sdf.java

年没年才才常常常常才名称年年才小在可发一饿日旧

        }
         else if (counter !=0 && opera==2)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result - i.doubleValue();
            opera = 2;
        }
        else if (counter !=0 && opera==1)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result + i.doubleValue();
            opera = 2;
        }
        else if (counter !=0 && opera==3)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result * i.doubleValue();
            opera = 2;
        }
        else if (counter !=0 && opera==4)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result / i.doubleValue();
            opera = 2;
        }
    }//GEN-LAST:event_jButton16ActionPerformed

    private void jButton34ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton34ActionPerformed
// TODO 将在此处添加您的处理代码：
        if (opera==1)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result + i.doubleValue();
            display.setText(""+ result);
        }
        else if (opera==2)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result - i.doubleValue();
            display.setText(""+ result);
        }
        else if (opera==3)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result * i.doubleValue();
            display.setText(""+ result);
        }
        else if (opera==4)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result / i.doubleValue();
            display.setText(""+ result);
        }
        counter = 0;
        result = 0;
    }//GEN-LAST:event_jButton34ActionPerformed

    private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed
// TODO 将在此处添加您的处理代码：
        if(counter==0)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result + i.doubleValue();
            counter++;
            opera=1;
        }
        else if (counter !=0 && opera==1)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result + i.doubleValue();
            opera = 1;
        }
        else if (counter !=0 && opera==2)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result - i.doubleValue();
            opera = 1;
        }
        else if (counter !=0 && opera==3)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result * i.doubleValue();
            opera = 1;
        }
        else if (counter !=0 && opera==4)
        {
            i = new Double (display.getText());
            display.setText("");
            result = result / i.doubleValue();
            opera = 1;
        }
    }//GEN-LAST:event_jButton10ActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO 将在此处添加您的处理代码：
        if(count ==0)
            {
                s= display.getText();
                s= s+ "0.";
                display.setText(s);
                count++;
            }
        else 
         {
            s= display.getText();
            s= s+ ".";
            display.setText(s);
            count++;
         }
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton8ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 0;
           display.setText(s);
    }//GEN-LAST:event_jButton8ActionPerformed

    private void jButton29ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton29ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 3;
           display.setText(s);
    }//GEN-LAST:event_jButton29ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 2;
           display.setText(s);
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton9ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 1;
           display.setText(s);
    }//GEN-LAST:event_jButton9ActionPerformed

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 6;
           display.setText(s);
    }//GEN-LAST:event_jButton4ActionPerformed

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 5;
           display.setText(s);
    }//GEN-LAST:event_jButton5ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 4;
           display.setText(s);
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 9;
           display.setText(s);
    }//GEN-LAST:event_jButton6ActionPerformed

    private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton7ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 8;
           display.setText(s);
    }//GEN-LAST:event_jButton7ActionPerformed

    private void jButton28ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton28ActionPerformed
// TODO 将在此处添加您的处理代码：
        count++;
            s= display.getText();
            s= s+ 7;
           display.setText(s);
    }//GEN-LAST:event_jButton28ActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new SDF().setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JLabel display;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton10;
    private javax.swing.JButton jButton11;
    private javax.swing.JButton jButton12;
    private javax.swing.JButton jButton13;
    private javax.swing.JButton jButton14;
    private javax.swing.JButton jButton16;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton28;
    private javax.swing.JButton jButton29;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton30;
    private javax.swing.JButton jButton31;
    private javax.swing.JButton jButton34;
    private javax.swing.JButton jButton35;
    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.JPanel nums;
    // 变量声明结束//GEN-END:variables
    static String s = new String();
    static short count = 0;

    private short counter;

    Double i;

    private double result = 0;

    private short opera = 0;

    double temp = 0.0;
}