Merge branch 'test'

redis-support-lib/src/main/java/cn/axzo/foundation/redis/support/RedisIdWorker.java

@@ -0,0 +1,57 @@
+package cn.axzo.foundation.redis.support;
+
+import cn.axzo.foundation.web.support.AppRuntime;
+import cn.axzo.foundation.web.support.utils.KeyBuilder;
+import lombok.Builder;
+import org.springframework.data.redis.core.RedisTemplate;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * https://blog.csdn.net/m0_54189068/article/details/131546812
+ */
+public class RedisIdWorker {
+
+    private static final long BEGIN_TIMESTAMP = 1640995200L;
+    private static final long COUNT_BITS = 32;
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd");
+
+    private RedisTemplate redisTemplate;
+    private AppRuntime appRuntime;
+
+    @Builder
+    public RedisIdWorker(RedisTemplate redisTemplate, AppRuntime appRuntime) {
+        this.redisTemplate = redisTemplate;
+        this.appRuntime = appRuntime;
+    }
+
+    /**
+     * 根据时间+redis产生全唯一键
+     */
+    public long nextId(String prefix) {
+        // 1.生成全局ID时间戳部分
+        LocalDateTime date = LocalDateTime.now();
+        long nowSecond = date.toEpochSecond(ZoneOffset.UTC);
+        long timestamp = nowSecond - BEGIN_TIMESTAMP;
+
+        // 2.生成全局ID序列号部分
+        // 2.1获取当前日期，精确到天
+        // 2.2获取自增长值
+        Long count = getDailyNextId(prefix, date.toLocalDate());
+
+        // 3.拼接时间戳和序列号并返回
+        return timestamp << COUNT_BITS | count;
+    }
+
+    /**
+     * 根据时间+redis产生当天自增id
+     */
+    public long getDailyNextId(String prefix, LocalDate date) {
+        String key = KeyBuilder.build(appRuntime, prefix, "icr", DATE_TIME_FORMATTER.format(date));
+        Long count = redisTemplate.opsForValue().increment(key);
+        return count;
+    }
+}