对比展示逻辑优化前

win_text_editor/lib/modules/data_compare/controllers/data_compare_controller.dart

@@ -8,11 +8,9 @@ class DataCompareController extends BaseContentController {
   List<String> rightColumns = [];
   List<Map<String, dynamic>> leftData = [];
   List<Map<String, dynamic>> rightData = [];
-  late DataCompareDataSource dataSource;
 
-  DataCompareController() {
-    dataSource = DataCompareDataSource(this);
-  }
+  // 比对结果状态
+  List<Map<String, dynamic>> comparedData = [];
 
   Future<void> importCsv(bool isLeftTable, String csvContent) async {
     try {
@@ -31,19 +29,17 @@ class DataCompareController extends BaseContentController {
         if (lines[i].trim().isEmpty) continue;
 
         final values = lines[i].split(delimiter);
-        if (values.length < 1) continue;
+        if (values.isEmpty) continue;
 
         // 创建行数据：序号、主键和各列值
         final row = {
-          'serial': i.toString(), // 序号
-          'key': values[0], // 主键（第一列）
+          'serial': i.toString(),
+          'key': values[0],
+          ...Map.fromIterables(
+            headers,
+            List.generate(headers.length, (j) => j + 1 < values.length ? values[j + 1] : ''),
+          ),
         };
-
-        // 填充各列数据
-        for (int j = 0; j < headers.length; j++) {
-          row[headers[j]] = (j + 1 < values.length) ? values[j + 1] : '';
-        }
-
         data.add(row);
       }
 
@@ -55,18 +51,61 @@ class DataCompareController extends BaseContentController {
         rightData = data;
       }
 
-      compareData();
+      _compareData();
       notifyListeners();
     } catch (e) {
-      Logger().error('${isLeftTable ? '左表' : '右表'}数据导入失败: $e');
+      Logger().error('${isLeftTable ? '左表' : '右表'}导入失败: $e');
       rethrow;
     }
   }
 
-  void compareData() {
-    // Implement comparison logic here
-    // This would update the comparison status for each row
-    dataSource.updateData(leftData, rightData);
+  void _compareData() {
+    comparedData = [];
+
+    // 1. 处理空数据情况
+    if (leftData.isEmpty && rightData.isEmpty) return;
+
+    // 2. 处理单边数据
+    if (leftData.isEmpty || rightData.isEmpty) {
+      final source = leftData.isEmpty ? rightData : leftData;
+      comparedData =
+          source
+              .map((row) => {...row, 'match_status': 'no_match', 'is_left': leftData.isNotEmpty})
+              .toList();
+      return;
+    }
+
+    // 3. 双边数据比对
+    final rightMap = {for (var r in rightData) r['key']: r};
+
+    for (var leftRow in leftData) {
+      final rightRow = rightMap[leftRow['key']];
+
+      if (rightRow != null) {
+        bool isFullMatch = leftColumns.every((col) => leftRow[col] == rightRow[col]);
+
+        comparedData.add({
+          ...leftRow,
+          'match_status': isFullMatch ? 'full_match' : 'key_match',
+          'is_left': true,
+          'right_data': rightRow,
+        });
+        rightMap.remove(leftRow['key']);
+      } else {
+        comparedData.add({...leftRow, 'match_status': 'no_match', 'is_left': true});
+      }
+    }
+
+    // 添加仅右表有的数据
+    comparedData.addAll(
+      rightMap.values.map((row) => ({...row, 'match_status': 'no_match', 'is_left': false})),
+    );
+
+    // 4. 排序：匹配的在前
+    comparedData.sort((a, b) {
+      const order = {'full_match': 0, 'key_match': 1, 'no_match': 2};
+      return order[a['match_status']]!.compareTo(order[b['match_status']]!);
+    });
   }
 
   void exportLeftTable(String matchType) {
@@ -89,39 +128,3 @@ class DataCompareController extends BaseContentController {
     // TODO: implement onOpenFolder
   }
 }
-
-class DataCompareDataSource extends DataGridSource {
-  final DataCompareController controller;
-  List<DataGridRow> _rows = [];
-
-  DataCompareDataSource(this.controller) {
-    _rows = [];
-  }
-
-  void updateData(List<Map<String, dynamic>> leftData, List<Map<String, dynamic>> rightData) {
-    _rows = [];
-    // Implement logic to combine left and right data into rows
-    // and determine comparison status
-    notifyListeners();
-  }
-
-  @override
-  List<DataGridRow> get rows => _rows;
-
-  @override
-  DataGridRowAdapter? buildRow(DataGridRow row) {
-    return DataGridRowAdapter(
-      cells:
-          row.getCells().map<Widget>((dataGridCell) {
-            return Container(
-              alignment: Alignment.center,
-              padding: EdgeInsets.all(8),
-              child:
-                  dataGridCell.value.runtimeType == Icon
-                      ? dataGridCell.value
-                      : Text(dataGridCell.value.toString()),
-            );
-          }).toList(),
-    );
-  }
-}

