707 lines
18 KiB
Java
707 lines
18 KiB
Java
package com.szxgl.nft.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.data.redis.core.ZSetOperations;
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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.*;
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import java.util.concurrent.TimeUnit;
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/**
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* redisTemplate封装
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*
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* @author MrYshen
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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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public RedisUtil(RedisTemplate<String, Object> redisTemplate) {
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this.redisTemplate = redisTemplate;
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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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* 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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* 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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* 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((Collection<String>) CollectionUtils.arrayToList(key));
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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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* 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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* 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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* 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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* 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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* 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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//================================Map=================================
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/**
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* HashGet
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*
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* @param key 键 不能为null
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* @param item 项 不能为null
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* @return 值
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*/
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public Object hget(String key, String item) {
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return redisTemplate.opsForHash().get(key, item);
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}
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/**
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* 获取hashKey对应的所有键值
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*
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* @param key 键
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* @return 对应的多个键值
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*/
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public Map<Object, Object> hmget(String key) {
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return redisTemplate.opsForHash().entries(key);
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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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* 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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* 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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* 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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* 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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* 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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* 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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* 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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//============================set=============================
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/**
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* 根据key获取Set中的所有值
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*
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* @param key 键
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* @return
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*/
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public Set<Object> sGet(String key) {
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try {
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return redisTemplate.opsForSet().members(key);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 根据value从一个set中查询,是否存在
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*
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* @param key 键
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* @param value 值
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* @return true 存在 false不存在
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*/
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public boolean sHasKey(String key, Object value) {
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try {
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return redisTemplate.opsForSet().isMember(key, value);
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 将数据放入set缓存
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*
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* @param key 键
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* @param values 值 可以是多个
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* @return 成功个数
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*/
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public long sSet(String key, Object... values) {
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try {
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return redisTemplate.opsForSet().add(key, values);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 将set数据放入缓存
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*
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* @param key 键
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* @param time 时间(秒)
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* @param values 值 可以是多个
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* @return 成功个数
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*/
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public long sSetAndTime(String key, long time, Object... values) {
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try {
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Long count = redisTemplate.opsForSet().add(key, values);
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if (time > 0) {
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expire(key, time);
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}
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return count;
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 获取set缓存的长度
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*
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* @param key 键
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* @return
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*/
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public long sGetSetSize(String key) {
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try {
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return redisTemplate.opsForSet().size(key);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 移除值为value的
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*
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* @param key 键
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* @param values 值 可以是多个
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* @return 移除的个数
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*/
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public long setRemove(String key, Object... values) {
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try {
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Long count = redisTemplate.opsForSet().remove(key, values);
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return count;
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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//===============================list=================================
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/**
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* 获取list缓存的内容
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*
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* @param key 键
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* @param start 开始
