fix: 修复 PyInstaller 打包资源文件问题

- 添加 templates 和 static 目录到打包
- 添加更多 hidden imports
- 修复 Flask 资源路径，兼容 PyInstaller

Author: User

build_backend.py

@@ -37,17 +37,26 @@ def build():
         "--distpath", output_dir,
         "--workpath", os.path.join(script_dir, "build", "pyinstaller"),
         "--specpath", os.path.join(script_dir, "build"),
+        # Include data files
+        "--add-data", f"{os.path.join(script_dir, 'templates')}{os.pathsep}templates",
+        "--add-data", f"{os.path.join(script_dir, 'static')}{os.pathsep}static",
         # Hidden imports
         "--hidden-import", "flask",
         "--hidden-import", "flask_cors",
         "--hidden-import", "requests",
         "--hidden-import", "bs4",
         "--hidden-import", "lxml",
+        "--hidden-import", "lxml.html",
+        "--hidden-import", "lxml.etree",
         "--hidden-import", "werkzeug",
         "--hidden-import", "jinja2",
         "--hidden-import", "markupsafe",
         "--hidden-import", "itsdangerous",
         "--hidden-import", "click",
+        "--hidden-import", "html2text",
+        "--hidden-import", "xhtml2pdf",
+        "--hidden-import", "reportlab",
+        "--hidden-import", "ebooklib",
         # Main program
         os.path.join(script_dir, "web_app.py")
     ]

web_app.py

@@ -14,10 +14,24 @@
 from flask import Flask, render_template, request, jsonify, send_from_directory
 from flask_cors import CORS
 
+# PyInstaller 打包后的资源路径处理
+def get_resource_path(relative_path):
+    """获取资源文件的绝对路径，兼容 PyInstaller 打包"""
+    if hasattr(sys, '_MEIPASS'):
+        # PyInstaller 打包后的临时目录
+        return os.path.join(sys._MEIPASS, relative_path)
+    return os.path.join(os.path.dirname(os.path.abspath(__file__)), relative_path)
+
 # 添加当前目录到路径
-sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+if hasattr(sys, '_MEIPASS'):
+    sys.path.insert(0, sys._MEIPASS)
+else:
+    sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
-app = Flask(__name__, static_folder='static', template_folder='templates')
+# Flask 应用初始化
+template_folder = get_resource_path('templates')
+static_folder = get_resource_path('static')
+app = Flask(__name__, static_folder=static_folder, template_folder=template_folder)
 CORS(app)
 
 # 全局状态