diff --git a/src/java2022spring/Cal.java b/src/java2022spring/Cal.java
new file mode 100644
index 0000000000000000000000000000000000000000..1656f3ce3b681f93520f043fe5d89d5382f13de0
--- /dev/null
+++ b/src/java2022spring/Cal.java
@@ -0,0 +1,10 @@
+package java2022spring;
+
+import javax.swing.JFrame;
+import java.awt.*;
+
+import javax.naming.InitialContext;
+import javax.swing.*;
+public class Cal extends JFrame{
+	
+}
diff --git a/src/java2022spring/CalculatorListener.java b/src/java2022spring/CalculatorListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..2a3d55ea4a4e2fdbc421687c3430667f552d48e8
--- /dev/null
+++ b/src/java2022spring/CalculatorListener.java
@@ -0,0 +1,143 @@
+package java2022spring;
+
+import java.awt.Button;
+import java.awt.Color;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.JButton;
+
+public class CalculatorListener implements ActionListener{
+	CalculatorWindow window;
+	double number1,number2;
+	String fuhao,operator;
+	String Number1,Number2;
+	String Result;
+	String MS;
+	Double ms=0.0;
+
+	public void setWindow(CalculatorWindow window) {
+		this.window=window;
+	}
+	
+	public void actionPerformed(ActionEvent e) {
+		String se="";
+		if(window.jTextField.getText().length()>=1) {//条件参考网络
+		//提取文本框前length-1位字符
+			se=window.jTextField.getText().substring(0, window.jTextField.getText().length()-1);
+		}
+		
+		String ss=e.getActionCommand();
+		if(".0123456789".indexOf(ss)!=-1)//方法参考网络
+				window.jTextField.setText(window.jTextField.getText()+ss);//输入数字
+		else if(ss.equals("+")||ss.equals("-")||ss.equals("*")||ss.equals("/")) {
+			fuhao=ss;
+			Number1=window.jTextField.getText();
+			window.jTextField.setText("");
+		}
+		else if(ss.equals("%")||ss.equals("^2")||ss.equals("√")||ss.equals("1/x")) {
+			fuhao=ss;
+			Number1=window.jTextField.getText();
+		}
+		else if(ss.equals("=")){
+			calculate();//等号则计算
+		}
+		else if(ss.equals("←")) {
+			backspace(se);
+		}
+		else if(ss.equals("CE")) {
+			ce_clear();
+		}
+		else if(ss.equals("C")) {
+			c_clear();
+		}
+		else if(ss.equals("MS")) {
+			ms=Double.parseDouble(window.jTextField.getText());
+			window.jTextField2.setText("M"+"="+ms);//输出储存于提示文本框
+		}
+		else if(ss.equals("MR")) {
+			window.jTextField.setText(String.valueOf(ms));	
+		}
+		else if(ss.equals("M+")) {
+			MS=window.jTextField.getText();
+			ms+=Double.parseDouble(MS);
+			window.jTextField2.setText("M"+"="+ms);
+		}
+		else if(ss.equals("M-")){
+			MS=window.jTextField.getText();
+			ms-=Double.parseDouble(MS);
+			window.jTextField2.setText("M"+"="+ms);
+		}
+		else if(ss.equals("MC")) {
+			ms=0.0;
+			window.jTextField2.setText("");
+		}
+	}
+	
+	void calculate() {
+		Double number1=Double.parseDouble(Number1);
+		Double result=0.0;
+		if(fuhao.equals("+")||fuhao.equals("-")||fuhao.equals("*")||fuhao.equals("/")) {
+			Double number2=Double.parseDouble(window.jTextField.getText());
+			switch (fuhao) {//分支实现不同符号的计算方法
+			case"+":
+				result=number1+number2;
+				break;
+			case"-":
+				result=number1-number2;
+				break;
+			case"*":
+				result=number1*number2;
+				break;
+			case"/":
+				result=number1/number2;
+				if(fuhao.equals("/")) {//除数不为0处理
+					if(number2==0) {
+					window.jTextField2.setText("除数不能为0!");
+			}
+		}
+				break;
+			default:window.jTextField.setText("请输入正确的数据!");
+			}
+		}
+		else if(fuhao.equals("%")||fuhao.equals("^2")||fuhao.equals("√")||fuhao.equals("1/x")) {
+			switch(fuhao) {//分支实现不同符号的计算方法
+			case"%":
+				result=number1/100;
+				break;
+			case"x^2":
+				result=number1*number1;
+				break;
+			case"√":
+				result=Math.sqrt(number1);
+				break;
+			case"1/x":
+				result=1/number1;
