多余的 util

核销码开头为0

cash-common/cash-common-tools/src/main/java/com/czg/utils/CzgRandomUtils.java

@@ -10,6 +10,11 @@ public class CzgRandomUtils {
 
     private static final char[] DEFAULT_ALPHABET =
             "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
+    private static final char[] BASE_NUMBER =
+            "0123456789".toCharArray();
+
+    private static final char[] BASE_NUMBER_NO_ZERO =
+            "123456789".toCharArray();
 
     /**
      * 默认长度
@@ -35,4 +40,17 @@ public class CzgRandomUtils {
     public static String randomString(int length) {
         return NanoId.randomNanoId(null, DEFAULT_ALPHABET, length);
     }
+
+
+    public static String randomNumber(int length) {
+        return NanoId.randomNanoId(null, BASE_NUMBER, length);
+    }
+
+    public static String randomNumFirstNoZero(int length) {
+        return NanoId.randomNanoId(null, BASE_NUMBER_NO_ZERO, 1) + NanoId.randomNanoId(null, BASE_NUMBER, length - 1);
+    }
+
+    public static void main(String[] args) {
+        System.out.println(CzgRandomUtils.randomNumFirstNoZero(20));
+    }
 }

cash-common/cash-common-tools/src/main/java/com/czg/utils/DigestUtils.java

@@ -1,104 +0,0 @@
-package com.czg.utils;
-
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
-/**
- * Miscellaneous methods for calculating digests.
- *
- * <p>Mainly for internal use within the framework; consider
- * <a href="https://commons.apache.org/codec/">Apache Commons Codec</a>
- * for a more comprehensive suite of digest utilities.
- *
- * @author Arjen Poutsma
- * @author Juergen Hoeller
- * @author Craig Andrews
- * @since 3.0
- */
-public abstract class DigestUtils {
-
-	private static final String MD5_ALGORITHM_NAME = "MD5";
-
-	private static final char[] HEX_CHARS =
-			{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
-
-
-	/**
-	 * Calculate the MD5 digest of the given bytes.
-	 * @param bytes the bytes to calculate the digest over
-	 * @return the digest
-	 */
-	public static byte[] md5Digest(byte[] bytes) {
-		return digest(MD5_ALGORITHM_NAME, bytes);
-	}
-
-
-	/**
-	 * Return a hexadecimal string representation of the MD5 digest of the given bytes.
-	 * @param bytes the bytes to calculate the digest over
-	 * @return a hexadecimal digest string
-	 */
-	public static String md5DigestAsHex(byte[] bytes) {
-		return digestAsHexString(MD5_ALGORITHM_NAME, bytes);
-	}
-
-
-	/**
-	 * Append a hexadecimal string representation of the MD5 digest of the given
-	 * bytes to the given {@link StringBuilder}.
-	 * @param bytes the bytes to calculate the digest over
-	 * @param builder the string builder to append the digest to
-	 * @return the given string builder
-	 */
-	public static StringBuilder appendMd5DigestAsHex(byte[] bytes, StringBuilder builder) {
-		return appendDigestAsHex(MD5_ALGORITHM_NAME, bytes, builder);
-	}
-
-
-	/**
-	 * Create a new {@link MessageDigest} with the given algorithm.
-	 * <p>Necessary because {@code MessageDigest} is not thread-safe.
-	 */
-	private static MessageDigest getDigest(String algorithm) {
-		try {
-			return MessageDigest.getInstance(algorithm);
-		}
-		catch (NoSuchAlgorithmException ex) {
-			throw new IllegalStateException("Could not find MessageDigest with algorithm \"" + algorithm + "\"", ex);
-		}
-	}
-
-	private static byte[] digest(String algorithm, byte[] bytes) {
-		return getDigest(algorithm).digest(bytes);
-	}
-
-
-
-	private static String digestAsHexString(String algorithm, byte[] bytes) {
-		char[] hexDigest = digestAsHexChars(algorithm, bytes);
-		return new String(hexDigest);
-	}
-
-	private static StringBuilder appendDigestAsHex(String algorithm, byte[] bytes, StringBuilder builder) {
-		char[] hexDigest = digestAsHexChars(algorithm, bytes);
-		return builder.append(hexDigest);
-	}
-
-
-	private static char[] digestAsHexChars(String algorithm, byte[] bytes) {
-		byte[] digest = digest(algorithm, bytes);
-		return encodeHex(digest);
-	}
-
-
-	private static char[] encodeHex(byte[] bytes) {
-		char[] chars = new char[32];
-		for (int i = 0; i < chars.length; i = i + 2) {
-			byte b = bytes[i / 2];
-			chars[i] = HEX_CHARS[(b >>> 0x4) & 0xf];
-			chars[i + 1] = HEX_CHARS[b & 0xf];
-		}
-		return chars;
-	}
-
-}

cash-common/cash-common-tools/src/main/java/com/czg/utils/GeoUtil.java

@@ -1,10 +1,6 @@
 package com.czg.utils;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.stereotype.Component;
-import org.springframework.web.client.RestTemplate;
 
 /**
  * @author Administrator

cash-common/cash-common-tools/src/main/java/com/czg/utils/MD5Util.java

@@ -1,14 +0,0 @@
-package com.czg.utils;
-
-/**
- * @author ww
- */
-public class MD5Util {
-
-    /**
-     * MD5加密 十六进制
-     */
-    public static String md5AsHex(String str) {
-        return DigestUtils.md5DigestAsHex(str.getBytes());
-    }
-}