705 lines
19 KiB
Java
705 lines
19 KiB
Java
package com.sgcc.utils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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/**
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* Redis封装工具类
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*
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* @author zhaoyuanyuan
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* @version 1.0.0
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* @date 2024/07/03 11:30
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*/
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@Slf4j
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@Component
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public class RedisUtils {
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@Resource
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private RedisTemplate<String, Object> redisTemplate;
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/**
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* 指定缓存失效时间
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*
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* @param key 键
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* @param time 时间(秒)
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* @return
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*/
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public boolean expire(String key, long time) {
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try {
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log.info("RedisCmd==================expire key:[{}]", key);
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if (time > 0) {
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//logger.debug("指定缓存失效时间key＝"+key + ",time=" + time);
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redisTemplate.expire(key, time, TimeUnit.SECONDS);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 根据key获取过期时间
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*
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* @param key 键 不能为null
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* @return 时间(秒) 返回0代表为永久有效
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*/
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public long getExpire(String key) {
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log.info("RedisCmd==================getExpire key:[{}]", key);
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return redisTemplate.getExpire(key, TimeUnit.SECONDS);
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}
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/**
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* 判断key是否存在
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*
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* @param key 键
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* @return true 存在 false不存在
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*/
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public boolean hasKey(String key) {
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try {
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log.info("RedisCmd==================hasKey key:[{}]", key);
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return redisTemplate.hasKey(key);
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 重名名key，如果newKey已经存在，则newKey的原值被覆盖
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*
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* @param oldKey 原key
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* @param newKey 新key
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*/
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public void renameKey(String oldKey, String newKey) {
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try {
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log.info("RedisCmd==================renameKey oldKey:[{}] newKey:[{}]", oldKey, newKey);
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redisTemplate.rename(oldKey, newKey);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* newKey不存在时才重命名
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*
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* @param oldKey 原key
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* @param newKey 新key
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* @return 修改成功返回true
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*/
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public boolean renameKeyNotExist(String oldKey, String newKey) {
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try {
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log.info("RedisCmd==================renameKeyNotExist oldKey:[{}] newKey:[{}]", oldKey, newKey);
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return redisTemplate.renameIfAbsent(oldKey, newKey);
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 删除key
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*
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* @param key 键
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*/
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public void deleteKey(String key) {
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try {
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log.info("RedisCmd==================deleteKey key:[{}]", key);
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redisTemplate.delete(key);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 删除多个key
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*
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* @param keys
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*/
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public void deleteKeys(String... keys) {
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try {
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log.info("RedisCmd==================deleteKeys keys:[{}]", keys);
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Set<String> kSet = Stream.of(keys).map(k -> k).collect(Collectors.toSet());
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redisTemplate.delete(kSet);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 普通缓存获取
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*
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* @param key 键
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* @return 值
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*/
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public Set<String> keys(String key) {
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log.info("RedisCmd==================keys key:[{}]", key);
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return key == null ? null : redisTemplate.keys(key);
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}
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// ============================String=============================
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/**
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* 普通缓存获取
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*
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* @param key 键
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* @return 值
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*/
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public Object get(String key) {
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log.info("RedisCmd==================get key:[{}]", key);
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return key == null ? null : redisTemplate.opsForValue().get(key);
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}
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/**
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* 普通缓存放入
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*
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* @param key 键
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* @param value 值
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* @return true成功 false失败
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*/
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public boolean set(String key, Object value) {
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try {
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log.info("RedisCmd==================set key:[{}]", key);
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redisTemplate.opsForValue().set(key, value);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 普通缓存放入并设置时间
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*
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* @param key 键
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* @param value 值
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* @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
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* @return true成功 false 失败
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*/
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public boolean set(String key, Object value, long time) {
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try {
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log.info("RedisCmd==================set2 key:[{}]", key);
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if (time > 0) {
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redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
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} else {
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set(key, value);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 递增
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*
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* @param key 键
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* @param delta 步长
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* @return
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*/
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public long incr(String key, long delta) {
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if (delta < 0) {
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throw new RuntimeException("递增因子必须大于0");
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}