+				if(fuhao.equals("1/x")) {//分母不为0处理
+					if (number1==0) {
+						window.jTextField2.setText("倒数分母不能为0!");
+			}
+		}
+				break;
+			default:window.jTextField.setText("请输入正确的数据!");
+			}	
+		}
+		
+		String Result=String.valueOf(result);//将double型转化成String型
+		window.jTextField.setText(Result);//输出结果
+	}
+
+	public void ce_clear() {//CE方法
+		window.jTextField.setText("");
+	}
+	
+	public void c_clear() {//C方法
+		window.jTextField.setText("");
+		window.jTextField2.setText("");
+		ms=0.0;
+	}
+	
+	public void backspace(String se) {//退位方法
+		window.jTextField.setText(se);
+	}
+}
+
diff --git a/src/java2022spring/CalculatorWindow.java b/src/java2022spring/CalculatorWindow.java
new file mode 100644
index 0000000000000000000000000000000000000000..25babba0fc458cb6a9a47060b0d0c98856d74108
--- /dev/null
+++ b/src/java2022spring/CalculatorWindow.java
@@ -0,0 +1,111 @@
+package java2022spring;
+
+import java.awt.*;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JTabbedPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+
+public class CalculatorWindow extends JFrame{
+	JTextField jTextField=new JTextField(20);//创建文本框，显示数据的输入与输出
+	JTextField jTextField2=new JTextField(10);//创建文本框，输出提示
+	Panel panel1;//用于放置按钮
+	Panel panel2;//用于放置显示文本框和提示文本框
+	Panel panelCenter;//用于放置数字与符号按钮
+	Panel panelNorth;//用于放置清除按钮
+	Panel panelWest;//用于放置功能按钮
+	CalculatorListener listener;
+	
+//创建数字键0-9、符号和小数点键
+	String  Keys[]= {"1/x","1","2","3","+","%","4","5","6","-","^2","7","8","9","*","√",".","0","=","/"};
+	JButton jb[]=new JButton[Keys.length];
+//创建清除键
+	String qcKeys[]= {"←","C","CE"};
+	JButton qcjb[]=new JButton[qcKeys.length];
+//创建功能键	
+	String gnKeys[]= {"MC","MR","MS","M+","M-"};
+	JButton gnjb[]=new JButton[gnKeys.length];
+	
+	public CalculatorWindow() {
+		setVisible(true);//设置窗口可见
+		setBounds(500,200,500,400);//设置窗口位置和大小
+		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);//设置窗口关闭形式
+		setResizable(false);//固定窗口大小
+		setBackground(Color.gray);
+		tjsz();
+		tjjtq();
+	}
+	
+	void tjjtq() {//将button添加为事件源
+		listener=new CalculatorListener();
+		listener.setWindow(this);
+		for (int i = 0; i < jb.length; i++) {
+			jb[i].addActionListener(listener);
+		}
+		for (int i = 0; i < qcjb.length; i++) {
+			qcjb[i].addActionListener(listener);
+		}
+		for (int i = 0; i < gnjb.length; i++) {
+			gnjb[i].addActionListener(listener);
+		}
+		
+	}
+	
+	void tjsz() {
+//添加面板1，用于放置数字和清除按钮
+		panel1=new Panel();
+		panel1.setLayout(new BorderLayout());
+		add(panel1,BorderLayout.CENTER);//位于窗口中心
+		panel1.setPreferredSize(new Dimension(350,300));//设置大小
+//添加面板2，用于放置显示文本框和提示文本框
+		panel2=new Panel();
+		panel2.setLayout(new BorderLayout());
+		add(panel2,BorderLayout.NORTH);//位于窗口北面
+		panel2.add(jTextField,BorderLayout.CENTER);//显示文本框
+		panel2.add(jTextField2,BorderLayout.NORTH);//提示文本框
+		panel2.setPreferredSize(new Dimension(500,90));//设置大小
+		jTextField.setPreferredSize(new Dimension(500,40));
+		jTextField2.setPreferredSize(new Dimension(500,40));
+		jTextField.setHorizontalAlignment(jTextField.RIGHT);//显示文本框右对齐
+		jTextField.setFont(new Font("宋体", Font.BOLD, 30));//设置字体
+		jTextField2.setHorizontalAlignment(jTextField.RIGHT);//提示文本框右对齐
+		jTextField2.setFont(new Font("微软雅黑", Font.BOLD, 13));//设置字体
+//西面面板，放置功能按钮
+		panelWest=new Panel();
+		panelWest.setLayout(new GridLayout(5,1));
+		add(panelWest,BorderLayout.WEST);//位于窗口西面
+		panelWest.setPreferredSize(new Dimension(80,300));
+		for(int i=0;i<gnKeys.length;i++) {
+			gnjb[i]=new JButton(gnKeys[i]);
+			panelWest.add(gnjb[i]);
+			gnjb[i].setBackground(Color.lightGray);//设置颜色为浅灰色
+			gnjb[i].setPreferredSize(new Dimension(40,40));
+			gnjb[i].setFont(new Font("微软雅黑", Font.BOLD, 15));
