一、UPC-A码的结构 UPC-A码由不同类型的字符组成,包括数字字符和特殊字符。每个UPC-A码都分为三个部分:起始码(Start Code)、商品码(Product Code)和校验码(Check Digit)。 1.起始码(Start Code) 起始码是UPC-A码的开头,用于标识码的开始位置。它由两个数字字符“101”表示。 2.商品码(Product Code) 商...
iPhone Description This app is easy calculator for UPC-A check digit. UPC has 12 digits, a last digit is "check digit". You can calculate easily with using this app. What’s New Version History 6 Jun 2023 Version 1.1.1 Support latest iOS version ...
UPC-A码用于通用商品，是美国均匀码理事会制定的一种商品条码，主要在美国及加拿大使用，也是适用范围最广的一种UPC码。UPC-A码是定长码，支持的字符集为0-9数字，只能表示12位数字（1位系统符，5位制造商代码，5位产品代码，1位校验码）。UPC-A商品条码符号从左至右，依次是起始符、左侧数据符、中间分隔符、...
A check digit is calculated using a special algorithm to ensure a valid code. The first digit indicates the product type, and the following five digits are a unique code provided to the vendor. Thus, the vendor will have the same code even if the store differs. The following five digits ...
一个EAN-13条码被划分成了4个区域: 1)数制(Number System) 2)厂商码(Mfg Code) 3)商品码(Product Code) 4)校验位(Check Digit)。通常,第一个数制位被打印在条码的左边,第二个数制位被作为条码下方左手边的那组六位数的第一个字符打印,厂商码是条码下方左手边的后5位数,产品码是条码下方右手边的前五位数...
UPC-E → UPC-A Explanation UPC-A Suppose that you want to find the check digit of UPC-A number72641217542. From the right to the left, start with odd position, assign the odd/even position to each digit. Sum all digits in odd position and multiply the result by 3:(7+6+1+1+5+2...
This app is easy calculator for UPC-A check digit. UPC has 12 digits, a last digit is "check digit". You can calculate easily with using this app. 新内容 版本记录 2023年6月6日 版本1.1.1 Support latest iOS version App 隐私 开发者“Zelda, Inc.”已表明该 App 的隐私规范可能包括了下述...
UPCA - 12-digit Universal Product Code. This barcode is used to identify each product with a unique code. It consists of a 1-digit Numbering System, 5-digit Manufacturer's code, 5-digit Product Code, and 1 Check Digit. UPCE - A 6-digit condensed version of UPCA. This barcode is typ...
该函数使用CalculateChecksumDigit功能来计算正确的校验和数字,然后使用的ConvertToDigitPatterns功能不同的UPC - A条码编号的数字部分转换为字符串表示。一旦数字已被转换为字符串表示形式,该代码使用的字符串表示形式呈现条码,1会导致要绘制一个矩形,和0将导致代码跳过绘制一个矩形。如果代码绘制一个矩形,它也需要考虑...
barcode and 6 digit UPC Type E barcode. A check digit is automatically calculated by the barcode generation software in both UPC variations for a total of 12 digits on a UPC-A barcode and 8 digits on a UPC-E barcode. There are scenarios where it is necessary to receive a UPC-A ...