采用vc++开发的API接口，用于自动与证券交易系统自动登录并自动下单操作的接口程序，可以设置好券商代码、营业部代码、账号密码，自动根据策略进行委托买卖，交易下单操作。效果很好(The interface program, which is developed by vc++, is used to automatically log in with the securities trading system automatically and automatically under the s