多选支持OK

win_text_editor/lib/modules/template_parser/controllers/template_parser_controller.dart

@@ -11,6 +11,7 @@ class TemplateParserController extends BaseContentController {
   List<TemplateItem> _templateItems = [];
   String? _errorMessage;
   TemplateNode? _selectedNode;
+  String? _currentParentPath; // 新增属性，用于记录当前选中节点的父节点路径
 
   // Getters
   String get filePath => _filePath;
@@ -40,12 +41,38 @@ class TemplateParserController extends BaseContentController {
     notifyListeners();
   }
 
+  // 新增方法，用于处理节点的选中状态
+  void toggleNodeCheck(TemplateNode node) {
+    final parentPath = node.path.substring(0, node.path.lastIndexOf('/'));
+    if (_currentParentPath != null && _currentParentPath != parentPath) {
+      // 如果最新选择的节点与之前选中的节点不在同一个父节点下，清除之前的选中状态
+      clearAllChecked();
+    }
+    node.isChecked = !node.isChecked;
+    _currentParentPath = parentPath;
+    notifyListeners();
+  }
+
+  // 新增方法，用于清除所有节点的选中状态
+  void clearAllChecked() {
+    void traverse(TemplateNode node) {
+      node.isChecked = false;
+      for (var child in node.children) {
+        traverse(child);
+      }
+    }
+    for (var node in _treeNodes) {
+      traverse(node);
+    }
+  }
+
   Future<void> _loadTemplateData() async {
     try {
       _errorMessage = null;
       _treeNodes = [];
       _templateItems = [];
       _selectedNode = null;
+      _currentParentPath = null; // 加载数据时清空当前父节点路径
 
       if (_filePath.isEmpty) return;
 

win_text_editor/lib/modules/template_parser/models/template_node.dart

@@ -10,6 +10,7 @@ class TemplateNode implements TreeNode {
   bool isRepeated;
   bool isAttribute;
   int repreatCount;
+  bool isChecked; // 新增属性，用于记录节点是否被选中
 
   TemplateNode({
     required this.name,
@@ -20,6 +21,7 @@ class TemplateNode implements TreeNode {
     this.isRepeated = false,
     this.isAttribute = false,
     this.repreatCount = 1,
+    this.isChecked = false, // 初始化默认未选中
   });
 
   @override

win_text_editor/lib/modules/template_parser/widgets/template_tree_view.dart

@@ -57,10 +57,23 @@ class TemplateTreeView extends StatelessWidget {
         padding: EdgeInsets.only(left: 12.0 * node.depth),
         child: ListTile(
           dense: true,
-          leading:
+          leading: Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              if (templateNode.children.isEmpty) // 仅在叶子节点显示复选框
+                Checkbox(
+                  value: templateNode.isChecked,
+                  onChanged: (value) {
+                    if (value != null) {
+                      controller.toggleNodeCheck(templateNode);
+                    }
+                  },
+                ),
               isAttribute
                   ? const Icon(Icons.code, size: 16, color: Colors.grey)
                   : const Icon(Icons.label_outline, size: 18, color: Colors.blue),
+            ],
+          ),
           title: Text(
             isAttribute ? templateNode.name.substring(1) : templateNode.name,
             style: TextStyle(