♻️ 重构代码：重构项目代码，让项目更符合规范

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

@@ -2,6 +2,9 @@ package org.jcnc.jnotepad.Interface;
 
 import java.util.Properties;
 
+/**
+ * @author 许轲
+ */
 public interface ConfigInterface {
     void showErrorAlert();
     Properties readPropertiesFromFile();

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

@@ -9,6 +9,7 @@ import java.util.List;
 
 /**
  * 控制器接口类
+ * @author 许轲
  */
 public interface ControllerInterface {
 

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

@@ -2,9 +2,8 @@ package org.jcnc.jnotepad.Interface;
 
 /**
  * @author 一个大转盘
- * @date 2023/8/18
  */
 public interface ShortcutKeyInterface {
-    public void createShortcutKeyByConfig();
+    void createShortcutKeyByConfig();
 
 }

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

@@ -7,7 +7,7 @@ import javafx.scene.Scene;
 import javafx.scene.image.Image;
 import javafx.scene.layout.Pane;
 import javafx.stage.Stage;
-import org.jcnc.jnotepad.constants.Constants;
+import org.jcnc.jnotepad.constants.AppConstants;
 import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.init.Config;
 import org.jcnc.jnotepad.ui.LineNumberTextArea;
@@ -20,9 +20,16 @@ import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
+/**
+ * 启动程序
+ *
+ * @author 许轲
+ */
 public class LunchApp extends Application {
-    private static final ExecutorService threadPool = Executors.newCachedThreadPool();
+    /**
-    public static boolean isRelevance = true;
+     * 线程池
+     */
+    private static final ExecutorService THREAD_POOL = Executors.newCachedThreadPool();
 
     Controller controller = Controller.getInstance();
     Scene scene;
@@ -42,9 +49,9 @@ public class LunchApp extends Application {
         Pane root = new Pane();
 
 
-        double width = Constants.SCREEN_WIDTH;
+        double width = AppConstants.SCREEN_WIDTH;
-        double length = Constants.SCREEN_LENGTH;
+        double length = AppConstants.SCREEN_LENGTH;
-        String icon = Constants.APP_ICON;
+        String icon = AppConstants.APP_ICON;
 
         scene = new Scene(root, width, length);
         Application.setUserAgentStylesheet(new PrimerLight().getUserAgentStylesheet());
@@ -65,11 +72,10 @@ public class LunchApp extends Application {
         view.initTabPane();
         view.initShortcutKey();
 
-        if (isRelevance) {
+        if (controller.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(() -> {
+            THREAD_POOL.execute(() -> {
                 LineNumberTextArea textArea = controller.openAssociatedFileAndCreateTextArea(rawParameters);
                 if (!Objects.isNull(textArea)) {
                     Platform.runLater(() -> controller.updateUiWithNewTextArea(textArea));
@@ -82,7 +88,7 @@ public class LunchApp extends Application {
     @Override
     public void stop() {
         // 关闭线程池
-        threadPool.shutdownNow();
+        THREAD_POOL.shutdownNow();
     }
 
     public static void main(String[] args) {

src/main/java/org/jcnc/jnotepad/constants/AppConstants.java

@@ -0,0 +1,34 @@
+package org.jcnc.jnotepad.constants;
+
+/**
+ * 应用常量
+ * @author 许轲
+ */
+
+public class AppConstants {
+    private AppConstants() {
+    }
+
+    /**
+     * 初始宽度
+     */
+    public static final double SCREEN_WIDTH = 800;
+    /**
+     * 初始高度
+     */
+    public static final double SCREEN_LENGTH = 600;
+    /**
+     * 应用名
+     */
+    public static final String APP_NAME = "JNotepad";
+    /**
+     * logo地址
+     */
+    public static final String APP_ICON = "/img/icon.png";
+
+    /**
+     * 配置文件名
+     */
+    public static final String PROPERTY_FILE_NAME = "project.txt";
+
+}

