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Code 128 Barcodes in LEADTOOLS

代码128的符号是一个非常高密度线性的barcode used in a wide variety of shipping and packaging industries around the world.

Sample Barcode

Symbology
BarcodeSymbology.Code128		The Code 128 barcode can encode all 128 ASCII characters through the use of multiple character code sets and special command codes.

Barcode Support

Data Options	Member
LEADTOOLS Symbology Identifier	BarcodeSymbology.Code128and for read only,BarcodeSymbology.UCCEAN128
Data Class	BarcodeData
读选项	OneDBarcodeReadOptions
Write Options	OneDBarcodeWriteOptions

Features

Supports all character subsets (A, B, and C). By utilizing three character sets, Code 128 is able to encode all 128 ASCII characters in a compact linear barcode. Special control characters allow for temporary switching between character sets.
- Character Set A includes all the standard upper case alphanumeric keyboard characters, plus ASCII control characters and special characters.
- Character Set B also contains all the standard upper and lower case alphanumeric keyboard characters and special characters.
- 字符集C,也被称为双密度模式, is composed of 100 pairs of digits from 00 to 99, and special characters. This enables numeric-only data to be represented with twice the density.
Subset-switching compression mechanism that allows representing large amounts of barcode data with smaller ones.
Options to create/write barcodes that fit perfectly in your application.

代码128编码数据结构

There are several specialized data structures that use Code 128 encoding.

GS1-128 / UCC-128 / EAN-128 / Code 128

GS1-128, also known as UCC/EAN-128, UCC-128 and EAN-128, is a specialized, self-describing data structure conveyed as a Code 128 symbol. This means that not only does the Code 128 symbol store the data, but also stores what the data represents and how it should be formatted. This is done with the use of "Application Identifiers" defined in the EAN-128 standard.

UCC/EAN-14 / GTIN-14 / DUN-14

UCC/EAN-14 is a specialized data structure usually consisting of 13 alphanumeric characters and a check digit. EAN-14 symbols have a similar application usage as compared to the EAN-13 symbol.

SISAC

SISAC is a specialized data structure represented as a Code 128 symbol. The data structure that is stored is a SISAC-encoded Serial Item and Contribution Identifier and is used to represent periodical items such as magazines.

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