diff --git a/Calculater/.gitignore b/Calculater/.gitignore
new file mode 100644
index 0000000..f68d109
--- /dev/null
+++ b/Calculater/.gitignore
@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/Calculater/.idea/.gitignore b/Calculater/.idea/.gitignore
new file mode 100644
index 0000000..35410ca
--- /dev/null
+++ b/Calculater/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/Calculater/.idea/.name b/Calculater/.idea/.name
new file mode 100644
index 0000000..def5595
--- /dev/null
+++ b/Calculater/.idea/.name
@@ -0,0 +1 @@
+Calculater.java
\ No newline at end of file
diff --git a/Calculater/.idea/misc.xml b/Calculater/.idea/misc.xml
new file mode 100644
index 0000000..0548357
--- /dev/null
+++ b/Calculater/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculater/.idea/modules.xml b/Calculater/.idea/modules.xml
new file mode 100644
index 0000000..c239d47
--- /dev/null
+++ b/Calculater/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculater/.idea/vcs.xml b/Calculater/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/Calculater/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculater/Calculater.iml b/Calculater/Calculater.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/Calculater/Calculater.iml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Calculater/src/Calculater.java b/Calculater/src/Calculater.java
new file mode 100644
index 0000000..75c0461
--- /dev/null
+++ b/Calculater/src/Calculater.java
@@ -0,0 +1,153 @@
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.layout.GridPane;
+import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
+public class Calculater extends Application {
+ private Label display;
+ private double firstNumber = 0;
+ private String operator = "";
+ private boolean startNewNumber = true;
+
+ public static void main(String[] args) {
+ launch(args);
+ }
+
+ @Override
+ public void start(Stage primaryStage) {
+ // Create display label
+ display = new Label("0.0");
+ display.setStyle("-fx-font-size: 30px;");
+ display.setMinWidth(200); // Adjust width for display
+ display.setAlignment(Pos.CENTER_RIGHT); // Align text to the right
+
+ // Set up the buttons
+ GridPane gridPane = createButtonGrid();
+
+ // Create the layout
+ VBox layout = new VBox(10);
+ layout.setPadding(new Insets(10));
+ layout.setAlignment(Pos.CENTER);
+ layout.getChildren().addAll(display, gridPane);
+
+ // Set up the scene and stage
+ Scene scene = new Scene(layout, 300, 400);
+ primaryStage.setTitle("Calculator");
+ primaryStage.setScene(scene);
+ primaryStage.show();
+ }
+
+ private GridPane createButtonGrid() {
+ GridPane grid = new GridPane();
+ grid.setHgap(10);
+ grid.setVgap(10);
+ grid.setAlignment(Pos.CENTER);
+
+ // Create buttons with a similar layout to your screenshot
+ String[][] buttonText = {
+ {"AC", "±", "%", "÷"},
+ {"7", "8", "9", "×"},
+ {"4", "5", "6", "-"},
+ {"1", "2", "3", "+"},
+ {"0", ".", "=", ""}
+ };
+
+ // Set button size
+ int buttonSize = 50;
+
+ // Add buttons to the grid
+ int row = 0;
+ for (int i = 0; i < buttonText.length; i++) {
+ for (int j = 0; j < buttonText[i].length; j++) {
+ if (!buttonText[i][j].isEmpty()) {
+ Button button = createButton(buttonText[i][j], buttonSize);
+ if (buttonText[i][j].equals("0")) {
+ grid.add(button, j, row, 2, 1); // Make '0' span two columns
+ } else {
+ grid.add(button, j, row);
+ }
+ }
+ }
+ row++;
+ }
+
+ return grid;
+ }
+
+ private Button createButton(String text, int size) {
+ Button button = new Button(text);
+ button.setMinSize(size, size);
+ button.setStyle("-fx-font-size: 18px; -fx-background-color: white; -fx-border-color: lightgray;");
+ button.setOnAction(e -> handleButtonPress(text));
+ return button;
+ }
+
+ private void handleButtonPress(String text) {
+ if (text.matches("\\d") || text.equals(".")) {
+ handleNumberInput(text);
+ } else if (text.equals("AC")) {
+ handleClear();
+ } else if (text.equals("=")) {
+ handleEquals();
+ } else {
+ handleOperator(text);
+ }
+ }
+
+ private void handleNumberInput(String text) {
+ if (startNewNumber) {
+ display.setText(text);
+ startNewNumber = false;
+ } else {
+ display.setText(display.getText() + text);
+ }
+ }
+
+ private void handleClear() {
+ display.setText("0");
+ firstNumber = 0;
+ operator = "";
+ startNewNumber = true;
+ }
+
+ private void handleOperator(String text) {
+ firstNumber = Double.parseDouble(display.getText());
+ operator = text;
+ startNewNumber = true;
+ }
+
+ private void handleEquals() {
+ double secondNumber = Double.parseDouble(display.getText());
+ double result = 0;
+
+ switch (operator) {
+ case "+":
+ result = firstNumber + secondNumber;
+ break;
+ case "-":
+ result = firstNumber - secondNumber;
+ break;
+ case "×":
+ result = firstNumber * secondNumber;
+ break;
+ case "÷":
+ if (secondNumber != 0) {
+ result = firstNumber / secondNumber;
+ } else {
+ display.setText("Error");
+ return;
+ }
+ break;
+ case "%":
+ result = firstNumber % secondNumber;
+ break;
+ }
+
+ display.setText(String.valueOf(result));
+ startNewNumber = true;
+ }
+}
\ No newline at end of file
diff --git a/Calculater/src/Main.java b/Calculater/src/Main.java
new file mode 100644
index 0000000..1e87232
--- /dev/null
+++ b/Calculater/src/Main.java
@@ -0,0 +1,17 @@
+// 按两次 Shift 打开“随处搜索”对话框并输入 `show whitespaces`，
+// 然后按 Enter 键。现在，您可以在代码中看到空格字符。
+public class Main {
+ public static void main(String[] args) {
+ // 当文本光标位于高亮显示的文本处时按 Alt+Enter，
+ // 可查看 IntelliJ IDEA 对于如何修正该问题的建议。
+ System.out.printf("Hello and welcome!");
+
+ // 按 Shift+F10 或点击装订区域中的绿色箭头按钮以运行脚本。
+ for (int i = 1; i <= 5; i++) {
+
+ // 按 Shift+F9 开始调试代码。我们已为您设置了一个断点，
+ // 但您始终可以通过按 Ctrl+F8 添加更多断点。
+ System.out.println("i = " + i);
+ }
+ }
+}
\ No newline at end of file