src/main/java/org/jcnc/jnotepad/constants/Constants.java

@@ -1,16 +0,0 @@
-package org.jcnc.jnotepad.constants;
-
-/**
- * Constants持有所有共享信息的全局变量
- */
-
-public class Constants {
-    public static final double SCREEN_WIDTH = 800; //宽度
-    public static final double SCREEN_LENGTH = 600; //高度
-    public static final String APP_NAME = "JNotepad";  //名字
-    public static final String APP_ICON = "/img/icon.png"; //logo地址
-
-    //配置文件
-    public static final String PROPERTY_FILE_NAME = "project.txt"; //配置文件名字
-
-}

src/main/java/org/jcnc/jnotepad/constants/PathConstants.java

@@ -0,0 +1,17 @@
+package org.jcnc.jnotepad.constants;
+
+/**
+ * 路径常量
+ *
+ * @author gewuyou
+ */
+public class PathConstants {
+    private PathConstants() {
+    }
+
+    /**
+     * 快捷键配置文件路径
+     * todo：这里这个配置可以通过配置文件读取
+     */
+    public static final String SHORTCUT_KEY_CONFIGURATION_FILE_PATH = "/config/shortcutKey.json";
+}

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

@@ -8,6 +8,7 @@ import org.jcnc.jnotepad.ui.LineNumberTextArea;
  * 换行程序。
  * <p>
  * 用于在文本区域中插入一个换行符。
+ * @author 许轲
  */
 public class LineFeed implements EventHandler<ActionEvent> {
     private final LineNumberTextArea textArea;

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

@@ -3,16 +3,17 @@ package org.jcnc.jnotepad.controller.event.handler;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
-import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.view.manager.ViewManager;
 
-import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
 
 /**
  * 新建文件事件的事件处理程序。
  * <p>
  * 当用户选择新建文件时候,将创建一个新的文本编辑区，并在Tab页中显示。
+ *
+ * @author 许轲
  */
 public class NewFile implements EventHandler<ActionEvent> {
     /**
@@ -28,24 +29,22 @@ public class NewFile implements EventHandler<ActionEvent> {
         // 创建一个新的文本编辑区
         LineNumberTextArea textArea = new LineNumberTextArea();
 
-
         textArea.setStyle(
                 "-fx-border-color:white ;-fx-background-color:white;"
         );
 
-        //TODO: refactor：统一TextArea新建、绑定监听器入口
+        // TODO: refactor：统一TextArea新建、绑定监听器入口
         // 增加autoSave监听器绑定
         controller.autoSave(textArea);
-
+        ViewManager viewManager = ViewManager.getInstance();
         // 创建一个新的Tab页
-        Tab tab = new Tab("新建文本 " + ++ViewManager.tabIndex);
+        Tab tab = new Tab("新建文本 " + viewManager.selfIncreaseAndGetTabIndex());
         tab.setContent(textArea);
-
         // 将Tab页添加到TabPane中
-        tabPane.getTabs().add(tab);
+        viewManager.getTabPane().getTabs().add(tab);
 
         // 将新建的Tab页设置为选中状态
-        tabPane.getSelectionModel().select(tab);
+        viewManager.getTabPane().getSelectionModel().select(tab);
 
         // 更新状态标签
         controller.updateStatusLabel(textArea);

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

@@ -3,19 +3,19 @@ package org.jcnc.jnotepad.controller.event.handler;
 import javafx.concurrent.Task;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-
 import javafx.stage.FileChooser;
-import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
+import org.jcnc.jnotepad.view.manager.ViewManager;
 
 import java.io.File;
 
-import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
 
 /**
  * 打开文件的事件处理程序。
  * <p>
  * 当用户选择打开文件时，将创建一个新的文本编辑区，并在Tab页中显示。
+ * @author 许轲
  */
 public class OpenFile implements EventHandler<ActionEvent> {
     /**
@@ -25,6 +25,8 @@ public class OpenFile implements EventHandler<ActionEvent> {
      */
     @Override
     public void handle(ActionEvent event) {
+        // 获取ViewManager的实例
+        ViewManager viewManager = ViewManager.getInstance();
         // 获取控制器
         Controller controller = Controller.getInstance();
         // 创建文件选择器
@@ -39,7 +41,7 @@ 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(((LineNumberTextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getMainTextArea().getText());
+                    controller.upDateEncodingLabel(((LineNumberTextArea) viewManager.getTabPane().getSelectionModel().getSelectedItem().getContent()).getMainTextArea().getText());
                     return null;
                 }
             };

