新增Nanoid 工具类

common/pom.xml

@@ -13,7 +13,7 @@
     <name>公共模块</name>
 
     <properties>
-        <hutool.version>5.3.4</hutool.version>
+        <hutool.version>5.8.0</hutool.version>
     </properties>
 
     <dependencies>
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.hibernate.validator</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>6.1.5.Final</version>
+            <version>7.0.4.Final</version>
         </dependency>
     </dependencies>
 

common/src/main/java/com/storeroom/utils/NanoIdUtils.java

@@ -0,0 +1,70 @@
+package com.storeroom.utils;
+
+import java.security.SecureRandom;
+import java.util.Random;
+
+/**
+ * NanoId 工具类
+ */
+public final class NanoIdUtils {
+
+    private NanoIdUtils() {
+
+    }
+
+    public static final SecureRandom DEFAULT_NUMBER_GENERATOR = new SecureRandom();
+    public static final char[] DEFAULT_ALPHABET = "0123456789ABCDEF".toCharArray();
+
+
+    public static final int DEFAULT_SIZE = 21;
+
+    public static String randomNanoId() {
+        return randomNanoId(DEFAULT_NUMBER_GENERATOR, DEFAULT_ALPHABET, DEFAULT_SIZE);
+    }
+
+
+    /**
+     * 生成随机ID
+     * @param random 随机字符串
+     * @param alphabet 字母
+     * @param size  长度
+     * @return 随机id
+     */
+    public static String randomNanoId(final Random random, final char[] alphabet, final int size) {
+        if (random == null) {
+            /*随机数不能为空*/
+            throw new IllegalArgumentException("random cannot be null");
+        }
+        if (alphabet == null) {
+            /*字母不能为空*/
+            throw new IllegalArgumentException("alphabet cannot be null.");
+        }
+
+        if (alphabet.length == 0 || alphabet.length >= 256) {
+            /* 字母必须保护1-255个字符*/
+            throw new IllegalArgumentException("alphabet must contain between 1 and 255 symbols.");
+        }
+
+        if (size <= 0) {
+            /*长度必须大于0*/
+            throw new IllegalArgumentException("size must be greater than zero.");
+        }
+        final int mask = (2 << (int) Math.floor(Math.log(alphabet.length - 1) / Math.log(2))) - 1;
+        final int step = (int) Math.ceil(1.6 * mask * size / alphabet.length);
+
+        final StringBuilder idBuilder = new StringBuilder();
+        while (true) {
+            final byte[] bytes = new byte[step];
+            random.nextBytes(bytes);
+            for (int i = 0; i < step; i++) {
+                final int alphabetIndex = bytes[i] & mask;
+                if (alphabetIndex < alphabet.length) {
+                    idBuilder.append(alphabet[alphabetIndex]);
+                    if (idBuilder.length() == size) {
+                        return idBuilder.toString();
+                    }
+                }
+            }
+        }
+    }
+}

common/src/main/java/com/storeroom/utils/ValidationUtil.java

@@ -20,10 +20,5 @@ public class ValidationUtil {
         }
     }
 
-    /**
-     * 验证是否为邮箱
-     */
-    public static boolean isEmail(String email) {
-        return new EmailValidator().isValid(email, null);
-    }
+
 }

common/src/test/java/TestNonaId.java

@@ -0,0 +1,13 @@
+import com.storeroom.utils.NanoIdUtils;
+import org.junit.jupiter.api.Test;
+
+import java.util.UUID;
+
+public class TestNonaId {
+        @Test
+        public void createId(){
+                String nonaid= NanoIdUtils.randomNanoId();
+                System.out.println(nonaid);
+                System.out.println(UUID.randomUUID());
+        }
+}