实现带行标的textarea

(未隐藏滚动条)

.gitignore

@@ -38,3 +38,4 @@ build/
 .DS_Store
 /JNotepad/
 /src/main/JNotepad.java
+/.idea/

src/main/java/module-info.java

@@ -11,4 +11,5 @@ module org.jcnc.jnotepad {
     exports org.jcnc.jnotepad.view.init;
     exports org.jcnc.jnotepad.view.manager;
     exports org.jcnc.jnotepad.constants;
+    exports org.jcnc.jnotepad.ui;
 }

src/main/java/org/jcnc/jnotepad/Interface/ControllerInterface.java

@@ -2,7 +2,7 @@ package org.jcnc.jnotepad.Interface;
 
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-import javafx.scene.control.TextArea;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 
 import java.io.File;
 import java.util.List;
@@ -18,7 +18,7 @@ public interface ControllerInterface {
      * @param rawParameters 原始参数列表
      * @return 创建的 TextArea
      */
-    TextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters);
+    LineNumberTextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters);
 
     /**
      * 获取换行符处理事件处理程序
@@ -26,7 +26,7 @@ public interface ControllerInterface {
      * @param textArea 文本区域
      * @return 换行符处理事件处理程序
      */
-    EventHandler<ActionEvent> getLineFeedEventHandler(TextArea textArea);
+    EventHandler<ActionEvent> getLineFeedEventHandler(LineNumberTextArea textArea);
 
     /**
      * 获取新建文件处理事件处理程序
@@ -34,7 +34,7 @@ public interface ControllerInterface {
      * @param textArea 文本区域
      * @return 新建文件处理事件处理程序
      */
-    EventHandler<ActionEvent> getNewFileEventHandler(TextArea textArea);
+    EventHandler<ActionEvent> getNewFileEventHandler(LineNumberTextArea textArea);
 
     /**
      * 获取打开文件处理事件处理程序
@@ -56,14 +56,14 @@ public interface ControllerInterface {
      *
      * @param textArea 文本区域
      */
-    void autoSave(TextArea textArea);
+    void autoSave(LineNumberTextArea textArea);
 
     /**
      * 更新状态标签
      *
      * @param textArea 文本区域
      */
-    void updateStatusLabel(TextArea textArea);
+    void updateStatusLabel(LineNumberTextArea textArea);
 
     /**
      * 打开关联文件
@@ -109,5 +109,5 @@ public interface ControllerInterface {
      */
     void initTabPane();
 
-    void updateUIWithNewTextArea(TextArea textArea);
+    void updateUIWithNewTextArea(LineNumberTextArea textArea);
 }

src/main/java/org/jcnc/jnotepad/LunchApp.java

@@ -4,13 +4,13 @@ import atlantafx.base.theme.PrimerLight;
 import javafx.application.Application;
 import javafx.application.Platform;
 import javafx.scene.Scene;
-import javafx.scene.control.Tab;
-import javafx.scene.control.TextArea;
+
 import javafx.scene.image.Image;
 import javafx.scene.layout.Pane;
 import javafx.stage.Stage;
 import org.jcnc.jnotepad.constants.Constants;
 import org.jcnc.jnotepad.controller.manager.Controller;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.view.init.View;
 import org.jcnc.jnotepad.view.manager.ViewManager;
 
@@ -23,6 +23,7 @@ public class LunchApp extends Application {
     private static final ExecutorService threadPool = Executors.newCachedThreadPool();
     public static boolean isRelevance = true;
 
+    Scene scene;
     Controller controller = new Controller();
 
     View view;
@@ -30,23 +31,24 @@ public class LunchApp extends Application {
     @Override
     public void start(Stage primaryStage) {
 
-        view =new View();
+        view = new View();
 
         Pane root = new Pane();
 
+
         double width = Constants.SCREEN_WIDTH;
         double length = Constants.SCREEN_LENGTH;
         String name = Constants.APP_NAME;
         String icon = Constants.APP_ICON;
 