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

@@ -5,13 +5,13 @@ import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
 import javafx.stage.FileChooser;
 import org.jcnc.jnotepad.ui.LineNumberTextArea;
+import org.jcnc.jnotepad.view.manager.ViewManager;
 
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 
-import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
 
 /**
  * 保存文件事件处理器。
@@ -20,6 +20,8 @@ import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
  * 会弹出一个保存文件对话框，用户选择保存位置和文件名后，
  * 将当前文本编辑区的内容保存到指定文件中，
  * 并更新Tab页上的文件名和UserData。
+ *
+ * @author 许轲
  */
 public class SaveAsFile implements EventHandler<ActionEvent> {
     /**
@@ -29,23 +31,25 @@ public class SaveAsFile implements EventHandler<ActionEvent> {
      */
     @Override
     public void handle(ActionEvent event) {
-        Tab selectedTab = tabPane.getSelectionModel().getSelectedItem();
+        ViewManager viewManager = ViewManager.getInstance();
+        Tab selectedTab = viewManager.getTabPane().getSelectionModel().getSelectedItem();
         if (selectedTab != null) {
             FileChooser fileChooser = new FileChooser();
             fileChooser.setInitialFileName(selectedTab.getText());
             fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("文本文档", "*.txt"));
             File file = fileChooser.showSaveDialog(null);
             if (file != null) {
-                try {
+                try (
-                    BufferedWriter writer = new BufferedWriter(new FileWriter(file));
+                        BufferedWriter writer = new BufferedWriter(new FileWriter(file))
+                ) {
                     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();
                     selectedTab.setText(file.getName()); // 更新Tab页标签上的文件名
                     selectedTab.setUserData(file); // 将文件对象保存到Tab页的UserData中
                 } catch (IOException ignored) {
+                    System.out.println("已忽视IO异常!");
                 }
             }
         }

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

@@ -6,7 +6,6 @@ import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
 import org.jcnc.jnotepad.Interface.ControllerInterface;
-import org.jcnc.jnotepad.LunchApp;
 import org.jcnc.jnotepad.controller.event.handler.LineFeed;
 import org.jcnc.jnotepad.controller.event.handler.NewFile;
 import org.jcnc.jnotepad.controller.event.handler.OpenFile;
@@ -26,8 +25,15 @@ import java.util.List;
  * @author 许轲
  */
 public class Controller implements ControllerInterface {
-
     private static final Controller INSTANCE = new Controller();
+    /**
+     * 是否关联
+     */
+    private boolean isRelevance = true;
+
+    public boolean isRelevance() {
+        return isRelevance;
+    }
 
     private Controller() {
     }
@@ -95,7 +101,7 @@ public class Controller implements ControllerInterface {
     @Override
     public void autoSave(LineNumberTextArea textArea) {
         textArea.getMainTextArea().textProperty().addListener((observable, oldValue, newValue) -> {
-            Tab tab = ViewManager.tabPane.getSelectionModel().getSelectedItem();
+            Tab tab = ViewManager.getInstance().getTabPane().getSelectionModel().getSelectedItem();
             if (tab != null) {
                 File file = (File) tab.getUserData();
                 if (file != null) {
@@ -103,7 +109,7 @@ public class Controller implements ControllerInterface {
                         writer.write(newValue);
                         System.out.println("正在自动保存---");
                     } catch (IOException ignored) {
-
+                        System.out.println("已忽视IO异常!");
                     }
                 }
             }
@@ -131,7 +137,7 @@ public class Controller implements ControllerInterface {
         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);
+        ViewManager.getInstance().getStatusLabel().setText("行: " + row + " \t列: " + column + " \t字数: " + length);
     }
 
