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 = st
Please download the Snoopy class first
Copy CodeThe code is as follows:
/*** Public Platform PHP-SDK* Wechatauth for unofficial Login API* Users to access the QR code provided by scanning the Web page to achieve the landing information* The main implementation of the following functions:* Get_login_code () to obtain a login authorization
to identify a variety of format bar code Open source project), and I also successfully found the Zxing library GitHub address, which includes a lot of language QR code recognition, interested can see for themselves. Below we use the php-zxing extension. Introduce the extension in the composer file and then composer update{"require": {"dsiddharth2/php-zxing": "De
Encoding is to convert common numbers and characters into QR codes. Before coding the QR code, let's talk about the maximum capacity of the QR code.
I. Maximum capacity
The maximum size of a Q
Two years ago, when I wrote the QR code, no one knew it. Later on the mobile phone scan QR code software More, also changed the era.
Thanks for the smart phone and.
==============================================================
Two-dimensional code is a two-dimensional bar
Custom QR code scanning open-source library ZXing and open-source zxing
(Sorry, the article is still being modified but accidentally published =)
I recently used the ZXing open-source library for QR code scanning. I would like to share with you some experience in code modifi
Use PHP to generate a QR code. Today, with extensive application of QR codes, it is the most basic requirement to automatically generate corresponding QR codes on websites. This article introduces three ways to automatically generate a QR
QR codes are very popular now.The front end also has two-dimensional code generation way: Jquery.qrcodeQRCode is actually achieved by using jquery to achieve graphical rendering, supporting HTML5 technology, as long as it is implemented by canvas. Transmission DoorJava generated two-dimensional code is very mature, and compatibility is very good.Directly download
Ios qr code generation, ios
This blog will introduce the generation of QR codes.
Since there is nothing worth a long term, I will introduce the QR code through code implementation.
Part 1
The first part is the simple generation of
This article has sorted out some ways for php to generate a QR code: 1. open APIs for google; 2. php class library PHPQRCode; 3. libqrencode; 4. for more information about QRcodePerlCGI amp; PHPscripts, See section 1. open api for google
The code is as follows:
$ UrlToEncode = "http://bbs.lewanchina.com ";GenerateQRfromGoogle ($ urlToEncode );Function generat
Android generates a QR code with an image,
I. Problem Description
In development, we need to convert the information into two-dimensional code storage and require the company logo. We know that Google's Zxing open-source project can help us to generate and parse the barcode and two-dimensional
temporary two-dimensional code eh and permanent Two-dimensional code, the former and expiration time, the longest is 1800s.To generate a QR code you need to call 3 interfaces,The first one is Access_token.The second one is to generate the ticket interfaceThe third one is the ticket generated by the second interface in
PHP generated two-dimensional code, personally think that the most commonly used, 1. Using Google's API generation, 2. Using PHP QR code generation, the two-dimensional code generated by both methods is very clear, the effect is good. The following shows how these two methods are implemented separately.
PHP uses Googl
code in the middle of the picture, in fact, is affixed to, because the two-dimensional code has fault tolerance, so adding a small picture does not affect the parsing effect. 2, from the installation file to see this open source tool is actually using the zxing library to produce and parse the QR code, this and the pr
without entering the user name and password? In other words, how can I let the server know that the client scanning the QR code is a legal user?
2. how does the server respond to the webpage in real time based on the user's choice on the client?
First, let's take a look at the implementation ideas to help us understand the direction of thinking for solving this problem. The login
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.