From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001 From: huliguo <2023611923@qq.com> Date: 星期二, 20 五月 2025 12:25:19 +0800 Subject: [PATCH] 基础代码 --- pt-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java | 268 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 268 insertions(+), 0 deletions(-) diff --git a/pt-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java b/pt-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java new file mode 100644 index 0000000..44e80d8 --- /dev/null +++ b/pt-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java @@ -0,0 +1,268 @@ +package com.ruoyi.common.core.redis; + +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.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 RedisCache +{ + @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); + } +} -- Gitblit v1.7.1