• redisUtils


    依赖:

            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-data-redis</artifactId>
            </dependency>
    package com.icil.elsa.collection.common.utils;
    
    import java.io.Serializable;
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
    import java.util.concurrent.TimeUnit;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.data.redis.core.HashOperations;
    import org.springframework.data.redis.core.ListOperations;
    import org.springframework.data.redis.core.RedisTemplate;
    import org.springframework.data.redis.core.SetOperations;
    import org.springframework.data.redis.core.ValueOperations;
    import org.springframework.data.redis.core.ZSetOperations;
    import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
    import org.springframework.data.redis.serializer.RedisSerializer;
    import org.springframework.data.redis.serializer.StringRedisSerializer;
    import org.springframework.stereotype.Component;
    
    /**
     * *************************************************************************
     * <PRE>
     *  @ClassName:    : RedisUtils 
     *
     *  @Description:    : redis  common utils
     *
     *  @Creation Date   : 12 Mar 2019 3:55:12 PM
     *
     *  @Author          :  Sea
     *  
     *
     * </PRE>
     **************************************************************************
     */
    @SuppressWarnings("all")
    @Component
    public class RedisUtils {
        @Autowired
        private RedisTemplate redisTemplate;
        /**
         * 解决乱码问题
         */
        @Autowired(required = false)
        public void setRedisTemplate(RedisTemplate redisTemplate) {
            RedisSerializer stringSerializer = new StringRedisSerializer();
            redisTemplate.setKeySerializer(stringSerializer);
            GenericJackson2JsonRedisSerializer jackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
    //        redisTemplate.setValueSerializer(stringSerializer);
            redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
            redisTemplate.setHashKeySerializer(stringSerializer);
            redisTemplate.setHashValueSerializer(stringSerializer);
            this.redisTemplate = redisTemplate;
        }
    
        /**
         * 写入缓存
         * @param key
         * @param value
         * @return
         */
        public boolean set(final String key, Object value) {
            boolean result = false;
            try {
                ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
                operations.set(key, value);
                result = true;
            } catch (Exception e) {
                e.printStackTrace();
            }
            return result;
        }
        
        
        /**
         *  * 写入缓存设置时效时间
         * @param key
         * @param value
         * @param expireTime  days
         * @return
         */
        public boolean setwithExpireDay(final String key, Object value, Long expireTime) {
            boolean result = false;
            try {
                ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
                operations.set(key, value);
                redisTemplate.expire(key, expireTime, TimeUnit.DAYS);
                result = true;
            } catch (Exception e) {
                e.printStackTrace();
            }
            return result;
        }
        
        
        
        /**
         *  * 写入缓存设置时效时间
         * @param key
         * @param value
         * @param expireTime  sec
         * @return
         */
        public boolean setwithExpireSec(final String key, Object value, Long expireTime) {
            boolean result = false;
            try {
                ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
                operations.set(key, value);
                redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
                result = true;
            } catch (Exception e) {
                e.printStackTrace();
            }
            return result;
        }
        /**
         * 批量删除对应的value
         * @param keys
         */
        public void remove(final String... keys) {
            for (String key : keys) {
                remove(key);
            }
        }
    
        /**
         * 批量删除key
         * @param pattern
         */
        public void removePattern(final String pattern) {
            Set<Serializable> keys = redisTemplate.keys(pattern);
            if (keys.size() > 0)
                redisTemplate.delete(keys);
        }
        /**
         * 删除对应的value
         * @param key
         */
        public void remove(final String key) {
            if (exists(key)) {
                redisTemplate.delete(key);
            }
        }
        /**
         * 判断缓存中是否有对应的value
         * @param key
         * @return
         */
        public boolean exists(final String key) {
            return redisTemplate.hasKey(key);
        }
        /**
         * 读取缓存
         * @param key
         * @return
         */
        public Object get(final String key) {
            Object result = null;
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            result = operations.get(key);
            return result;
        }
        /**
         * 哈希 添加
         * @param key
         * @param hashKey
         * @param value
         */
        public void hmSet(String key, Object hashKey, Object value){
            HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
            hash.put(key,hashKey,value);
        }
        /**
         * 哈希 添加
         * @param key
         * @param hashKey
         * @param value
         */
        public void hmSetwithExpireDay(String key, Object hashKey, Object value,Long expireTime){
            HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
            redisTemplate.expire(key,expireTime, TimeUnit.DAYS);
    //        redisTemplate.expire(key,expireTime, TimeUnit.MINUTES);
            hash.put(key,hashKey,value);
        }
        
        
        /**
         * 哈希获取数据
         * @param key
         * @param hashKey
         * @return
         */
        public Object hmGet(String key, Object hashKey){
            HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
            return hash.get(key,hashKey);
        }
        
        /**
         * delete hashkey
         * @param key
         * @param hashKey
         * @return
         */
        public void hmDel(String key, Object hashKey){
            HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
            hash.delete(key,hashKey);
        }
        
        
        public Map<Object, Object> hmGetentries(String key){
            HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
            Map<Object, Object> entries = hash.entries(key);
            return entries;
        }
    
        /**
         * 列表添加
         * @param k
         * @param v
         */
        public void lPush(String k,Object v){
            ListOperations<String, Object> list = redisTemplate.opsForList();
            list.rightPush(k,v);
        }
    
        /**
         * 列表获取
         * @param k
         * @param l
         * @param l1
         * @return
         */
        public List<Object> lRange(String k, long l, long l1){
            ListOperations<String, Object> list = redisTemplate.opsForList();
            return list.range(k,l,l1);
        }
    
        /**
         * 集合添加
         * @param key
         * @param value
         */
        public void add(String key,Object value){
            SetOperations<String, Object> set = redisTemplate.opsForSet();
            set.add(key,value);
        }
    
        /**
         * 集合获取
         * @param key
         * @return
         */
        public Set<Object> setMembers(String key){
            SetOperations<String, Object> set = redisTemplate.opsForSet();
            return set.members(key);
        }
    
        /**
         * 有序集合添加
         * @param key
         * @param value
         * @param scoure
         */
        public void zAdd(String key,Object value,double scoure){
            ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
            zset.add(key,value,scoure);
        }
    
        /**
         * 有序集合获取
         * @param key
         * @param scoure
         * @param scoure1
         * @return
         */
        public Set<Object> rangeByScore(String key,double scoure,double scoure1){
            ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
            return zset.rangeByScore(key, scoure, scoure1);
        }
    }
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  • 原文地址:https://www.cnblogs.com/lshan/p/10517354.html
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