2023年5月18日17:05:59 音乐后台播放

src/main/java/com/zhangmeng/tools/config/Constants.java

@@ -0,0 +1,29 @@
+package com.zhangmeng.tools.config;
+
+import javafx.scene.layout.AnchorPane;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author : 芊芊墨客
+ * @version : 1.0
+ * @date : 2023-05-18 16:22
+ */
+public class Constants {
+
+
+    public enum Type {
+        Music
+    }
+
+    public static Map<Type, AnchorPane> pane_map = new HashMap<>();
+
+    public static AnchorPane getRoot(Type type) {
+        return pane_map.get(type);
+    }
+
+    public static AnchorPane setRoot(Type type,AnchorPane root) {
+        return pane_map.put(type,root);
+    }
+}

src/main/java/com/zhangmeng/tools/controller/MusicController.java

@@ -585,15 +585,13 @@ public class MusicController {
 
     private void list_cell() {
         listView.setCellFactory(new Callback<ListView<File>, ListCell<File>>() {
-            private int position;
-            Text text = null;
             public ListCell<File> call(ListView<File> param) {
                 final ListCell<File> cell = new ListCell<File>() {
                     protected void updateItem(File item, boolean empty) {
                         super.updateItem(item, empty);
                         if (!empty && item != null) {
-                             text = new Text(sb.substring(0, sb.length() - 4));
                             sb = new StringBuffer(item.getName());
+                            Text text = new Text(sb.substring(0, sb.length() - 4));
                             text.setWrappingWidth(300.0D);
                             text.setTextAlignment(TextAlignment.CENTER);
                             if (this.getIndex() == MusicController.this.playindex.get()) {
@@ -615,17 +613,6 @@ public class MusicController {
 
                     }
                 };
-
-                cell.hoverProperty().addListener((observableValue, aBoolean, t1) -> {
-                    if (t1 && !text.getText().equals("")) {
-                        position = listView.getItems().indexOf(text.getText());
-                        listView.getFocusModel().focus(position);
-                        cell.setStyle("-fx-background-color: #cbcacb");
-                    } else {
-                        cell.setStyle("-fx-background-color: " + color_cell);
-                    }
-                });
-
                 MenuItem mi1 = new MenuItem("从列表中移除");
                 mi1.setOnAction(new EventHandler<ActionEvent>() {
                     public void handle(ActionEvent event) {
@@ -644,17 +631,17 @@ public class MusicController {
                 });
                 MusicController.this.playindex.addListener(new ChangeListener<Number>() {
                     public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
-                        Text text;
+                        Text text2;
                         if (newValue.intValue() == cell.getIndex()) {
                             if (cell.getGraphic() != null) {
-                                text = (Text) cell.getGraphic();
+                                text2 = (Text) cell.getGraphic();
-                                text.setFont(Font.font(16.0D));
+                                text2.setFont(Font.font(16.0D));
-                                text.setFill(Color.DEEPSKYBLUE);
+                                text2.setFill(Color.DEEPSKYBLUE);
                             }
                         } else if (cell.getGraphic() != null) {
-                            text = (Text) cell.getGraphic();
+                            text2 = (Text) cell.getGraphic();
-                            text.setFont(Font.font(13.0D));
+                            text2.setFont(Font.font(13.0D));
-                            text.setFill(Color.BLACK);
+                            text2.setFill(Color.BLACK);
                         }
 
                     }

src/main/java/com/zhangmeng/tools/controller/PlayerController.java

@@ -26,6 +26,7 @@
 
 package com.zhangmeng.tools.controller;
 
+import com.zhangmeng.tools.config.Constants;
 import com.zhangmeng.tools.utils.ImagePath;
 import com.zhangmeng.tools.utils.ResourcesUtils;
 import javafx.beans.property.SimpleDoubleProperty;
@@ -89,6 +90,20 @@ public class PlayerController {
     public static final String color_cell = "#f4f4f4";
 
     public void close_current_page_init() {
+//        if (video != null) {
+//            MediaPlayer mp = videoController.getMp();
+//            if (mp != null){
+//               mp.stop();
+//            }
+//        }
+//
+//        if (music != null) {
+//            MediaPlayer mp = musicController.getMp();
+//            if (mp != null){
+//                mp.stop();
+//            }
+//        }
+
         if (video != null) {
             MediaPlayer mp = videoController.getMp();
             if (mp != null) {
@@ -97,11 +112,9 @@ public class PlayerController {
         }
 
         if (music != null) {
-            MediaPlayer mp = musicController.getMp();
+            Constants.setRoot(Constants.Type.Music,music);
-            if (mp != null){
-                mp.stop();
-            }
         }
+
     }
 
     @FXML
@@ -397,8 +410,10 @@ public class PlayerController {
     private void music(boolean flag) {
         listView.getSelectionModel().select(1);
         if (!flag) {
+            if (Constants.getRoot(Constants.Type.Music) != null){
+                music = Constants.getRoot(Constants.Type.Music);
+            }else {
                 try {
-//              root = FXMLLoader.load(ResourcesUtils.getResource("music"));
                     FXMLLoader load = new FXMLLoader(ResourcesUtils.getResource("music"));
                     root = load.load();
                     musicController = load.getController();
@@ -406,6 +421,7 @@ public class PlayerController {
                     e.printStackTrace();
                 }
                 music = root;
+            }
         } else {
             root = music;
         }