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@@ -1,674 +0,0 @@
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-package com.example.opc_ua.util;
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-
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-import org.springframework.beans.factory.annotation.Autowired;
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-import org.springframework.data.redis.core.BoundListOperations;
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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 org.springframework.util.CollectionUtils;
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-
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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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-
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-@Component
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-public class UaRedisUtil {
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-
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- @Autowired
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- private RedisTemplate<String, Object> redisTemplate;
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-
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- public UaRedisUtil(RedisTemplate<String, Object> redisTemplate) {
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- this.redisTemplate = redisTemplate;
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- }
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-
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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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- if (time > 0) {
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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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- /**
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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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- return redisTemplate.getExpire(key, TimeUnit.SECONDS);
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- }
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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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- 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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- /**
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- * 删除缓存
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- *
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- * @param key 可以传一个值 或多个
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- */
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- @SuppressWarnings("unchecked")
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- public void del(String... key) {
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- if (key != null && key.length > 0) {
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- if (key.length == 1) {
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- redisTemplate.delete(key[0]);
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- } else {
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- redisTemplate.delete(CollectionUtils.arrayToList(key));
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- }
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- }
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- }
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-
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- // ============================String=============================
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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 Object get(String 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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
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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, TimeUnit unit) {
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- try {
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- if (time > 0) {
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- redisTemplate.opsForValue().set(key, value, time, unit);
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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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-
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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 要增加几(大于0)
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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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- return redisTemplate.opsForValue().increment(key, delta);
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- }
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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 要减少几(小于0)
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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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- return redisTemplate.opsForValue().increment(key, -delta);
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- }
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-
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- // ================================Map=================================
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-
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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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- return redisTemplate.opsForHash().get(key, item);
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- }
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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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- return redisTemplate.opsForHash().entries(key);
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- }
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-
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- /**
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- * HashSet
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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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- redisTemplate.opsForHash().delete(key, item);
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- }
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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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- return redisTemplate.opsForHash().hasKey(key, item);
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- }
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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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- return redisTemplate.opsForHash().increment(key, item, by);
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- }
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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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- return redisTemplate.opsForHash().increment(key, item, -by);
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- }
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-
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- // ============================set=============================
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-
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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- /**
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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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- 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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-
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- // ===============================list=================================
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-
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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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- 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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- /**
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- * 获取list缓存的长度
|
|
|
- *
|
|
|
- * @param key 键
|
|
|
- * @return
|
|
|
- */
|
|
|
- public long lGetListSize(String key) {
|
|
|
- try {
|
|
|
- return redisTemplate.opsForList().size(key);
|
|
|
- } catch (Exception e) {
|
|
|
- e.printStackTrace();
|
|
|
- return 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 通过索引 获取list中的值
|
|
|
- *
|
|
|
- * @param key 键
|
|
|
- * @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
|
|
|
- * @return
|
|
|
- */
|
|
|
- public Object lGetIndex(String key, long index) {
|
|
|
- try {
|
|
|
- return redisTemplate.opsForList().index(key, index);
|
|
|
- } catch (Exception e) {
|
|
|
- e.printStackTrace();
|
|
|
- return null;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 将list放入缓存
|
|
|
- *
|
|
|
- * @param key 键
|
|
|
- * @param value 值
|
|
|
- * @return
|
|
|
- */
|
|
|
- public boolean lSet(String key, Object value) {
|
|
|
- try {
|
|
|
- redisTemplate.opsForList().rightPush(key, value);
|
|
|
- return true;
|
|
|
- } catch (Exception e) {
|
|
|
- e.printStackTrace();
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * list最左边的元素弹出
|
|
|
- *
|
|
|
- * @param key 键
|
|
|
- * @return
|
|
|
- */
|
|
|
- public Object lpop(String key) {
|
|
|
- try {
|
|
|
- return redisTemplate.opsForList().leftPop(key);
|
|
|
- } catch (Exception e) {
|
|
|
- e.printStackTrace();
|
|
|
- return null;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 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 {
|
|
|
- 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 {
|
|
|
- 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 {
|
|
|
- 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 {
|
|
|
- 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 {
|
|
|
- Long remove = redisTemplate.opsForList().remove(key, count, value);
|
|
|
- return remove;
|
|
|
- } catch (Exception e) {
|
|
|
- e.printStackTrace();
|
|
|
- return 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 模糊查询获取key值
|
|
|
- *
|
|
|
- * @param pattern
|
|
|
- * @return
|
|
|
- */
|
|
|
- public Set keys(String pattern) {
|
|
|
- return redisTemplate.keys(pattern);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 使用Redis的消息队列
|
|
|
- *
|
|
|
- * @param channel
|
|
|
- * @param message 消息内容
|
|
|
- */
|
|
|
- public void convertAndSend(String channel, Object message) {
|
|
|
- redisTemplate.convertAndSend(channel, message);
|
|
|
- }
|
|
|
-
|
|
|
- // =========BoundListOperations 用法 start============
|
|
|
-
|
|
|
- /**
|
|
|
- * 将数据添加到Redis的list中（从右边添加）
|
|
|
- *
|
|
|
- * @param listKey
|
|
|
- * @param values 待添加的数据
|
|
|
- */
|
|
|
- public void addToListRight(String listKey, Object... values) {
|
|
|
- // 绑定操作
|
|
|
- BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
|
|
|
- // 插入数据
|
|
|
- boundValueOperations.rightPushAll(values);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 根据起始结束序号遍历Redis中的list
|
|
|
- *
|
|
|
- * @param listKey
|
|
|
- * @param start 起始序号
|
|
|
- * @param end 结束序号
|
|
|
- * @return
|
|
|
- */
|
|
|
- public List<Object> rangeList(String listKey, long start, long end) {
|
|
|
- // 绑定操作
|
|
|
- BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
|
|
|
- // 查询数据
|
|
|
- return boundValueOperations.range(start, end);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 弹出右边的值 --- 并且移除这个值
|
|
|
- *
|
|
|
- * @param listKey
|
|
|
- */
|
|
|
- public Object rifhtPop(String listKey) {
|
|
|
- // 绑定操作
|
|
|
- BoundListOperations<String, Object> boundValueOperations = redisTemplate.boundListOps(listKey);
|
|
|
- return boundValueOperations.rightPop();
|
|
|
- }
|
|
|
- // =========BoundListOperations 用法 End============
|
|
|
-}
|
zhoupeng