文件名是final_test1.txt

01781110110230A
02861211090120B
03771312120110C
04881413299220A
05821514005220A
06821417005900A
07781510092300B
08871312030230B
09791213188100B
10791114177090C
11841112054010C
12831110014200C
13851317045290A
14861711024300A
15881512700400C
16771214050520B
17891313080320A
18881412032350C
19861511024250C
20851314045100A
21911517030300B

以data format.xls的形式 通过sasdata set读出来