spring boot 配置redis

        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
        </dependency>
                         
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.9.0</version>
        </dependency>
                 
        <dependency>
              <groupId>org.apache.commons</groupId>
              <artifactId>commons-pool2</artifactId>
              <version>2.0</version>
        </dependency>

定义redis的配置类

package test.demo.tools;

import java.io.Serializable;
import java.lang.reflect.Method;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
@EnableCaching//启用缓存，这个注解很重要；
//继承CachingConfigurerSupport，为了自定义生成KEY的策略。可以不继承。
public class RedisConfig extends CachingConfigurerSupport {
        @Configuration
        static class LocalConfiguration {
            //从application.properties中获得以下参数
            @Value("${redis.host}")
            private String host;
            @Value("${redis.port}")
            private Integer port;
            

            /**
             * 缓存管理器.
             * @param redisTemplate
             * @return
             */
            @Bean    
            public CacheManager cacheManager(RedisTemplate<?,?> redisTemplate) {
               CacheManager cacheManager = new RedisCacheManager(redisTemplate);
               return cacheManager;
            }
            @Bean
            public RedisTemplate<Serializable, Serializable> redisTemplate(
                    JedisConnectionFactory redisConnectionFactory) {
                RedisTemplate<Serializable, Serializable> redisTemplate = new RedisTemplate<Serializable, Serializable>();
                //key序列化方式;（不然会出现乱码;）,但是如果方法上有Long等非String类型的话，会报类型转换错误；
                //所以在没有自己定义key生成策略的时候，以下这个代码建议不要这么写，可以不配置或者自己实现 ObjectRedisSerializer
                //或者JdkSerializationRedisSerializer序列化方式;
                redisTemplate.setKeySerializer(new StringRedisSerializer());
                redisTemplate.setHashKeySerializer(new StringRedisSerializer());
                redisTemplate
                        .setValueSerializer(new JdkSerializationRedisSerializer());
                redisTemplate
                        .setHashValueSerializer(new JdkSerializationRedisSerializer());
                //以上4条配置可以不用
                redisTemplate.setConnectionFactory(redisConnectionFactory);
                return redisTemplate;
            }

            @Bean
            public JedisConnectionFactory redisConnectionFactory() {
                JedisConnectionFactory redisConnectionFactory = new JedisConnectionFactory();
                redisConnectionFactory.setHostName(host);
                redisConnectionFactory.setPort(port);
                return redisConnectionFactory;
            }
        }

        /**
         * 自定义key.
         * 此方法将会根据类名+方法名+所有参数的值生成唯一的一个key
         */
        public KeyGenerator keyGenerator() {
           return new KeyGenerator() {
               @Override
               public Object generate(Object o, Method method, Object... objects){           
                  StringBuilder sb = new StringBuilder();
                  sb.append(o.getClass().getName());
                  sb.append(method.getName());
                  for (Object obj : objects) {
                      sb.append(obj.toString());
                  }
                  return sb.toString();
               }
           };
        }
}

package test.demo.tools;

import java.io.Serializable;

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

@Component
public class RedisService {
    
    @Autowired
    private 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
     * @return
     */
    public boolean set(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);
    }

    /**
     * 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);
    }
}
}

package test.demo.tools;
import java.io.Serializable;
import org.springframework.beans.factory.annotation.Autowired;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.data.redis.core.ValueOperations;import org.springframework.stereotype.Component;
@Componentpublic class RedisService {    @Autowired    private 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     * @return     */    public boolean set(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);    }
    /**     * 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);    }}}