redis客户端之jedis 操作工具类

redis客户端之jedis 操作工具类

包括连接池的使用及 jedis对string 、set、sortset、list、hash的所有常规操作。

redis.properties文件：

#\u63A7\u5236\u4E00\u4E2Apool\u53EF\u5206\u914D\u591A\u5C11\u4E2Ajedis\u5B9E\u4F8B\uFF0C\u901A\u8FC7pool.getResource()\u6765\u83B7\u53D6\uFF1B\u5982\u679C\u8D4B\u503C\u4E3A-1\uFF0C\u5219\u8868\u793A\u4E0D\u9650\u5236\uFF1B\u5982\u679Cpool\u5DF2\u7ECF\u5206\u914D\u4E86maxActive\u4E2Ajedis\u5B9E\u4F8B\uFF0C\u5219\u6B64\u65F6pool\u7684\u72B6\u6001\u5C31\u6210exhausted\u4E86\uFF0C\u5728JedisPoolConfigredis.pool.maxActive=1024#\u63A7\u5236\u4E00\u4E2Apool\u6700\u591A\u6709\u591A\u5C11\u4E2A\u72B6\u6001\u4E3Aidle\u7684jedis\u5B9E\u4F8B\uFF1Bredis.pool.maxIdle=200#\u8868\u793A\u5F53borrow\u4E00\u4E2Ajedis\u5B9E\u4F8B\u65F6\uFF0C\u6700\u5927\u7684\u7B49\u5F85\u65F6\u95F4\uFF0C\u5982\u679C\u8D85\u8FC7\u7B49\u5F85\u65F6\u95F4\uFF0C\u5219\u76F4\u63A5\u629B\u51FAJedisConnectionException\uFF1Bredis.pool.maxWait=1000#\u5728borrow\u4E00\u4E2Ajedis\u5B9E\u4F8B\u65F6\uFF0C\u662F\u5426\u63D0\u524D\u8FDB\u884Calidate\u64CD\u4F5C\uFF1B\u5982\u679C\u4E3Atrue\uFF0C\u5219\u5F97\u5230\u7684jedis\u5B9E\u4F8B\u5747\u662F\u53EF\u7528\u7684\uFF1Bredis.pool.testOnBorrow=true#\u5728return\u7ED9pool\u65F6\uFF0C\u662F\u5426\u63D0\u524D\u8FDB\u884Cvalidate\u64CD\u4F5C\uFF1Bredis.pool.testOnReturn=true#ipredis.ip=yourip#portredis.port=6379#passwordredis.password=yourword

package com.test.util;import java.util.List;import java.util.Map;import java.util.Set;import org.apache.log4j.Logger;import com.test.constants.JRedisPoolConfig;  import redis.clients.jedis.Jedis;import redis.clients.jedis.JedisPool;import redis.clients.jedis.JedisPoolConfig; import redis.clients.jedis.SortingParams;import redis.clients.jedis.BinaryClient.LIST_POSITION;import redis.clients.util.SafeEncoder;/** * @author Mr.hu * @version crateTime：2013-10-30 下午5:41:30 * Class Explain:JedisUtil   */public class JedisUtil {  private Logger log = Logger.getLogger(this.getClass());   /**缓存生存时间 */ private final int expire = 60000; /** 操作Key的方法 */ public Keys KEYS; /** 对存储结构为String类型的操作 */ public Strings STRINGS; /** 对存储结构为List类型的操作 */ public Lists LISTS;  /** 对存储结构为Set类型的操作 */ public Sets SETS; /** 对存储结构为HashMap类型的操作 */ public Hash HASH; /** 对存储结构为Set(排序的)类型的操作 */ public SortSet SORTSET; private static JedisPool jedisPool = null;    private JedisUtil() {    }      static {              JedisPoolConfig config = new JedisPoolConfig();            config.setMaxActive(JRedisPoolConfig.MAX_ACTIVE);               config.setMaxIdle(JRedisPoolConfig.MAX_IDLE);            config.setMaxWait(JRedisPoolConfig.MAX_WAIT);             config.setTestOnBorrow(JRedisPoolConfig.TEST_ON_BORROW);            config.setTestOnReturn(JRedisPoolConfig.TEST_ON_RETURN);             //redis如果设置了密码：            jedisPool = new JedisPool(config, JRedisPoolConfig.REDIS_IP,             JRedisPoolConfig.REDIS_PORT,            10000,JRedisPoolConfig.REDIS_PASSWORD);                //redis未设置了密码：           // jedisPool = new JedisPool(config, JRedisPoolConfig.REDIS_IP,             //JRedisPoolConfig.REDIS_PORT);    }      public JedisPool getPool() {   return jedisPool;  }      /**      * 从jedis连接池中获取获取jedis对象        * @return      */     public Jedis getJedis() {       return jedisPool.getResource();  }               private static final JedisUtil jedisUtil = new JedisUtil();      /**     * 获取JedisUtil实例     * @return     */    public static JedisUtil getInstance() {return jedisUtil; }    /**     * 回收jedis     * @param jedis     */    public void returnJedis(Jedis jedis) {jedisPool.returnResource(jedis);}         /** * 设置过期时间 * @author ruan 2013-4-11 * @param key * @param seconds */public void expire(String