Delphi:用Delphi实现在程序中自定义文件输入格式，MyDateFile.Dat是存放数据的，程序支持数据格式判断，出错会提示“日期或价格填写错误”，每一个输入框都对应一种格式，当然数据判断代码也是不一样的，你可根据自己的需要查看对应代码。

-Delphi: Delphi to achieve in the program with a custom file input format, MyDateFile.Dat data is stored, the program supports data formats judgment, an error will be prompted to "fill in the date or price error", each corresponding to a different format input boxes are, of course, data to determine the code is not the same, you can view the corresponding code according to their needs.