这些是文件的要求：
对于平面文件发票（.csv 或 .txt），XXX 请求添加页眉和页脚记录，以及所有记录的第一个字段中的记录类型。承运人详细信息记录的记录类型值应为 D.
XXX 标题：
Record Type, Customer ID, Sender ID, Receiver ID, Carrier, File Type, Transaction Set, Version, File Date, File Control #, Invoice Date, Invoice Number, Invoice Amount, Invoice Account, Currency Code
H,Customer,Sender,Receiver,Carrier,Invoice,TransSet,OTH,06/01/2020,000000001,05/31/2020,9999,25000.00,ABC123,USD
Record Type: H
Customer ID: Hardcoded value to represent customer – Supplied by XXX during implementation
Sender ID: Hardcoded Value to represent sender of data – Supplied by XXX during implementation (CHAR(15), NULL)
Receiver ID: Hardcoded value to represent receiver of data – Supplied by XXX during implementation (CHAR(15), NULL)
Carrier: Hardcoded value to represent Carrier - Supplied by XXX during implementation
File Type: Hardcoded value – “Invoice”
Transaction Set: Hardcoded value – Supplied by XXX during implementation
Version: Hardcoded value – “CSV” if comma-delimited, or “OTH” if pipe-delimited (or another delimiter).
File Date: Date or Date Time stamp (DATETIME, NULL)
File Control #: Unique File identifier – can be a string – max length 9 (CHAR(9), NULL)
Invoice Date: Carrier’s Invoice Date (DATETIME, NULL)
Invoice Number: Carrier’s Invoice Number (CHAR(22), NULL)
Invoice Amount: Carrier’s Total Amount Due (MONEY, NULL)
Invoice Account: Carrier’s Customer Bill To Account Number (CHAR(30), NULL)
Currency Code: Billed Currency Code – USD, CAD (CHAR(3), NULL)
承运人的详细记录：
Record Type, Carrier Field1, Carrier Field2, Carrier Field3, etc.
D, Carrier’s Field 1, Carrier’s Field2, Carrier’s Field 3
D, Carrier’s Field 1, Carrier’s Field2, Carrier’s Field 3
D, Carrier’s Field 1, Carrier’s Field2, Carrier’s Field 3
D, Carrier’s Field 1, Carrier’s Field2, Carrier’s Field 3
XXX 页脚：
Record Type, Transaction Count
F,4
Record Type: F
Transaction Count: Count of detail records in file (excludes header and footer record from the count).`
我搜索了互联网，但似乎找不到任何接近我想要的东西。有人可以帮忙吗？