编辑框和按钮实现数据管理的一个例子供大家分享，响应键盘输入数据组，可调出及修改任意一组数据，求任意一组最大、最小值-Edit box and button realize an example of data management for everyone to share in response to keyboard input data sets, adjustable up and modification of any one set of data, and a group of a