QrCodeUtil.zip_QRCODE_qrcode utild_二维码生成

package com.util; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.imageio.ImageIO; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import cn.da.posting.util.StringUtil; import com.google.zxing.BarcodeFormat; import com.google.zxing.Binarizer; 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.NotFoundException; import com.google.zxing.Result; import com.google.zxing.WriterException; import com.google.zxing.client.j2se.BufferedImageLuminanceSource; import com.google.zxing.client.j2se.MatrixToImageWriter; import com.google.zxing.common.BitMatrix; import com.google.zxing.common.HybridBinarizer; public class QrCodeUtil { private static final Log logger = LogFactory.getLog(QrCodeUtil.class); /** * 生成二维码图像 * * @throws WriterException * @throws IOException */ public static Boolean createQrCode(String qcImageFile, String content, String charset) { //String content = "weixin://wxpay/bizpayurl?sr=XXXXX"; try { int width = 200; // 图像宽度 int height = 200; // 图像高度 String format = "png";// 图像类型 Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>(); hints.put(EncodeHintType.CHARACTER_SET, charset); BitMatrix bitMatrix; bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints); // 生成矩阵 File file = new File(qcImageFile); MatrixToImageWriter.writeToFile(bitMatrix, format, file);// 输出图像 return true; } catch (WriterException e) { logger.error("二维码生成错误", e); } catch (IOException e) { logger.error("二维码生成错误", e); } return false; } /** * 解析二维码图像 */ public static String parseQrCode(String qcImageFile) { BufferedImage image; try { image = ImageIO.read(new File(qcImageFile)); LuminanceSource source = new BufferedImageLuminanceSource(image); Binarizer binarizer = new HybridBinarizer(source); BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer); Map<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>(); hints.put(DecodeHintType.CHARACTER_SET, "UTF-8"); Result result = new MultiFormatReader().decode(binaryBitmap, hints);// 对图像进行解码 return result.getText(); } catch (IOException e) { logger.error("二维码解析错误", e); } catch (NotFoundException e) { logger.error("二维码解析错误", e); } return StringUtil.EMPTY_STRING; } }