所選用的編譯工具為NetBeans

/** To change this license header, choose License Headers in Project Properties.* To change this template file, choose Tools | Templates* and open the template in the editor.*/ package jianpan2;/**** @author Administrator*/ public class KuangJia extends javax.swing.JFrame {/*** Creates new form KuangJia */// private final double INF = 0x7f7f7f7f;private String str="";private double num1=0,num2=0;private int result=0;private int FuHao=0,Diansum=0;public KuangJia() {initComponents();}/*** This method is called from within the constructor to initialize the form.* WARNING: Do NOT modify this code. The content of this method is always* regenerated by the Form Editor.*/@SuppressWarnings("unchecked")// <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() {jButton0 = new javax.swing.JButton();jTextField1 = new javax.swing.JTextField();jButtonDIAN = new javax.swing.JButton();jButtonDENG = new javax.swing.JButton();jButtonJIA = new javax.swing.JButton();jButtonJIAN = new javax.swing.JButton();jButtonCHENG = new javax.swing.JButton();jButtonCHU = new javax.swing.JButton();jButtonC = new javax.swing.JButton();jButton1 = new javax.swing.JButton();jButton2 = new javax.swing.JButton();jButton3 = new javax.swing.JButton();jButton4 = new javax.swing.JButton();jButton5 = new javax.swing.JButton();jButton6 = new javax.swing.JButton();jButton7 = new javax.swing.JButton();jButton8 = new javax.swing.JButton();jLabel1 = new javax.swing.JLabel();jButton9 = new javax.swing.JButton();jLabel2 = new javax.swing.JLabel();jLabel3 = new javax.swing.JLabel();jLabel4 = new javax.swing.JLabel();setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);jButton0.setText("0");jButton0.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton0ActionPerformed(evt);}});jTextField1.setEditable(false);jTextField1.setFont(new java.awt.Font("宋體", 1, 24)); // NOI18NjTextField1.setText("0");jTextField1.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jTextField1ActionPerformed(evt);}});jButtonDIAN.setText(".");jButtonDIAN.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonDIANActionPerformed(evt);}});jButtonDENG.setText("=");jButtonDENG.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonDENGActionPerformed(evt);}});jButtonJIA.setText("+");jButtonJIA.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonJIAActionPerformed(evt);}});jButtonJIAN.setText("-");jButtonJIAN.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonJIANActionPerformed(evt);}});jButtonCHENG.setText("*");jButtonCHENG.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonCHENGActionPerformed(evt);}});jButtonCHU.setText("/");jButtonCHU.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonCHUActionPerformed(evt);}});jButtonC.setText("C");jButtonC.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButtonCActionPerformed(evt);}});jButton1.setText("1");jButton1.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton1ActionPerformed(evt);}});jButton2.setText("2");jButton2.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton2ActionPerformed(evt);}});jButton3.setText("3");jButton3.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton3ActionPerformed(evt);}});jButton4.setText("4");jButton4.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton4ActionPerformed(evt);}});jButton5.setText("5");jButton5.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton5ActionPerformed(evt);}});jButton6.setText("6");jButton6.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton6ActionPerformed(evt);}});jButton7.setText("7");jButton7.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton7ActionPerformed(evt);}});jButton8.setText("8");jButton8.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton8ActionPerformed(evt);}});jLabel1.setText("num1=");jButton9.setText("9");jButton9.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent evt) {jButton9ActionPerformed(evt);}});jLabel3.setText("num2=");javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING).addGroup(layout.createSequentialGroup().addComponent(jButtonC, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButtonCHU, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButtonCHENG, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButtonJIAN, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false).addGroup(layout.createSequentialGroup().addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButton6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)).addGroup(layout.createSequentialGroup().addComponent(jButton7, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButton8, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButton9, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE))).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButtonJIA, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)).addGroup(layout.createSequentialGroup().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false).addComponent(jButton0, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup().addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE))).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButtonDIAN, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jButtonDENG, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)))).addGroup(layout.createSequentialGroup().addComponent(jLabel1).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jLabel3).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)).addComponent(jTextField1)).addContainerGap()));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false).addComponent(jLabel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addComponent(jLabel3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addComponent(jLabel2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE)).addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 52, javax.swing.GroupLayout.PREFERRED_SIZE).addGap(18, 18, 18).