7-Redis工具类

        <!--redis依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>


        <!--redis依赖-->
        <!--redis依赖-->
        <!--redis依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <!--fastjson依赖-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
        </dependency>
<!-- <dependency>-->
<!-- <groupId>com.fasterxml.jackson.core</groupId>-->
<!-- <artifactId>jackson-databind</artifactId>-->
<!-- </dependency>-->

FastJsonRedisSerializer

package com.zs.utils.redis;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import com.alibaba.fastjson.parser.ParserConfig;
import org.springframework.util.Assert;
import java.nio.charset.Charset;

/** * Redis使用FastJson序列化 * * @author sg */
public class FastJsonRedisSerializer<T> implements RedisSerializer<T>
{
    

    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");

    private Class<T> clazz;

    static
    {
    
        ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
    }

    public FastJsonRedisSerializer(Class<T> clazz)
    {
    
        super();
        this.clazz = clazz;
    }

    @Override
    public byte[] serialize(T t) throws SerializationException
    {
    
        if (t == null)
        {
    
            return new byte[0];
        }
        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
    }

    @Override
    public T deserialize(byte[] bytes) throws SerializationException
    {
    
        if (bytes == null || bytes.length <= 0)
        {
    
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);

        return JSON.parseObject(str, clazz);
    }


    protected JavaType getJavaType(Class<?> clazz)
    {
    
        return TypeFactory.defaultInstance().constructType(clazz);
    }
}

RedisCache

package com.zs.utils.redis;

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

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

@SuppressWarnings(value = {
     "unchecked", "rawtypes" })
@Component
public class RedisCache
{
    
    @Autowired
    public RedisTemplate redisTemplate;

    /** * 缓存基本的对象，Integer、String、实体类等 * * @param key 缓存的键值 * @param value 缓存的值 */
    public <T> void setCacheObject(final String key, final T value)
    {
    
        redisTemplate.opsForValue().set(key, value);
    }

    /** * 缓存基本的对象，Integer、String、实体类等 * * @param key 缓存的键值 * @param value 缓存的值 * @param timeout 时间 * @param timeUnit 时间颗粒度 */
    public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
    {
    
        redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
    }

    /** * 设置有效时间 * * @param key Redis键 * @param timeout 超时时间 * @return true=设置成功；false=设置失败 */
    public boolean expire(final String key, final long timeout)
    {
    
        return expire(key, timeout, TimeUnit.SECONDS);
    }

    /** * 设置有效时间 * * @param key Redis键 * @param timeout 超时时间 * @param unit 时间单位 * @return true=设置成功；false=设置失败 */
    public boolean expire(final String key, final long timeout, final TimeUnit unit)
    {
    
        return redisTemplate.expire(key, timeout, unit);
    }

    /** * 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> T getCacheObject(final String key)
    {
    
        ValueOperations<String, T> operation = redisTemplate.opsForValue();
        return operation.get(key);
    }

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

    /** * 删除集合对象 * * @param collection 多个对象 * @return */
    public long deleteObject(final Collection collection)
    {
    
        return 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 <T> long setCacheList(final String key, final List<T> dataList)
    {
    
        Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
        return count == null ? 0 : count;
    }

    /** * 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 <T> List<T> getCacheList(final String key)
    {
    
        return redisTemplate.opsForList().range(key, 0, -1);
    }

    /** * 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 <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
    {
    
        BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
        Iterator<T> it = dataSet.iterator();
        while (it.hasNext())
        {
    
            setOperation.add(it.next());
        }
        return setOperation;
    }

    /** * 获得缓存的set * * @param key * @return */
    public <T> Set<T> getCacheSet(final String key)
    {
    
        return redisTemplate.opsForSet().members(key);
    }

    /** * 缓存Map * * @param key * @param dataMap */
    public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
    {
    
        if (dataMap != null) {
    
            redisTemplate.opsForHash().putAll(key, dataMap);
        }
    }

    /** * 获得缓存的Map * * @param key * @return */
    public <T> Map<String, T> getCacheMap(final String key)
    {
    
        return redisTemplate.opsForHash().entries(key);
    }

    /** * 往Hash中存入数据 * * @param key Redis键 * @param hKey Hash键 * @param value 值 */
    public <T> void setCacheMapValue(final String key, final String hKey, final T value)
    {
    
        redisTemplate.opsForHash().put(key, hKey, value);
    }

    /** * 获取Hash中的数据 * * @param key Redis键 * @param hKey Hash键 * @return Hash中的对象 */
    public <T> T getCacheMapValue(final String key, final String hKey)
    {
    
        HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
        return opsForHash.get(key, hKey);
    }

    /** * 删除Hash中的数据 * * @param key * @param hkey */
    public void delCacheMapValue(final String key, final String hkey)
    {
    
        HashOperations hashOperations = redisTemplate.opsForHash();
        hashOperations.delete(key, hkey);
    }

    /** * 获取多个Hash中的数据 * * @param key Redis键 * @param hKeys Hash键集合 * @return Hash对象集合 */
    public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
    {
    
        return redisTemplate.opsForHash().multiGet(key, hKeys);
    }

    /** * 获得缓存的基本对象列表 * * @param pattern 字符串前缀 * @return 对象列表 */
    public Collection<String> keys(final String pattern)
    {
    
        return redisTemplate.keys(pattern);
    }
}

RedisConfig

package com.zs.utils.config;

import com.zs.utils.redis.FastJsonRedisSerializer;
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.StringRedisSerializer;

@Configuration
public class RedisConfig {
    

    @Bean
    @SuppressWarnings(value = {
     "unchecked", "rawtypes" })
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory)
    {
    
        RedisTemplate<Object, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(connectionFactory);

        FastJsonRedisSerializer serializer = new FastJsonRedisSerializer(Object.class);

        // 使用StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(serializer);

        // Hash的key也采用StringRedisSerializer的序列化方式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(serializer);

        template.afterPropertiesSet();
        return template;
    }
}