金凯旋 重修vn.py笔记 之 五 ： 框架

现在，运行一个完整的vnpy 框架，从应用，到窗体以及各个app, 

我们尝试连接 ctp 运行环境，在simnow上注册有用户，服务信息里可以查到连接信息。 

启动下面文件后，在.vntrader 目录下， 会生成一个connect_ctp.json, 保存已经设置的连接信息。 

from vnpy.event import EventEnginefrom vnpy.trader.engine import MainEngine
from vnpy.trader.ui import MainWindow, create_qappfrom vnpy_ctp import CtpGateway
# from vnpy_ctptest import CtptestGateway
# from vnpy_mini import MiniGateway
# from vnpy_femas import FemasGateway
# from vnpy_sopt import SoptGateway
# from vnpy_uft import UftGateway
# from vnpy_esunny import EsunnyGateway
# from vnpy_xtp import XtpGateway
# from vnpy_tora import ToraStockGateway, ToraOptionGateway
# from vnpy_ib import IbGateway
# from vnpy_tap import TapGateway
# from vnpy_da import DaGateway
# from vnpy_rohon import RohonGateway
# from vnpy_tts import TtsGateway# from vnpy_paperaccount import PaperAccountApp
from vnpy_ctastrategy import CtaStrategyApp
from vnpy_ctabacktester import CtaBacktesterApp
# from vnpy_spreadtrading import SpreadTradingApp
# from vnpy_algotrading import AlgoTradingApp
# from vnpy_optionmaster import OptionMasterApp
# from vnpy_portfoliostrategy import PortfolioStrategyApp
# from vnpy_scripttrader import ScriptTraderApp
# from vnpy_chartwizard import ChartWizardApp
# from vnpy_rpcservice import RpcServiceApp
# from vnpy_excelrtd import ExcelRtdApp
from vnpy_datamanager import DataManagerApp
# from vnpy_datarecorder import DataRecorderApp
# from vnpy_riskmanager import RiskManagerApp
# from vnpy_webtrader import WebTraderApp
# from vnpy_portfoliomanager import PortfolioManagerAppdef main():""""""qapp = create_qapp()event_engine = EventEngine()main_engine = MainEngine(event_engine)main_engine.add_gateway(CtpGateway)# main_engine.add_gateway(CtptestGateway)# main_engine.add_gateway(MiniGateway)# main_engine.add_gateway(FemasGateway)# main_engine.add_gateway(SoptGateway)# main_engine.add_gateway(UftGateway)# main_engine.add_gateway(EsunnyGateway)# main_engine.add_gateway(XtpGateway)# main_engine.add_gateway(ToraStockGateway)# main_engine.add_gateway(ToraOptionGateway)# main_engine.add_gateway(IbGateway)# main_engine.add_gateway(TapGateway)# main_engine.add_gateway(DaGateway)# main_engine.add_gateway(RohonGateway)# main_engine.add_gateway(TtsGateway)# main_engine.add_app(PaperAccountApp)main_engine.add_app(CtaStrategyApp)main_engine.add_app(CtaBacktesterApp)# main_engine.add_app(SpreadTradingApp)# main_engine.add_app(AlgoTradingApp)# main_engine.add_app(OptionMasterApp)# main_engine.add_app(PortfolioStrategyApp)# main_engine.add_app(ScriptTraderApp)# main_engine.add_app(ChartWizardApp)# main_engine.add_app(RpcServiceApp)# main_engine.add_app(ExcelRtdApp)main_engine.add_app(DataManagerApp)# main_engine.add_app(DataRecorderApp)# main_engine.add_app(RiskManagerApp)# main_engine.add_app(WebTraderApp)# main_engine.add_app(PortfolioManagerApp)main_window = MainWindow(main_engine, event_engine)main_window.showMaximized()qapp.exec()if __name__ == "__main__":main()

　　这个框架包含了很强的容错信息。 在这个环境下，自写的代码出错，程序不会完全崩溃。