生成和解析二维码（可带图片）及一维码

package com.util; import java.awt.Color; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.Hashtable; import javax.imageio.ImageIO; import com.google.zxing.BarcodeFormat; import com.google.zxing.BinaryBitmap; import com.google.zxing.DecodeHintType; import com.google.zxing.EncodeHintType; import com.google.zxing.LuminanceSource; import com.google.zxing.MultiFormatReader; import com.google.zxing.MultiFormatWriter; import com.google.zxing.Result; import com.google.zxing.client.j2se.BufferedImageLuminanceSource; import com.google.zxing.common.BitMatrix; import com.google.zxing.common.HybridBinarizer; import com.logo.zxing.MatrixToImageWriterEx; import com.logo.zxing.MatrixToLogoImageConfig; public class TwoCodeUtil { /* 引用的类库或包等:使用第三方开源工具类库com.google.zxing来实现二维码（QRCode）及一维码（条形码）的生成和解析 函数名称:生成二维码 功能/参数说明:生成和解析二维码及一维码 版本信息: Ver() Date Author Description --------- ---------- --------------- ------------------------------------ 1.0 2013/12/3 yejj 1. Created this Function. 备注: 使用范例: 运行test包里的Test.java，生成和解析二维码及一维码 */ private static final String CODE = "utf-8"; private static final int BLACK = 0xff000000; private static final int WHITE = 0xFFFFFFFF; public static String TwoCode(String content,String format,int width,int height,String savepath) throws Exception{ String result="异常"; if(width>0&&height>0){ BitMatrix matrix = MatrixToImageWriterEx.createQRCode(content,width, height); MatrixToImageWriterEx.writeToFile(matrix, format,savepath); result="成功:文件位于"+savepath; }else{ result="长度或高度不能小于0"; } return result; } //生成带LOGO的 public static String TwoCode(String content,String format,int width,int height,String savepath,Color borderColor,String logopath) throws Exception{ String result="异常"; if(width>0&&height>0){ BitMatrix matrix = MatrixToImageWriterEx.createQRCode(content,width, height); MatrixToLogoImageConfig logoConfig = new MatrixToLogoImageConfig(borderColor, 4); MatrixToImageWriterEx.writeToFile(matrix,format,savepath,logopath,logoConfig); //默认的 result="成功:文件位于"+savepath; }else{ result="长度或高度不能小于0"; } return result; } /** * 生成一维码（128） * * @author yejj * @param str * @param width * @param height * @return */ public static BufferedImage getBarcode(String content, Integer width, Integer height) { if (width == null || width < 200) { width = 200; } if (height == null || height < 50) { height = 50; } try { // 文字编码 Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>(); hints.put(EncodeHintType.CHARACTER_SET, CODE); BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.CODE_128, width, height, hints); return toBufferedImage(bitMatrix); } catch (Exception e) { e.printStackTrace(); } return null; } /** * 生成一维码，写到文件中 * * @author wuhongbo * @param str * @param height * @param file * @throws IOException */ public static void getBarcodeWriteFile(String str, Integer width, Integer height, File file) throws IOException { BufferedImage image = getBarcode(str, width, height); ImageIO.write(image, "png", file); } /** * 转换成图片 * * @author wuhongbo * @param matrix * @return */ private static BufferedImage toBufferedImage(BitMatrix matrix) { int width = matrix.getWidth(); int height = matrix.getHeight(); BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE); } } return image; } /** * 解码(二维、一维均可) */ public static String read(File file) { BufferedImage image; try { if (file == null || file.exists() == false) { throw new Exception(" File not found:" + file.getPath()); } image = ImageIO.read(file); LuminanceSource source = new BufferedImageLuminanceSource(image); BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source)); Result result; // 解码设置编码方式为：utf-8， Hashtable hints = new Hashtable(); hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); result = new MultiFormatReader().decode(bitmap, hints); return result.getText(); } catch (Exception e) { e.printStackTrace(); } return null; } }