From f92fd6a519af765140c84a2d10fb30cc27e38f94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Sun, 6 Jun 2021 22:09:45 +0800
Subject: [PATCH 1/7] =?UTF-8?q?=E6=96=B0=E5=BB=BA=20=E6=A2=81=E5=81=A5?=
 =?UTF-8?q?=E5=BC=BA=20src?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../\346\242\201\345\201\245\345\274\272 src/.keep"               | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 "src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep"

diff --git "a/src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep" "b/src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep"
new file mode 100644
index 0000000..e69de29
-- 
Gitee


From 359ba25868000cb26199e279553973b2f6084f40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Sun, 6 Jun 2021 22:12:05 +0800
Subject: [PATCH 2/7] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=20src/?=
 =?UTF-8?q?java2020spring/=E6=A2=81=E5=81=A5=E5=BC=BA=20src/.keep?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../\346\242\201\345\201\245\345\274\272 src/.keep"               | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 "src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep"

diff --git "a/src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep" "b/src/java2020spring/\346\242\201\345\201\245\345\274\272 src/.keep"
deleted file mode 100644
index e69de29..0000000
-- 
Gitee


From cbe5792ff53d02c551c7ce78d54a1742a844e92c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Thu, 10 Jun 2021 12:47:13 +0800
Subject: [PATCH 3/7] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=20src/?=
 =?UTF-8?q?java2020spring?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/java2020spring/Test.java | 10 ----------
 1 file changed, 10 deletions(-)
 delete mode 100644 src/java2020spring/Test.java

diff --git a/src/java2020spring/Test.java b/src/java2020spring/Test.java
deleted file mode 100644
index fc09c19..0000000
--- a/src/java2020spring/Test.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package java2020spring;
-
-public class Test {
-
-	public static void main(String[] args) {
-		System.out.println("Hello world!");
-
-	}
-
-}
-- 
Gitee


From 3bea4a722747fb536572e113c24bd270fe58a999 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Thu, 10 Jun 2021 12:56:02 +0800
Subject: [PATCH 4/7] =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA=20=E4=BF=A1?=
 =?UTF-8?q?=E7=AE=A1=E5=9B=9B=E7=8F=AD=200411?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Mymath.java                                 |  27 ++++
 "\350\256\241\347\256\227.java"             | 127 ++++++++++++++++++
 "\350\256\241\347\256\227\345\231\250.java" | 135 ++++++++++++++++++++
 3 files changed, 289 insertions(+)
 create mode 100644 Mymath.java
 create mode 100644 "\350\256\241\347\256\227.java"
 create mode 100644 "\350\256\241\347\256\227\345\231\250.java"