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log.info("RedisCmd==================incr key:[{}]", key);
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return redisTemplate.opsForValue().increment(key, delta);
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}
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/**
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* 递减
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*
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* @param key 键
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* @param delta 步长
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* @return
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*/
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public long decr(String key, long delta) {
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if (delta < 0) {
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throw new RuntimeException("递减因子必须大于0");
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}
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log.info("RedisCmd==================decr key:[{}]", key);
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return redisTemplate.opsForValue().increment(key, -delta);
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}
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// ================================Map=================================
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/**
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* HashGet
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*
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* @param key 键 不能为null
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* @param item 项 不能为null
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* @return 值
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*/
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public Object hGet(String key, String item) {
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log.info("RedisCmd==================hGet key:[{}]", key);
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return redisTemplate.opsForHash().get(key, item);
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}
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/**
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* 获取hashKey对应的所有键值
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*
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* @param key 键
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* @return 对应的多个键值
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*/
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public Map<Object, Object> hmGet(String key) {
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log.info("RedisCmd==================hmGet key:[{}]", key);
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* HashSet存储
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*
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* @param key 键
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* @param map 对应多个键值
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* @return true 成功 false 失败
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*/
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public boolean hmSet(String key, Map<String, Object> map) {
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try {
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log.info("RedisCmd==================hmSet key:[{}]", key);
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redisTemplate.opsForHash().putAll(key, map);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* HashSet 并设置时间
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*
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* @param key 键
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* @param map 对应多个键值
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* @param time 时间(秒)
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* @return true成功 false失败
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*/
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public boolean hmSet(String key, Map<String, Object> map, long time) {
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try {
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log.info("RedisCmd==================hmSet2 key:[{}]", key);
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redisTemplate.opsForHash().putAll(key, map);
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if (time > 0) {
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expire(key, time);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 向一张hash表中放入数据,如果不存在将创建
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*
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* @param key 键
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* @param item 项
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* @param value 值
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* @return true 成功 false失败
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*/
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public boolean hSet(String key, String item, Object value) {
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try {
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log.info("RedisCmd==================hSet1 key:[{}]", key);
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redisTemplate.opsForHash().put(key, item, value);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 向一张hash表中放入数据,如果不存在将创建
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*
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* @param key 键
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* @param item 项
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* @param value 值
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* @param time 时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
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* @return true 成功 false失败
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*/
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public boolean hSet(String key, String item, Object value, long time) {
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try {
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log.info("RedisCmd==================hSet2 key:[{}]", key);
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redisTemplate.opsForHash().put(key, item, value);
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if (time > 0) {
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expire(key, time);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 删除hash表中的值
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*
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* @param key 键 不能为null
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* @param item 项 可以使多个 不能为null
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*/
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public void hDel(String key, Object... item) {
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log.info("RedisCmd==================hDel key:[{}]", key);
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redisTemplate.opsForHash().delete(key, item);
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}
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/**
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* 判断hash表中是否有该项的值
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*
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* @param key 键 不能为null
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* @param item 项 不能为null
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* @return true 存在 false不存在
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*/
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public boolean hHasKey(String key, String item) {
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log.info("RedisCmd==================hHasKey key:[{}]", key);
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return redisTemplate.opsForHash().hasKey(key, item);
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}
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/**
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* hash递增 如果不存在,就会创建一个 并把新增后的值返回
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*
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* @param key 键
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* @param item 项
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* @param by 要增加几(大于0)
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* @return
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*/
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public double hIncr(String key, String item, double by) {
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log.info("RedisCmd==================hIncr key:[{}]", key);
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return redisTemplate.opsForHash().increment(key, item, by);
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}
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/**
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* hash递减
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*
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* @param key 键
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* @param item 项
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* @param by 要减少记(小于0)
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* @return
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*/
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public double hDecr(String key, String item, double by) {
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log.info("RedisCmd==================hDecr key:[{}]", key);
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return redisTemplate.opsForHash().increment(key, item, -by);
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}
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// ============================set=============================
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/**
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* 根据key获取Set中的所有值
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*
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* @param key 键
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* @return
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*/
