简单电子记事本：输入预处理事件以及相关信息、根据需要进行相关查询、可修改记事本中相关记录、根据需要删除相关纪录、将记事本中的记录显示出来、将记录保存到文件中、将文件中的记录读出。-Simple electronic notebook: Enter the pretreatment events and related information, according to the need for related queries, you can modify the related records, according to the need to remove the records, the records show that in Notepad, the record is saved to a file, Notepad willrecords in the file is read.