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jButtonJIAN, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButtonCHENG, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButtonCHU, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButtonC, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false).addGroup(layout.createSequentialGroup().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jButton7, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton8, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton9, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton6, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))).addComponent(jButtonJIA, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jButton0, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jButtonDIAN, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))).addComponent(jButtonDENG, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)).addContainerGap()));pack();}// </editor-fold> private void jButton0ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton0.getText());} private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:} private void jButtonDIANActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:if(Diansum==0){shuzi(this.jButtonDIAN.getText());Diansum++;}} private void jButtonDENGActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:jisuan();result=0;} private void jButtonJIAActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:result++;if(result>1)jisuan();elsegengxin();FuHao=1;} private void jButtonJIANActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:result++;if(result>1)jisuan();elsegengxin();FuHao=2;} private void jButtonCHENGActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:result++;if(result>1)jisuan();elsegengxin();FuHao=3;} private void jButtonCHUActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:result++;if(result>1)jisuan();elsegengxin();FuHao=4;} private void jButtonCActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:result=0;num1=0;num2=0;FuHao=0;Diansum=0;str="";xianshi(str);} private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton1.getText());} private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton2.getText());} private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton3.getText());} private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton4.getText());} private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton5.getText());} private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton6.getText());} private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton7.getText());} private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton8.getText());} private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:shuzi(this.jButton9.getText());} private void shuzi (String str){this.str=this.str+str;xianshi(this.str);}private void gengxin(){if("".equals(jTextField1.getText())){num2=0;}else num2=Double.parseDouble(jTextField1.getText());str="";Diansum=0;xianshi(num2);}private void xianshi(String ch){if(!"".equals(ch)){this.jTextField1.setText(ch);}else this.jTextField1.setText("0");}private void xianshi(double num){if(num-(int)num>0.0000001){this.jTextField1.setText(Double.toString(num));}else {this.jTextField1.setText(Integer.toString((int)num));}}private void jisuan(){num1=num2;// num2=Double.parseDouble(str);gengxin();switch (FuHao) {case 1:num2=num1+num2;break;case 2:num2=num1-num2;break;case 3:num2=num1*num2;break;case 4:if(num2>0.0000001){num2=num1/num2;}else {xianshi("除數不能為0！");return ;}break;default:break;}xianshi(num2);jLabel2.setText(Double.toString(num1));jLabel4.setText(Double.toString(num2));FuHao=0; // result=0;str="";}/*** @param args the command line arguments*/public static void main(String args[]) {/* Set the Nimbus look and feel *///<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */try {for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {if ("Nimbus".equals(info.getName())) {javax.swing.UIManager.setLookAndFeel(info.getClassName());break;}}} catch (ClassNotFoundException ex) {java.util.logging.Logger.getLogger(KuangJia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} catch (InstantiationException ex) {java.util.logging.Logger.getLogger(KuangJia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} catch (IllegalAccessException ex) {java.util.logging.Logger.getLogger(KuangJia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} catch (javax.swing.UnsupportedLookAndFeelException ex) {java.util.logging.Logger.getLogger(KuangJia.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);}//</editor-fold>/* Create and display the form */java.awt.EventQueue.invokeLater(new Runnable() {public void run() {new KuangJia().setVisible(true);}});}// Variables declaration - do not modify private javax.swing.JButton jButton0;private javax.swing.JButton jButton1;private javax.swing.JButton jButton2;private javax.swing.JButton jButton3;private javax.swing.JButton jButton4;private javax.swing.JButton jButton5;private javax.swing.JButton jButton6;private javax.swing.JButton jButton7;private javax.swing.JButton jButton8;private javax.swing.JButton jButton9;private javax.swing.JButton jButtonC;private javax.swing.JButton jButtonCHENG;private javax.swing.JButton jButtonCHU;private javax.swing.JButton jButtonDENG;private javax.swing.JButton jButtonDIAN;private javax.swing.JButton jButtonJIA;private javax.swing.JButton jButtonJIAN;private javax.swing.JLabel jLabel1;private javax.swing.JLabel jLabel2;private javax.swing.JLabel jLabel3;private javax.swing.JLabel jLabel4;private javax.swing.JTextField jTextField1;// End of variables declaration }

轉載于:https://www.cnblogs.com/lanaiwanqi/p/10445671.html

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