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public Set<Object> sGet(String key) {
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try {
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log.info("RedisCmd==================sGet key:[{}]", key);
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return redisTemplate.opsForSet().members(key);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 根据value从一个set中查询,是否存在
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*
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* @param key 键
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* @param value 值
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* @return true 存在 false不存在
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*/
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public boolean sHasKey(String key, Object value) {
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try {
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log.info("RedisCmd==================sHasKey key:[{}]", key);
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return redisTemplate.opsForSet().isMember(key, value);
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 将数据放入set缓存
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*
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* @param key 键
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* @param values 值 可以是多个
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* @return 成功个数
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*/
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public long sSet(String key, Object... values) {
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try {
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log.info("RedisCmd==================sSet key:[{}]", key);
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return redisTemplate.opsForSet().add(key, values);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 将set数据放入缓存
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*
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* @param key 键
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* @param time 时间(秒)
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* @param values 值 可以是多个
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* @return 成功个数
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*/
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public long sSetAndTime(String key, long time, Object... values) {
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try {
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log.info("RedisCmd==================sSetAndTime key:[{}]", key);
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Long count = redisTemplate.opsForSet().add(key, values);
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if (time > 0) {
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expire(key, time);
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}
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return count;
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 获取set缓存的长度
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*
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* @param key 键
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* @return
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*/
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public long sGetSetSize(String key) {
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try {
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log.info("RedisCmd==================sGetSetSize key:[{}]", key);
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return redisTemplate.opsForSet().size(key);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 移除值为value的
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*
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* @param key 键
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* @param values 值 可以是多个
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* @return 移除的个数
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*/
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public long setRemove(String key, Object... values) {
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try {
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log.info("RedisCmd==================setRemove key:[{}]", key);
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Long count = redisTemplate.opsForSet().remove(key, values);
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return count;
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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// ===============================list=================================
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/**
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* 获取list缓存的内容
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*
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* @param key 键
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* @param start 开始
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* @param end 结束 0 到 -1代表所有值
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* @return
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*/
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public List<Object> lGet(String key, long start, long end) {
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try {
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log.info("RedisCmd==================lGet key:[{}]", key);
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return redisTemplate.opsForList().range(key, start, end);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 获取list缓存的长度
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*
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* @param key 键
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* @return
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*/
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public long lGetListSize(String key) {
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try {
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log.info("RedisCmd==================lGetListSize key:[{}]", key);
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return redisTemplate.opsForList().size(key);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 通过索引 获取list中的值
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*
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* @param key 键
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* @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
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* @return
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*/
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public Object lGetIndex(String key, long index) {
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try {
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log.info("RedisCmd==================lGetIndex key:[{}]", key);
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return redisTemplate.opsForList().index(key, index);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @return
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*/
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public boolean lSet(String key, Object value) {
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try {
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log.info("RedisCmd==================lSet1 key:[{}]", key);
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redisTemplate.opsForList().rightPush(key, value);
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return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将list放入缓存
|
||
*
|
||
* @param key 键
|
||
* @param value 值
|
||
* @param time 时间(秒)
|
||
* @return
|
||
*/
|
||
public boolean lSet(String key, Object value, long time) {
|
||
try {
|
||
log.info("RedisCmd==================lSet2 key:[{}]", key);
|
||
redisTemplate.opsForList().rightPush(key, value);
|
||
if (time > 0) {
|
||
expire(key, time);
|
||
}
|
||
return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将list放入缓存
|
||
*
|
||
* @param key 键
|
||
* @param value 值
|
||
* @return
|
||
*/
|
||
public boolean lSet(String key, List<Object> value) {
|
||
try {
|
||
log.info("RedisCmd==================lSet3 key:[{}]", key);
|
||
redisTemplate.opsForList().rightPushAll(key, value);
|
||
return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将list放入缓存
|
||
*
|
||
* @param key 键
|
||
* @param value 值
|
||
* @param time 时间(秒)
|
||
* @return
|
||
*/
|
||
public boolean lSet(String key, List<Object> value, long time) {
|
||
try {
|
||
log.info("RedisCmd==================lSet4 key:[{}]", key);
|
||
redisTemplate.opsForList().rightPushAll(key, value);
|
||
if (time > 0) {
|
||
expire(key, time);
|
||
}
|
||
return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 根据索引修改list中的某条数据
|
||
*
|
||
* @param key 键
|
||
* @param index 索引
|
||
* @param value 值
|
||
* @return
|
||
*/
|
||
public boolean lUpdateIndex(String key, long index, Object value) {
|
||
try {
|
||
log.info("RedisCmd==================lUpdateIndex key:[{}]", key);
|
||
redisTemplate.opsForList().set(key, index, value);
|
||
return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 移除N个值为value
|
||
*
|
||
* @param key 键
|
||
* @param count 移除多少个
|
||
* @param value 值
|
||
* @return 移除的个数
|
||
*/
|
||
public long lRemove(String key, long count, Object value) {
|
||
try {
|
||
log.info("RedisCmd==================lRemove key:[{}]", key);
|
||
Long remove = redisTemplate.opsForList().remove(key, count, value);
|
||
return remove;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 从list中删除并返回第一个元素
|
||
*
|
||
* @param key
|
||
* @return
|
||
*/
|
||
public Object lPop(String key) {
|
||
try {
|
||
log.info("RedisCmd==================lPop key:[{}]", key);
|
||
return redisTemplate.opsForList().leftPop(key);
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return null;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 将value放入list的尾部
|
||
*
|
||
* @param key
|
||
* @param value
|
||
* @return
|
||
*/
|
||
public boolean rPush(String key, Object value) {
|
||
try {
|
||
log.info("RedisCmd==================rPush key:[{}]", key);
|
||
redisTemplate.opsForList().rightPush(key, value);
|
||
return true;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
|