java qr code reader

25% of the world's people have procrastination--but I think it's definitely less, at least I'm a patient with procrastination. Always want to "Java generated business card (with background image, user network picture, user nickname) of the two-dimensional code" this blog share, but has been dragged and dragged, dragged to the present, really should be the Scottish proverb-" when you can do things, often do

JAVA Development-[QR code business card generation system], java Generation System Last month, the school had a software innovation cup. Recently, I saw a very popular QR code on the Internet. According to some technical articles

*@throwsException*/ Public StaticString decode (file file)throwsException {bufferedimage image; Image=imageio.read (file); if(Image = =NULL) { return NULL; } Bufferedimageluminancesource Source=NewBufferedimageluminancesource (image); Binarybitmap Bitmap=NewBinarybitmap (NewHybridbinarizer (source)); result result; Hashtable hints=NewHashtable (); Hints.put (Decodehinttype.character_set, CHARSET); Result=NewMultiformatreader (). Decode (bitmap, hints); Strin

*/ Public StaticString decode (BufferedImage bufferedimage)throwsdecodingfailedexception, unsupportedencodingexception{qrcodedecoder decoder=NewQrcodedecoder (); return NewString (Decoder.decode (NewMyqrcodeimage (BufferedImage)), "Utf-8"); } /*** Image Zoom*/ Private StaticBufferedImage Resize (bufferedimage image,intsize) {BufferedImage BufferedImage=Newbufferedimage (size, size, BUFFEREDIMAGE.TYPE_INT_RGB); Graphics2D GS=Bufferedimage.creategraphics (); Gs.setbackground

1. using Swetakeqrcode to generate a QR code in a Java projecthttp://swetake.com/qr/ or Http://sourceforge.jp/projects/qrcode/downloads/28391/qrcode.zip .This was written by the Japanese and generated by our common square QR code

For a long time did not publish a blog, today sent a Java tool class, suddenly found that the draft box unexpectedly has the previous inventory, one-time hair!!!Catalogue 1. QR code concept 2. development History of QR code 3. Two-dimensional

Java QR code tool class, with a LOGO in the middle, very powerful, java tool class logo Jar package download maven configuration: Xml Code collection code

Scan the code to log on to JAVA and scan java Reference (Development Platform): https://open.weixin.qq.com/cgi-bin/showdocument? Action = dir_list t = resource/res_list verify = 1 id = open1419425518 lang = zh_CN Summary (implementation process ): A. Registration (Pay): Get the appid, secret, and the domain name to jump to after setting the scan

The QR code generated in Java is directly output to the page if it is not saved to the disk. Therefore, the generated QR code needs to be output directly to the page in the form of a stream, I use myeclipse and tomcat. The principle is: when loading a page, according to the

) {File=NewFile ("E:" +file.separator+ "xxx.xxx");//own default storage path} imageio.write (image, format, file); returnfile; } V. Conversion into a streamIf you need to upload to a picture server, you need to convert bufferedimage into stream form /*** @Description: convert bufferedimage-> output stream *@paramimage Two-dimensional code content *@paramformat picture formats such as JPG, GIF, etc. *@paramOutputStream Output Stream *@return * @thro

Package com. liuxingyu;Import java. awt. Color;Import java. awt. Graphics2D;Import java. awt. Image;Import java. awt. image. BufferedImage;Import java. io. File;Import javax. imageio. ImageIO;Import com. swetake. util. Qrcode;Public class Dimensional {/*** Generate a

Step 1 download the zpxing. jar package and load it in (there are many similar jar packages on the Internet. Here we use the jar provided by Google) QR code tool: Package com. zpxing. controller; import java. awt. basicStroke; import java. awt. graphics; import java. awt. g

After reading the QR code today, I felt good. I also collected a demo, saying that the demo was actually modified based on the basic functions. 1. Set up the environment. The required jar packages include Here is the online reference demo. Where To make modifications based on the original and open-source packages. 2. QR c