key, int seconds) {if (seconds <= 0) { return;}Jedis jedis = getJedis();jedis.expire(key, seconds);returnJedis(jedis);}/** * 设置默认过期时间 * @author ruan 2013-4-11 * @param key */public void expire(String key) {expire(key, expire);}//*******************************************Keys*******************************************//public class Keys {/** * 清空所有key */public String flushAll() {Jedis jedis = getJedis();String stata = jedis.flushAll();returnJedis(jedis);return stata;}/** * 更改key * @param String oldkey * @param String  newkey * @return 状态码 * */public String rename(String oldkey, String newkey) { return rename(SafeEncoder.encode(oldkey),SafeEncoder.encode(newkey));}/** * 更改key,仅当新key不存在时才执行 * @param String oldkey * @param String newkey  * @return 状态码 * */public long renamenx(String oldkey, String newkey) {Jedis jedis = getJedis();long status = jedis.renamenx(oldkey, newkey);returnJedis(jedis);return status;}/** * 更改key * @param String oldkey * @param String newkey * @return 状态码 * */public String rename(byte[] oldkey, byte[] newkey) {Jedis jedis = getJedis();String status = jedis.rename(oldkey, newkey);returnJedis(jedis);return status;}/** * 设置key的过期时间，以秒为单位 * @param String key * @param 时间,已秒为单位 * @return 影响的记录数 * */public long expired(String key, int seconds) {Jedis jedis = getJedis();long count = jedis.expire(key, seconds);returnJedis(jedis);return count;}/** * 设置key的过期时间,它是距历元（即格林威治标准时间 1970 年 1 月 1 日的 00:00:00，格里高利历）的偏移量。 * @param String key * @param 时间,已秒为单位 * @return 影响的记录数 * */public long expireAt(String key, long timestamp) {Jedis jedis = getJedis();long count = jedis.expireAt(key, timestamp);returnJedis(jedis);return count;}/** * 查询key的过期时间 * @param String key * @return 以秒为单位的时间表示 * */public long ttl(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis=getJedis(); long len = sjedis.ttl(key);returnJedis(sjedis);return len;}/** * 取消对key过期时间的设置 * @param key * @return 影响的记录数 * */public long persist(String key) {Jedis jedis = getJedis();long count = jedis.persist(key);returnJedis(jedis);return count;}/** * 删除keys对应的记录,可以是多个key * @param String  ... keys * @return 删除的记录数 * */public long del(String... keys) {Jedis jedis = getJedis();long count = jedis.del(keys);returnJedis(jedis);return count;}/** * 删除keys对应的记录,可以是多个key * @param String .. keys * @return 删除的记录数 * */public long del(byte[]... keys) {Jedis jedis = getJedis();long count = jedis.del(keys);returnJedis(jedis);return count;}/** * 判断key是否存在 * @param String key * @return boolean * */public boolean exists(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis=getJedis();  boolean exis = sjedis.exists(key);returnJedis(sjedis);return exis;}/** * 对List,Set,SortSet进行排序,如果集合数据较大应避免使用这个方法 * @param String key * @return List<String> 集合的全部记录 * **/public List<String> sort(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis=getJedis();  List<String> list = sjedis.sort(key);returnJedis(sjedis);return list;}/** * 对List,Set,SortSet进行排序或limit * @param String key * @param SortingParams parame 定义排序类型或limit的起止位置. * @return List<String> 全部或部分记录 * **/public List<String> sort(String key, SortingParams parame) {//ShardedJedis sjedis = getShardedJedis(); Jedis sjedis=getJedis(); List<String> list = sjedis.sort(key, parame);returnJedis(sjedis);return list;}/** * 返回指定key存储的类型 * @param String key * @return String string|list|set|zset|hash * **/public String type(String key) {//ShardedJedis sjedis = getShardedJedis(); Jedis sjedis=getJedis();  String type = sjedis.type(key); returnJedis(sjedis);return type;}/** * 查找所有匹配给定的模式的键 * @param String  key的表达式,*表示多个，？