     /**
@@ -143,7 +149,7 @@ public class Controller implements ControllerInterface {
     public void openAssociatedFile(String filePath) {
         File file = new File(filePath);
         if (file.exists() && file.isFile()) {
-            LunchApp.isRelevance = false;
+            isRelevance = false;
             openFile(file);
         }
     }
@@ -155,6 +161,7 @@ public class Controller implements ControllerInterface {
      */
     @Override
     public void getText(File file) {
+        ViewManager viewManager = ViewManager.getInstance();
         LineNumberTextArea textArea = createNewTextArea();
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
             StringBuilder textBuilder = new StringBuilder();
@@ -169,15 +176,15 @@ public class Controller implements ControllerInterface {
 
                 Tab tab = createNewTab(file.getName(), textArea);
                 tab.setUserData(file);
-                ViewManager.tabPane.getTabs().add(tab);
+                viewManager.getTabPane().getTabs().add(tab);
 //                ViewManager.tabPane.sets
-                ViewManager.tabPane.getSelectionModel().select(tab);
+                viewManager.getTabPane().getSelectionModel().select(tab);
                 updateStatusLabel(textArea);
 
                 autoSave(textArea);
             });
         } catch (IOException ignored) {
-
+            System.out.println("已忽视IO异常!");
         }
     }
 
@@ -189,7 +196,7 @@ public class Controller implements ControllerInterface {
     @Override
     public void upDateEncodingLabel(String text) {
         String encoding = EncodingDetector.detectEncoding(text);
-        ViewManager.enCodingLabel.setText("\t编码: " + encoding);
+        ViewManager.getInstance().getEnCodingLabel().setText("\t编码: " + encoding);
     }
 
     /**
@@ -230,7 +237,7 @@ public class Controller implements ControllerInterface {
     @Override
     public void initTabPane() {
         Controller controller = new Controller();
-        ViewManager.tabPane.getSelectionModel().selectedItemProperty().addListener((observable, oldTab, newTab) -> {
+        ViewManager.getInstance().getTabPane().getSelectionModel().selectedItemProperty().addListener((observable, oldTab, newTab) -> {
             LineNumberTextArea textArea;
             if (newTab != null) {
                 // 获取新选定的标签页并关联的文本区域
@@ -253,16 +260,17 @@ public class Controller implements ControllerInterface {
     /**
      * 更新UI和标签页
      *
-     * @param textArea   文本域
+     * @param textArea 文本域
      * @apiNote
      * @since 2023/8/20 12:40
      */
     @Override
     public void updateUiWithNewTextArea(LineNumberTextArea textArea) {
-        Tab tab = new Tab("新建文件 " + (++ViewManager.tabIndex));
+        ViewManager viewManager = ViewManager.getInstance();
+        Tab tab = new Tab("新建文件 " + viewManager.selfIncreaseAndGetTabIndex());
         tab.setContent(textArea);
-        ViewManager.tabPane.getTabs().add(tab);
+        viewManager.getTabPane().getTabs().add(tab);
-        ViewManager.tabPane.getSelectionModel().select(tab);
+        viewManager.getTabPane().getSelectionModel().select(tab);
         updateStatusLabel(textArea);
     }
 

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

@@ -6,28 +6,27 @@ import com.google.gson.reflect.TypeToken;
 import javafx.scene.control.MenuItem;
 import javafx.scene.input.KeyCombination;
 import org.jcnc.jnotepad.Interface.ShortcutKeyInterface;
-import org.jcnc.jnotepad.tool.FileUtil;
 import org.jcnc.jnotepad.view.manager.ViewManager;
 
 import java.io.*;
-import java.net.URL;
 import java.util.Map;
 import java.util.Objects;
 