diff --git a/Mymath.java b/Mymath.java
new file mode 100644
index 0000000..375d242
--- /dev/null
+++ b/Mymath.java
@@ -0,0 +1,27 @@
+package ÆÚÄ©×÷Òµ;
+import java.math.BigDecimal;
+public class Mymath {
+static BigDecimal getBigDecimal(double number){
+  return new BigDecimal(number);
+ }
+ public static double add(double num1, double num2) {
+  BigDecimal first = getBigDecimal(num1);
+  BigDecimal second = getBigDecimal(num2);
+  return first.add(second).doubleValue();
+ }
+ public static double subtract(double num1, double num2) {
+  BigDecimal first = getBigDecimal(num1);
+  BigDecimal second = getBigDecimal(num2);
+  return first.subtract(second).doubleValue();
+ } 
+ public static double multiply(double num1, double num2) {
+  BigDecimal first = getBigDecimal(num1);
+  BigDecimal second = getBigDecimal(num2);
+  return first.multiply(second).doubleValue();
+ } 
+ public static double divide(double num1, double num2) {
+  BigDecimal first = getBigDecimal(num1);
+  BigDecimal second = getBigDecimal(num2);
+  return first.divide(second,3,BigDecimal.ROUND_HALF_UP).doubleValue();
+ }
+}
\ No newline at end of file
diff --git "a/\350\256\241\347\256\227.java" "b/\350\256\241\347\256\227.java"
new file mode 100644
index 0000000..3c1eabe
--- /dev/null
+++ "b/\350\256\241\347\256\227.java"
@@ -0,0 +1,127 @@
+package ÆÚÄ©×÷Òµ;
+
+public class ¼ÆËã {
+ private boolean isSecondNum = false;
+ String lastOp;
+ String firstNum = "0";
+ String secondNum = "null";
+ double store;
+String numString = "0123456789.";
+String opString = "+-*/";
+ 
+ public String catNum(String cmd, String text) {
+  String result = cmd;
+  if (!"0".equals(text)) {
+   if (isSecondNum) {
+    isSecondNum = false;
+   } else {
+    result = text + cmd;
+   }
+  }
+  if (result.indexOf(".") == 0) {
+   result = "0" + result;
+  }
+  return result;
+ }
+ public String setOp(String cmd, String text) {
+  this.lastOp = cmd;
+  this.firstNum = text;
+  this.secondNum = null;
+  this.isSecondNum = true;
+  return null;
+ }
+ 
+ public String cal(String text, boolean isPercent) {
+	  double secondResult = secondNum == null ? Double.valueOf(text)
+    .doubleValue() : Double.valueOf(secondNum).doubleValue();
+  if(secondResult == 0 && this.lastOp.equals("/")){
+   return "0";
+  }
+  if(isPercent){
+   secondResult = Mymath.multiply(Double.valueOf(firstNum), Mymath.divide(secondResult, 100));
+  }
+  if(this.lastOp.equals("+")){
+   firstNum = String.valueOf(Mymath.add(Double.valueOf(firstNum),secondResult));
+  }else if (this.lastOp.equals("-")) {
+   firstNum = String.valueOf(Mymath.subtract(Double.valueOf(firstNum),secondResult));
+  }else if (this.lastOp.equals("*")) {
+   firstNum = String.valueOf(Mymath.multiply(Double.valueOf(firstNum),secondResult));
+  }else if (this.lastOp.equals("/")) {
+   firstNum = String.valueOf(Mymath.divide(Double.valueOf(firstNum),secondResult));
+  }
+  secondNum = secondNum == null ? text :secondNum;
+  this.isSecondNum = true;
+  return firstNum;
+ }
+ public String sqrt(String text){
+  this.isSecondNum = true;
+  return String.valueOf(Math.sqrt(Double.valueOf(text)));
+ }
+ public String setReciprocal(String text){
+  if (text.equals("0")){
+   return text;
+  }else{
+   this.isSecondNum = true;
+   return String.valueOf(Mymath.divide(1, Double.valueOf(text)));
+  }
+ }
+ public String mCmd(String cmd,String text){
+  if(cmd.equals("M+")){
+   store = Mymath.add(store, Double.valueOf(text));
+  }else if (cmd.equals("MC")) {
+   store = 0;
+  }else if (cmd.equals("MR")) {
+   isSecondNum = true;
+   return String.valueOf(store);
+  }else if (cmd.equals("MS")) {
+   store = Double.valueOf(text).doubleValue();
+  }
+  return null;
+ }
+ 
+ public String backSpace(String text){
+  return text.equals("0") || text.equals("") ? "0" :text.substring(0,text.length()-1);
+ }
+ 
+ public String setNegative(String text){
+  if(text.indexOf("-") == 0){
+   return text.substring(1,text.length());
+  }else{
+   return "-" + text;
+  }
+ }
+ public String clearAll(){
+  this.firstNum = "0";
+  this.secondNum = null;
+  return this.firstNum;
+ }
+ public String clear(String text){
+  return "0";
+ }
+ 
+ public String callMethod(String cmd, String text){
+  if(cmd.equals("C")){
+   return clearAll();
+  }else if(cmd.equals("CE")){
+   return clear(text);
+  }else if (cmd.equals("Back")) {
+   return backSpace(text);
