一维条码符号中的数据字符和校验符是代表编码信息的字符,扫描识读后需要传输处理,左右两侧的空白区、起始符、终止符等都是不代表编码信息的辅助符号,仅供条码扫描识读时使用,不需要参与信息代码传输。 3、条码的种类 EAN 8 (2 or 5 digit supplement) EAN 13(2 or 5 digit supplement) Codabar (Monarch, NW-7, USD-4, 2 of 7 code) Code 39 Standard Code 39 Extended Code 93 Standard Code 93 Extended Code 128 AbcCodabar 2/5 Datalogic,Code25, 2 of 5 Code 11 (USD-8) Code25, 2 of 5, ITF Code25, 2/5 Matrix Code25, 2/5 Industrial Code25, 2/5 IATA Code25, 2/5 INVERT ITF6, ITF14 (SSC14), ITF16 ISBN (International Standard Book Number) ISSN (International Standard Serial Number) ISMN (International
Standard Music Number) UPC-A (with or without supplements) UPC-E0 (with or without supplements) UPC-E1 (with or without supplements) UPC-Shipping PostNet (ZIP, ZIP+4, DPBC) OPC (Optical
Industry Association) UCC/EAN 128