bar code producer

Recently looking at some barcode related information, and if just look, the effect does not seem very good, so decided to do some demo, to enhance the memory of the relevant knowledge. Here's an example I've written using WPF to generate Code 39, and Code 39 is very simple to encode, so it's the first time you try it first. Standard Code 39 supports only 43 cha

Introduction: Zbarsdk is an open-source SDK that can be downloaded from here to the source code, which implements the identification and reading of various bar codes, including EAN-13/UPC-A, UPC-E, EAN-8, code 128, code 39, interleaved 2 of 5 and QR code. Help document:

Python ReportLab: An Example of bar code and two-dimensional code drawing, pythonreportlab Barcode and QR code # Introduce the required basic package from reportlab.pdf gen import canvasfrom reportlab. graphics. barcode import code39, code128, code93from reportlab. graphics. barcode import eanbc, qr, uspsfrom reportlab

Loading progress bar special effect code based on jQuery and jquery special effect code The special effect code for loading progress bars Based on jQuery is a simple jQuery progress bar code for loading new data and obtaining dat

This article mainly introduces JavaScript code for simulating the simple scroll bar effect, which can simulate the scroll bar drag display effect. It involves JavaScript mouse event response and page element operation related skills, the demo source code is provided for readers to download. If you need it, you can refe

downloaded source code package. 1-2. this article, like the previous article, is mainly an example of coding and decoding of bar code (EAN-13) and QR code (QRCode) on PC, for your reference, the source code of core and javase in the source

This article mainly introduces the zbar decoding QR code and bar code examples. For more information, see The code is as follows: #! /Usr/bin/env python# Coding: u8Import OSImport zbarImport ImageImport urllibImport uuidDef qrRead (url ):Uuid1 = uuid. uuid1 ()Filename = str (uuid1) + ". jpg"Print uuid1Urllib. urlretr

', ' Sichuan ', ' Shanghai ', ' Tianjin ', ' Tibet ', ' Xinjiang ', ' Yunnan ', ' Zhejiang ']c=[' Wen ', ' Li ']url = ' https://www.wmzy.com/api/score/getScoreList?type=wenprovince=33 ' reform_url=furl.furl (URL) w=auto_ Sqlsever. Mssql (database= ' Provincescore ', datatable=[' scoreprovince ') "). Replace (' The first batch of ' specialties ', '). Replace (', ') zhuan_yi_s Plit = Zhuan_

literal Unreacherd Area: progress bar (rectangular) After the current progress value text According to the above analysis, we want to implement the progress bar with a number, only to follow the following three steps to achieve: 1. Draw Reacherd Area (progress bar of text before current progress value) 2, Draw the text area (the current progress value texts)

There are two common methods to process bar codes in excle: 1. Use the barcode font 2. Use the Excel control "Microsoft barcode control" For the use of bar code fonts, many people on the Internet say that the size of the problem, after the experiment, 20 ~ 36. Common codes include 39 codes and code128. Therefore, the two fonts are installed first, and the formats

Today, I saw my colleagues in the Group talking about the last verification code of the EAN-13 standard bar code, so I wrote this algorithm with js. Today's Monday is the beginning of a week. I wish you a good mood every day! /* The calculation steps of the last digit verification code of the EAN-13 standard

Python progress bar shows sample code for processing progress in real time, and python sample code Preface In most cases, our program will continue to process cyclically. At this time, we hope to know the processing progress of the program and decide what to do next. Next we will show you how to implement this function easily and beautifully. How to use this clas

This article mainly introduces js imitation Baidu Post Bar Verification Code special effect instance code. If you need it, you can refer to the Baidu verification code that is very interesting today and copy it. Use JS to achieve automatic comparison after four options are selected. This article uses the static compar

Jquery address bar link matching special effect code Summary (2), jquery special effect code As described in, when such a function appears,Click a link to add a style to the link address after the jumpTo add a special style by adding class as current. : Click HTML + css3 to jump to and add a style to it: The js Code