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@@ -0,0 +1,553 @@
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+package com.gonghang.h5clientapp.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.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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+/**
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+ * redis 工具类
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+ * Created by shiwn on 2021/5/11 10:48
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+ */
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+@Component
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+public class RedisUtils {
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+ @Autowired
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+ private RedisTemplate redisTemplate;
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+
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+ // =============================common===========================
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+
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+ /**
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+ * @Description: 指定缓存失效时间
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+ * @Param: [key:键, expireTime:失效时间(秒)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:29
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+ */
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+ public boolean expire(String key, long expireTime) {
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+ try {
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+ if (expireTime > 0) {
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+ redisTemplate.expire(key, expireTime, 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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+ * @Description: 根据key 获取过期时间
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+ * @Param: [key:键]
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+ * @Author: shiwn
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+ * @Return: 时间(秒),返回0代表为永久有效
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+ * @Date: 2021/5/11 10:54
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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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+ * @Description: 判断key是否存在
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+ * @Param: [key:键]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:31
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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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+ * @Description: 删除缓存
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+ * @Param: [key:键,可以传一个值或多个]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:32
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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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+ * @Description: 获取缓存值
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+ * @Param: [key]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:38
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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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+ * @Description: 写入缓存
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+ * @Param: [key, value]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:38
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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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+ * @Description: 写入缓存,并设置时效时间
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+ * @Param: [key:键, value:值, expireTime:失效时间(秒)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 10:52
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+ */
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+ public boolean set(final String key, Object value, Long expireTime) {
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+ try {
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+ if (expireTime > 0) {
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+ redisTemplate.opsForValue().set(key, value, expireTime, TimeUnit.SECONDS);
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+ return true;
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+ }
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+ return false;
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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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+ * @Description: 缓存值递增
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+ * @Param: [key:键, delta:递增值,要增加几(大于0)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:40
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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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+ * @Description: 缓存值递减
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+ * @Param: [key:键, delta:递增值,要减少几(小于0)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:41
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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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+ * @Description: HashGet
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+ * @Param: [key:键(不能为null), item:项(不能为null)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:43
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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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+ * @Description: 获取hashKey对应的所有键值
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+ * @Param: [key:键]
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+ * @Return 对应的多个键值
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:44
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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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+ * @Description: HashSet
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+ * @Param: [key, map]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:47
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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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+ * @Description: HashSet,并设置失效时间
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+ * @Param: [key, map, time:失效时间(秒)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:48
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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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+ * @Description: 向一张hash表中放入数据, 如果不存在将创建
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+ * @Param: [key:键, item:项, value:值]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:49
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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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+ * @Description: 向一张hash表中放入数据, 如果不存在将创建,并设置失效时间。
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+ * 如果已存在的hash表有失效时间,这里将会替换原有的时间
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+ * @Param: [key, item, value, time:失效时间(秒)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:50
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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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+ * @Description: 删除hash表中的值
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+ * @Param: [key:键, item:项(一个或多个,不能为null)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:51
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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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+ * @Description: 判断hash表中是否有该项的值
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+ * @Param: [key:键, item:项]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:52
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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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+ * @Description: hash递增
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+ * 如果不存在,就会创建一个 并把新增后的值返回
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+ * @Param: [key:键, item:项, by:要增加几(大于0)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:52
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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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+ * @Description: hash递减
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+ * 如果不存在,就会创建一个 并把新增后的值返回
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+ * @Param: [key:键, item:项, by:要减少记(小于0)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:53
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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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+
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+ // ============================set=============================
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+
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+ /**
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+ * @Description: 根据key获取Set中的所有值
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+ * @Param: [key]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:54
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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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+ * @Description: 根据value从一个set中查询, 是否存在
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+ * @Param: [key, value]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 11:55
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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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+ * @Description: 将数据放入set缓存
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+ * @Param: [key, values:值(一个或多个)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:21
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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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+ * @Description: 将set数据放入缓存,并设置失效时间
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+ * @Param: [key, time:失效时间(秒), values:值(一个或多个)]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:21
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+ */
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+ public long sSet(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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+ * @Description: 获取set缓存的长度
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+ * @Param: [key]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:22
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+ */
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+ public long sGetSize(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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+ * @Description: 移除值为value的
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+ * @Param: [key, values:值(一个或多个)]
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+ * @Return 移除的个数
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:23
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+ */
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+ public long sRemove(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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+
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+ // ===============================list=================================
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+
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+ /**
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+ * @Description: 将list放入缓存
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+ * @Param: [key, value]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:26
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+ */
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+ public boolean lSet(String key, Object value) {
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+ try {
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+ redisTemplate.opsForList().rightPush(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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+ * @Description: 将list放入缓存
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+ * @Param: [key, value]
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+ * @Author: shiwn
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+ * @Date: 2021/5/11 14:27
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+ */
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+ public boolean lSet(String key, List<Object> value) {
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+ try {
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+ redisTemplate.opsForList().rightPushAll(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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+ /**
|
|
|
+ * @Description: 将list放入缓存,并设置失效时间
|
|
|
+ * @Param: [key, value, time:失效时间(秒)]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:27
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 将list放入缓存,并设置失效时间
|
|
|
+ * @Param: [key, value, time:失效时间(秒]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:28
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 获取list缓存的内容
|
|
|
+ * start:0,end:-1代表所有值
|
|
|
+ * @Param: [key, start:开始索引, end:结束索引]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:24
|
|
|
+ */
|
|
|
+ public List<Object> lGet(String key, long start, long end) {
|
|
|
+ try {
|
|
|
+ return redisTemplate.opsForList().range(key, start, end);
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public List<Object> lGet(String key) {
|
|
|
+ try {
|
|
|
+ return redisTemplate.opsForList().range(key, 0, -1);
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 获取list缓存的长度
|
|
|
+ * @Param: [key]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:25
|
|
|
+ */
|
|
|
+ public long lGetSize(String key) {
|
|
|
+ try {
|
|
|
+ return redisTemplate.opsForList().size(key);
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 通过索引 获取list中的值
|
|
|
+ * @Param: [key, 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)]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:25
|
|
|
+ */
|
|
|
+ public Object lGetIndex(String key, long index) {
|
|
|
+ try {
|
|
|
+ return redisTemplate.opsForList().index(key, index);
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 根据索引修改list中的某条数据
|
|
|
+ * @Param: [key, index:索引, value]
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:29
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @Description: 移除N个值为value的缓存
|
|
|
+ * @Param: [key, count:移除数量, value]
|
|
|
+ * @Return 移除的个数
|
|
|
+ * @Author: shiwn
|
|
|
+ * @Date: 2021/5/11 14:29
|
|
|
+ */
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|