利用键盘中断编写程序完成以下功能：

（1）在LCD上排显示"TJU EIE05 xxxxxx"，其中xxxxxx表示学号，下排右端显示按键的键号1~9。

（2）1键对下排左端显示的内容进行加1操作，2键对下排左端显示的内容进行减1操作，数的变化范围在0~8之间，初始值为0。

-The use of the keyboard interrupt programming to perform the following functions:　(1) ranked in the LCD display " TJU EIE05 xxxxxx" , which indicated that school No. xxxxxx, the next row shows the right side of the key button 1 ~ 9.　 (2) 1 row of keys on the left shows the contents of 1 operation, 2 under the row of the left button to display the contents of an operation carried out by a number of changes in the range of 0 ~ 8 between the initial value is 0.