+import static org.jcnc.jnotepad.constants.PathConstants.SHORTCUT_KEY_CONFIGURATION_FILE_PATH;
+
 /**
- * @author 一个大转盘
+ * @author 一个大转盘<br>
- * @date 2023/8/18
  */
 public class ShortcutKey implements ShortcutKeyInterface {
     @Override
     public void createShortcutKeyByConfig() {
-        String rootPath =System.getProperty("user.dir");
+        String rootPath = System.getProperty("user.dir");
         // 构建JSON文件路径
-        String jsonFilePath = rootPath +"/config/shortcutKey.json";
+        String jsonFilePath = rootPath + SHORTCUT_KEY_CONFIGURATION_FILE_PATH;
-        InputStream inputStream = getClass().getResourceAsStream("/config/shortcutKey.json");
+        InputStream inputStream = getClass().getResourceAsStream(SHORTCUT_KEY_CONFIGURATION_FILE_PATH);
         StringBuffer jsonData = new StringBuffer();
         File file = new File(jsonFilePath);
-        if(file.exists()){
+        if (file.exists()) {
             try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
                 String line;
                 while ((line = reader.readLine()) != null) {
@@ -36,7 +35,8 @@ public class ShortcutKey implements ShortcutKeyInterface {
             } catch (IOException e) {
                 e.printStackTrace();
             }
-        }else {
+        } else {
+            // todo new InputStreamReader(inputStream) 实参 'inputStream' 可能为null
             try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
                 String line;
                 while ((line = reader.readLine()) != null) {
@@ -54,16 +54,13 @@ public class ShortcutKey implements ShortcutKeyInterface {
         }.getType());
         for (Map.Entry<String, String> stringObjectEntry : shortcutKeyConfig.entrySet()) {
             // 保证json的key必须和变量名一致
-            MenuItem menuItem = ViewManager.itemMap.get(stringObjectEntry.getKey());
+            MenuItem menuItem = ViewManager.getInstance().getItemMap().get(stringObjectEntry.getKey());
             String shortKeyValue = stringObjectEntry.getValue();
-
             if ("".equals(shortKeyValue) || Objects.isNull(menuItem)) {
                 continue;
             }
             // 动态添加快捷键
             menuItem.setAccelerator(KeyCombination.keyCombination(shortKeyValue));
         }
-
-
     }
 }

src/main/java/org/jcnc/jnotepad/init/Config.java

@@ -6,8 +6,11 @@ import org.jcnc.jnotepad.Interface.ConfigInterface;
 import java.io.*;
 import java.util.Properties;
 
-import static org.jcnc.jnotepad.constants.Constants.PROPERTY_FILE_NAME;
+import static org.jcnc.jnotepad.constants.AppConstants.PROPERTY_FILE_NAME;
 
+/**
+ * @author 许轲
+ */
 public class Config implements ConfigInterface {
     public Properties readPropertiesFromFile() {
         Properties properties = new Properties();

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

@@ -8,8 +8,12 @@ import java.nio.charset.StandardCharsets;
 
 /**
  * 编码检测工具类
+ *
+ * @author 许轲
  */
 public class EncodingDetector {
+    private EncodingDetector() {
+    }
 
     /**
      * 检测 TextArea 中的文本编码
@@ -19,7 +23,6 @@ public class EncodingDetector {
      */
     public static String detectEncoding(LineNumberTextArea textArea) {
         String text = textArea.getMainTextArea().getText();
-
         return detectEncoding(text);
     }
 

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

@@ -5,28 +5,28 @@ import java.nio.charset.StandardCharsets;
 
 /**
  * @author 一个大转盘
- * @date 2023/8/18
  */
 public class FileUtil {
+    private FileUtil() {
+    }
 
