I have csv file like this
我有这样的csv文件
customerid orderid paymentamount orderdate ordernotes
1213 1233 16.99 01/01/2017 0:05 abcd acd cbvfd
1222 2343 44.99 01/01/2017 1:05 xyzzz
1234 4565 20.99 01/01/2017 2:05
1267 6754 11.99 01/02/2017 0:05 abcdabv
1785 8975 12.99 01/02/2017 1:05 xsdsgff
7654 7657 13.99 01/03/2017 2:00
6545 7867 10.99 01/03/2017 4:00 1/7 xyzzz
2/8 abcd
custo
