java create qr code

; String decodeddata = null; try {bufimg = Imageio.read (ImageFile); Qrcodedecoder decoder = new Qrcodedecoder (); Decodeddata = new String (Decoder.decode (New J2seimage (bufimg))); try {//System.out.println (New String (Decodeddata.getbytes ("gb2312"),//"gb2312")); } catch (Exception e) {//// Todo:handle exception//}} catch (IOException e) {System.out.println ("Error:" + e.getme Ssage ()); E.printstacktrace (); } c

)) { Throw NewIOException ("Could not write an image of format" +format); } } //generate a QR code picture content: Contents, url: Build Path Public Staticstring Genqrcode (String content,string URL) {//Verify that there are folderscreatedir.createdir (URL); String filename=NULL; //picture format of QR codeString format = "png"; Hashtable hints

Source: http://blog.csdn.net/wangpeng047/article/details/7181217 (thanks and respect for the original author) Normal use of the following code to do the jar package required, free points: http://download.csdn.net/detail/zihan11201120/4969485 1 package com.zihan.org; 2 3 Import Java. text. dateformat; 4 Import Java. text. simpledateformat; 5 import

Atitit. QR code generation summary java zxing# ----- Zxing class library ..But zxing3.0 class library core-3.0.jar needs jdk7So zing2.2.jar... jdk6 goes to OK ..Author old wow's paw Attilax iron, EMAIL: 1466519819@qq.comReprinted please indicate Source: http://blog.csdn.net/attilax# --- Qrcode. jspSharex c = new com. xx. share. sharex ();String imgsrc = c. gene (

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

QR code generation helper class [java] package com. dream. qrcodeen; import java. awt. image. bufferedImage; public class TwoDimensionCodeImage {BufferedImage bufImg; public TwoDimensionCodeImage (BufferedImage bufImg) {this. bufImg = bufImg;} public int getHeight () {return bufImg. getHeight ();} public int getPixel (

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

Personalize your own QR code and your own QR code. Personalize your own QR code. personalize your own QR code. 1. what is a

Personalize your own QR code and your own QR code 1. What is a QR code? 2. How to Create a QR code