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+package com.rongwei.business.common.utils;
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+
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+import cn.hutool.core.date.DateUtil;
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+import com.google.zxing.BarcodeFormat;
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+import com.google.zxing.EncodeHintType;
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+import com.google.zxing.MultiFormatWriter;
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+import com.google.zxing.WriterException;
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+import com.google.zxing.client.j2se.MatrixToImageWriter;
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+import com.google.zxing.common.BitMatrix;
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+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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+import com.rongwei.rwcommon.utils.Constants;
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+import com.rongwei.rwcommon.utils.SecurityUtil;
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+import com.rongwei.rwcommonentity.commonservers.domain.SysFileFolderDo;
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+import com.rongwei.rwcommonentity.commonservers.domain.SysFileItemDo;
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+
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+import javax.crypto.Cipher;
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+import javax.crypto.SecretKey;
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+import javax.crypto.SecretKeyFactory;
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+import javax.crypto.spec.DESKeySpec;
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+import javax.crypto.spec.IvParameterSpec;
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+import java.io.File;
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+import java.io.FileOutputStream;
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+import java.io.IOException;
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+import java.util.Date;
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+import java.util.HashMap;
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+import java.util.UUID;
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+
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+/**
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+ * @author shangmi
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+ */
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+public class QrCodeGeneratorUtils {
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+ /**
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+ * 文件上传的保存路径
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+ */
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+ public static String UPLOAD_PATH = System.getProperty("user.dir") + File.separator + "upload" + File.separator;
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+
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+ /**
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+ * 生成二维码,返回相对路径
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+ *
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+ * @param text
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+ * @return
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+ */
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+ public static String generateQRCodeImage(String text) {
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+ HashMap hashMap = new HashMap(16);
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+ // 设置二维码字符编码
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+ hashMap.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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+ // 设置二维码纠错等级
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+ hashMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
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+ // 设置二维码边距
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+ hashMap.put(EncodeHintType.MARGIN, 1);
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+ try {
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+ // 开始生成二维码
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+ BitMatrix bitMatrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, 300, 300, hashMap);
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+ SysFileItemDo sysFileItem = new SysFileItemDo();
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+ String fileId = SecurityUtil.getUUID();
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+ String fileUrl = "/files/";;
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+ String filePath = sysConfigService.getContentByConfigCode(Constants.CONFIG_FILE_ROOT_PATH);
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+ sysFileItem.setExtends1("files");
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+ SysFileFolderDo sysFileFolderDo = sysFileFolderService.getFolderByFoldercode(foldercode);
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+ String moduleName = sysFileFolderDo.getFullfolderpath();
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+ sysFileItem.setFilefolderid(sysFileFolderDo.getId());
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+ String fileName = UUID.randomUUID() + ".png";
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+ fileUrl = fileUrl + fileName.substring(fileName.lastIndexOf(".") + 1);
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+
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+ sysFileItem.setFilename(fileName);
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+
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+ sysFileItem.setFiletype(fileName.substring(fileName.lastIndexOf(".") + 1));
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+ sysFileItem.setStoragetype("1");
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+ sysFileItem.setFullpath(filePath + fileName);
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+ sysFileItem.setUrlpath(fileUrl);
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+ sysFileItem.setRelationid("0");
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+ sysFileItem.setId(fileId);
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+ sysFileItem.setCreatedate(new Date());
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+ sysFileItem.setModifydate(new Date());
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+
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+ File targetFile = new File(filePath);
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+ if (!targetFile.exists()) {
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+ targetFile.mkdirs();
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+ }
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+ File file = new File(filePath + fileName);
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+ sysFileItem.setFilesize(file.length());
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+ // 导出到指定目录
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+ MatrixToImageWriter.writeToPath(bitMatrix, "png", file.toPath());
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+
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+ return sysFileItem.getUrlpath();
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+ } catch (WriterException e) {
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+ e.printStackTrace();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ return null;
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+ }
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+
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+
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+ public static byte[] DES_CBC_Encrypt(byte[] content, byte[] keyBytes) {
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+ try {
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+ DESKeySpec keySpec = new DESKeySpec(keyBytes);
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+ SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
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+ SecretKey key = keyFactory.generateSecret(keySpec);
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+ Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
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+ cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(keySpec.getKey()));
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+ byte[] result = cipher.doFinal(content);
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+ return result;
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+ } catch (Exception e) {
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+ System.out.println("exception:" + e.toString());
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+ }
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+ return null;
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+ }
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+
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+ public static String byteToHexString(byte[] bytes) {
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+ StringBuffer sb = new StringBuffer(bytes.length);
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+ String sTemp;
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+ for (int i = 0; i < bytes.length; i++) {
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+ sTemp = Integer.toHexString(0xFF & bytes[i]);
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+ if (sTemp.length() < 2) {
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+ sb.append(0);
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+ }
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+ sb.append(sTemp.toUpperCase());
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+ }
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+ return sb.toString();
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+ }
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+
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+ public static void main(String[] args) {
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+ String text = "https://www.baidu.com";
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+ String s = generateQRCodeImage(text);
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+ System.out.println(s);
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+ }
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+}
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