     /**
      * 把一个文件中的内容读取成一个String字符串
-     * @date 2023/8/18 0:54
+     *
-     * @param jsonFile
+     * @param jsonFile json文件
      * @return String
      */
-    public static String getJsonStr(File jsonFile){
+    public static String getJsonStr(File jsonFile) {
-        String jsonStr = "";
+        String jsonStr;
-        try {
+        try (
-            FileReader fileReader = new FileReader(jsonFile);
+                Reader reader = new InputStreamReader(new FileInputStream(jsonFile), StandardCharsets.UTF_8)
-            Reader reader = new InputStreamReader(new FileInputStream(jsonFile), StandardCharsets.UTF_8);
+        ) {
-            int ch = 0;
+
+            int ch;
             StringBuffer sb = new StringBuffer();
             while ((ch = reader.read()) != -1) {
                 sb.append((char) ch);
             }
-            fileReader.close();
-            reader.close();
             jsonStr = sb.toString();
             return jsonStr;
         } catch (IOException e) {

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

@@ -4,13 +4,14 @@ import javafx.beans.property.StringProperty;
 import javafx.scene.control.TextArea;
 import javafx.scene.layout.BorderPane;
 
+/**
+ * @author 许轲
+ */
 public class LineNumberTextArea extends BorderPane {
-
-
     private final TextArea mainTextArea;
     private final TextArea lineNumberArea;
 
-    static final int[] sizeTable = {9, 99, 999, 9999, 99999, 999999, 9999999,
+    static final int[] SIZE_TABLE = {9, 99, 999, 9999, 99999, 999999, 9999999,
             99999999, 999999999, Integer.MAX_VALUE};
     private static final int MIN_LINE_NUMBER_WIDTH = 30;
 
@@ -27,15 +28,10 @@ public class LineNumberTextArea extends BorderPane {
         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) -> {
+        mainTextArea.scrollTopProperty().addListener((observable, oldValue, newValue) -> lineNumberArea.setScrollTop(mainTextArea.getScrollTop()));
-            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) -> {
+        lineNumberArea.scrollTopProperty().addListener((observable, oldValue, newValue) -> mainTextArea.setScrollTop(lineNumberArea.getScrollTop()));
-            mainTextArea.setScrollTop(lineNumberArea.getScrollTop());
-        });
-
         setCenter(mainTextArea);
         setLeft(lineNumberArea);
     }
@@ -43,13 +39,13 @@ public class LineNumberTextArea extends BorderPane {
     private void updateLineNumberWidth() {
         int numOfLines = mainTextArea.getParagraphs().size();
         int count = 1;
-        for (int i = 0; i < sizeTable.length; i++) {
+        for (int i = 0; i < SIZE_TABLE.length; i++) {
-            if (numOfLines <= sizeTable[i]) {
+            if (numOfLines <= SIZE_TABLE[i]) {
                 count = i + 1;
                 break;
             }
         }
-        //单数字宽度10像素，4为padding=左3+右1
+        // 单数字宽度10像素，4为padding=左3+右1
         int actualWidth = Math.max(count * 10 + 11, MIN_LINE_NUMBER_WIDTH);
         if (actualWidth != lineNumberArea.getWidth()) {
             lineNumberArea.setPrefWidth(actualWidth);

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

@@ -2,28 +2,32 @@ package org.jcnc.jnotepad.view.init;
 
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
-import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.controller.manager.ShortcutKey;
+import org.jcnc.jnotepad.ui.LineNumberTextArea;
+import org.jcnc.jnotepad.view.manager.ViewManager;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import static org.jcnc.jnotepad.view.manager.ViewManager.*;
-
 
+/**
+ * @author 许轲
+ */
 public class View {
-        private static Map<String, Object> itmeMap = new HashMap<>();
+    // todo 这个东西干嘛的，都没用过
+    private static Map<String, Object> itmeMap = new HashMap<>();
 
