增加flask作为后台，查看products.db数据库表的功能

product/sqlite_viewer.py

@@ -14,7 +14,8 @@ from PySide6.QtWidgets import (QApplication, QMainWindow, QVBoxLayout, QHBoxLayo
                                QWidget, QPushButton, QTableWidget, QTableWidgetItem,
                                QListWidget, QListWidgetItem, QSplitter, QFileDialog,
                                QLabel, QStatusBar, QMessageBox, QHeaderView, QComboBox,
-                               QLineEdit, QGroupBox, QTextEdit, QStyledItemDelegate, QMenu)
+                               QLineEdit, QGroupBox, QTextEdit, QStyledItemDelegate, QMenu,
+                               QInputDialog)
 from PySide6.QtCore import Qt, QSize
 from PySide6.QtGui import QAction, QFontMetrics
 
@@ -244,6 +245,10 @@ class SQLiteViewer(QMainWindow):
         # 设置行头自动调整高度
         self.data_table.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
         
+        # 启用行高调整功能 - 允许用户手动拖拽调整行高
+        self.data_table.verticalHeader().setSectionsMovable(False)  # 行不允许移动
+        self.data_table.verticalHeader().setSectionResizeMode(QHeaderView.Interactive)  # 允许手动调整行高
+        
         # 添加右键菜单支持
         self.data_table.setContextMenuPolicy(Qt.CustomContextMenu)
         self.data_table.customContextMenuRequested.connect(self.show_table_context_menu)
@@ -572,6 +577,14 @@ class SQLiteViewer(QMainWindow):
         # 添加菜单项
         auto_resize_action = menu.addAction("自动调整列宽")
         auto_resize_rows_action = menu.addAction("自动调整行高")
+        
+        # 添加行高调整子菜单
+        row_height_menu = menu.addMenu("设置行高")
+        increase_height_action = row_height_menu.addAction("增加行高 (+10px)")
+        decrease_height_action = row_height_menu.addAction("减少行高 (-10px)")
+        reset_height_action = row_height_menu.addAction("重置行高为默认值")
+        custom_height_action = row_height_menu.addAction("自定义行高...")
+        
         copy_action = menu.addAction("复制选中内容")
         
         # 显示菜单
@@ -581,6 +594,14 @@ class SQLiteViewer(QMainWindow):
             self.auto_resize_columns()
         elif action == auto_resize_rows_action:
             self.auto_resize_rows()
+        elif action == increase_height_action:
+            self.adjust_row_height(10)
+        elif action == decrease_height_action:
+            self.adjust_row_height(-10)
+        elif action == reset_height_action:
+            self.reset_row_height()
+        elif action == custom_height_action:
+            self.set_custom_row_height()
         elif action == copy_action:
             self.copy_selected_content()
     
@@ -613,6 +634,68 @@ class SQLiteViewer(QMainWindow):
         
         self.status_bar.showMessage("已自动调整行高")
     
+    def adjust_row_height(self, delta: int):
+        """调整选中行的行高"""
+        selected_items = self.data_table.selectedItems()
+        if not selected_items:
+            # 如果没有选中行，调整所有行
+            for row in range(self.data_table.rowCount()):
+                current_height = self.data_table.rowHeight(row)
+                new_height = max(current_height + delta, 20)  # 最小行高20像素
+                self.data_table.setRowHeight(row, new_height)
+            self.status_bar.showMessage(f"所有行高已调整 {delta:+d} 像素")
+        else:
+            # 调整选中行
+            selected_rows = set(item.row() for item in selected_items)
+            for row in selected_rows:
+                current_height = self.data_table.rowHeight(row)
+                new_height = max(current_height + delta, 20)  # 最小行高20像素
+                self.data_table.setRowHeight(row, new_height)
+            self.status_bar.showMessage(f"已调整 {len(selected_rows)} 行的行高 {delta:+d} 像素")
+    
+    def reset_row_height(self):
+        """重置行高为默认值"""
+        logger.info("重置行高为默认值")
+        
+        # 重置为默认行高（30像素）
+        default_height = 30
+        for row in range(self.data_table.rowCount()):
+            self.data_table.setRowHeight(row, default_height)
+        
+        self.status_bar.showMessage("行高已重置为默认值")
+    
+    def set_custom_row_height(self):
+        """设置自定义行高"""
+        # 获取当前选中行的行高作为默认值
+        selected_items = self.data_table.selectedItems()
+        if selected_items:
+            current_height = self.data_table.rowHeight(selected_items[0].row())
+        else:
+            current_height = 30
+        
+        # 显示输入对话框
+        height, ok = QInputDialog.getInt(
+            self, 
+            "设置行高", 
+            "请输入行高（像素）:",
+            current_height,  # 默认值
+            20,  # 最小值
+            500  # 最大值
+        )
+        
+        if ok:
+            if selected_items:
+                # 设置选中行
+                selected_rows = set(item.row() for item in selected_items)
+                for row in selected_rows:
+                    self.data_table.setRowHeight(row, height)
+                self.status_bar.showMessage(f"已设置 {len(selected_rows)} 行的行高为 {height} 像素")
+            else:
+                # 设置所有行
+                for row in range(self.data_table.rowCount()):
+                    self.data_table.setRowHeight(row, height)
+                self.status_bar.showMessage(f"所有行高已设置为 {height} 像素")
+    
     def copy_selected_content(self):
         """复制选中的内容"""
         selected_items = self.data_table.selectedItems()