From eaa4e5993195fc8f01daacfc827f7f350f28962e Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期四, 10 四月 2025 16:21:44 +0800
Subject: [PATCH] 修改文档上的bug
---
ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java | 314 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 314 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java
new file mode 100644
index 0000000..46b77f3
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java
@@ -0,0 +1,314 @@
+package com.ruoyi.common.redis.service;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.logging.log4j.core.util.UuidUtil;
+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.stereotype.Component;
+
+/**
+ * spring redis 工具类
+ *
+ * @author ruoyi
+ **/
+@SuppressWarnings(value = { "unchecked", "rawtypes" })
+@Component
+public class RedisService
+{
+ @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 Long 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);
+ }
+ }
+
+ public <T> void setCacheMap(final String key, final Map<String, T> dataMap, long timeout)
+ {
+ if (dataMap != null) {
+ redisTemplate.opsForHash().putAll(key, dataMap);
+ redisTemplate.expire(key, timeout, TimeUnit.SECONDS);
+ }
+ }
+
+ /**
+ * 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);
+ }
+
+
+ /**
+ * 加锁
+ * @param key
+ * @return
+ */
+ public boolean lock(String key){
+ Boolean hasKey = redisTemplate.hasKey(key);
+ if(!hasKey){
+ redisTemplate.opsForValue().set(key, UuidUtil.getTimeBasedUuid().toString());
+ return true;
+ }
+ //30秒的等待
+ for (int i = 0; i < 60; i++) {
+ hasKey = redisTemplate.hasKey(key);
+ if(!hasKey){
+ redisTemplate.opsForValue().set(key, UuidUtil.getTimeBasedUuid().toString());
+ return true;
+ }
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ return false;
+ }
+
+ /**
+ * 解锁
+ * @param key
+ */
+ public void unlock(String key){
+ redisTemplate.delete(key);
+ }
+}
--
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