From 59fd7eeeb3a233c288e2440b65f59d11b16c4620 Mon Sep 17 00:00:00 2001
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Date: Tue, 10 Dec 2024 09:55:11 +0000
Subject: [PATCH] =?UTF-8?q?add=20=E6=96=B0=E5=A2=9E=20=E5=9F=BA=E4=BA=8ERe?=
 =?UTF-8?q?disson=E7=9A=84=E5=8F=91=E5=8F=B7=E5=99=A8=E5=B7=A5=E5=85=B7?=
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---
 .../common/redis/utils/SequenceUtils.java     | 165 ++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java

diff --git a/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java b/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java
new file mode 100644
index 000000000..3c2f70329
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-redis/src/main/java/org/dromara/common/redis/utils/SequenceUtils.java
@@ -0,0 +1,165 @@
+package org.dromara.common.redis.utils;
+
+import cn.hutool.core.date.DatePattern;
+import cn.hutool.core.date.DateUtil;
+import org.dromara.common.core.utils.SpringUtils;
+import org.dromara.common.core.utils.StringUtils;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.redisson.api.RIdGenerator;
+import org.redisson.api.RedissonClient;
+
+import java.time.Duration;
+
+/**
+ * 发号器工具类
+ *
+ * @author 秋辞未寒
+ * @date 2024-12-10
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class SequenceUtils {
+
+    /**
+     * 默认初始值
+     */
+    public static final Long DEFAULT_INIT_VALUE = 1L;
+    /**
+     * 默认步长
+     */
+    public static final Long DEFAULT_STEP_VALUE = 1L;
+    /**
+     * 默认过期时间-天
+     */
+    public static final Duration DEFAULT_EXPIRE_TIME_DAY = Duration.ofDays(1);
+    /**
+     * 默认过期时间-分钟
+     */
+    public static final Duration DEFAULT_EXPIRE_TIME_MINUTE = Duration.ofMinutes(1);
+
+    /**
+     * 获取Redisson客户端实例
+     */
+    private static final RedissonClient REDISSON_CLIENT = SpringUtils.getBean(RedissonClient.class);
+
+    /**
+     * 获取ID生成器
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return ID生成器
+     */
+    private static RIdGenerator getIdGenerator(String key, Duration expireTime, Long initValue, Long stepValue) {
+        if (initValue == null || initValue <= 0) {
+            initValue = DEFAULT_INIT_VALUE;
+        }
+        if (stepValue == null || stepValue <= 0) {
+            stepValue = DEFAULT_STEP_VALUE;
+        }
+        RIdGenerator idGenerator = REDISSON_CLIENT.getIdGenerator(key);
+        // 设置过期时间
+        idGenerator.expire(expireTime);
+        // 设置初始值和步长
+        idGenerator.tryInit(initValue, stepValue);
+        return idGenerator;
+    }
+
+    /**
+     * 获取指定业务key的唯一id
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return 唯一id
+     */
+    public static long nextId(String key, Duration expireTime, Long initValue, Long stepValue) {
+        return getIdGenerator(key, expireTime, initValue, stepValue).nextId();
+    }
+
+    /**
+     * 获取指定业务key的唯一id字符串
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @param initValue  ID初始值
+     * @param stepValue  ID步长
+     * @return 唯一id
+     */
+    public static String nextIdStr(String key, Duration expireTime, Long initValue, Long stepValue) {
+        return String.valueOf(nextId(key, expireTime, initValue, stepValue));
+    }
+
+    /**
+     * 获取指定业务key的唯一id (ID初始值=1,ID步长=1)
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @return 唯一id
+     */
+    public static long nextId(String key, Duration expireTime) {
+        return getIdGenerator(key, expireTime, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+    }
+
+    /**
+     * 获取指定业务key的唯一id字符串 (ID初始值=1,ID步长=1)
+     *
+     * @param key        业务key
+     * @param expireTime 过期时间
+     * @return 唯一id
+     */
+    public static String nextIdStr(String key, Duration expireTime) {
+        return String.valueOf(nextId(key, expireTime));
+    }
+
+    /**
+     * 获取 yyyyMMdd 开头的唯一id
+     *
+     * @return 唯一id
+     */
+    public static String nextIdDate() {
+        return nextIdDate("");
+    }
+
+    /**
+     * 获取 prefix + yyyyMMdd 开头的唯一id
+     *
+     * @param prefix 业务前缀
+     * @return 唯一id
+     */
+    public static String nextIdDate(String prefix) {
+        // 前缀+日期 构建 prefixKey
+        String prefixKey = StringUtils.format("{}{}", StringUtils.blankToDefault(prefix, ""), DateUtil.format(DateUtil.date(), DatePattern.PURE_DATE_FORMATTER));
+        // 获取下一个id
+        long nextId = getIdGenerator(prefixKey, DEFAULT_EXPIRE_TIME_DAY, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+        // 返回完整id
+        return StringUtils.format("{}{}", prefixKey, nextId);
+    }
+
+    /**
+     * 获取 yyyyMMddHHmmss 开头的唯一id
+     *
+     * @return 唯一id
+     */
+    public static String nextIdDateTime() {
+        return nextIdDateTime("");
+    }
+
+    /**
+     * 获取 prefix + yyyyMMddHHmmss 开头的唯一id
+     *
+     * @param prefix 业务前缀
+     * @return 唯一id
+     */
+    public static String nextIdDateTime(String prefix) {
+        // 前缀+日期时间 构建 prefixKey
+        String prefixKey = StringUtils.format("{}{}", StringUtils.blankToDefault(prefix, ""), DateUtil.format(DateUtil.date(), DatePattern.PURE_DATETIME_FORMATTER));
+        // 获取下一个id
+        long nextId = getIdGenerator(prefixKey, DEFAULT_EXPIRE_TIME_MINUTE, DEFAULT_INIT_VALUE, DEFAULT_STEP_VALUE).nextId();
+        // 返回完整id
+        return StringUtils.format("{}{}", prefixKey, nextId);
+    }
+
+}