表示一个 * */public Set<String> keys(String pattern) {Jedis jedis = getJedis();Set<String> set = jedis.keys(pattern);returnJedis(jedis);return set;}}//*******************************************Sets*******************************************//public class Sets {/** * 向Set添加一条记录，如果member已存在返回0,否则返回1 * @param String  key * @param String member * @return 操作码,0或1 * */public long sadd(String key, String member) {Jedis jedis = getJedis();long s = jedis.sadd(key, member);returnJedis(jedis);return s;}public long sadd(byte[] key, byte[] member) {Jedis jedis = getJedis();long s = jedis.sadd(key, member);returnJedis(jedis);return s;}/** * 获取给定key中元素个数 * @param String key * @return 元素个数 * */public long scard(String key) {    //ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); long len = sjedis.scard(key);returnJedis(sjedis);return len;}/** * 返回从第一组和所有的给定集合之间的差异的成员 * @param String ... keys * @return 差异的成员集合 * */public Set<String> sdiff(String... keys) {Jedis jedis = getJedis();Set<String> set = jedis.sdiff(keys);returnJedis(jedis);return set;}/** * 这个命令等于sdiff,但返回的不是结果集,而是将结果集存储在新的集合中，如果目标已存在，则覆盖。 * @param String newkey 新结果集的key * @param String ... keys 比较的集合 * @return 新集合中的记录数 * **/public long sdiffstore(String newkey, String... keys) {Jedis jedis = getJedis();long s = jedis.sdiffstore(newkey, keys);returnJedis(jedis);return s;}/** * 返回给定集合交集的成员,如果其中一个集合为不存在或为空，则返回空Set * @param String ... keys * @return 交集成员的集合 * **/public Set<String> sinter(String... keys) {Jedis jedis = getJedis();Set<String> set = jedis.sinter(keys);returnJedis(jedis);return set;}/** * 这个命令等于sinter,但返回的不是结果集,而是将结果集存储在新的集合中，如果目标已存在，则覆盖。 * @param String  newkey 新结果集的key * @param String ... keys 比较的集合 * @return 新集合中的记录数 * **/public long sinterstore(String newkey, String... keys) {Jedis jedis = getJedis();long s = jedis.sinterstore(newkey, keys);returnJedis(jedis);return s;}/** * 确定一个给定的值是否存在 * @param String  key * @param String member 要判断的值 * @return 存在返回1，不存在返回0 * **/public boolean sismember(String key, String member) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); boolean s = sjedis.sismember(key, member);returnJedis(sjedis);return s;}/** * 返回集合中的所有成员 * @param String  key * @return 成员集合 * */public Set<String> smembers(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Set<String> set = sjedis.smembers(key);returnJedis(sjedis);return set;}public Set<byte[]> smembers(byte[] key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  Set<byte[]> set = sjedis.smembers(key);returnJedis(sjedis);return set;}/** * 将成员从源集合移出放入目标集合 <br/> * 如果源集合不存在或不包哈指定成员，不进行任何操作，返回0<br/> * 否则该成员从源集合上删除，并添加到目标集合，如果目标集合中成员已存在，则只在源集合进行删除 * @param String  srckey 源集合 * @param String dstkey 目标集合 * @param String member 源集合中的成员 * @return 状态码，1成功，0失败 * */public long smove(String srckey, String dstkey, String member) {Jedis jedis = getJedis();long s = jedis.smove(srckey, dstkey, member);returnJedis(jedis);return s;}/** * 从集合中删除成员 * @param String  key * @return 被删除的成员 * */public String spop(String key) {Jedis jedis = getJedis();String s = jedis.spop(key);returnJedis(jedis);return s;}/** * 从集合中删除指定成员 * @param String key * @param String  member 要删除的成员 * @return 状态码，成功返回1，成员不存在返回0 * */public long srem(String key, String member) {Jedis jedis = getJedis();long s = jedis.srem(key, member);returnJedis(jedis);return s;}/** * 合并多个集合并返回合并后的结果，合并后的结果集合并不保存<br/> * @param String  ... keys * @return 合并后的结果集合 * @see sunionstore * */public Set<String> sunion(String... keys) {Jedis jedis = getJedis();Set<String> set = jedis.sunion(keys);returnJedis(jedis);return set;}/** * 合并多个集合并将合并后的结果集保存在指定的新集合中，如果新集合已经存在则覆盖 * @param String  newkey 新集合的key * @param String ... keys 要合并的集合 * **/public long sunionstore(String newkey, String... keys) {Jedis jedis = getJedis();long s = jedis.sunionstore(newkey, keys);returnJedis(jedis);return