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@ -1,431 +0,0 @@
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package org.ils.order.utils;
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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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import java.util.Collection;
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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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* @author chenjf
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* @datetime 2023/07/27
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*/
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@Component
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public class RedisUtil {
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@Autowired
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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 @param key 键 @param time 时间(秒) @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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* 根据key 获取过期时间 @param key 键 不能为null @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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* 判断key是否存在 @param key 键 @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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* 删除缓存 @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 ==0) {
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redisTemplate.delete(key[0]);
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} else {
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redisTemplate.delete((Collection<String>) CollectionUtils.arrayToList(key));
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}
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}
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}
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/**
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* 普通缓存获取 @param key 键 @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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* 普通缓存放入 @param key 键 @param value 值 @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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* 普通缓存放入并设置时间 @param key 键 @param value 值 @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期 @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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* 递增 @param key 键 @param delta 要增加几(大于0) @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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* 递减 @param key 键 @param delta 要减少几(小于0) @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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/* ================================Map=================================*/
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/**
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* HashGet @param key 键 不能为null @param item 项 不能为null @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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* 获取hashKey对应的所有键值 @param key 键 @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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* HashSet @param key 键 @param map 对应多个键值 @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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* HashSet 并设置时间 @param key 键 @param map 对应多个键值 @param time 时间(秒) @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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* 向一张hash表中放入数据,如果不存在将创建 @param key 键 @param item 项 @param value 值 @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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* 向一张hash表中放入数据,如果不存在将创建 @param key 键 @param item 项 @param value 值 @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 @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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* 删除hash表中的值 @param key 键 不能为null @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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* 判断hash表中是否有该项的值 @param key 键 不能为null @param item 项 不能为null @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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* hash递增 如果不存在,就会创建一个 并把新增后的值返回 @param key 键 @param item 项 @param by 要增加几(大于0) @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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* hash递减 @param key 键 @param item 项 @param by 要减少记(小于0) @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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* 根据key获取Set中的所有值 @param key 键 @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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* 根据value从一个set中查询,是否存在 @param key 键 @param value 值 @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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* 将数据放入set缓存 @param key 键 @param values 值 可以是多个 @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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* 将set数据放入缓存 @param key 键 @param time 时间(秒) @param values 值 可以是多个 @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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* 获取set缓存的长度 @param key 键 @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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* 移除值为value的 @param key 键 @param values 值 可以是多个 @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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return redisTemplate.opsForSet().remove(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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/* ===============================list=================================*/
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/**
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* 获取list缓存的内容 @param key 键 @param start 开始 @param end 结束 0 到 -代表所有值 @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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* 获取list缓存的长度 @param key 键 @return
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*/
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public long lGetListSize(String key) {
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try {
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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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|
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|
* 通过索引 获取list中的值 @param key 键 @param index 索引 index>=0时， 0 表头， 第二个元素，依次类推；index<0时，-，表尾，-倒数第二个元素，依次类推 @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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|
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|
return redisTemplate.opsForList().index(key, index);
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|
} catch (Exception e) {
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|
|
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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 @param key 键 @param value 值 @param time 时间(秒) @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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|
|
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|
redisTemplate.opsForList().rightPush(key, value);
|
|
|
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|
return true;
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
e.printStackTrace();
|
|
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|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
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|
|
|
|
|
|
|
/**
|
|
|
|
|
* 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 @param time 时间(秒) @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;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
