From 0ab9dfd8f122195e4e9f09bd50c59e0a47450bec Mon Sep 17 00:00:00 2001
From: mitao <2763622819@qq.com>
Date: 星期三, 19 三月 2025 15:50:03 +0800
Subject: [PATCH] fix: resolve merge conflicts in .gitignore
---
ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java | 343 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 343 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java
new file mode 100644
index 0000000..96864ac
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java
@@ -0,0 +1,343 @@
+package com.ruoyi.common.core.redis;
+
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.BoundSetOperations;
+import org.springframework.data.redis.core.HashOperations;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.ValueOperations;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
+import org.springframework.data.redis.core.script.RedisScript;
+import org.springframework.stereotype.Component;
+
+/**
+ * spring redis 工具类
+ *
+ * @author ruoyi
+ **/
+@SuppressWarnings(value = { "unchecked", "rawtypes" })
+@Component
+public class RedisCache
+{
+ private static final String LOCK_PREFIX = "lock:";
+ private static final RedisScript<Long> UNLOCK_SCRIPT = new DefaultRedisScript<>(
+ "if redis.call('get', KEYS[1]) == ARGV[1] then " +
+ " return redis.call('del', KEYS[1]) " +
+ "else " +
+ " return 0 " +
+ "end",
+ Long.class
+ );
+ @Autowired
+ public RedisTemplate redisTemplate;
+
+ /**
+ * 缓存基本的对象，Integer、String、实体类等
+ *
+ * @param key 缓存的键值
+ * @param value 缓存的值
+ */
+ public <T> void setCacheObject(final String key, final T value)
+ {
+ redisTemplate.opsForValue().set(key, value);
+ }
+
+ /**
+ * 缓存基本的对象，Integer、String、实体类等
+ *
+ * @param key 缓存的键值
+ * @param value 缓存的值
+ * @param timeout 时间
+ * @param timeUnit 时间颗粒度
+ */
+ public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
+ {
+ redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
+ }
+
+ /**
+ * 设置有效时间
+ *
+ * @param key Redis键
+ * @param timeout 超时时间
+ * @return true=设置成功；false=设置失败
+ */
+ public boolean expire(final String key, final long timeout)
+ {
+ return expire(key, timeout, TimeUnit.SECONDS);
+ }
+
+ /**
+ * 设置有效时间
+ *
+ * @param key Redis键
+ * @param timeout 超时时间
+ * @param unit 时间单位
+ * @return true=设置成功；false=设置失败
+ */
+ public boolean expire(final String key, final long timeout, final TimeUnit unit)
+ {
+ return redisTemplate.expire(key, timeout, unit);
+ }
+
+ /**
+ * 获取有效时间
+ *
+ * @param key Redis键
+ * @return 有效时间
+ */
+ public long getExpire(final String key)
+ {
+ return redisTemplate.getExpire(key);
+ }
+
+ /**
+ * 判断 key是否存在
+ *
+ * @param key 键
+ * @return true 存在 false不存在
+ */
+ public Boolean hasKey(String key)
+ {
+ return redisTemplate.hasKey(key);
+ }
+
+ /**
+ * 获得缓存的基本对象。
+ *
+ * @param key 缓存键值
+ * @return 缓存键值对应的数据
+ */
+ public <T> T getCacheObject(final String key)
+ {
+ ValueOperations<String, T> operation = redisTemplate.opsForValue();
+ return operation.get(key);
+ }
+
+ /**
+ * 删除单个对象
+ *
+ * @param key
+ */
+ public boolean deleteObject(final String key)
+ {
+ return redisTemplate.delete(key);
+ }
+
+ /**
+ * 删除集合对象
+ *
+ * @param collection 多个对象
+ * @return
+ */
+ public boolean deleteObject(final Collection collection)
+ {
+ return redisTemplate.delete(collection) > 0;
+ }
+
+ /**
+ * 缓存List数据
+ *
+ * @param key 缓存的键值
+ * @param dataList 待缓存的List数据
+ * @return 缓存的对象
+ */
+ public <T> long setCacheList(final String key, final List<T> dataList)
+ {
+ Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
+ return count == null ? 0 : count;
+ }
+
+ /**
+ * 获得缓存的list对象
+ *
+ * @param key 缓存的键值
+ * @return 缓存键值对应的数据
+ */
+ public <T> List<T> getCacheList(final String key)
+ {
+ return redisTemplate.opsForList().range(key, 0, -1);
+ }
+
+ /**
+ * 缓存Set
+ *
+ * @param key 缓存键值