win_text_editor/lib/modules/data_compare/widgets/data_compare_data_source.dart

@@ -0,0 +1,85 @@
+import 'package:flutter/material.dart';
+import 'package:syncfusion_flutter_datagrid/datagrid.dart';
+import 'package:win_text_editor/modules/data_compare/controllers/data_compare_controller.dart';
+
+class DataCompareDataSource extends DataGridSource {
+  final DataCompareController controller;
+
+  DataCompareDataSource(this.controller) {
+    controller.addListener(_handleDataChange);
+  }
+
+  void _handleDataChange() {
+    notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    controller.removeListener(_handleDataChange);
+    super.dispose();
+  }
+
+  @override
+  List<DataGridRow> get rows {
+    return controller.comparedData.map((row) {
+      final isLeft = row['is_left'] as bool;
+      final rightData = row['right_data'] as Map<String, dynamic>?;
+      final status = row['match_status'] as String;
+
+      return DataGridRow(
+        cells: [
+          // 左表列
+          DataGridCell<String>(columnName: 'left_serial', value: isLeft ? row['serial'] : ''),
+          DataGridCell<String>(columnName: 'left_key', value: isLeft ? row['key'] : ''),
+          ...controller.leftColumns.map(
+            (col) => DataGridCell<String>(columnName: 'left_$col', value: isLeft ? row[col] : ''),
+          ),
+
+          // 对比状态
+          DataGridCell<Icon>(columnName: 'comparison', value: _getStatusIcon(status)),
+
+          // 右表列
+          DataGridCell<String>(
+            columnName: 'right_serial',
+            value: rightData?['serial'] ?? (!isLeft ? row['serial'] : ''),
+          ),
+          DataGridCell<String>(
+            columnName: 'right_key',
+            value: rightData?['key'] ?? (!isLeft ? row['key'] : ''),
+          ),
+          ...controller.rightColumns.map(
+            (col) => DataGridCell<String>(
+              columnName: 'right_$col',
+              value: rightData?[col] ?? (!isLeft ? row[col] : ''),
+            ),
+          ),
+        ],
+      );
+    }).toList();
+  }
+
+  Icon _getStatusIcon(String status) {
+    switch (status) {
+      case 'full_match':
+        return const Icon(Icons.double_arrow, color: Colors.green);
+      case 'key_match':
+        return const Icon(Icons.arrow_forward_ios, color: Colors.blue);
+      default:
+        return const Icon(Icons.close, color: Colors.red);
+    }
+  }
+
+  @override
+  DataGridRowAdapter? buildRow(DataGridRow row) {
+    return DataGridRowAdapter(
+      cells:
+          row.getCells().map<Widget>((cell) {
+            return Container(
+              alignment: Alignment.center,
+              padding: const EdgeInsets.all(8),
+              child: cell.value.runtimeType == Icon ? cell.value : Text(cell.value.toString()),
+            );
+          }).toList(),
+    );
+  }
+}

win_text_editor/lib/modules/data_compare/widgets/data_compare_grid.dart

@@ -5,7 +5,9 @@ import 'package:win_text_editor/modules/data_compare/controllers/data_compare_co
 class DataCompareGrid extends StatelessWidget {
   final DataCompareController controller;
 
-  const DataCompareGrid({super.key, required this.controller});
+  final DataGridSource dataSource;
+
+  const DataCompareGrid({super.key, required this.dataSource, required this.controller});
 
   @override
   Widget build(BuildContext context) {
@@ -14,7 +16,7 @@ class DataCompareGrid extends StatelessWidget {
         borderRadius: BorderRadius.circular(2.0), // 这里可以根据需求调整圆角的大小
       ),
       child: SfDataGrid(
-        source: controller.dataSource,
+        source: dataSource,
         columns: _buildColumns(),
         stackedHeaderRows: _buildStackedHeaders(),
         columnWidthMode: ColumnWidthMode.fill,

win_text_editor/lib/modules/data_compare/widgets/data_compare_view.dart

@@ -2,12 +2,12 @@ import 'dart:io';
 
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:syncfusion_flutter_datagrid/datagrid.dart';
 import 'package:win_text_editor/framework/controllers/logger.dart';
 import 'package:win_text_editor/framework/controllers/tab_items_controller.dart';
 import 'package:win_text_editor/modules/data_compare/controllers/data_compare_controller.dart';
+import 'package:win_text_editor/modules/data_compare/widgets/data_compare_data_source.dart';
 import 'data_compare_grid.dart'; // 新增导入
 
 class DataCompareView extends StatefulWidget {
@@ -23,6 +23,8 @@ class _DataCompareViewState extends State<DataCompareView> {
   late final DataGridController _dataGridController;
   bool _isControllerFromTabManager = false;
 
+  late final DataCompareDataSource _dataSource;
+
   get tabManager => Provider.of<TabItemsController>(context, listen: false);
 
   @override
@@ -39,6 +41,9 @@ class _DataCompareViewState extends State<DataCompareView> {
       _isControllerFromTabManager = false;
       tabManager.registerController(widget.tabId, _controller);
     }
+
+    // 初始化DataSource
+    _dataSource = DataCompareDataSource(_controller);
   }
 
   @override
@@ -208,7 +213,7 @@ class _DataCompareViewState extends State<DataCompareView> {
                     ],
                   ),
                 ),
-                Expanded(child: DataCompareGrid(controller: controller)),
+                Expanded(child: DataCompareGrid(dataSource: _dataSource, controller: controller)),
               ],
             ),
           );