-        Scene scene = new Scene(root, width, length);
-
+        scene = new Scene(root, width, length);
         Application.setUserAgentStylesheet(new PrimerLight().getUserAgentStylesheet());
 
         primaryStage.setTitle(name);
         primaryStage.setWidth(width);
         primaryStage.setHeight(length);
         primaryStage.setScene(scene);
+
         primaryStage.getIcons().add(new Image(Objects.requireNonNull(getClass().getResource(icon)).toString()));
         primaryStage.show();
         ViewManager viewManager = ViewManager.getInstance(scene);
@@ -58,15 +60,17 @@ public class LunchApp extends Application {
         view.initShortcutKey();
 
         if (isRelevance) {
+
             // 使用线程池加载关联文件并创建文本区域
             List<String> rawParameters = getParameters().getRaw();
             threadPool.execute(() -> {
-                TextArea textArea = controller.openAssociatedFileAndCreateTextArea(rawParameters);
+                LineNumberTextArea textArea = controller.openAssociatedFileAndCreateTextArea(rawParameters);
                 if (!Objects.isNull(textArea)) {
                     Platform.runLater(() -> controller.updateUIWithNewTextArea(textArea));
                 }
             });
         }
+
     }
 
     @Override

src/main/java/org/jcnc/jnotepad/controller/event/handler/LineFeed.java

@@ -2,7 +2,7 @@ package org.jcnc.jnotepad.controller.event.handler;
 
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-import javafx.scene.control.TextArea;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 
 /**
  * 换行程序。
@@ -10,13 +10,13 @@ import javafx.scene.control.TextArea;
  * 用于在文本区域中插入一个换行符。
  */
 public class LineFeed implements EventHandler<ActionEvent> {
-    private final TextArea textArea;
+    private final LineNumberTextArea textArea;
 
     /**
      * 构造函数，初始化 LineFeed 对象。
      * @param textArea 要操作的文本区域
      */
-    public LineFeed(TextArea textArea) {
+    public LineFeed(LineNumberTextArea textArea) {
         this.textArea = textArea;
     }
 
@@ -26,7 +26,7 @@ public class LineFeed implements EventHandler<ActionEvent> {
      */
     @Override
     public void handle(ActionEvent event) {
-        String text = textArea.getText();
-        textArea.setText(text + "\n");
+        String text = textArea.getMainTextArea().getText();
+        textArea.getMainTextArea().setText(text + "\n");
     }
 }

src/main/java/org/jcnc/jnotepad/controller/event/handler/NewFile.java

@@ -3,10 +3,12 @@ package org.jcnc.jnotepad.controller.event.handler;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
-import javafx.scene.control.TextArea;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.view.manager.ViewManager;
 
+import java.util.Objects;
+
 import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
 
 /**
@@ -25,15 +27,21 @@ public class NewFile implements EventHandler<ActionEvent> {
         // 获取控制器
         Controller controller = new Controller();
 
+        LineNumberTextArea lineNumberTextArea = new LineNumberTextArea();
+
+
         // 创建一个新的文本编辑区
-        TextArea textArea = new TextArea();
+        LineNumberTextArea textArea = new LineNumberTextArea();
+
+
         textArea.setStyle(
-                "-fx-border-color:white;" +
-                        "-fx-background-color:white"
+                "-fx-border-color:white ;-fx-background-color:white;"
         );
+
+
         // 创建一个新的Tab页
         Tab tab = new Tab("新建文本 " + ++ViewManager.tabIndex);
-        tab.setContent(textArea);
+        tab.setContent(lineNumberTextArea.getMainTextArea());
 
         // 将Tab页添加到TabPane中
         tabPane.getTabs().add(tab);
@@ -42,9 +50,9 @@ public class NewFile implements EventHandler<ActionEvent> {
         tabPane.getSelectionModel().select(tab);
 
         // 更新状态标签
-        controller.updateStatusLabel(textArea);
+        controller.updateStatusLabel(lineNumberTextArea);
 
