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"""
PyQt5前端主程序入口
"""
import sys
from PyQt5 . QtWidgets import QApplication , QMessageBox
from frontend . main_window import MainWindow
from frontend . utils . api_client import APIClient
def check_backend_connection ( ) :
""" 检查后端连接 """
try :
client = APIClient ( )
client . _get ( " /health " )
return True
except Exception as e :
return False
def main ( ) :
""" 主函数 """
app = QApplication ( sys . argv )
# 检查后端连接
if not check_backend_connection ( ) :
QMessageBox . critical ( None , " 连接失败 " , " 无法连接到后端服务器！ \n "
" 请确保后端服务已启动（运行 python backend/main.py） \n "
" 错误信息：后端服务未运行或无法访问 " )
sys . exit ( 1 )
# 创建主窗口
window = MainWindow ( )
window . show ( )
sys . exit ( app . exec_ ( ) )
if __name__ == " __main__ " :
main ( )
