java qr code reader

colorG.clearrect (0, 0, 139, 139);G.setcolor (Color.Black); Barcode Colorif (bstr.length > 0 bstr.length Boolean[][] B = Qrcode.calqrcode (BSTR);for (int i = 0; i for (int j = 0; J if (B[j][i]) {G.fillrect (J * 3 + 2, I * 3 + 2, 3, 3);}}}}G.dispose ();Bi.flush ();String FilePath = "d:/images/" +param.substring (0,5) + ". jpg";File F = new file (FilePath);Imageio.write (BI, "JPG", f);}public static void Main (String args[]) {DataInputStream din = null;try{InputStreamReader is = new InputStreamR

MAVEN ConfigurationJava codeImport java.io.IOException;Import Java.io.OutputStream;Import Java.util.HashMap;Import Java.util.Map;Import Com.google.zxing.BarcodeFormat;Import Com.google.zxing.EncodeHintType;Import Com.google.zxing.MultiFormatWriter;Import com.google.zxing.WriterException;Import Com.google.zxing.client.j2se.MatrixToImageWriter;Import Com.google.zxing.common.BitMatrix;Public abstract class Qrcodeutil{public static void Getqrcode (String URL, outputstream os){int width = 200;int hei

Private StaticFinalintBLACK =0xff000000; Private StaticFinalintWhite =0xFFFFFFFF; PrivateMatrixtoimagewriter () {} Public Staticbufferedimage tobufferedimage (Bitmatrix matrix) {intwidth =matrix.getwidth (); intHeight =matrix.getheight (); BufferedImage Image=Newbufferedimage (width, height, bufferedimage.type_int_rgb); for(intx =0; x ) { for(inty =0; Y {Image.setrgb (x, y, matrix).Get(x, y)?black:white); } } returnimage; } Public Static voidWriteToFile (Bitmatrix matrix

QR code creation and scanning, QR code creation and Scanning Yesterday, we introduced a QR code creation policy. During the test, we found that the generated QR

Generate QR code and QR code generator 1. Use the zxing provided by google to generate a QR code without a logo Public static void main (String [] args) {try {// String contet = "http://izhongwei.github.io/blog/index.html"; //

Reprinted please indicate the source: http://blog.csdn.net/xiaanming/article/details/10163203 I learned about the QR code. At that time, the QR code scanning function was launched, and I felt very novel. I scanned a picture and could add friends directly. It was incredible that I didn't know the

provides qrcode scanning for downloading, the No. 1 online store opened a "wall sticker Supermarket" on the Shanghai Metro. Passers-by only need to use their mobile phones to scan the qrcode of a product and then place an order to purchase it. The application we want to do this time is to generate a QR code and a reader. A class library on Windows Phone 7 is req

Jquery generates the QR code. jquery generates the QR code. Go to the topic: Introduce jquery js and jquery-qrcode.js. I will upload the code demo to the resource library later. The code is simple: It is easier to generate a

Limited Special Equipment Support mobile phone, PAD, webcam Limited Special Equipment Currently most mobile QR code software only supports Aztec CodeNo static requirements suitable for identification in a limited space; The general code value in the handheld terminal, such as mobile phone, because the edge of the screen is reflective

are: PDF417 code, QR Code, Han letter code, color barcode, quick mark Code, data matrixOne-dimensional code two-dimensional code　　　　　　　　　　　　　　One-dimensional barcode--

information both in the horizontal and vertical directions, while a QR code contains information in only one direction. QR codes can contain much more information than bar codes. Compared with other QR codes, QR codes have the advantages of fast reading speed, high data d

introduced Good confidentiality and anti-counterfeiting. 6. low cost, easy to make, and durable Because of these features, QR codes are becoming increasingly popular and widely used. (For more information, see Baidu encyclopedia. This article is not the focus, this blog post will show you how to generate and parse the QR code. I.

= [infoObjectforkey:Uiimagepickercontrolleroriginalimage]; Results. resultimage. Image = image; ID [Info objectforkey:Zbarreadercontrollerresults]; For (zbarsymbol * symIn Syms ){ Results. resulttext. Text = sym. Data; Break; } } 2. Generate a QR code)Qrencoder is easier to use in the library that generates the QR code