+  }else if (numString.indexOf(cmd) != -1) {
+   return catNum(cmd, text);
+  }else if (opString.indexOf(cmd) != -1) {
+   return setOp(cmd, text);
+  }else if (cmd.equals("+/-")) {
+   return setNegative(text); 
+  }else if(cmd.equals("1/x")){
+   return setReciprocal(text);
+  }else if (cmd.equals("sqrt")) {
+   return sqrt(text);
+  }else if(cmd.equals("%")){
+   return cal(text, true);
+  }else if(cmd.equals("=")){
+   return cal(text, false);
+  }else {
+   return mCmd(cmd, text);
+  }
+ }
+}
diff --git "a/\350\256\241\347\256\227\345\231\250.java" "b/\350\256\241\347\256\227\345\231\250.java"
new file mode 100644
index 0000000..f2f7cc1
--- /dev/null
+++ "b/\350\256\241\347\256\227\345\231\250.java"
@@ -0,0 +1,135 @@
+package ÆÚÄ©×÷Òµ;
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Arrays;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+public class ¼ÆËãÆ÷ extends JFrame {
+  int PRE_WIDTH = 500;
+ int PRE_HEIGHT = 400;
+  JTextField text = null;
+ JButton button = null; 
+ String[] °´¼ü1 = {"7","8","9","/","sqrt","4","5","6","*","%","1","2","3","-","1/x","0","+/-",".","+","="};
+ String[] °´¼ü2 = {"MC","MR","MS","M+"};
+ String[] °´¼ü3 = {"Back","CE","C"};
+ ¼ÆËã service = new ¼ÆËã();
+ public ¼ÆËãÆ÷(){
+  this.setTitle("¼ÆËãÆ÷");
+  this.setSize(PRE_WIDTH, PRE_HEIGHT);
+  this.setLocationRelativeTo(null);
+  this.setResizable(false);
+  JPanel panel = new JPanel();
+  panel.setLayout(new BorderLayout(10,1));
+  panel.add(getTextField(), BorderLayout.NORTH);
+  panel.setPreferredSize(new Dimension(PRE_WIDTH, PRE_HEIGHT));
+  JButton[] mButton = getMButton();
+  JPanel panel1 = new JPanel();
+  panel1.setLayout(new GridLayout(5,1,0,5));
+  for(JButton b : mButton ){
+   panel1.add(b);
+  }
+  panel.add(panel1,BorderLayout.WEST);
+  JButton[] rButton = getRButton();
+  JPanel panel2 = new JPanel();
+  panel2.setLayout(new BorderLayout(1,5));
+  JPanel panel21 = new JPanel();
+  panel21.setLayout(new GridLayout(1,3,3,3));
+  for(JButton b : rButton){
+   panel21.add(b);
+  }
+  panel2.add(panel21,BorderLayout.NORTH);
+  
+  JButton[] nButton = getNButton();
+  JPanel panel22 = new JPanel();
+  panel22.setLayout(new GridLayout(4,5,3,5));
+  for(JButton b : nButton){
+   panel22.add(b);
+  }
+  panel2.add(panel22,BorderLayout.CENTER);
+  panel.add(panel2,BorderLayout.CENTER);
+  
+  this.add(panel);
+  this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+  this.setVisible(true);
+ 
+  
+ }
+JTextField getTextField(){
+  text = new JTextField("0",10);
+  return text;
+ }
+
+ JButton[] getNButton(){
+  String[] redButton = {"/","*","-","+","="};
+  JButton[] nbutton = new JButton[°´¼ü1.length];
+  for(int i = 0; i < this.°´¼ü1.length; i++){
+   JButton b = new JButton(this.°´¼ü1[i]);
+   b.addActionListener(getActionListener());  
+   Arrays.sort(redButton);
+   if(Arrays.binarySearch(redButton, °´¼ü1[i]) >= 0){
+    b.setForeground(Color.red);
+   }else{
+    b.setForeground(Color.blue);
+   }
+   nbutton[i] = b;
+  }
+  return nbutton;
+ }
+JButton[] getMButton(){
+  JButton[] mbutton = new JButton[°´¼ü2.length + 1];
+  mbutton[0] = getButton();
+  for(int i = 0; i < this.°´¼ü2.length; i++){
+   JButton b = new JButton(this.°´¼ü2[i]);
+   b.addActionListener(getActionListener());
+   b.setForeground(Color.red);
+   mbutton[i+1] = b;
+  }
+  return mbutton;
+ }
+ JButton[] getRButton(){
+  JButton[] rbutton = new JButton[°´¼ü3.length];
+  for(int i = 0; i < this.°´¼ü3.length; i++){
+   JButton b = new JButton(this.°´¼ü3[i]);
+   b.addActionListener(getActionListener());
+   b.setForeground(Color.red);
+   rbutton[i] = b;
+  }
+  return rbutton;
+ }
+ JButton getButton(){
+  button = new JButton();
+  return button;
+ }
+ ActionListener getActionListener(){
+  ActionListener actionListener = new ActionListener() {
+   public void actionPerformed(ActionEvent e) {
+    String cmd = e.getActionCommand();
+    String result = null;
+    try {
+     result = service.callMethod(cmd, text.getText());
+    } catch (Exception e2) {
+     System.out.println(e2.getMessage());
+    }
+    if(cmd.indexOf("MC") == 0){
+     button.setText("");
+    }else if(cmd.indexOf("M") == 0){
+     button.setText("M");
+    }
+    if(result != null){
+     text.setText(result);
+    }
+   
+   }
+  }; 
+  return actionListener;
+ }
+ public static void main(String[] args) {
+  new ¼ÆËãÆ÷();
+ }
+}
\ No newline at end of file
-- 
Gitee


