java-Two-dimensional code to write zxing

Zxing This is Google's

Http://code.google.com/p/zxing/downloads/list

Two-dimensional code source case

 Packagecom.utils;ImportJava.awt.image.BufferedImage;ImportJava.awt.image.DataBufferByte;ImportJava.io.File;Importjava.io.IOException;Importjava.util.Date;Importjava.util.Hashtable;ImportJavax.imageio.ImageIO;ImportCom.google.zxing.BarcodeFormat;ImportCom.google.zxing.EncodeHintType;ImportCom.google.zxing.MultiFormatWriter;ImportCom.google.zxing.common.BitMatrix; Public classUtilsqrcode {Private Static Final intBLACK = 0xff000000; Private Static Final intWhite = 0xFFFFFFFF; /**     * @paramargs*/     Public Static voidMain (string[] args) {File file=NewFile ("c:\\users\\huage\\desktop\\ picture \ \" +NewDate (). GetTime () + ". png"); Encode ("Http://www.baidu.com", File, Barcodeformat.qr_code, 200, 200); }        /**     * @paramContents *@paramfile *@paramformat *@paramWidth *@paramHeight*/     Public Static  voidEncode (String contents, file file, Barcodeformat format,intWidthintheight) {        Try{Contents=NewString (Contents.getbytes ("UTF-8"), "Iso-8859-1"); Hashtable<encodehinttype, object> hints =NewHashtable<encodehinttype, object>(); Hints.put (Encodehinttype.character_set,"Utf-8"); Hints.put (Encodehinttype.margin,1); Bitmatrix Bitmatrix=NewMultiformatwriter (). Encode (contents, format, width, height,hints); BufferedImage Image=tobufferedimage (Bitmatrix); WriteToFile (Image,"PNG", file); } Catch(Exception e) {e.printstacktrace (); }    }             Public Static byte[] imgtobytes (bufferedimage image) {if(Image = =NULL)return New byte[0]; byte[] data =((DataBufferByte) Image.getdata (). Getdatabuffer ()). GetData (); returndata; }         Public Static voidWriteToFile (bufferedimage image, String format, file file)throwsIOException {if(Image = =NULL|| File = =NULL)return;    Imageio.write (image, format, file); }         Public Staticbufferedimage tobufferedimage (Bitmatrix matrix) {intwidth =matrix.getwidth (); intHeight =matrix.getheight (); BufferedImage Image=Newbufferedimage (width, height, bufferedimage.type_int_argb);  for(intx = 0; x < width; X + +) {             for(inty = 0; Y < height; y++) {Image.setrgb (x, Y, Matrix.get (x, y)==true?black:white); }        }        returnimage; }}

java-Two-dimensional code to write zxing