         // 更新编码信息
-        controller.upDateEncodingLabel(textArea.getText());
+        controller.upDateEncodingLabel(lineNumberTextArea.getMainTextArea().getText());
     }
 }

src/main/java/org/jcnc/jnotepad/controller/event/handler/OpenFile.java

@@ -3,8 +3,9 @@ package org.jcnc.jnotepad.controller.event.handler;
 import javafx.concurrent.Task;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-import javafx.scene.control.TextArea;
+
 import javafx.stage.FileChooser;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
 
 import java.io.File;
@@ -38,7 +39,7 @@ public class OpenFile implements EventHandler<ActionEvent> {
                     // 调用控制器的getText方法，读取文件内容
                     controller.getText(file);
                     // 更新编码标签
-                    controller.upDateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText());
+                    controller.upDateEncodingLabel(((LineNumberTextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getMainTextArea().getText());
                     return null;
                 }
             };

src/main/java/org/jcnc/jnotepad/controller/event/handler/SaveAsFile.java

@@ -3,9 +3,8 @@ package org.jcnc.jnotepad.controller.event.handler;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
-import javafx.scene.control.TextArea;
 import javafx.stage.FileChooser;
-import org.jcnc.jnotepad.controller.manager.Controller;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 
 import java.io.BufferedWriter;
 import java.io.File;
@@ -39,8 +38,8 @@ public class SaveAsFile implements EventHandler<ActionEvent> {
             if (file != null) {
                 try {
                     BufferedWriter writer = new BufferedWriter(new FileWriter(file));
-                    TextArea textArea = (TextArea) selectedTab.getContent(); // 获取当前Tab页的文本编辑区
-                    String text = textArea.getText();
+                    LineNumberTextArea textArea = (LineNumberTextArea) selectedTab.getContent(); // 获取当前Tab页的文本编辑区
+                    String text = textArea.getMainTextArea().getText();
                     writer.write(text); // 写入文件内容
                     writer.flush();
                     writer.close();

src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java

@@ -5,10 +5,9 @@ import javafx.concurrent.Task;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
-import javafx.scene.control.TextArea;
-import javafx.scene.paint.Color;
-import javafx.scene.shape.Rectangle;
+
 import org.jcnc.jnotepad.Interface.ControllerInterface;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.LunchApp;
 import org.jcnc.jnotepad.controller.event.handler.LineFeed;
 import org.jcnc.jnotepad.controller.event.handler.NewFile;
@@ -33,13 +32,13 @@ public class Controller implements ControllerInterface {
      * @return 创建的文本区域
      */
     @Override
-    public TextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters) {
+    public LineNumberTextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters) {
         if (!rawParameters.isEmpty()) {
             String filePath = rawParameters.get(0);
             openAssociatedFile(filePath);
             return null;
         } else {
-            TextArea textArea = createNewTextArea();
+            LineNumberTextArea textArea = createNewTextArea();
             configureTextArea(textArea);
             return textArea;
         }
@@ -52,7 +51,7 @@ public class Controller implements ControllerInterface {
      * @return 行分隔事件处理程序
      */
     @Override
-    public EventHandler<ActionEvent> getLineFeedEventHandler(TextArea textArea) {
+    public EventHandler<ActionEvent> getLineFeedEventHandler(LineNumberTextArea textArea) {
         return new LineFeed(textArea);
     }
 
@@ -63,7 +62,7 @@ public class Controller implements ControllerInterface {
      * @return 新建文件事件处理程序
      */
     @Override
-    public EventHandler<ActionEvent> getNewFileEventHandler(TextArea textArea) {
+    public EventHandler<ActionEvent> getNewFileEventHandler(LineNumberTextArea textArea) {
         return new NewFile();
     }
 
