From dc3f9cc91759823ce59486f19b138be4b296a0f1 Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期二, 28 四月 2026 09:43:28 +0800
Subject: [PATCH] #
---
src/main/java/com/zy/common/utils/RedisUtil.java | 41 ++++++++++++++++++++++++++++++++++++++++-
1 files changed, 40 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/zy/common/utils/RedisUtil.java b/src/main/java/com/zy/common/utils/RedisUtil.java
index a51936c..2c27c76 100644
--- a/src/main/java/com/zy/common/utils/RedisUtil.java
+++ b/src/main/java/com/zy/common/utils/RedisUtil.java
@@ -4,9 +4,11 @@
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
+import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -209,6 +211,44 @@
}
redisTemplate.execute((RedisCallback<Void>) connection -> null);
return true;
+ } catch (Exception e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ public boolean trySetStringIfAbsent(String key, String value, long timeSeconds) {
+ if (key == null || value == null) {
+ return false;
+ }
+ try {
+ Boolean result;
+ if (timeSeconds > 0) {
+ result = stringRedisTemplate.opsForValue().setIfAbsent(key, value, timeSeconds, TimeUnit.SECONDS);
+ } else {
+ result = stringRedisTemplate.opsForValue().setIfAbsent(key, value);
+ }
+ return Boolean.TRUE.equals(result);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ public boolean compareAndDelete(String key, String expectedValue) {
+ if (key == null || expectedValue == null) {
+ return false;
+ }
+ try {
+ DefaultRedisScript<Long> script = new DefaultRedisScript<>();
+ script.setScriptText(
+ "if redis.call('get', KEYS[1]) == ARGV[1] then " +
+ "return redis.call('del', KEYS[1]) " +
+ "else return 0 end"
+ );
+ script.setResultType(Long.class);
+ Long result = stringRedisTemplate.execute(script, Collections.singletonList(key), expectedValue);
+ return result != null && result > 0;
} catch (Exception e) {
e.printStackTrace();
return false;
@@ -705,4 +745,3 @@
}
-
--
Gitblit v1.9.1