     public void initItem() {
+        ViewManager viewManager = ViewManager.getInstance();
         // 初始化菜单项的事件处理器
         EventHandler<ActionEvent> newFileEventHandler = Controller.getInstance().getNewFileEventHandler(new LineNumberTextArea());
-        newItem.setOnAction(newFileEventHandler);
+        viewManager.getNewItem().setOnAction(newFileEventHandler);
         EventHandler<ActionEvent> openFileEventHandler = Controller.getInstance().getOpenFileEventHandler();
-        openItem.setOnAction(openFileEventHandler);
+        viewManager.getOpenItem().setOnAction(openFileEventHandler);
         EventHandler<ActionEvent> saveAsFileEventHandler = Controller.getInstance().getSaveAsFileEventHandler();
-        saveAsItem.setOnAction(saveAsFileEventHandler);
+        viewManager.getSaveAsItem().setOnAction(saveAsFileEventHandler);
-        lineFeedItem.setOnAction(Controller.getInstance().getLineFeedEventHandler(new LineNumberTextArea()));
+        viewManager.getLineFeedItem().setOnAction(Controller.getInstance().getLineFeedEventHandler(new LineNumberTextArea()));
     }
 
     public void initTabPane() {
@@ -31,7 +35,7 @@ public class View {
     }
 
     // 初始化快捷键
-    public void initShortcutKey(){
+    public void initShortcutKey() {
         new ShortcutKey().createShortcutKeyByConfig();
     }
 

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

@@ -8,39 +8,157 @@ 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。
+ *
+ * @author 许轲
  */
 public class ViewManager {
 
-    public static Label enCodingLabel; // 显示文本编码
+    /**
+     * 显示文本编码
+     */
+    private Label enCodingLabel; // 显示文本编码
 
-    public static int tabIndex = 0;
+    private int tabIndex = 0;
 
-    public static Boolean Line = true;
+    private Boolean line = true;
 
-    // 菜单栏组件
+    /// 菜单栏组件
-    public static MenuBar menuBar; //菜单栏
-    public static Menu fileMenu, setMenu, pluginMenu; //文件菜单//设置菜单//插件菜单 菜单
-    public static MenuItem newItem, openItem, saveAsItem, addItem, countItem; //新建/打开/保存/保存至//增加//查看 菜单按钮
 
-    public static CheckMenuItem lineFeedItem; //自动换行点击菜单按钮
+    /**
+     * 菜单栏
+     */
+    private MenuBar menuBar;
+    /**
+     * 文件菜单
+     */
+    private Menu fileMenu;
+    /**
+     * 插件菜单
+     */
+    private Menu setMenu;
+    /**
+     * 插件菜单
+     */
+    private Menu pluginMenu;
+
+    ///  菜单按钮
+
+    /**
+     * 新建
+     */
+    private MenuItem newItem;
+    /**
+     * 打开
+     */
+    private MenuItem openItem;
+    /**
+     * 保存
+     */
+    private MenuItem saveAsItem;
+    /**
+     * 增加
+     */
+    private MenuItem addItem;
+    /**
+     * 查看
+     */
+    private MenuItem countItem;
+
+
+    private CheckMenuItem lineFeedItem; // 自动换行点击菜单按钮
     // 主界面布局
-    public static BorderPane root; //主布局
+    private BorderPane root; // 主布局
-
-
 
     // 多个标签页
-    public static TabPane tabPane; //标签页栏
+    private TabPane tabPane; // 标签页栏
 
     // 状态栏
-    public static Label statusLabel;
+    private Label statusLabel;
 
     private static ViewManager instance = null;
 
-    public static Map<String, MenuItem> itemMap = new HashMap<>();
+    private Map<String, MenuItem> itemMap = new HashMap<>();
+
+
+    public Label getEnCodingLabel() {
+        return enCodingLabel;
+    }
+    /**
+     * 自增并获取标签页索引
+     *
+     *
+     * @return int 标签页索引
+     * @apiNote ++tabIndex
+     */
+
+    public int selfIncreaseAndGetTabIndex() {
+        return ++tabIndex;
+    }
+
+    public Boolean getLine() {
+        return line;
+    }
+
+    public MenuBar getMenuBar() {
+        return menuBar;
+    }
+
+    public Menu getFileMenu() {
+        return fileMenu;
+    }
+
+    public Menu getSetMenu() {
+        return setMenu;
+    }
+
+    public Menu getPluginMenu() {
+        return pluginMenu;
+    }
+
+    public MenuItem getNewItem() {
+        return newItem;
+    }
+
+    public MenuItem getOpenItem() {
+        return openItem;
+    }
+
+    public MenuItem getSaveAsItem() {
+        return saveAsItem;
+    }
+
+    public MenuItem getAddItem() {
+        return addItem;
+    }
+
+    public MenuItem getCountItem() {
+        return countItem;
+    }
+
+    public CheckMenuItem getLineFeedItem() {
+        return lineFeedItem;
+    }
+
+    public BorderPane getRoot() {
+        return root;
+    }
+
+    public TabPane getTabPane() {
+        return tabPane;
+    }
+
+    public Label getStatusLabel() {
+        return statusLabel;
+    }
+
+    public Map<String, MenuItem> getItemMap() {
+        return itemMap;
+    }
+
 
