jsq.java~14~

用java编写计算器 适合初学java的人

package jsq;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.XYLayout;
import com.borland.jbcl.layout.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class jsq
    extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JTextField Text = new JTextField();
  JButton button_new = new JButton();
  JButton button_cancel = new JButton();
  JButton operatorButton1 = new JButton();
  JButton numberButton_1 = new JButton();
  JButton numberButton_2 = new JButton();
  JButton numberButton_3 = new JButton();
  JButton numberButton_4 = new JButton();
  JButton numberButton_5 = new JButton();
  JButton numberButton_6 = new JButton();
  JButton numberButton_7 = new JButton();
  JButton numberButton_8 = new JButton();
  JButton numberButton_9 = new JButton();
  JButton numberButton_10 = new JButton();
  JButton numberButton_0 = new JButton();
  JButton numberButton_11 = new JButton();
  JButton operatorButton2 = new JButton();
  JButton operatorButton3 = new JButton();
  JButton operatorButton4 = new JButton();
  JButton operatorButton5 = new JButton();
  boolean end=true,first=true; //end判断是否结束，first判断是否按了操作键
  int sign=0;                   //sing 表示操作符 ‘01234’=‘=+-*/’
  double num1,num2,num3;

  public jsq() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(xYLayout1);
    setSize(new Dimension(400, 330));
    setTitle("Frame Title");
    contentPane.setToolTipText("");
    Text.setEditable(false);
    Text.setText("0");
    button_new.setFont(new java.awt.Font("Dialog", Font.BOLD, 18));
    button_new.setText("清零");
    button_cancel.setFont(new java.awt.Font("Dialog", Font.BOLD, 18));
    button_cancel.setText("重置");
    operatorButton1.setFont(new java.awt.Font("Dialog", Font.BOLD, 20));
    operatorButton1.setText("=");
    numberButton_1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_1.setText("1");
    numberButton_1.addActionListener(new jsq_numberButton_1_actionAdapter(this));
    numberButton_2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_2.setText("2");
    numberButton_2.addActionListener(new jsq_numberButton_2_actionAdapter(this));
    numberButton_3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_3.setText("3");
    numberButton_3.addActionListener(new jsq_numberButton_3_actionAdapter(this));
    numberButton_4.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_4.setText("4");
    numberButton_4.addActionListener(new jsq_numberButton_4_actionAdapter(this));
    numberButton_5.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_5.setText("5");
    numberButton_5.addActionListener(new jsq_numberButton_5_actionAdapter(this));
    numberButton_6.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_6.setText("6");
    numberButton_6.addActionListener(new jsq_numberButton_6_actionAdapter(this));
    numberButton_7.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_7.setText("7");
    numberButton_7.addActionListener(new jsq_numberButton_7_actionAdapter(this));
    numberButton_8.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_8.setText("8");
    numberButton_8.addActionListener(new jsq_numberButton_8_actionAdapter(this));
    numberButton_9.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_9.setText("9");
    numberButton_9.addActionListener(new jsq_numberButton_9_actionAdapter(this));
    numberButton_10.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_10.setText("-");
    numberButton_0.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_0.setText("0");
    numberButton_0.addActionListener(new jsq_numberButton_0_actionAdapter(this));
    numberButton_11.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
    numberButton_11.setText(".");
    operatorButton2.setFont(new java.awt.Font("Dialog", Font.BOLD, 15));
    operatorButton2.setText("/");
    operatorButton3.setFont(new java.awt.Font("Dialog", Font.BOLD, 15));
    operatorButton3.setText("*");
    operatorButton4.setFont(new java.awt.Font("Dialog", Font.BOLD, 15));
    operatorButton4.setText("-");
    operatorButton5.setFont(new java.awt.Font("Dialog", Font.BOLD, 15));
    operatorButton5.setText("+");
    contentPane.add(Text, new XYConstraints(20, 21, 347, 39));
    contentPane.add(button_cancel, new XYConstraints(145, 75, 95, 31));
    contentPane.add(button_new, new XYConstraints(21, 75, 95, 31));
    contentPane.add(operatorButton1, new XYConstraints(273, 76, 95, 31));
    contentPane.add(operatorButton2, new XYConstraints(302, 126, 66, -1));
    contentPane.add(operatorButton3, new XYConstraints(302, 168, 66, -1));
    contentPane.add(numberButton_3, new XYConstraints(208, 126, 66, -1));
    contentPane.add(numberButton_1, new XYConstraints(21, 126, 66, -1));
    contentPane.add(numberButton_2, new XYConstraints(113, 126, 66, -1));
    contentPane.add(numberButton_5, new XYConstraints(113, 168, 66, -1));
    contentPane.add(numberButton_4, new XYConstraints(21, 168, 66, -1));
    contentPane.add(numberButton_6, new XYConstraints(208, 168, 66, -1));
    contentPane.add(operatorButton4, new XYConstraints(302, 215, 66, -1));
    contentPane.add(numberButton_9, new XYConstraints(208, 215, 66, -1));
    contentPane.add(numberButton_8, new XYConstraints(113, 215, 66, -1));
    contentPane.add(numberButton_7, new XYConstraints(21, 215, 66, -1));
    contentPane.add(numberButton_10, new XYConstraints(21, 263, 66, -1));
    contentPane.add(numberButton_0, new XYConstraints(113, 263, 66, -1));
    contentPane.add(numberButton_11, new XYConstraints(208, 263, 66, -1));
    contentPane.add(operatorButton5, new XYConstraints(302, 263, 66, -1));
  }
  void number(String s){
    if(end){
      Text.setText(s);
      end=false;
    }
    else if(Text.getText().equals("0")){
      Text.setText(s);
    }
    else{
      String str=Text.getText()+s;
      Text.setText(str);
    }
  }
  public void numberButton_1_actionPerformed(ActionEvent e) {
     number("1");
  }
  public void numberButton_2_actionPerformed(ActionEvent e) {
    number("2");
 }
 public void numberButton_3_actionPerformed(ActionEvent e) {
    number("3");
 }
 public void numberButton_4_actionPerformed(ActionEvent e) {
    number("4");
 }
 public void numberButton_5_actionPerformed(ActionEvent e) {
     number("5");
   }
   public void numberButton_6_actionPerformed(ActionEvent e) {
      number("6");
   }
   public void numberButton_7_actionPerformed(ActionEvent e) {
       number("7");
  }
  public void numberButton_8_actionPerformed(ActionEvent e) {
    number("8");
 }
 public void numberButton_9_actionPerformed(ActionEvent e) {
     number("9");
  }
  public void numberButton_0_actionPerformed(ActionEvent e) {
    number("0");
 }

}

class jsq_numberButton_8_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_8_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_8_actionPerformed(e);
  }
}

class jsq_numberButton_5_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_5_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_5_actionPerformed(e);
  }
}

class jsq_numberButton_4_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_4_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_4_actionPerformed(e);
  }
}

class jsq_numberButton_9_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_9_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_9_actionPerformed(e);
  }
}

class jsq_numberButton_0_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_0_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_0_actionPerformed(e);
  }
}

class jsq_numberButton_6_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_6_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_6_actionPerformed(e);
  }
}

class jsq_numberButton_7_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_7_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_7_actionPerformed(e);
  }
}

class jsq_numberButton_2_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_2_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_2_actionPerformed(e);
  }
}

class jsq_numberButton_3_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_3_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_3_actionPerformed(e);
  }
}

class jsq_numberButton_1_actionAdapter
    implements ActionListener {
  private jsq adaptee;
  jsq_numberButton_1_actionAdapter(jsq adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.numberButton_1_actionPerformed(e);
  }
}