@@ -83,7 +82,7 @@ public class Controller implements ControllerInterface {
      * @param textArea 文本区域
      */
     @Override
-    public void autoSave(TextArea textArea) {
+    public void autoSave(LineNumberTextArea textArea) {
         textArea.textProperty().addListener((observable, oldValue, newValue) -> {
             Tab tab = ViewManager.tabPane.getSelectionModel().getSelectedItem();
             if (tab != null) {
@@ -116,11 +115,11 @@ public class Controller implements ControllerInterface {
      * @param textArea 文本区域
      */
     @Override
-    public void updateStatusLabel(TextArea textArea) {
-        int caretPosition = textArea.getCaretPosition();
-        int row = getRow(caretPosition, textArea.getText());
-        int column = getColumn(caretPosition, textArea.getText());
-        int length = textArea.getLength();
+    public void updateStatusLabel(LineNumberTextArea textArea) {
+        int caretPosition = textArea.getMainTextArea().getCaretPosition();
+        int row = getRow(caretPosition, textArea.getMainTextArea().getText());
+        int column = getColumn(caretPosition, textArea.getMainTextArea().getText());
+        int length = textArea.getMainTextArea().getLength();
         ViewManager.statusLabel.setText("行: " + row + " \t列: " + column + " \t字数: " + length);
     }
 
@@ -145,7 +144,7 @@ public class Controller implements ControllerInterface {
      */
     @Override
     public void getText(File file) {
-        TextArea textArea = createNewTextArea();
+        LineNumberTextArea textArea = createNewTextArea();
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
             StringBuilder textBuilder = new StringBuilder();
             String line;
@@ -155,7 +154,7 @@ public class Controller implements ControllerInterface {
             String text = textBuilder.toString();
 
             Platform.runLater(() -> {
-                textArea.setText(text);
+                textArea.getMainTextArea().setText(text);
 
                 Tab tab = createNewTab(file.getName(), textArea);
                 tab.setUserData(file);
@@ -224,22 +223,22 @@ public class Controller implements ControllerInterface {
         ViewManager.tabPane.getSelectionModel().selectedItemProperty().addListener((observable, oldTab, newTab) -> {
             if (newTab != null) {
                 // 获取新选定的标签页并关联的文本区域
-                TextArea textArea = (TextArea) newTab.getContent();
+                LineNumberTextArea textArea = (LineNumberTextArea) newTab.getContent();
 
                 // 更新状态标签
                 controller.updateStatusLabel(textArea);
 
                 // 监听文本光标位置的变化，更新状态标签
-                textArea.caretPositionProperty().addListener((caretObservable, oldPosition, newPosition) -> controller.updateStatusLabel(textArea));
+                textArea.getMainTextArea().caretPositionProperty().addListener((caretObservable, oldPosition, newPosition) -> controller.updateStatusLabel(textArea));
 
                 // 更新编码标签
-                controller.upDateEncodingLabel(textArea.getText());
+                controller.upDateEncodingLabel(textArea.getMainTextArea().getText());
             }
         });
     }
 
     @Override
-    public void updateUIWithNewTextArea(TextArea textArea) {
+    public void updateUIWithNewTextArea(LineNumberTextArea textArea) {
         Tab tab = new Tab("新建文件 " + (++ViewManager.tabIndex));
         tab.setContent(textArea);
         ViewManager.tabPane.getTabs().add(tab);
@@ -252,9 +251,9 @@ public class Controller implements ControllerInterface {
      *
      * @param textArea 文本区域
      */
-    private void configureTextArea(TextArea textArea) {
-        textArea.setWrapText(true);
-        upDateEncodingLabel(textArea.getText());
+    private void configureTextArea(LineNumberTextArea textArea) {
+        textArea.getMainTextArea().setWrapText(true);
+        upDateEncodingLabel(textArea.getMainTextArea().getText());
         updateStatusLabel(textArea);
 
         textArea.textProperty().addListener((observable, oldValue, newValue) -> updateStatusLabel(textArea));
@@ -267,8 +266,8 @@ public class Controller implements ControllerInterface {
      *
      * @return 新的文本区域
      */
-    private TextArea createNewTextArea() {
-        TextArea textArea = new TextArea();
+    private LineNumberTextArea createNewTextArea() {
+        LineNumberTextArea textArea = new LineNumberTextArea();
         textArea.setStyle(
                 "-fx-border-color:white;" +
                 "-fx-background-color:white"
@@ -283,7 +282,7 @@ public class Controller implements ControllerInterface {
      * @param textArea 文本区域
      * @return 新的标签页
      */
-    private Tab createNewTab(String tabName, TextArea textArea) {
+    private Tab createNewTab(String tabName, LineNumberTextArea textArea) {
         Tab tab = new Tab(tabName);
         tab.setContent(textArea);
         tab.setUserData(null);
@@ -297,12 +296,12 @@ public class Controller implements ControllerInterface {
      * @return 打开文件的任务
      */
     private Task<Void> createOpenFileTask(File file) {
-        TextArea textArea = createNewTextArea();
+        LineNumberTextArea textArea = createNewTextArea();
         return new Task<>() {
             @Override
             protected Void call() {
                 getText(file);
-                upDateEncodingLabel(textArea.getText());
+                upDateEncodingLabel(textArea.getMainTextArea().getText());
                 return null;
             }
         };