+ * @param dataSet 缓存的数据
+ * @return 缓存数据的对象
+ */
+ public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
+ {
+ BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
+ Iterator<T> it = dataSet.iterator();
+ while (it.hasNext())
+ {
+ setOperation.add(it.next());
+ }
+ return setOperation;
+ }
+
+ /**
+ * 获得缓存的set
+ *
+ * @param key
+ * @return
+ */
+ public <T> Set<T> getCacheSet(final String key)
+ {
+ return redisTemplate.opsForSet().members(key);
+ }
+
+ /**
+ * 缓存Map
+ *
+ * @param key
+ * @param dataMap
+ */
+ public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
+ {
+ if (dataMap != null) {
+ redisTemplate.opsForHash().putAll(key, dataMap);
+ }
+ }
+
+ /**
+ * 获得缓存的Map
+ *
+ * @param key
+ * @return
+ */
+ public <T> Map<String, T> getCacheMap(final String key)
+ {
+ return redisTemplate.opsForHash().entries(key);
+ }
+
+ /**
+ * 往Hash中存入数据
+ *
+ * @param key Redis键
+ * @param hKey Hash键
+ * @param value 值
+ */
+ public <T> void setCacheMapValue(final String key, final String hKey, final T value)
+ {
+ redisTemplate.opsForHash().put(key, hKey, value);
+ }
+
+ /**
+ * 获取Hash中的数据
+ *
+ * @param key Redis键
+ * @param hKey Hash键
+ * @return Hash中的对象
+ */
+ public <T> T getCacheMapValue(final String key, final String hKey)
+ {
+ HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
+ return opsForHash.get(key, hKey);
+ }
+
+ /**
+ * 获取多个Hash中的数据
+ *
+ * @param key Redis键
+ * @param hKeys Hash键集合
+ * @return Hash对象集合
+ */
+ public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
+ {
+ return redisTemplate.opsForHash().multiGet(key, hKeys);
+ }
+
+ /**
+ * 删除Hash中的某条数据
+ *
+ * @param key Redis键
+ * @param hKey Hash键
+ * @return 是否成功
+ */
+ public boolean deleteCacheMapValue(final String key, final String hKey)
+ {
+ return redisTemplate.opsForHash().delete(key, hKey) > 0;
+ }
+
+ /**
+ * 获得缓存的基本对象列表
+ *
+ * @param pattern 字符串前缀
+ * @return 对象列表
+ */
+ public Collection<String> keys(final String pattern)
+ {
+ return redisTemplate.keys(pattern);
+ }
+
+ /**
+ * 尝试加锁
+ *
+ * @param lockKey 锁的key
+ * @param requestId 锁的持有者标识符（如UUID）
+ * @param expireTime 锁的过期时间（秒）
+ * @return 加锁成功返回true，否则返回false
+ */
+ public boolean tryLock(String lockKey, String requestId, long expireTime) {
+ String lockKeyWithPrefix = LOCK_PREFIX + lockKey;
+ // 使用SET命令的NX和PX选项来加锁
+ Boolean result = redisTemplate.opsForValue().setIfAbsent(lockKeyWithPrefix, requestId, expireTime, TimeUnit.SECONDS);
+ return result != null && result;
+ }
+
+ /**
+ * 尝试加锁
+ *
+ * @param lockKey 锁的key
+ * @param requestId 锁的持有者标识符（如UUID）
+ * @param expireTime 锁的过期时间（秒）
+ * @return 加锁成功返回true，否则返回false
+ */
+ public boolean trylockLoop(String lockKey, String requestId,long expireTime) {
+ String lockKeyWithPrefix = LOCK_PREFIX + lockKey;
+ // 使用SET命令的NX和PX选项来加锁
+ Boolean result = false;
+ int num = 50;
+ while (num>0){
+ result = redisTemplate.opsForValue().setIfAbsent(lockKeyWithPrefix, requestId, expireTime, TimeUnit.SECONDS);
+ if (result){
+ break;
+ }
+ try {
+ TimeUnit.MILLISECONDS.sleep(200);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ num--;
+ }
+ return result;
+ }
+
+
+ /**
+ * 解锁
+ *
+ * @param lockKey 锁的key
+ * @param requestId 锁的持有者标识符（如UUID）
+ * @return 解锁成功返回true，否则返回false
+ */
+ public boolean unlock(String lockKey, String requestId) {
+ String lockKeyWithPrefix = LOCK_PREFIX + lockKey;
+ // 使用Lua脚本来验证锁的持有者并解锁
+ Long result = (Long) redisTemplate.execute(UNLOCK_SCRIPT, Collections.singletonList(lockKeyWithPrefix), requestId);
+ return result != null && result == 1L;
+ }
+
+ /**
+ * 自增
+ * @param key 要加一的键
+ */
+ public int increment(String key) {
+ // +1 操作
+ return redisTemplate.opsForValue().increment(key).intValue();
+ }
+
+}
--
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