优化文本编码识别

.idea/encodings.xml

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/aaa.txt" charset="GBK" />
+    <file url="file://$PROJECT_DIR$/init.bat" charset="US-ASCII" />
     <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/新建文本.txt" charset="GBK" />

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

@@ -124,7 +124,6 @@ public class JNotepad extends Application {
             tabPane.getSelectionModel().select(tab);
             updateStatusLabel(textArea);
             // 更新编码信息
-            //updateEncodingLabel(newValue);
             updateEncodingLabel(textArea.getText()); // 更新文本编码信息
         }
     }
@@ -138,6 +137,7 @@ public class JNotepad extends Application {
             if (file != null) {
                 try {
                     getTXT(file);
+                    updateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText()); // 更新文本编码信息
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
@@ -242,6 +242,7 @@ public class JNotepad extends Application {
             try {
                 a = false;
                 getTXT(file);// 读取文件
+                updateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText()); // 更新文本编码信息
             } catch (IOException e) {
                 e.printStackTrace();
             }