redisutil

package com.lsh.product.config.redis;

import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

/**
 * Description :〈jedis配置类〉
 *
 * @author white
 * @create 2020/6/18
 * @since 1.0.0
 */
@Slf4j
@Configuration
public class JedisPoolFactory {
    private Logger logger =  LoggerFactory.getLogger(JedisPoolFactory.class);

    @Value("${spring.redis.host}")
    private String host;

    @Value("${spring.redis.port}")
    private int port;

    @Value("${spring.redis.password}")
    private String password;

    @Value("${spring.redis.timeout}")
    private int timeout;

    @Value("${spring.redis.jedis.pool.max-active}")
    private int maxActive;

    @Value("${spring.redis.jedis.pool.max-idle}")
    private int maxIdle;

    @Value("${spring.redis.jedis.pool.min-idle}")
    private int minIdle;

    @Value("${spring.redis.jedis.pool.max-wait}")
    private long maxWaitMillis;

    @Bean
    public JedisPool generateJedisPoolFactory() {
        JedisPoolConfig poolConfig = new JedisPoolConfig();
        poolConfig.setMaxTotal(maxActive);
        poolConfig.setMaxIdle(maxIdle);
        poolConfig.setMinIdle(minIdle);
        poolConfig.setMaxWaitMillis(maxWaitMillis);
        JedisPool jedisPool = new JedisPool(poolConfig, host, port, timeout, password);

        logger.info("redis地址：" + host + ":" + port);
        return jedisPool;
    }


    /**
     * 重写Redis序列化方式，使用Json方式:
     * 当我们的数据存储到Redis的时候，我们的键（key）和值（value）都是通过Spring提供的Serializer序列化到数据库的。RedisTemplate默认使用的是JdkSerializationRedisSerializer，StringRedisTemplate默认使用的是StringRedisSerializer。
     * Spring Data JPA为我们提供了下面的Serializer：
     * GenericToStringSerializer、Jackson2JsonRedisSerializer、JacksonJsonRedisSerializer、JdkSerializationRedisSerializer、OxmSerializer、StringRedisSerializer。
     * 在此我们将自己配置RedisTemplate并定义Serializer。
     *
     * @param redisConnectionFactory
     * @return
     */
    @Bean
    public RedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
//        JdkSerializationRedisSerializer jdkSerializationRedisSerializer = new JdkSerializationRedisSerializer();
        GenericJackson2JsonRedisSerializer jackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
        // 设置值（value）的序列化采用FastJsonRedisSerializer。
        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
//        redisTemplate.setHashValueSerializer(fastJsonRedisSerializer);
        // 设置键（key）的序列化采用StringRedisSerializer。
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }

}

 

 

 

 

package com.lsh.product.utils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundSetOperations;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.stereotype.Component;

import java.time.Duration;
import java.util.*;
import java.util.concurrent.TimeUnit;

@Component
public class RedisUtil {

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 在字符串后边追加 字符串
     * @param key
     * @param appendValue
     * @return
     */
    public  ValueOperations append(String key, String appendValue) {
        ValueOperations operations = this.redisTemplate.opsForValue();
        operations.append(key, appendValue);
        return operations;
    }

    /**
     * 缓存基本的对象，Integer、String、实体类等
     * @param key      缓存的健值
     * @param value    缓存的值
     * @return         缓存的对象
     */
    public  ValueOperations setCacheObject(String key, T value) {
        ValueOperations operations = this.redisTemplate.opsForValue();
        operations.set(key, value);
        return operations;
    }

    /**
     * 缓存基本的对象，Integer、String、实体类等
     * @param key      缓存的健值
     * @param value    缓存的值
     * @param timeout  时间
     * @param timeUnit 时间颗粒度
     * @return         缓存的对象
     */
    public  ValueOperations setCacheObject(String key, T value, Integer timeout, TimeUnit timeUnit) {
        ValueOperations operations = this.redisTemplate.opsForValue();
        operations.set(key, value, timeout, timeUnit);
        return operations;
    }

    /**
     * 缓存基本的对象，Integer、String、实体类等
     * @param key      缓存的健值
     * @param value    缓存的值
     * @param timeout  时间
     * @return         缓存的对象
     */
    public  ValueOperations setCacheObject(String key, T value, Duration timeout) {
        ValueOperations operations = this.redisTemplate.opsForValue();
        operations.set(key, value, timeout);
        return operations;
    }

