frame1.java~154~

简单的java计算器程序

  //File | Exit action performed
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  //Help | About action performed
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }

  void status1_actionPerformed(ActionEvent e) {

  }

  void result1_actionPerformed(ActionEvent e) {

  }

  void jb27_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb28_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb29_actionPerformed(ActionEvent e) {
  if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb24_actionPerformed(ActionEvent e) {
    if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb25_actionPerformed(ActionEvent e) {
    if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb26_actionPerformed(ActionEvent e) {
    if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb21_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb22_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb23_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result2.setText("0");
     isResult=!isResult;
    }
    str=result2.getText();
    if(str.equals("0"))
    {
      result2.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result2.setText(str);
    }

  }

  void jb20_actionPerformed(ActionEvent e) {
    if(isResult)
     {
      result2.setText("0");
      isResult=!isResult;
     }
     str=result2.getText();
     if(str.equals("0"))
     {
       result2.setText(e.getActionCommand());
     }
     else
     {
       str=str+e.getActionCommand();
       result2.setText(str);
     }

  }

  void jb2deng_actionPerformed(ActionEvent e) {
     endnum = Double.parseDouble(result2.getText());
       if (flagAdd) {                                                             //加法运算
         result2.setText(String.valueOf(startnum + endnum));
         status2.setText(startnum + "+ " + endnum + " = " +
                        String.valueOf(startnum + endnum));
         isResult = true;
         flagAdd = !flagAdd;

       }
       if (flagSub) {                                                             //减法运算
         result2.setText(String.valueOf(startnum - endnum));
         status2.setText(startnum + "- " + endnum + " = " +
                        String.valueOf(startnum - endnum));
         isResult = true;
         flagSub = !flagSub;
       }
       if (flagMul) {                                                             //乘法运算
         result2.setText(String.valueOf(startnum * endnum));
         status2.setText(startnum + "x " + endnum + " = " +
                        String.valueOf(startnum * endnum));
         isResult = true;
         flagMul = !flagMul;
       }
       if (flagDiv) {                                                             //除法运算
         if (endnum == 0) {                                                       //判断除数是否为零
           status2.setText("除数不能为零，请重新输入!");
           result2.setText("ERROR");
         }
         else {
           result2.setText(String.valueOf(startnum/endnum));
           status2.setText(startnum + "% " + endnum + " = " +
                          String.valueOf(startnum/endnum));
           isResult = true;
           flagDiv = !flagDiv;
         }
       }

  }

  void jb2sin_actionPerformed(ActionEvent e) {
      double x;
     x=Double.parseDouble(result2.getText());
     result2.setText(String.valueOf(Math.sin(x)));
     isResult=true;
  }

  void jb2cos_actionPerformed(ActionEvent e) {
    double x;
    x=Double.parseDouble(result2.getText());
    result2.setText(String.valueOf(Math.cos(x)));
    isResult=true;
  }

  void jb2fu_actionPerformed(ActionEvent e) {
   String s1,s2,s3;
    double  x1,x2,x3;
    s2=result2.getText();
    s1="0";
    x1=Double.parseDouble(s1);
    x2=Double.parseDouble(s2);
    x3=x1-x2;
    s3=Double.toString(x3);
    result2.setText(s3);
  }

  void jb2jia_actionPerformed(ActionEvent e) {
   startnum=Double.parseDouble(result2.getText());
    flagAdd=true;
    isResult=true;
  }

  void jb2jian_actionPerformed(ActionEvent e) {
  startnum=Double.parseDouble(result2.getText());
     flagSub=true;
    isResult=true;
  }

  void jb2cheng_actionPerformed(ActionEvent e) {
    startnum=Double.parseDouble(result2.getText());
     flagMul=true;
    isResult=true;
  }

  void jb2chu_actionPerformed(ActionEvent e) {
   startnum=Double.parseDouble(result2.getText());
      flagDiv=true;
      isResult=true;
  }

  void qingling2_actionPerformed(ActionEvent e) {
    result2.setText("0");
    status2.setText("清零成功！");
  }

  void jb17_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb18_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb19_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb14_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb15_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb16_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb11_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb12_actionPerformed(ActionEvent e) {
  if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb13_actionPerformed(ActionEvent e) {
   if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());
    }
    else
    {
      str=str+e.getActionCommand();
      result1.setText(str);
    }
  }

  void jb10_actionPerformed(ActionEvent e) {
  if(isResult)
    {
     result1.setText("0");
     isResult=!isResult;
    }
    str=result1.getText();
    if(str.equals("0"))
    {
      result1.setText(e.getActionCommand());