股票交易系统的管理程序，可以管理多个股票，输入这些股票的名称、代码、总股数、可交易的股数以及状态，并且可不断添加新股票，但这些只能由管理员操作（输入密码正确方可）。用户先注册再登录（以后可应需要修改用户信息），然后可以买卖股票，股票交易市场的可交易股数随用户买卖股数的情况而变化-Management program stock trading system, you can manage multiple stocks, enter the name of these stocks, code, total number of shares, the number of shares traded and the state, and can continue to add new stock, but these can only be operated by the administrator (input password correctly before). Users first register and then login (later should you need to modify the user information), then you can buy and sell stocks, the stock market can change by the number of shares traded with the number of users trading shares