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* @param end 结束 0 到 -1代表所有值
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* @return
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*/
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public List<Object> lGet(String key, long start, long end) {
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try {
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return redisTemplate.opsForList().range(key, start, end);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 获取list缓存的长度
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*
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* @param key 键
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* @return
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*/
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public long lGetListSize(String key) {
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try {
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return redisTemplate.opsForList().size(key);
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} catch (Exception e) {
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e.printStackTrace();
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return 0;
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}
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}
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/**
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* 通过索引 获取list中的值
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*
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* @param key 键
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* @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
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* @return
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*/
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public Object lGetIndex(String key, long index) {
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try {
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return redisTemplate.opsForList().index(key, index);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @return
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*/
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public boolean lSetMIn(String key, Object value) {
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try {
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redisTemplate.opsForList().rightPush(key, value);
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expire(key, 60);
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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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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @return
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*/
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public boolean lSet(String key, Object value) {
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try {
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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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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @param time 时间(秒)
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* @return
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*/
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public boolean lSet(String key, Object value, long time) {
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try {
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redisTemplate.opsForList().rightPush(key, 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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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @return
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*/
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public boolean lSetList(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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* 将list放入缓存
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*
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* @param key 键
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* @param value 值
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* @param time 时间(秒)
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* @return
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*/
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public boolean lSetList(String key, List<Object> value, long time) {
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try {
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redisTemplate.opsForList().rightPushAll(key, 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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* 根据索引修改list中的某条数据
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*
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* @param key 键
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* @param index 索引
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* @param value 值
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* @return
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*/
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public boolean lUpdateIndex(String key, long index, Object value) {
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try {
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redisTemplate.opsForList().set(key, index, 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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* 根据索引弹出list中的首条数据
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*
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* @param key 键
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* @param index 等待时间（秒）
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* @return
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*/
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public Object lPop(String key, long index) {
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try {
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Object o = redisTemplate.opsForList().leftPop(key, index, TimeUnit.SECONDS);
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return o;
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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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* 移除N个值为value
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*
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* @param key 键
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* @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;
|
||
}
|
||
}
|
||
|
||
//Zset 根据 socre 排序 不重复 每个元素附加一个 socre double类型的属性(double 可以重复)
|
||
/**
|
||
* 添加 ZSet 元素
|
||
* @param key
|
||
* @param value
|
||
* @param score
|
||
*/
|
||
public boolean addZSet(String key,Object value,double score){
|
||
return redisTemplate.opsForZSet().add(key, value, score);
|
||
}
|
||
|
||
/**
|
||
* 批量添加 Zset <br>
|
||
* Set<TypedTuple<V>> tuples = new HashSet<>();<br>
|
||
* TypedTuple<V> objectTypedTuple1 = new DefaultTypedTuple<V>("zset-5",9.6);<br>
|
||
* tuples.add(objectTypedTuple1);
|
||
* @param key
|
||
* @param tuples
|
||
* @return
|
||
*/
|
||
public Long AddAllZset(String key,Set<ZSetOperations.TypedTuple<Object>> tuples){
|
||
return redisTemplate.opsForZSet().add(key, tuples);
|
||
}
|
||
|
||
/**
|
||
* Zset 删除一个或多个元素
|
||
* @param key
|
||
* @param values
|
||
* @return
|
||
*/
|
||
public Long removeZset(String key,Object ...values){
|
||
return redisTemplate.opsForZSet().remove(key, values);
|
||
}
|
||
|
||
/**
|
||
* 获取 key 中指定 value 的排名(从0开始,从小到大排序)
|
||
* @param key
|
||
* @param value
|
||
* @return
|
||
*/
|
||
public Long rank(String key,Object value){
|
||
return redisTemplate.opsForZSet().rank(key, value);
|
||
}
|
||
|
||
/**
|
||
* 获取 key 中指定 value 的排名(从0开始,从大到小排序)
|
||
* @param key
|
||
* @param value
|
||
* @return
|
||
*/
|
||
public Long reverseRank(String key,Object value){
|
||
return redisTemplate.opsForZSet().reverseRank(key, value);
|
||
}
|
||
|
||
/**
|
||
* 获取索引区间内的排序结果集合(从0开始,从小到大,带上分数)
|
||
* @param key
|
||
* @param start
|
||
* @param end
|
||
* @return
|
||
*/
|
||
public Set<ZSetOperations.TypedTuple<Object>> rangeWithScores(String key, long start, long end){
|
||
return redisTemplate.opsForZSet().rangeWithScores(key, start, end);
|
||
}
|
||
|
||
/**
|
||
* 获取索引区间内的排序结果集合(从0开始,从大到小,带上分数)
|
||
* @param key
|
||
* @param start
|
||
* @param end
|
||
* @return
|
||
*/
|
||
public Set<ZSetOperations.TypedTuple<Object>> reverseRangeWithScores(String key, long start, long end){
|
||
return redisTemplate.opsForZSet().reverseRangeWithScores(key, start, end);
|
||
}
|
||
|
||
/**
|
||
* score的增加or减少 zincrby
|
||
*
|
||
* @param key
|
||
* @param value
|
||
* @param score
|
||
*/
|
||
public Double incrScore(String key,String value, double score){
|
||
return redisTemplate.opsForZSet().incrementScore(key, value, score);
|
||
}
|
||
|
||
/**
|
||
* 获取指定成员的 score 值
|
||
* @param key
|
||
* @param value
|
||
* @return
|
||
*/
|
||
public Double score(String key,Object value){
|
||
return redisTemplate.opsForZSet().score(key, value);
|
||
}
|
||
|
||
|
||
} |