s;}}//*******************************************SortSet*******************************************//public class SortSet {/** * 向集合中增加一条记录,如果这个值已存在，这个值对应的权重将被置为新的权重 * @param String  key * @param double score 权重 * @param String  member 要加入的值， * @return 状态码 1成功，0已存在member的值 * */public long zadd(String key, double score, String member) {Jedis jedis = getJedis();long s = jedis.zadd(key, score, member);returnJedis(jedis);return s;}public long zadd(String key, Map<Double, String> scoreMembers) {Jedis jedis = getJedis();long s = jedis.zadd(key, scoreMembers);returnJedis(jedis);return s;}/** * 获取集合中元素的数量 * @param String  key * @return 如果返回0则集合不存在 * */public long zcard(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();long len = sjedis.zcard(key);returnJedis(sjedis);return len;}/** * 获取指定权重区间内集合的数量 * @param String key * @param double min 最小排序位置 * @param double max 最大排序位置 * */public long zcount(String key, double min, double max) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();long len = sjedis.zcount(key, min, max);returnJedis(sjedis);return len;}/** * 获得set的长度 *  * @param key * @return */public long zlength(String key) {long len = 0;Set<String> set = zrange(key, 0, -1);len = set.size();return len;}/** * 权重增加给定值，如果给定的member已存在 * @param String  key * @param double score 要增的权重 * @param String  member 要插入的值 * @return 增后的权重 * */public double zincrby(String key, double score, String member) {Jedis jedis = getJedis();double s = jedis.zincrby(key, score, member);returnJedis(jedis);return s;}/** * 返回指定位置的集合元素,0为第一个元素，-1为最后一个元素 * @param String key * @param int start 开始位置(包含) * @param int end 结束位置(包含) * @return Set<String> * */public Set<String> zrange(String key, int start, int end) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Set<String> set = sjedis.zrange(key, start, end);returnJedis(sjedis);return set;}/** * 返回指定权重区间的元素集合 * @param String key * @param double min 上限权重 * @param double max 下限权重 * @return Set<String> * */public Set<String> zrangeByScore(String key, double min, double max) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Set<String> set = sjedis.zrangeByScore(key, min, max);returnJedis(sjedis);return set;}/** * 获取指定值在集合中的位置，集合排序从低到高 * @see zrevrank * @param String key * @param String member * @return long 位置 * */public long zrank(String key, String member) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); long index = sjedis.zrank(key, member);returnJedis(sjedis);return index;}/** * 获取指定值在集合中的位置，集合排序从高到低 * @see zrank * @param String key * @param String member * @return long 位置 * */public long zrevrank(String key, String member) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); long index = sjedis.zrevrank(key, member);returnJedis(sjedis);return index;}/** * 从集合中删除成员 * @param String key * @param String member  * @return 返回1成功 * */public long zrem(String key, String member) {Jedis jedis = getJedis();long s = jedis.zrem(key, member);returnJedis(jedis);return s;}/** * 删除 * @param key * @return */public long zrem(String key) {Jedis jedis = getJedis();long s = jedis.del(key);returnJedis(jedis);return s;}/** * 删除给定位置区间的元素 * @param String  key * @param int start 开始区间，从0开始(包含) * @param int end 结束区间,-1为最后一个元素(包含) * @return 删除的数量 * */public long zremrangeByRank(String key, int start, int end) {Jedis jedis = getJedis();long s = jedis.zremrangeByRank(key, start, end);returnJedis(jedis);return s;}/** * 删除给定权重区间的元素 * @param String key * @param double min 下限权重(包含) * @param double max 上限权重(包含) * @return 删除的数量 * */public long zremrangeByScore(String key, double min, double max) {Jedis jedis = getJedis();long s = jedis.zremrangeByScore(key, min, max);returnJedis(jedis);return s;}/** * 获取给定区间的元素，原始按照权重由高到低排序 * @param String  key * @param int start * @param int end * @return Set<String> * */public Set<String> zrevrange(String key, int start, int end) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Set<String> set = sjedis.zrevrange(key, start, end);returnJedis(sjedis);return set;}/** * 获取给定值在集合中的权重 * @param String  key * @param memeber * @return double 权重 * */public double zscore(String key, String memebr) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Double score = sjedis.zscore(key, memebr);returnJedis(sjedis);if (score != null)return score;return 0;}}//*******************************************Hash*******************************************//public class Hash {/** * 从hash中删除指定的存储 * @param String key * @param String  fieid 存储的名字 * @return 状态码，1成功，0失败 * */public long hdel(String key, String fieid) {Jedis jedis = getJedis();long s = jedis.hdel(key, fieid);returnJedis(jedis);return s;}public long hdel(String key) {Jedis jedis = getJedis();long s = jedis.del(key);returnJedis(jedis);return s;}/** * 测试hash中指定的存储是否存在 * @param String key * @param String  fieid 存储的名字 * @return 1存在，0不存在 * */public boolean hexists(String key, String fieid) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); boolean s = sjedis.hexists(key, fieid);returnJedis(sjedis);return s;}/** * 返回hash中指定存储位置的值 *  * @param String key * @param String fieid 存储的名字 * @return 存储对应的值 * */public String hget(String key, String fieid) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); String s = sjedis.hget(key, fieid);returnJedis(sjedis);return s;}public byte[] hget(byte[] key, byte[] fieid) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); byte[] s = sjedis.hget(key, fieid);returnJedis(sjedis);return s;}/** * 以Map的形式返回hash中的存储和值 * @param String    key * @return Map<Strinig,String> * */public Map<String, String> hgetAll(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Map<String, String> map = sjedis.hgetAll(key);returnJedis(sjedis);return map;}/** * 添加一个对应关系 * @param String  key * @param String fieid * @param String value * @return 状态码 1成功，0失败，fieid已存在将更新，也返回0 * **/public long hset(String key, String fieid, String value) {Jedis jedis = getJedis();long s = jedis.hset(key, fieid, value);returnJedis(jedis);return s;}public long hset(String key, String fieid, byte[] value) {Jedis jedis = getJedis();long s = jedis.hset(key.getBytes(), fieid.getBytes(), value);returnJedis(jedis);return s;}/** * 添加对应关系，只有在fieid不存在时才执行 * @param String key * @param String fieid * @param String value * @return 状态码 1成功，0失败fieid已存 * **/public long hsetnx(String key, String fieid, String value) {Jedis jedis = getJedis();long s = jedis.hsetnx(key, fieid, value);returnJedis(jedis);return s;}/** * 获取hash中value的集合 *  * @param String *            key * @return List<String> * */public List<String> hvals(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); List<String> list = sjedis.hvals(key);returnJedis(sjedis);return list;}/** * 在指定的存储位置加上指定的数字，存储位置的值必须可转为数字类型 * @param String  key * @param String  fieid 存储位置 * @param String long value 要增加的值,可以是负数 * @return 增加指定数字后，存储位置的值 * */public long hincrby(String key, String fieid, long value) {Jedis jedis = getJedis();long s = jedis.hincrBy(key, fieid, value);returnJedis(jedis);return s;}/** * 返回指定hash中的所有存储名字,类似Map中的keySet方法 * @param String key * @return Set<String> 存储名称的集合 * */public Set<String> hkeys(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); Set<String> set = sjedis.hkeys(key);returnJedis(sjedis);return set;}/** * 获取hash中存储的个数，类似Map中size方法 * @param String  key * @return long 存储的个数 * */public long hlen(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  long len = sjedis.hlen(key);returnJedis(sjedis);return len;}/** * 