    /**
     * 获得缓存的基本对象。
     *
     * @param key 缓存键值
     * @return 缓存键值对应的数据
     */
    public  T getCacheObject(String key) {
        ValueOperations operation = this.redisTemplate.opsForValue();
        return operation.get(key);
    }

    /**
     * 设置过期时间
     * @param key           key值
     * @param timeout       时间
     * @param timeUnit      时间单位
     * @return
     */
    public Boolean setExpire(String key, Long timeout, TimeUnit timeUnit) {
        return this.redisTemplate.expire(key, timeout, timeUnit);
    }

    /**
     * 删除单个对象
     * @param key
     */
    public void deleteObject(String key) {
        this.redisTemplate.delete(key);
    }

    /**
     * 删除集合对象
     * @param collection
     */
    public void deleteObject(Collection collection) {
        this.redisTemplate.delete(collection);
    }

    /**
     * 缓存List数据
     *
     * @param key      缓存的键值
     * @param dataList 待缓存的List数据
     * @return         缓存的对象
     */
    public  ListOperations setCacheList(String key, List dataList) {
        ListOperations listOperations = this.redisTemplate.opsForList();
        if (null != listOperations) {
            int size = dataList.size();
            for (int i = 0; i < size; i++) {
                listOperations.leftPush(key, dataList.get(i));
            }
        }
        return listOperations;
    }

    /**
     * 获得缓存的list对象
     *
     * @param key 缓存的键值
     * @return 缓存键值对应的数据
     */
    public  List getCacheList(String key) {
        List dataList = new ArrayList<>();
        ListOperations listOperations = this.redisTemplate.opsForList();
        Long size = listOperations.size(key);
        for (long i = 0; i < size; i++) {
            dataList.add(listOperations.index(key, i));
        }
        return dataList;
    }

    /**
     * 缓存Set
     *
     * @param key     缓存键值
     * @param dataSet 缓存的数据
     * @return 缓存数据的对象
     */
    public  BoundSetOperations setCacheSet(String key, Set dataSet) {
        BoundSetOperations setOperations = this.redisTemplate.boundSetOps(key);
        Iterator iterable = dataSet.iterator();
        while (iterable.hasNext()) {
            setOperations.add(iterable.next());
        }
        return setOperations;
    }

    /**
     * 获得缓存的set
     *
     * @param key
     * @return
     */
    public  Set getCacheSet(String key) {
        Set dataSet = new HashSet<>();
        BoundSetOperations setOperations = this.redisTemplate.boundSetOps(key);
        Long size = setOperations.size();
        for (long i = 0; i < size; i++) {
            dataSet.add(setOperations.pop());
        }
        return dataSet;
    }

    /**
     * 缓存Map
     *
     * @param key
     * @param dataMap
     * @return
     */
    public void hashPutAll(String key, Map dataMap) {
        this.redisTemplate.opsForHash().putAll(key, dataMap);
    }

    /**
     * 在hash中新增一个值
     * @param key
     * @param field
     * @param value
     */
    public void hashPut(String key, String field, Object value) {
        this.redisTemplate.opsForHash().put(key, field, value);
    }

    /**
     * 当field不存在时put
     * @param key
     * @param field
     * @param value
     */
    public void hashPutIfAbsent(String key, String field, Object value) {
        this.redisTemplate.opsForHash().putIfAbsent(key, field, value);
    }

    /**
     * 获得缓存的Map
     *
     * @param key
     */
    public Map hashGetAll(String key) {
        return this.redisTemplate.opsForHash().entries(key);
    }

    /**
     * 获取键值为key的hash中的field字段的值
     * @param key
     * @param field
     */
    public Object hashGet(String key, String field) {
        return this.redisTemplate.opsForHash().get(key, field);
    }

    /**
     * 获取键值为key的hash表中所有字段
     * @param key
     */
    public Set hashKeys(String key) {
        return this.redisTemplate.opsForHash().keys(key);
    }

    /**
     * 获取键值为key的hash表中所有value
     * @param key
     */
    public List