     /**
      * 获取ViewManager的实例。如果实例不存在，则创建一个新实例。
@@ -49,13 +167,20 @@ public class ViewManager {
      * @return ViewManager的实例。
      */
     public static ViewManager getInstance(Scene scene) {
-
         if (instance == null) {
             instance = new ViewManager(scene);
         }
         return instance;
     }
 
+    public static ViewManager getInstance() {
+        if (instance != null) {
+            return instance;
+        } else {
+            throw new RuntimeException("ViewManager的实例未初始化!");
+        }
+    }
+
     /**
      * 构造函数。设置场景和根布局。
      *
@@ -63,8 +188,6 @@ public class ViewManager {
      */
     private ViewManager(Scene scene) {
         root = new BorderPane();
-
-
         scene.setRoot(root);
 
     }
@@ -78,7 +201,7 @@ public class ViewManager {
         // 创建菜单栏并添加菜单项
         menuBar = new MenuBar();
 
-        //文件菜单
+        // 文件菜单
         fileMenu = new Menu("文件");
 
         newItem = new MenuItem("新建");
@@ -92,7 +215,7 @@ public class ViewManager {
 
         fileMenu.getItems().addAll(newItem, openItem, saveAsItem);
 
-        //设置菜单
+        // 设置菜单
         setMenu = new Menu("设置");
 
         lineFeedItem = new CheckMenuItem("自动换行");
@@ -101,7 +224,7 @@ public class ViewManager {
 
         setMenu.getItems().addAll(lineFeedItem);
 
-        //插件菜单
+        // 插件菜单
         pluginMenu = new Menu("插件");
         addItem = new MenuItem("增加插件");
         itemMap.put("addItem", addItem);
@@ -111,7 +234,7 @@ public class ViewManager {
 
         pluginMenu.getItems().addAll(addItem, countItem);
 
-        //菜单栏
+        // 菜单栏
         menuBar.getMenus().addAll(fileMenu, setMenu, pluginMenu);
 
         // 创建主界面布局
@@ -131,8 +254,5 @@ public class ViewManager {
         BorderPane.setMargin(statusBox, new Insets(5, 10, 5, 10));
 
         scene.setRoot(root);
-
-
-
     }
 }

src/main/resources/img/icon.svg

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="67px" height="67px" viewBox="0 0 67 67" enable-background="new 0 0 67 67" xml:space="preserve">  <image id="image0" width="67" height="67" x="0" y="0"
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" width="67px" height="67px"
-    href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEMAAABDCAMAAADwFEhBAAAABGdBTUEAALGPC/xhBQAAACBjSFJN
+     viewBox="0 0 67 67" enable-background="new 0 0 67 67" xml:space="preserve">  <image id="image0" width="67" height="67" x="0" y="0"
+                                                                                                                                                                                                  href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEMAAABDCAMAAADwFEhBAAAABGdBTUEAALGPC/xhBQAAACBjSFJN
 AAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAQlBMVEUAAABpzLppy7lqzLpq
 zLpqy7lqzLrg9PHi9fF30MD+//7///960sKZ3NDM7efY8u1vzry05dzG7OWa3dDN7uin4dYGHsA1
 AAAABnRSTlMAyPPm062MDfhZAAAAAWJLR0QLH9fEwAAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0