根据多个key，获取对应的value，返回List,如果指定的key不存在,List对应位置为null * @param String  key * @param String ... fieids 存储位置 * @return List<String> * */public List<String> hmget(String key, String... fieids) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis(); List<String> list = sjedis.hmget(key, fieids);returnJedis(sjedis);return list;}public List<byte[]> hmget(byte[] key, byte[]... fieids) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  List<byte[]> list = sjedis.hmget(key, fieids);returnJedis(sjedis);return list;}/** * 添加对应关系，如果对应关系已存在，则覆盖 * @param Strin   key * @param Map <String,String> 对应关系 * @return 状态，成功返回OK * */public String hmset(String key, Map<String, String> map) {Jedis jedis = getJedis();String s = jedis.hmset(key, map);returnJedis(jedis);return s;}/** * 添加对应关系，如果对应关系已存在，则覆盖 * @param Strin key * @param Map <String,String> 对应关系 * @return 状态，成功返回OK * */public String hmset(byte[] key, Map<byte[], byte[]> map) {Jedis jedis = getJedis();String s = jedis.hmset(key, map);returnJedis(jedis);return s;}}//*******************************************Strings*******************************************//public class Strings {/** * 根据key获取记录 * @param String  key * @return 值 * */public String get(String key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  String value = sjedis.get(key);returnJedis(sjedis);return value;}/** * 根据key获取记录 * @param byte[] key * @return 值 * */public byte[] get(byte[] key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  byte[] value = sjedis.get(key);returnJedis(sjedis);return value;}/** * 添加有过期时间的记录 *  * @param String  key * @param int seconds 过期时间，以秒为单位 * @param String value * @return String 操作状态 * */public String setEx(String key, int seconds, String value) {Jedis jedis = getJedis();String str = jedis.setex(key, seconds, value);returnJedis(jedis);return str;}/** * 添加有过期时间的记录 *  * @param String key * @param int seconds 过期时间，以秒为单位 * @param String  value * @return String 操作状态 * */public String setEx(byte[] key, int seconds, byte[] value) {Jedis jedis = getJedis();String str = jedis.setex(key, seconds, value);returnJedis(jedis);return str;}/** * 添加一条记录，仅当给定的key不存在时才插入 * @param String key * @param String value * @return long 状态码，1插入成功且key不存在，0未插入，key存在 * */public long setnx(String key, String value) {Jedis jedis = getJedis();long str = jedis.setnx(key, value);returnJedis(jedis);return str;}/** * 添加记录,如果记录已存在将覆盖原有的value * @param String key * @param String value * @return 状态码 * */public String set(String key, String value) {return set(SafeEncoder.encode(key), SafeEncoder.encode(value));}/** * 添加记录,如果记录已存在将覆盖原有的value * @param String  key * @param String value * @return 状态码 * */public String set(String key, byte[] value) {return set(SafeEncoder.encode(key), value);}/** * 添加记录,如果记录已存在将覆盖原有的value * @param byte[] key * @param byte[] value * @return 状态码 * */public String set(byte[] key, byte[] value) {Jedis jedis = getJedis();String status = jedis.set(key, value);returnJedis(jedis);return status;}/** * 从指定位置开始插入数据，插入的数据会覆盖指定位置以后的数据<br/> * 例:String str1="123456789";<br/> * 对str1操作后setRange(key,4,0000)，str1="123400009"; * @param String  key * @param long offset * @param String  value * @return long value的长度 * */public long setRange(String key, long offset, String value) {Jedis jedis = getJedis();long len = jedis.setrange(key, offset, value);returnJedis(jedis);return len;}/** * 在指定的key中追加value * @param String  key * @param String value * @return long 追加后value的长度 * **/public long append(String key, String value) {Jedis jedis = getJedis();long len = jedis.append(key, value);returnJedis(jedis);return len;}/** * 将key对应的value减去指定的值，只有value可以转为数字时该方法才可用 * @param String key * @param long number 要减去的值 * @return