From a409657301c8a21c887ac3b878bf873d3146cf70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Fri, 11 Jun 2021 08:51:28 +0800
Subject: [PATCH 5/7] update Mymath.java.

---
 Mymath.java | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Mymath.java b/Mymath.java
index 375d242..93580de 100644
--- a/Mymath.java
+++ b/Mymath.java
@@ -1,27 +1,27 @@
-package ÆÚÄ©×÷Òµ;
+package java2020spring;
 import java.math.BigDecimal;
 public class Mymath {
 static BigDecimal getBigDecimal(double number){
-  return new BigDecimal(number);
+ return new BigDecimal(number);
  }
  public static double add(double num1, double num2) {
   BigDecimal first = getBigDecimal(num1);
   BigDecimal second = getBigDecimal(num2);
   return first.add(second).doubleValue();
- }
+}
  public static double subtract(double num1, double num2) {
   BigDecimal first = getBigDecimal(num1);
   BigDecimal second = getBigDecimal(num2);
   return first.subtract(second).doubleValue();
- } 
+} 
  public static double multiply(double num1, double num2) {
-  BigDecimal first = getBigDecimal(num1);
-  BigDecimal second = getBigDecimal(num2);
+ BigDecimal first = getBigDecimal(num1);
+ BigDecimal second = getBigDecimal(num2);
   return first.multiply(second).doubleValue();
- } 
+} 
  public static double divide(double num1, double num2) {
   BigDecimal first = getBigDecimal(num1);
   BigDecimal second = getBigDecimal(num2);
-  return first.divide(second,3,BigDecimal.ROUND_HALF_UP).doubleValue();
- }
+  return 0;
+}
 }
\ No newline at end of file
-- 
Gitee


From 1e560a12d565ce287425596b58740399c61885ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Fri, 11 Jun 2021 08:53:17 +0800
Subject: [PATCH 6/7] =?UTF-8?q?rename=20=E8=AE=A1=E7=AE=97.java=20to=20JiS?=
 =?UTF-8?q?uan.java.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 "\350\256\241\347\256\227.java" => JiSuan.java | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
 rename "\350\256\241\347\256\227.java" => JiSuan.java (93%)