+		}
+//中心面板，放置数据与计算按钮
+		panelCenter=new Panel();
+		panelCenter.setLayout(new GridLayout(4,5));
+		panel1.add(panelCenter,BorderLayout.CENTER);//位于面板1中心
+		panelCenter.setPreferredSize(new Dimension(200,80));
+		for(int i=0;i<Keys.length;i++) {
+			jb[i]=new JButton(Keys[i]);
+			panelCenter.add(jb[i]);
+			jb[i].setBackground(Color.white);//颜色为白色
+			jb[i].setPreferredSize(new Dimension(20,10));
+			jb[i].setFont(new Font("微软雅黑", Font.BOLD, 15));
+		}
+//北面面板，放置清除按钮	
+		panelNorth=new Panel();
+		panelNorth.setLayout(new GridLayout(1,3));
+		panel1.add(panelNorth,BorderLayout.NORTH);//位于面板1北面
+		for(int i=0;i<qcKeys.length;i++) {
+			qcjb[i]=new JButton(qcKeys[i]);
+			panelNorth.add(qcjb[i]);
+			qcjb[i].setBackground(Color.pink);//颜色为粉色
+			qcjb[i].setPreferredSize(new Dimension(20,30));
+			qcjb[i].setFont(new Font("微软雅黑", Font.BOLD, 15));
+		}
+	}
+}
diff --git a/src/java2022spring/TPanel.java b/src/java2022spring/TPanel.java
new file mode 100644
index 0000000000000000000000000000000000000000..6f93f5a7f514329de6534eef4f7aefa73eda8cac
--- /dev/null
+++ b/src/java2022spring/TPanel.java
@@ -0,0 +1,75 @@
+package java2022spring;
+import java.awt.*;
+import java.awt.BorderLayout;
+import java.awt.GridLayout;
+import java.awt.Panel;
+import javax.swing.JButton;
+import javax.swing.JPanel;
+import javax.swing.JTabbedPane;
+import javax.swing.JTextField;
+
+public class TPanel extends JPanel{
+	Panel panel1,panel2;
+	JTabbedPane p1;
+	JTabbedPane p2;
+	
+	JTextField jTextField=new JTextField(10);
+	
+	String str1=new String("+");
+	String str2=new String("-");
+	String str3=new String("*");
+	String str4=new String("/");
+	String fuhao;
+//创建数字键1-9
+	JButton jButton0=new JButton("0");
+	JButton jButton1=new JButton("1");
+	JButton jButton2=new JButton("2");
+	JButton jButton3=new JButton("3");
+	JButton jButton4=new JButton("4");
+	JButton jButton5=new JButton("5");
+	JButton jButton6=new JButton("6");
+	JButton jButton7=new JButton("7");
+	JButton jButton8=new JButton("8");
+	JButton jButton9=new JButton("9");
+//创建符号与小数点键
+	JButton jButton_jia=new JButton("+");
+	JButton jButton_jian=new JButton("-");
+	JButton jButton_cheng=new JButton("*");
+	JButton jButton_chu=new JButton("/");
+	JButton jButton_denyu=new JButton("=");
+	JButton jButton_dian=new JButton(".");
+	public TPanel() {
+		panel1=new Panel();
+		panel1.setLayout(new GridLayout(5,6,10,10));
+		panel2=new Panel();
+		p1=new JTabbedPane();
+		p2=new JTabbedPane();
+		p1.add("计算器",panel1);
+		p2.add("面积", panel2);
+		add(p1,panel1);
+		add(p2,panel2);
+		
+		
+		panel1.add(jTextField,BorderLayout.NORTH);
+		
+		panel1.add(jButton0);
+		panel1.add(jButton1);
+		panel1.add(jButton2);
+		panel1.add(jButton3);
+		panel1.add(jButton4);
+		panel1.add(jButton5);
+		panel1.add(jButton6);
+		panel1.add(jButton7);
+		panel1.add(jButton8);
+		panel1.add(jButton9);
+		panel1.add(jButton_jia);
+		panel1.add(jButton_jian);
+		panel1.add(jButton_cheng);
+		panel1.add(jButton_chu);
+		panel1.add(jButton_denyu);
+		panel1.add(jButton_dian);
+	}
+	public void setFuhao(String str) {
+		fuhao=str;
+	}
+}
diff --git a/src/java2022spring/calculator.java b/src/java2022spring/calculator.java
new file mode 100644
index 0000000000000000000000000000000000000000..e945465295f8a25b95bb93b143947bef6070a1d0
--- /dev/null
+++ b/src/java2022spring/calculator.java
@@ -0,0 +1,12 @@
+package java2022spring;
+
+import java.awt.BorderLayout;
+import java.awt.Container;
+import javax.swing.JFrame;
+
+public class calculator {
+	public static void main(String[] agrs) {
+		CalculatorWindow window=new CalculatorWindow();
+		window.setTitle("计算器");
+	}
+}