进制转换

.gitignore

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+### 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

.idea/.gitignore

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+# 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

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/test shift.iml" filepath="$PROJECT_DIR$/test shift.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

src/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}

src/shift6247.java

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+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.scene.Scene;
+import javafx.scene.control.*;
+import javafx.scene.layout.GridPane;
+import javafx.stage.Stage;
+
+public class shift6247 extends Application {
+
+    @Override
+    public void start(Stage primaryStage) {
+        primaryStage.setTitle("进制转换器");
+
+        // 创建布局
+        GridPane grid = new GridPane();
+        grid.setPadding(new Insets(10));
+        grid.setVgap(8);
+        grid.setHgap(10);
+
+        // 输入框
+        Label inputLabel = new Label("输入数值:");
+        GridPane.setConstraints(inputLabel, 0, 0);
+        TextField inputField = new TextField();
+        GridPane.setConstraints(inputField, 1, 0);
+
+        // 源进制选择
+        Label fromBaseLabel = new Label("源进制:");
+        GridPane.setConstraints(fromBaseLabel, 0, 1);
+        ComboBox<Integer> fromBaseCombo = new ComboBox<>();
+        fromBaseCombo.getItems().addAll(2, 10, 16);
+        fromBaseCombo.setValue(10); // 默认选择十进制
+        GridPane.setConstraints(fromBaseCombo, 1, 1);
+
+        // 目标进制选择
+        Label toBaseLabel = new Label("目标进制:");
+        GridPane.setConstraints(toBaseLabel, 0, 2);
+        ComboBox<Integer> toBaseCombo = new ComboBox<>();
+        toBaseCombo.getItems().addAll(2, 10, 16);
+        toBaseCombo.setValue(10); // 默认选择十进制
+        GridPane.setConstraints(toBaseCombo, 1, 2);
+
+        // 转换按钮
+        Button convertButton = new Button("转换");
+        GridPane.setConstraints(convertButton, 1, 3);
+
+        // 输出框
+        Label resultLabel = new Label("结果:");
+        GridPane.setConstraints(resultLabel, 0, 4);
+        TextField resultField = new TextField();
+        resultField.setEditable(false);
+        GridPane.setConstraints(resultField, 1, 4);
+
+        // 处理转换逻辑
+        convertButton.setOnAction(e -> {
+            String input = inputField.getText();
+            int fromBase = fromBaseCombo.getValue();
+            int toBase = toBaseCombo.getValue();
+            String result = convertBase(input, fromBase, toBase);
+            resultField.setText(result);
+        });
+
+        // 添加所有控件到布局
+        grid.getChildren().addAll(inputLabel, inputField, fromBaseLabel, fromBaseCombo,
+                toBaseLabel, toBaseCombo, convertButton, resultLabel, resultField);
+
+        // 创建场景并显示
+        Scene scene = new Scene(grid, 400, 200);
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    private String convertBase(String value, int fromBase, int toBase) {
+        try {
+            // 将输入值从源进制转换为十进制
+            int decimalValue = Integer.parseInt(value, fromBase);
+            // 将十进制转换为目标进制
+            return Integer.toString(decimalValue, toBase).toUpperCase();
+        } catch (NumberFormatException e) {
+            return "输入无效";
+        }
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}

test shift.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>