diff --git "a/\350\256\241\347\256\227.java" b/JiSuan.java
similarity index 93%
rename from "\350\256\241\347\256\227.java"
rename to JiSuan.java
index 3c1eabe..a936eb4 100644
--- "a/\350\256\241\347\256\227.java"
+++ b/JiSuan.java
@@ -1,6 +1,5 @@
-package ÆÚÄ©×÷Òµ;
-
-public class ¼ÆËã {
+package java2020spring;
+public class JiSuan {
  private boolean isSecondNum = false;
  String lastOp;
  String firstNum = "0";
@@ -30,7 +29,6 @@ String opString = "+-*/";
   this.isSecondNum = true;
   return null;
  }
- 
  public String cal(String text, boolean isPercent) {
 	  double secondResult = secondNum == null ? Double.valueOf(text)
     .doubleValue() : Double.valueOf(secondNum).doubleValue();
@@ -49,7 +47,6 @@ String opString = "+-*/";
   }else if (this.lastOp.equals("/")) {
    firstNum = String.valueOf(Mymath.divide(Double.valueOf(firstNum),secondResult));
   }
-  secondNum = secondNum == null ? text :secondNum;
   this.isSecondNum = true;
   return firstNum;
  }
@@ -124,4 +121,4 @@ String opString = "+-*/";
    return mCmd(cmd, text);
   }
  }
-}
+}
\ No newline at end of file
-- 
Gitee


From 21e81ea1130e71471fba19b831f8cbd451a4007e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E5=81=A5=E5=BC=BA?= <1210165995@qq.com>
Date: Fri, 11 Jun 2021 08:54:19 +0800
Subject: [PATCH 7/7] =?UTF-8?q?rename=20=E8=AE=A1=E7=AE=97=E5=99=A8.java?=
 =?UTF-8?q?=20to=20JiSuanQi.java.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...256\227\345\231\250.java" => JiSuanQi.java | 84 +++++++++----------
 1 file changed, 39 insertions(+), 45 deletions(-)
 rename "\350\256\241\347\256\227\345\231\250.java" => JiSuanQi.java (58%)

