diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..359bb53
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..0548357
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..065cbba
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/new.iml b/.idea/new.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/new.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculator/Calculator.iml b/Calculator/Calculator.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/Calculator/Calculator.iml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculator/src/Calculator.java b/Calculator/src/Calculator.java
new file mode 100644
index 0000000..f701387
--- /dev/null
+++ b/Calculator/src/Calculator.java
@@ -0,0 +1,145 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class Calculator extends JFrame implements ActionListener {
+ private final JTextField textField; // 显示输入和结果的文本框
+ private double result = 0; // 计算结果
+ private String operator = ""; // 运算符
+ private boolean calculating = true; // 是否正在计算中
+
+ public Calculator() {
+ setTitle("计算器");
+
+ // 设置文本字段样式
+ textField = new JTextField("0");
+ textField.setEditable(false);
+ textField.setHorizontalAlignment(JTextField.RIGHT);
+ textField.setFont(new Font("Arial", Font.BOLD, 28));
+ textField.setBackground(new Color(240, 240, 240)); // 设置背景颜色
+ textField.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); // 设置边框
+
+ add(textField, BorderLayout.NORTH);
+
+ JPanel panel = new JPanel();
+ panel.setLayout(new GridLayout(5, 4, 10, 10));
+ panel.setBackground(new Color(220, 220, 220)); // 设置面板背景颜色
+
+ String[] buttons = {
+ "7", "8", "9", "÷",
+ "4", "5", "6", "×",
+ "1", "2", "3", "-",
+ "C", "0", ".", "+",
+ "√", "=", ""
+ };
+
+ for (String text : buttons) {
+ if (!text.isEmpty()) {
+ JButton button = new JButton(text);
+ button.setFont(new Font("Arial", Font.BOLD, 22));
+ button.setFocusPainted(false); // 去掉按钮焦点时的边框
+ button.setBackground(new Color(180, 180, 180)); // 设置按钮背景颜色
+ button.setForeground(Color.BLACK); // 设置按钮文字颜色
+ button.setBorder(BorderFactory.createLineBorder(Color.BLACK, 2)); // 设置按钮边框
+ button.addActionListener(this);
+ panel.add(button);
+ }
+ }
+
+ add(panel, BorderLayout.CENTER);
+
+ // 设置窗口属性
+ setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+ setSize(420, 640); // 稍微增大窗口以适应新的布局和样式
+ setLocationRelativeTo(null);
+ setVisible(true);
+ }
+
+ public void actionPerformed(ActionEvent e) {
+ String command = e.getActionCommand();
+ if ('0' <= command.charAt(0) && command.charAt(0) <= '9' || command.equals(".")) {
+ if (calculating) {
+ textField.setText(command);
+ calculating = false;
+ } else {
+ textField.setText(textField.getText() + command);
+ }
+ } else {
+ switch (command) {
+ case "C":
+ textField.setText("0");
+ operator = "";
+ result = 0;
+ calculating = true;
+ break;
+ case "+":
+ case "-":
+ case "×":
+ case "÷":
+ if (!calculating) {
+ result = Double.parseDouble(textField.getText());
+ operator = command;
+ calculating = true;
+ }
+ break;
+ case "=":
+ if (!calculating) {
+ calculate(Double.parseDouble(textField.getText()));
+ }
+ break;
+ case "√":
+ calculateMathFunction();
+ break;
+ }
+ }
+ }
+
+ private void calculate(double n) {
+ switch (operator) {
+ case "+":
+ result += n;
+ break;
+ case "-":
+ result -= n;
+ break;
+ case "×":
+ result *= n;
+ break;
+ case "÷":
+ if (n != 0) {
+ result /= n;
+ } else {
+ JOptionPane.showMessageDialog(this, "除数不能为0", "错误", JOptionPane.ERROR_MESSAGE);
+ return;
+ }
+ break;
+ }
+ if (result == Math.floor(result)) {
+ textField.setText(String.valueOf((int) result));
+ } else {
+ textField.setText(String.valueOf(result));
+ }
+ operator = "";
+ calculating = true;
+ }
+
+ private void calculateMathFunction() {
+ try {
+ double num = Double.parseDouble(textField.getText());
+ result = Math.sqrt(num);
+ if (result == Math.floor(result)) {
+ textField.setText(String.valueOf((int) result));
+ } else {
+ textField.setText(String.valueOf(result));
+ }
+ } catch (NumberFormatException ex) {
+ JOptionPane.showMessageDialog(this, "请输入一个有效的数字", "错误", JOptionPane.ERROR_MESSAGE);
+ }
+ calculating = true;
+ }
+
+ public static void main(String[] args) {
+ new Calculator();
+ }
+}
\ No newline at end of file
diff --git a/README.md b/README.md
deleted file mode 100644
index e860560..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# new
-