. creategraphics (); G. setbackground (color. white); G. clearrect (0, 0,139,139); G. setcolor (color. black); // 3. construct a QR code image if (D. length> 0 D. length
Test class:
package test;import java.io.File;import org.xiazdong.QRCodeUtils;public class Test {public static void main(String[] args) throws Exception {QRCodeUtils.encode("xiazdong", new File("1.png"));String str = QRCodeUtils.decode(
We want to generate two-dimensional code need to use a number of class libraries to achieve, I introduce the PHP QR code to generate two-dimensional code bar, the generation method is very simple, I would like to introduce the following.
PHP class library using PHP QR
iOS native Cifilter Create two-dimensional code2016-05-31 Future CiOS native Cifilter Create two-dimensional codeAbout the two-dimensional code generation, online is also a lot, a long-ago third-party libraries are mostly written by C + +, but also some such as zxing, is also very useful, here is introduced through Cifilter to
Your website is your career, your website can make you realize unlimited possibilities!Today I come to introduce a new function, add two-dimensional code online production capabilities.Have to admit that the two-dimensional code is now used more and more frequently, we can put a variety of URLs, text, business cards, text messages, WiFi, telephone, mail, etc. into a QR
QR code identification on mobile phones
ProgramI have done a good job, and "I checked" is very useful.
I have collected several two-dimensional code generation websites:
Http://www.morovia.com/free-online-barcode-generator/qrcode-maker.php
Http://qrencode.sinaapp.com/
Http://www.mayacode.com/
As a programmer, we also need to know how to
Your website is your career, your website can make you realize unlimited possibilities!Today I come to introduce a new function, add two-dimensional code online production capabilities.Have to admit that the two-dimensional code is now used more and more frequently, we can put a variety of URLs, text, business cards, text messages, WiFi, telephone, mail, etc. into a QR
Your website is your career, your website can make you realize unlimited possibilities!Today I come to introduce a new function, add two-dimensional code online production capabilities.Have to admit that the two-dimensional code is now used more and more frequently, we can put a variety of URLs, text, business cards, text messages, WiFi, telephone, mail, etc. into a QR
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