完全自主开发的源码，输入买入股票的价格，卖出股票的价格，以及准备卖出股票的数量，能够自动盈利情况，如果印花税有修改，还可以修改相关印花税，手续费等-It is the source for caluate stock ,you can input stock price that you buy,and that you will sell ,then ,the software caluate the result,ofcoures