long 减指定值后的值 * */public long decrBy(String key, long number) {Jedis jedis = getJedis();long len = jedis.decrBy(key, number);returnJedis(jedis);return len;}/** * <b>可以作为获取唯一id的方法</b><br/> * 将key对应的value加上指定的值，只有value可以转为数字时该方法才可用 * @param String  key * @param long number 要减去的值 * @return long 相加后的值 * */public long incrBy(String key, long number) {Jedis jedis = getJedis();long len = jedis.incrBy(key, number);returnJedis(jedis);return len;}/** * 对指定key对应的value进行截取  * @param String   key * @param long startOffset 开始位置(包含) * @param long endOffset 结束位置(包含) * @return String 截取的值 * */public String getrange(String key, long startOffset, long endOffset) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  String value = sjedis.getrange(key, startOffset, endOffset);returnJedis(sjedis); return value;}/** * 获取并设置指定key对应的value<br/> * 如果key存在返回之前的value,否则返回null * @param String  key * @param String value * @return String 原始value或null * */public String getSet(String key, String value) {Jedis jedis = getJedis();String str = jedis.getSet(key, value);returnJedis(jedis);return str;}/** * 批量获取记录,如果指定的key不存在返回List的对应位置将是null * @param String keys * @return List<String> 值得集合 * */public List<String> mget(String... keys) {Jedis jedis = getJedis();List<String> str = jedis.mget(keys);returnJedis(jedis);return str;}/** * 批量存储记录 * @param String keysvalues 例:keysvalues="key1","value1","key2","value2"; * @return String 状态码  * */public String mset(String... keysvalues) {Jedis jedis = getJedis();String str = jedis.mset(keysvalues);returnJedis(jedis);return str;}/** * 获取key对应的值的长度 * @param String key * @return value值得长度 * */public long strlen(String key) {Jedis jedis = getJedis();long len = jedis.strlen(key);returnJedis(jedis);return len;}}//*******************************************Lists*******************************************//public class Lists {/** * List长度 * @param String key * @return 长度 * */public long llen(String key) {return llen(SafeEncoder.encode(key));}/** * List长度 * @param byte[] key * @return 长度 * */public long llen(byte[] key) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  long count = sjedis.llen(key);returnJedis(sjedis);return count;}/** * 覆盖操作,将覆盖List中指定位置的值 * @param byte[] key * @param int index 位置 * @param byte[] value 值 * @return 状态码 * */public String lset(byte[] key, int index, byte[] value) {Jedis jedis = getJedis();String status = jedis.lset(key, index, value);returnJedis(jedis);return status;}/** * 覆盖操作,将覆盖List中指定位置的值 * @param key * @param int index 位置 * @param String  value 值 * @return 状态码 * */public String lset(String key, int index, String value) {return lset(SafeEncoder.encode(key), index,SafeEncoder.encode(value));}/** * 在value的相对位置插入记录 * @param key * @param LIST_POSITION   前面插入或后面插入 * @param String pivot 相对位置的内容 * @param String value 插入的内容 * @return 记录总数 * */public long linsert(String key, LIST_POSITION where, String pivot,String value) {return linsert(SafeEncoder.encode(key), where,SafeEncoder.encode(pivot), SafeEncoder.encode(value));}/** * 在指定位置插入记录 * @param String key * @param LIST_POSITION 前面插入或后面插入 * @param byte[] pivot 相对位置的内容 * @param byte[] value 插入的内容 * @return 记录总数 * */public long linsert(byte[] key, LIST_POSITION where, byte[] pivot,byte[] value) {Jedis jedis = getJedis();long count = jedis.linsert(key, where, pivot, value);returnJedis(jedis);return count;}/** * 获取List中指定位置的值 * @param String  key * @param int index 位置  * @return 值 * **/public String lindex(String key, int index) {return SafeEncoder.encode(lindex(SafeEncoder.encode(key), index));}/** * 获取List中指定位置的值  * @param byte[] key * @param int index 位置 * @return 值 * **/public byte[] lindex(byte[] key, int index) { //ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();  