java计算器
2017-09-27 31页 doc 99KB 20阅读
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java计算器java计算器
;
package windon
import javax.swing.*;
import java.lang.Math.*;
public class computer extends javax.swing.JFrame {
static double s1,s2,e;
static String M1,M2,a1,a2;
public computer() {
initComponents();
}
@SuppressWarnings("unchecked")
//
priv...
java计算器
;
package windon
import javax.swing.*;
import java.lang.Math.*;
public class computer extends javax.swing.JFrame {
static double s1,s2,e;
static String M1,M2,a1,a2;
public computer() {
initComponents();
}
@SuppressWarnings("unchecked")
//
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTree1 = new javax.swing.JTree();
panel1 = new java.awt.Panel();
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();
jButton9 = new javax.swing.JButton();
jButton10 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
plus = new javax.swing.JButton();
minus = new javax.swing.JButton();
multiplied = new javax.swing.JButton();
divided = new javax.swing.JButton();
sqrt = new javax.swing.JButton();
rec = new javax.swing.JButton();
percent = new javax.swing.JButton();
DengHao = new javax.swing.JButton();
jPanel1 = new javax.swing.JPanel();
jButton21 = new javax.swing.JButton();
jButton22 = new javax.swing.JButton();
jButton23 = new javax.swing.JButton();
jButton24 = new javax.swing.JButton();
jButton25 = new javax.swing.JButton();
jButton26 = new javax.swing.JButton();
jButton27 = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jScrollPane1.setViewportView(jTree1);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("计算器");
setResizable(false);
jButton1.setForeground(new java.awt.Color(102, 102, 255));
jButton1.setText("1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton2.setForeground(new java.awt.Color(102, 102, 255));
jButton2.setText("2");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton3.setForeground(new java.awt.Color(102, 102, 255));
jButton3.setText("3");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton4.setForeground(new java.awt.Color(102, 102, 255));
jButton4.setText("4");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton5.setForeground(new java.awt.Color(102, 102, 255));
jButton5.setText("5");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton6.setForeground(new java.awt.Color(102, 102, 255));
jButton6.setText("6");
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton7.setForeground(new java.awt.Color(102, 102, 255));
jButton7.setText("7");
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton8.setForeground(new java.awt.Color(102, 102, 255));
jButton8.setText("8");
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton9.setForeground(new java.awt.Color(102, 102, 255));
jButton9.setText("9");
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton10.setForeground(new java.awt.Color(102, 102, 255));
jButton10.setText("0");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
jButton11.setForeground(new java.awt.Color(102, 102, 255));
jButton11.setText("+/-");
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
chang(evt);
}
});
jButton12.setFont(new java.awt.Font("宋体", 0, 24));
jButton12.setForeground(new java.awt.Color(102, 102, 255));
jButton12.setText(".");
jButton12.setPreferredSize(new java.awt.Dimension(39, 23));
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
数据输入(evt);
}
});
plus.setFont(new java.awt.Font("宋体", 0, 14)); // NOI18N
plus.setForeground(new java.awt.Color(255, 0, 153));
plus.setText("+");
plus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate(evt);
}
});
minus.setFont(new java.awt.Font("宋体", 0, 14));
minus.setForeground(new java.awt.Color(255, 0, 153));
minus.setText("-");
minus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate(evt);
}
});
multiplied.setFont(new java.awt.Font("宋体", 0, 14));
multiplied.setForeground(new java.awt.Color(255, 0, 153));
multiplied.setText("*");
multiplied.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate(evt);
}
});
divided.setFont(new java.awt.Font("宋体", 0, 14));
divided.setForeground(new java.awt.Color(255, 0, 153));
divided.setText("/");
divided.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate(evt);
}
});
sqrt.setForeground(new java.awt.Color(51, 51, 255));
sqrt.setText("sqrt");
sqrt.setActionCommand("jButton18");
sqrt.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate2(evt);
}
});
rec.setForeground(new java.awt.Color(51, 51, 255));
rec.setText("1/x");
rec.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate2(evt);
}
});
percent.setForeground(new java.awt.Color(51, 51, 255));
percent.setText("%");
percent.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate2(evt);
}
});
DengHao.setForeground(new java.awt.Color(255, 0, 153));
DengHao.setText("=");
DengHao.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
calculate(evt);
}
});
javax.swing.GroupLayout panel1Layout = new javax.swing.GroupLayout(panel1);
panel1.setLayout(panel1Layout);
panel1Layout.setHorizontalGroup(
panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(panel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton7,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton4,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jButton1,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jButton12,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(panel1Layout.createSequentialGroup()
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jButton5,
javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 60, Short.MAX_VALUE)
.addComponent(jButton8,
javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 60, Short.MAX_VALUE))
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(panel1Layout.createSequentialGroup()
.addGap(6, 6, 6)
.addComponent(jButton6,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(minus,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(rec,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(panel1Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton9,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(plus,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPla
cement.RELATED)
.addComponent(sqrt, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGroup(panel1Layout.createSequentialGroup()
.addComponent(jButton10, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.R
ELATED)
.addComponent(jButton11, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.U
NRELATED)
.addComponent(divided, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(2, 2, 2)
.addComponent(DengHao, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(panel1Layout.createSequentialGroup()
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.R
ELATED)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.R
ELATED)
.addComponent(multiplied, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.R
ELATED)
.addComponent(percent, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
panel1Layout.setVerticalGroup(
panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(panel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton7, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton8, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton9, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(plus, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(sqrt, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(7, 7, 7)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton5, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton6, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(minus, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(rec, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton1,
javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton2,
javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton3,
javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(multiplied,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(percent,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.Alig
nment.LEADING)
.addGroup(panel1Layout.createParallelGroup(javax.swing.GroupLayout.
Alignment.BASELINE)
.addComponent(jButton10,
javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(jButton11,
javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
.addComponent(DengHao,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(divided,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jButton12,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
jButton21.setForeground(new java.awt.Color(255, 51, 0));
jButton21.setText("CE");
jButton21.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton21ActionPerformed(evt);
}
});
jButton22.setForeground(new java.awt.Color(255, 51, 0));
jButton22.setText("C");
jButton22.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
C(evt);
}
});
jButton23.setForeground(new java.awt.Color(255, 51, 0));
jButton23.setText("Backspace");
jButton23.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
Backspace(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton23, javax.swing.GroupLayout.PREFERRED_SIZE, 108, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton21, javax.swing.GroupLayout.PREFERRED_SIZE, 94, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton22, javax.swing.GroupLayout.PREFERRED_SIZE, 102, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(96, 96, 96))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap(13, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton23,
javax.swing.GroupLayout.PREFERRED_SIZE, 50,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton21,
javax.swing.GroupLayout.PREFERRED_SIZE, 50,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton22,
javax.swing.GroupLayout.PREFERRED_SIZE, 50,
javax.swing.GroupLayout.PREFERRED_SIZE)))
);
jButton24.setForeground(new java.awt.Color(255, 51, 0));
jButton24.setText("MC");
jButton25.setForeground(new java.awt.Color(255, 51, 0));
jButton25.setText("MR");
jButton26.setForeground(new java.awt.Color(255, 51, 0));
jButton26.setText("M+");
