SE_股票交易_需求分析
2016-04-11 01:47:20 4 举报
SE_股票交易系统需求分析:本系统旨在为投资者提供一个便捷、高效、安全的股票交易平台。主要功能包括实时行情查询、自选股管理、委托下单、持仓查询、资金流水等。用户可通过注册登录,实现个人信息管理、交易密码修改等功能。系统需支持多种终端设备访问,如PC端、移动端等。在安全性方面,需采用加密传输技术保障用户信息安全,同时设置风险警示机制,提醒用户注意投资风险。此外,系统还需具备良好的扩展性,以便在未来根据市场需求进行功能升级和优化。
作者其他创作
大纲/内容
user stock holding amount to be updated
unfreeze the capital
usable capital amount (buying)frozen capital amount (selling) to be updated
instructions needs revoking
unfreezinginstruction
trade results
waiting for the trade to be done
trading info
query if the instruction has been executed
verify if total buying price is not higher than the user's total usable capital amount
upper and lower bound for the selling price
user
users' stocks holding DB
update relevant database
freezing amount
trade success status
trade results interface
buying instructionstock's No.buying pricebuying amount
selling instructionstocks's No.selling priceselling amount
revocation results interface
users' financial account DB
capital amountthat needs unfreezing
stocks DB
the user's total usable capital amount
freeze the capital used to buy stocks
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