byte[] value = sjedis.lindex(key, index);returnJedis(sjedis);return value;}/** * 将List中的第一条记录移出List * @param String key * @return 移出的记录  * */public String lpop(String key) {return SafeEncoder.encode(lpop(SafeEncoder.encode(key)));}/** * 将List中的第一条记录移出List * @param byte[] key * @return 移出的记录 * */public byte[] lpop(byte[] key) {Jedis jedis = getJedis();byte[] value = jedis.lpop(key);returnJedis(jedis);return value;}/** * 将List中最后第一条记录移出List *  * @param byte[] key * @return 移出的记录 * */public String rpop(String key) {Jedis jedis = getJedis();String value = jedis.rpop(key);returnJedis(jedis);return value;}/** * 向List尾部追加记录 * @param String key * @param String value * @return 记录总数 * */public long lpush(String key, String value) {return lpush(SafeEncoder.encode(key), SafeEncoder.encode(value));}/** * 向List头部追加记录 * @param String  key * @param String  value * @return 记录总数 * */public long rpush(String key, String value) {Jedis jedis = getJedis();long count = jedis.rpush(key, value);returnJedis(jedis);return count;}/** * 向List头部追加记录 * @param String key * @param String value * @return 记录总数 * */public long rpush(byte[] key, byte[] value) {Jedis jedis = getJedis();long count = jedis.rpush(key, value);returnJedis(jedis);return count;}/** * 向List中追加记录 * @param byte[] key * @param byte[] value * @return 记录总数 * */public long lpush(byte[] key, byte[] value) {Jedis jedis = getJedis();long count = jedis.lpush(key, value);returnJedis(jedis);return count;}/** * 获取指定范围的记录，可以做为分页使用 * @param String key * @param long start * @param long end * @return List * */public List<String> lrange(String key, long start, long end) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();   List<String> list = sjedis.lrange(key, start, end);returnJedis(sjedis);return list;}/** * 获取指定范围的记录，可以做为分页使用 * @param byte[] key * @param int start * @param int end 如果为负数，则尾部开始计算 * @return List * */public List<byte[]> lrange(byte[] key, int start, int end) {//ShardedJedis sjedis = getShardedJedis();Jedis sjedis = getJedis();   List<byte[]> list = sjedis.lrange(key, start, end);returnJedis(sjedis);return list;}/** * 删除List中c条记录，被删除的记录值为value * @param byte[] key * @param int c 要删除的数量，如果为负数则从List的尾部检查并删除符合的记录 * @param byte[] value 要匹配的值 * @return 删除后的List中的记录数 * */public long lrem(byte[] key, int c, byte[] value) {Jedis jedis = getJedis();long count = jedis.lrem(key, c, value);returnJedis(jedis);return count;}/** * 删除List中c条记录，被删除的记录值为value * @param String key * @param int c 要删除的数量，如果为负数则从List的尾部检查并删除符合的记录 * @param String value 要匹配的值 * @return 删除后的List中的记录数 * */public long lrem(String key, int c, String value) {return lrem(SafeEncoder.encode(key), c, SafeEncoder.encode(value));}/** * 算是删除吧，只保留start与end之间的记录 * @param byte[] key * @param int start 记录的开始位置(0表示第一条记录) * @param int end 记录的结束位置（如果为-1则表示最后一个，-2，-3以此类推） * @return 执行状态码 * */public String ltrim(byte[] key, int start, int end) {Jedis jedis = getJedis();String str = jedis.ltrim(key, start, end);returnJedis(jedis);return str;}/**  * 算是删除吧，只保留start与end之间的记录 * @param String key  * @param int start 记录的开始位置(0表示第一条记录) * @param int end 记录的结束位置（如果为-1则表示最后一个，-2，-3以此类推） * @return 执行状态码 * */public String ltrim(String key, int start, int end) {return ltrim(SafeEncoder.encode(key), start, end);}} public static void main(String[] args) {JedisUtil jedisUtil= JedisUtil.getInstance();  JedisUtil.Strings strings=jedisUtil.new Strings();strings.set("nnn", "nnnn"); System.out.println("-----"+strings.get("nnn"));   Jedis jedis=JedisUtil.getInstance().getJedis(); for (int i = 0; i < 10; i++) { jedis.set("test", "test"); System.out.println(i+"=="+jedis.get("test"));  }JedisUtil.getInstance().returnJedis(jedis);   }}