jButton27.setForeground(new java.awt.Color(255, 51, 0));
jButton27.setText("MS");
jTextField1.setBackground(new java.awt.Color(203, 232, 221));
jTextField1.setEditable(false);
jTextField2.setBackground(new java.awt.Color(204, 255, 255));
jTextField2.setEditable(false);
jTextField2.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
jTextField2.setText("0.");
jMenu1.setText("帮助");
jMenuItem1.setText("关于计算器");
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TanChu(evt);
}
});
jMenu1.add(jMenuItem1);
jMenuBar1.add(jMenu1);
setJMenuBar(jMenuBar1);
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)
.addComponent(jTextField2,
javax.swing.GroupLayout.PREFERRED_SIZE, 407,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton24,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton27,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton25,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jButton26,
javax.swing.GroupLayout.PREFERRED_SIZE, 60,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, 54,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1,
javax.swing.GroupLayout.PREFERRED_SIZE, 347,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(panel1,
javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE,
33, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, 51,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton24,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton25,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton27,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton26,
javax.swing.GroupLayout.PREFERRED_SIZE, 45,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(10, 10, 10))
.addComponent(panel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
);
pack();
}//
static int j=0;
private void 数据输入(java.awt.event.ActionEvent evt) {
JButton Bun=(JButton)evt.getSource();
M1=jTextField2.getText();
M2=Bun.getText();
if(Bun!=jButton12){
s2=Double.parseDouble(M2);
s1=Double.parseDouble(M1);
}
if(j>=2&&Bun!=jButton12){
jTextField2.setText(M1+M2);
}
if(j==1){
e=s1+s2*0.1;
jTextField2.setText(""+e);
j++;
}
if(Bun==jButton12)j++;
if(j<=0){
e=s1*10+s2;
jTextField2.setText(""+e);
}
}
private void chang(java.awt.event.ActionEvent evt) {
M1=jTextField2.getText();
s1=Double.parseDouble(M1);
e=s1*-1;
jTextField2.setText(""+e);
}
private void C(java.awt.event.ActionEvent evt) {
jTextField2.setText("0.");
j=0;
c=0;
}
private void Backspace(java.awt.event.ActionEvent evt) {
int i;
M1=jTextField2.getText();
i=M1.length();
if(i>1)jTextField2.setText(M1.substring(0,i-1));
else jTextField2.setText("0.");
}
static int c=0,k=0,m=0;
double m2;
private void calculate(java.awt.event.ActionEvent evt) {
JButton Bun=(JButton)evt.getSource();
if(Bun==plus)k=1;
if(Bun==minus)k=2;
if(Bun==multiplied)k=3;
if(Bun==divided)k=4;
if(Bun!=DengHao){
a1=jTextField2.getText();
jTextField2.setText("0.");
if(m==1){
a2=jTextField2.getText();
s2=Double.parseDouble(a2);
s1=Double.parseDouble(a1);
switch(k){
case 1:
s1=s1+s2;
break;
case 2:
e=s1-s2;
break;
case 3:
e=s1*s2;
break;
case 4:
if(s2!=0)
e=s1/s2;
}
}
m=1;
}
if(Bun==DengHao){
a2=jTextField2.getText();
s2=Double.parseDouble(a2);
s1=Double.parseDouble(a1);
switch(k){
case 1:
e=s1+s2;
break;
case 2:
e=s1-s2;
break;
case 3:
e=s1*s2;
break;
case 4:
if(s2!=0)
e=s1/s2;
}
if(s2!=0)jTextField2.setText(""+e);
else jTextField2.setText("除数不能为0");
}
}
private void calculate2(java.awt.event.ActionEvent evt) {
JButton Bun=(JButton)evt.getSource();
M1=jTextField2.getText();
s1=Double.parseDouble(M1);
if(Bun==sqrt){
e=Math.sqrt(s1);
jTextField2.setText(""+e);
}
if(Bun==rec&&s1!=0){
e=1/s1;
jTextField2.setText(""+e);
}
if(Bun==rec&&s1==0)jTextField2.setText("除数不能为0");
if(Bun==percent) jTextField2.setText(s1*100+"%");
}
private void TanChu(java.awt.event.ActionEvent evt) {
TanChu TanChu=new TanChu();
b=1;
TanChu.setVisible(true);
}
private void jButton21ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/static int b=0;
static computer co=new computer();
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
co.setVisible(true);
}
});
if(b==1)co.setEnabled(false);
}
// Variables declaration - do not modify
private javax.swing.JButton DengHao;
private javax.swing.JButton divided;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton21;
private javax.swing.JButton jButton22;
private javax.swing.JButton jButton23;
private javax.swing.JButton jButton24;
private javax.swing.JButton jButton25;
private javax.swing.JButton jButton26;
private javax.swing.JButton jButton27;
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.JMenu jMenu1;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
private javax.swing.JTree jTree1;
private javax.swing.JButton minus;
private javax.swing.JButton multiplied;
private java.awt.Panel panel1;
private javax.swing.JButton percent;
private javax.swing.JButton plus;
private javax.swing.JButton rec;
private javax.swing.JButton sqrt;
// End of variables declaration
}
/
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