display.getText().endsWith("-"))||(display.getText().endsWith("X"))||(display.getText().endsWith("/")))){
//当为无穷和非数字型，清空
if(display.getText().indexOf("Infinity")!=-1||display.getText().indexOf("NaN")!=-1){
display.setText("0");
//判断前面的数是不是小数，以决定要不要在它后面加小数点
}else if(str.getText() == "." && Character.isDigit(s.charAt(s.length()-1)) ){
int lastIndex = -1;
Stack<String> stack = new Stack<String>();
for(int i = 0; i<s.length(); i++){
lastIndex = new CalculatorImpl().readDouble(display.getText(), i);
stack.push(display.getText().substring(i,lastIndex));
i = lastIndex;
}
String last = stack.pop();
if(last.indexOf(".") == -1){
s.append(str.getText());
display.setText(s.toString());
}
//普通情况
}else if(!display.getText().endsWith(".")){
s.append(str.getText());
display.setText(s.toString());
}
//当前面是符号时，自动填零
}else if(str.getText()=="." &&(s.charAt(s.length()-1) =='+'||
s.charAt(s.length()-1) =='-'||s.charAt(s.length()-1) =='X'||s.charAt(s.length()-1) =='/') ){
s.append("0.");
display.setText(s.toString());
}
//为空时，按点填零
}else if(s.length() == 0 && str.getText() == "."){
s.append("0.");
display.setText(s.toString());
}
}
}
//监听按钮点击事件
private class ButtonListener implements ActionListener{
JTextField display;
JButton str;
ButtonListener(JTextField display, JButton str){
this.display = display;
this.str = str;
}
public void actionPerformed(ActionEvent e) {
System.out.println(display.getText());
StringBuffer s = new StringBuffer(display.getText());
if(flag ){
display.setText(str.getText());
System.out.println("!!");
flag = false;
}else if(display.getText().indexOf("Infinity")!=-1||display.getText().indexOf("NaN")!=-1){
System.out.println("!1!");
}else if("0".equals(display.getText())){
display.setText(str.getText());
}else{
display.setText(s+str.getText());
}
}
}
//监听清空事件
private class ClearListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
System.out.println(display.getText());
if(!"".equals(display.getText()))
operate.setText("");
display.setText("0");
clear.setBackground(SystemColor.activeCaptionBorder);
equal.setEnabled(true);
}
}
//监听删除事件
private class DeleteListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
String s = display.getText();
if(s.length()==1){
display.setText("0");
}else if(!"".equals(s)&&!"0".equals(s)){
StringBuffer sb =new StringBuffer(display.getText());
sb.deleteCharAt(sb.length()-1);
display.setText(sb.toString());
}
}
}
/*计算的监听器*/
private class ArithmeticListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
if((display.getText().length()!=0)&&!((display.getText().endsWith("+"))||(display.getText().endsWith("-"))||(display.getText().endsWith("X"))||(display.getText().endsWith("/"))||(display.getText().endsWith(".")))){
flag = true;
operate.setText(display.getText());
try{
double result = new CalculatorImpl().toReversePolishNotation(display.getText());
String restr = new Double(result).toString();
display.setText(restr);
//使用转换获取js的eval方法计算,做不了太复杂的混合运算例如:8-6/3+6X3+2.056-96/6
// ScriptEngineManager manager = new ScriptEngineManager();
// ScriptEngine se = manager.getEngineByName("js");
// Object result = null;
// try {
// result = se.eval(display.getText());
// } catch (ScriptException e1) {
// e1.printStackTrace();
// }
// display.setText((String)result);
} catch(NumberFormatException e1){
display.setText("错误");
}
}
}
}
public JFrame getJFrame(){
return this.frame;
}
}
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