src/main/java/org/jcnc/jnotepad/tool/EncodingDetector.java

@@ -1,6 +1,7 @@
 package org.jcnc.jnotepad.tool;
 
-import javafx.scene.control.TextArea;
+
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
@@ -16,8 +17,8 @@ public class EncodingDetector {
      * @param textArea 文本区域
      * @return 字符串表示的编码，如果检测失败则返回 "UNKNOWN"
      */
-    public static String detectEncoding(TextArea textArea) {
-        String text = textArea.getText();
+    public static String detectEncoding(LineNumberTextArea textArea) {
+        String text = textArea.getMainTextArea().getText();
 
         return detectEncoding(text);
     }

src/main/java/org/jcnc/jnotepad/tool/FileUtil.java

@@ -1,6 +1,7 @@
 package org.jcnc.jnotepad.tool;
 
 import java.io.*;
+import java.nio.charset.StandardCharsets;
 
 /**
  * @author 一个大转盘
@@ -18,7 +19,7 @@ public class FileUtil {
         String jsonStr = "";
         try {
             FileReader fileReader = new FileReader(jsonFile);
-            Reader reader = new InputStreamReader(new FileInputStream(jsonFile),"utf-8");
+            Reader reader = new InputStreamReader(new FileInputStream(jsonFile), StandardCharsets.UTF_8);
             int ch = 0;
             StringBuffer sb = new StringBuffer();
             while ((ch = reader.read()) != -1) {

src/main/java/org/jcnc/jnotepad/ui/LineNumberTextArea.java

@@ -0,0 +1,70 @@
+package org.jcnc.jnotepad.ui;
+
+import javafx.beans.property.StringProperty;
+
+import javafx.scene.control.TextArea;
+import javafx.scene.layout.BorderPane;
+
+import java.util.Objects;
+
+public class LineNumberTextArea extends BorderPane {
+
+
+    private final TextArea mainTextArea;
+    private final TextArea lineNumberArea;
+
+    public LineNumberTextArea() {
+        mainTextArea = new TextArea();
+        lineNumberArea = new TextArea();
+        lineNumberArea.setEditable(false);
+        lineNumberArea.setMinWidth(55);
+        lineNumberArea.setMaxWidth(55);
+        // 设置显示滚动条样式类
+/*        lineNumberArea.getStyleClass().add("hide-scrollbars");
+        mainTextArea.getStyleClass().add("show-scrollbars"); */
+
+        mainTextArea.textProperty().addListener((observable, oldValue, newValue) -> updateLineNumberArea());
+
+        // 当主要文本区域的垂直滚动位置发生变化时，使行号文本区域的滚动位置保持一致
+        mainTextArea.scrollTopProperty().addListener((observable, oldValue, newValue) -> {
+            lineNumberArea.setScrollTop(mainTextArea.getScrollTop());
+        });
+
+        // 当行号文本区域的垂直滚动位置发生变化时，使主要文本区域的滚动位置保持一致
+        lineNumberArea.scrollTopProperty().addListener((observable, oldValue, newValue) -> {
+            mainTextArea.setScrollTop(lineNumberArea.getScrollTop());
+        });
+
+        setCenter(mainTextArea);
+        setLeft(lineNumberArea);
+    }
+
+    public StringProperty textProperty() {
+        return mainTextArea.textProperty();
+    }
+
+
+    private void updateLineNumberArea() {
+        // 保存当前的滚动位置
+        /*
+          更新行号文本区域的内容，根据主要文本区域的段落数生成行号。
+         */
+        double mainTextAreaScrollTop = mainTextArea.getScrollTop();
+        double lineNumberAreaScrollTop = lineNumberArea.getScrollTop();
+
+        int numOfLines = mainTextArea.getParagraphs().size();
+        StringBuilder lineNumberText = new StringBuilder();
+        for (int i = 1; i <= numOfLines; i++) {
+            lineNumberText.append(i).append("\n");
+        }
+        lineNumberArea.setText(lineNumberText.toString());
+
+        // 恢复之前的滚动位置
+        mainTextArea.setScrollTop(mainTextAreaScrollTop);
+        lineNumberArea.setScrollTop(lineNumberAreaScrollTop);
+    }
+
+    public TextArea getMainTextArea() {
+        return mainTextArea;
+    }
+}

