fix:添加niceGui库美化页面

ui/core/task_runner.py

@@ -0,0 +1,73 @@
+import tkinter as tk
+from tkinter import filedialog
+from nicegui import ui, run
+from loguru import logger
+
+from ui.core.state import app_state
+
+
+async def select_folder():
+    """在 Native 模式下弹窗选择文件夹"""
+
+    def _pick():
+        root = tk.Tk()
+        root.withdraw()
+        root.attributes("-topmost", True)
+        path = filedialog.askdirectory()
+        root.destroy()
+        return path
+
+    return await run.io_bound(_pick)
+
+
+async def run_task(func, *args, **kwargs):
+    """通用任务执行器"""
+    if app_state.is_running:
+        ui.notify("当前有任务正在运行，请稍候...", type="warning")
+        return
+
+    # 1. 状态重置
+    app_state.is_running = True
+    app_state.stop_event.clear()
+    if app_state.progress_bar: app_state.progress_bar.set_value(0)
+    if app_state.progress_label: app_state.progress_label.set_text("🚀 正在启动任务...")
+
+    # 2. 定义进度条回调
+    def progress_callback(current, total, task_name="任务"):
+        if total <= 0:
+            pct = 0
+            text = f"{task_name}: 准备中..."
+        else:
+            pct = current / total
+            text = f"{task_name}: {current}/{total} ({int(pct * 100)}%)"
+
+        # 更新 UI
+        if app_state.progress_bar: app_state.progress_bar.set_value(pct)
+        if app_state.progress_label: app_state.progress_label.set_text(text)
+
+    # 3. 组装参数
+    kwargs['progress_callback'] = progress_callback
+    kwargs['stop_event'] = app_state.stop_event
+
+    # 4. 执行
+    try:
+        # 适配器：检查函数是否接受 stop_event
+        def _exec():
+            try:
+                func(*args, **kwargs)
+            except TypeError:
+                kwargs.pop('stop_event', None)
+                func(*args, **kwargs)
+
+        await run.io_bound(_exec)
+
+        if app_state.progress_label: app_state.progress_label.set_text("✅ 任务完成")
+        ui.notify("任务执行成功！", type="positive")
+
+    except Exception as e:
+        logger.error(f"任务出错: {e}")
+        if app_state.progress_label: app_state.progress_label.set_text(f"❌ 错误: {str(e)}")
+        ui.notify(f"任务失败: {e}", type="negative")
+    finally:
+        app_state.is_running = False
+        if app_state.progress_bar: app_state.progress_bar.set_value(0)