diff --git "a/\350\256\241\347\256\227\345\231\250.java" b/JiSuanQi.java
similarity index 58%
rename from "\350\256\241\347\256\227\345\231\250.java"
rename to JiSuanQi.java
index f2f7cc1..a10b16b 100644
--- "a/\350\256\241\347\256\227\345\231\250.java"
+++ b/JiSuanQi.java
@@ -1,4 +1,4 @@
-package ÆÚÄ©×÷Òµ;
+package java2020spring;
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Dimension;
@@ -10,28 +10,28 @@ import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
-public class ¼ÆËãÆ÷ extends JFrame {
-  int PRE_WIDTH = 500;
- int PRE_HEIGHT = 400;
+public class JiSuanQi extends JFrame {
+ int PRE_WIDTH = 700;
+ int PRE_HEIGHT = 600;
   JTextField text = null;
  JButton button = null; 
- String[] °´¼ü1 = {"7","8","9","/","sqrt","4","5","6","*","%","1","2","3","-","1/x","0","+/-",".","+","="};
- String[] °´¼ü2 = {"MC","MR","MS","M+"};
- String[] °´¼ü3 = {"Back","CE","C"};
- ¼ÆËã service = new ¼ÆËã();
- public ¼ÆËãÆ÷(){
-  this.setTitle("¼ÆËãÆ÷");
-  this.setSize(PRE_WIDTH, PRE_HEIGHT);
-  this.setLocationRelativeTo(null);
-  this.setResizable(false);
-  JPanel panel = new JPanel();
-  panel.setLayout(new BorderLayout(10,1));
-  panel.add(getTextField(), BorderLayout.NORTH);
-  panel.setPreferredSize(new Dimension(PRE_WIDTH, PRE_HEIGHT));
-  JButton[] mButton = getMButton();
-  JPanel panel1 = new JPanel();
-  panel1.setLayout(new GridLayout(5,1,0,5));
-  for(JButton b : mButton ){
+ String[] 按键1 = {"7","8","9","/","sqrt","4","5","6","*","%","1","2","3","-","1/x","0","+/-",".","+","="};
+ String[] 按键2 = {"MC","MR","MS","M+"};
+ String[] 按键3 = {"Back","CE","C"};
+ JiSuan service = new JiSuan();
+ public JiSuanQi(){
+ this.setTitle("计算器");
+ this.setSize(PRE_WIDTH, PRE_HEIGHT);
+ this.setLocationRelativeTo(null);
+ this.setResizable(false);
+ JPanel panel = new JPanel();
+ panel.setLayout(new BorderLayout(10,1));
+ panel.add(getTextField(), BorderLayout.NORTH);
+ panel.setPreferredSize(new Dimension(PRE_WIDTH, PRE_HEIGHT));
+ JButton[] mButton = getMButton();
+ JPanel panel1 = new JPanel();
+ panel1.setLayout(new GridLayout(5,1,0,5));
+ for(JButton b : mButton ){
    panel1.add(b);
   }
   panel.add(panel1,BorderLayout.WEST);
@@ -44,7 +44,6 @@ public class 
    panel21.add(b);
   }
   panel2.add(panel21,BorderLayout.NORTH);
-  
   JButton[] nButton = getNButton();
   JPanel panel22 = new JPanel();
   panel22.setLayout(new GridLayout(4,5,3,5));
@@ -53,51 +52,47 @@ public class 
   }
   panel2.add(panel22,BorderLayout.CENTER);
   panel.add(panel2,BorderLayout.CENTER);
-  
   this.add(panel);
   this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
   this.setVisible(true);
- 
-  
  }
 JTextField getTextField(){
   text = new JTextField("0",10);
   return text;
  }
-
  JButton[] getNButton(){
   String[] redButton = {"/","*","-","+","="};
-  JButton[] nbutton = new JButton[°´¼ü1.length];
-  for(int i = 0; i < this.°´¼ü1.length; i++){
-   JButton b = new JButton(this.°´¼ü1[i]);
+  JButton[] nbutton = new JButton[按键1.length];
+  for(int i = 0; i < this.按键1.length; i++){
+   JButton b = new JButton(this.按键1[i]);
    b.addActionListener(getActionListener());  
    Arrays.sort(redButton);
-   if(Arrays.binarySearch(redButton, °´¼ü1[i]) >= 0){
-    b.setForeground(Color.red);
+   if(Arrays.binarySearch(redButton, 按键1[i]) >= 0){
+    b.setForeground(Color.black);
    }else{
-    b.setForeground(Color.blue);
-   }
-   nbutton[i] = b;
+    b.setForeground(Color.black);
+  }
+  nbutton[i] = b;
   }
   return nbutton;
  }
 JButton[] getMButton(){
-  JButton[] mbutton = new JButton[°´¼ü2.length + 1];
+  JButton[] mbutton = new JButton[按键2.length + 1];
   mbutton[0] = getButton();
-  for(int i = 0; i < this.°´¼ü2.length; i++){
-   JButton b = new JButton(this.°´¼ü2[i]);
+  for(int i = 0; i < this.按键2.length; i++){
+   JButton b = new JButton(this.按键2[i]);
    b.addActionListener(getActionListener());
-   b.setForeground(Color.red);
+   b.setForeground(Color.black);
    mbutton[i+1] = b;
   }
   return mbutton;
  }
  JButton[] getRButton(){
-  JButton[] rbutton = new JButton[°´¼ü3.length];
-  for(int i = 0; i < this.°´¼ü3.length; i++){
-   JButton b = new JButton(this.°´¼ü3[i]);
+  JButton[] rbutton = new JButton[按键3.length];
+  for(int i = 0; i < this.按键3.length; i++){
+   JButton b = new JButton(this.按键3[i]);
    b.addActionListener(getActionListener());
-   b.setForeground(Color.red);
+   b.setForeground(Color.black);
    rbutton[i] = b;
   }
   return rbutton;
@@ -123,13 +118,12 @@ JButton[] getMButton(){
     }
     if(result != null){
      text.setText(result);
-    }
-   
+    }  
    }
   }; 
   return actionListener;
  }
  public static void main(String[] args) {
-  new ¼ÆËãÆ÷();
+  new JiSuanQi();
  }
 }
\ No newline at end of file
-- 
Gitee