package javaapplication1;
public class 简易计算器 extends javax.swing.JFrame {

??? /**
???? * Creates new form 简易计算器
???? */
??? public 简易计算器() {
??????? initComponents();
??? }
???? public String result = "";
??? public String flag = "";
???? public double[] getNum(String result)
??? {
??????? if(null==result||result.equals(""))
??????????? return null;
??????? double[] dTmp = new double[2];
??????? int index1 = result.indexOf(flag.substring(0, 1));
??????? int index2 = result.indexOf(flag.substring(1,2));
??????? System.out.println(flag);
??????? dTmp[0] = Double.parseDouble(result.substring(0, index1));
??????? dTmp[1] = Double.parseDouble(result.substring(index1+1, index2));
???
??????? return dTmp;
??? }??????????????????????

??? private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
???????? result = result+"+";
??????? jTextField1.setText(result);
??????? flag = flag+ "+";
??? }????????????????????????????????????????

??? private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"5";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"1";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"2";
??????? jTextField1.setText(result);
??? }????????????????????????????????????????

??? private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"3";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"4";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"6";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"7";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"8";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"9";
??????? jTextField1.setText(result);
??? }???????????????????????????????????????

??? private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"0";
??????? jTextField1.setText(result);
??? }????????????????????????????????????????

??? private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"-";
??????? jTextField1.setText(result);
??????? flag = flag+ "-";
??? }????????????????????????????????????????

??? private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"*";
??????? jTextField1.setText(result);
??????? flag = flag+ "*";
??? }????????????????????????????????????????

??? private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
??????? result = result+"/";
??????? jTextField1.setText(result);
??????? flag = flag+ "/";
??? }????????????????????????????????????????

??? private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {?????????????????????????????????????????
??????? // TODO add your handling code here:
???????? result = result+"=";
??????? jTextField1.setText(result);
??????? flag = flag+ "=";
??????? double num1 = 0.0;
??????? double num2 = 0.0;
??????? double num3 =0.0;
??????? double dTmp[] = getNum(result);
??????? num1 = dTmp[0];
??????? num2 = dTmp[1];
??????? System.out.println("num1="+num1+"num2="+num2);
??????? switch(result.charAt(1))
??????? {
??????????? case '+':
??????????? {
??????????????? num3 = num1+num2;
??????????????? break;
??????????? }
??????????? case '-':
??????????? {
??????????????? num3 = num1-num2;
??????????????? break;
??????????? }
??????????? case '*':
??????????? {
??????????????? num3 = num1*num2;
??????????????? break;
??????????? }
??????????? case '/':
??????????? {
??????????????? num3 = num1/num2;
??????????????? break;
??????????? }
??????? }
??????? result = result+num3;
??????? jTextField1.setText(result);
???????
???????
??? }????????????????????????????????????????

??? private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {????????????????????????????????????????
??????? // TODO add your handling code here:
??????? jTextField1.setText("");
??????? result="";
??????? flag="";
??? }???
??? public static void main(String args[])?{
??????? java.awt.EventQueue.invokeLater(new Runnable() {
??????????? public void run() {
??????????????? new 简易计算器().setVisible(true);
??????????? }
??????? });
??? }