src/main/java/org/jcnc/jnotepad/view/init/View.java

@@ -2,11 +2,7 @@ package org.jcnc.jnotepad.view.init;
 
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-import javafx.scene.Scene;
-import javafx.scene.control.TextArea;
-import javafx.scene.input.KeyCode;
-import javafx.scene.input.KeyCodeCombination;
-import javafx.scene.input.KeyCombination;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.controller.manager.ShortcutKey;
 
@@ -21,13 +17,13 @@ public class View {
 
     public void initItem() {
         // 初始化菜单项的事件处理器
-        EventHandler<ActionEvent> newFileEventHandler = new Controller().getNewFileEventHandler(new TextArea());
+        EventHandler<ActionEvent> newFileEventHandler = new Controller().getNewFileEventHandler(new LineNumberTextArea());
         newItem.setOnAction(newFileEventHandler);
         EventHandler<ActionEvent> openFileEventHandler = new Controller().getOpenFileEventHandler();
         openItem.setOnAction(openFileEventHandler);
         EventHandler<ActionEvent> saveAsFileEventHandler = new Controller().getSaveAsFileEventHandler();
         saveAsItem.setOnAction(saveAsFileEventHandler);
-        lineFeedItem.setOnAction(new Controller().getLineFeedEventHandler(new TextArea()));
+        lineFeedItem.setOnAction(new Controller().getLineFeedEventHandler(new LineNumberTextArea()));
     }
 
     public void initTabPane() {

src/main/java/org/jcnc/jnotepad/view/manager/ViewManager.java

@@ -3,12 +3,12 @@ package org.jcnc.jnotepad.view.manager;
 import javafx.geometry.Insets;
 import javafx.scene.Scene;
 import javafx.scene.control.*;
-import javafx.scene.input.KeyCombination;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * 该类管理记事本应用程序的视图组件。
@@ -30,6 +30,8 @@ public class ViewManager {
     // 主界面布局
     public static BorderPane root; //主布局
 
+
+
     // 多个标签页
     public static TabPane tabPane; //标签页栏
 
@@ -47,6 +49,7 @@ public class ViewManager {
      * @return ViewManager的实例。
      */
     public static ViewManager getInstance(Scene scene) {
+
         if (instance == null) {
             instance = new ViewManager(scene);
         }
@@ -60,7 +63,11 @@ public class ViewManager {
      */
     private ViewManager(Scene scene) {
         root = new BorderPane();
+
         scene.setRoot(root);
+
+
+
     }
 
     /**
@@ -125,5 +132,8 @@ public class ViewManager {
         BorderPane.setMargin(statusBox, new Insets(5, 10, 5, 10));
 
         scene.setRoot(root);
+
+
+
     }
 }

src/main/resources/styles.css

@@ -0,0 +1,11 @@
+/* 显示滚动条 */
+.show-scrollbars .scroll-pane {
+    -fx-hbar-policy: as-needed;
+    -fx-vbar-policy: as-needed;
+}
+
+/* 不显示滚动条 */
+.hide-scrollbars .scroll-pane {
+    -fx-hbar-policy: never;
+    -fx-vbar-policy: never;
+}