中文说明：程序实现了通过GUI界面向excel文件写入数据，并把数据在uitable控件上实时显示出来。同时，允许用户对最后输入的数据进行修改并重新输入，并把修改的结果在table上显示。
English Description：
Realized by the write data to excel file through the GUI interface, and the data displayed in real time on the uitable control. At the same time, allows the user to input data last modified and re-enter, and modify the results displayed on the table.