添加下载模板功能

utils/function.py

@@ -1,10 +1,16 @@
 import io
 import os
 import re
+import shutil
 import sys
+import tempfile
+from typing import Optional
 
 import matplotlib
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QWidget
 from matplotlib import pyplot as plt
+from qfluentwidgets import InfoBar, InfoBarPosition
 
 
 def format_ranges(nums):
@@ -185,4 +191,35 @@ def resource_path(relative_path: str) -> str:
     return os.path.join(base_path, relative_path)
 
 
+def open_template(file_name: str, widget: QWidget) -> None:
+    """将模板文件复制到临时目录并打开"""
+    file_path = resource_path("template/" + file_name)
+
+    if not os.path.exists(file_path):
+        raise FileNotFoundError(f"Template file '{file_name}' not found.")
+
+    # 复制到临时目录
+    tmp_dir = tempfile.gettempdir()
+    tmp_file_path = os.path.join(tmp_dir, file_name)
+    shutil.copy(file_path, tmp_file_path)
+
+    # 打开文件
+    if sys.platform.startswith('win'):
+        os.startfile(tmp_file_path)
+    elif sys.platform.startswith('darwin'):
+        os.system(f'open "{tmp_file_path}"')
+    else:
+        os.system(f'xdg-open "{tmp_file_path}"')
+
+    InfoBar.info(
+        title='已打开文件',
+        content="编辑后请将文件另存为，保存至其他目录",
+        orient=Qt.Horizontal,
+        isClosable=True,
+        position=InfoBarPosition.TOP_RIGHT,
+        duration=2000,
+        parent=widget
+    )
+
+
 DEVELOPMENT_ENV = getattr(sys, 'frozen', False)