/**
?*?基于jedis的redis操作工具类
?*?@author?jyf
?*?@time?2019/8/3?22:30
?*/
public?final?class?RedisUtils?{
?
???/*
????除了该工具类提供的方法外，还可以在外面调用getJedis()方法，获取到jedis实例后，调用它原生的api来操作
?????*/
?
????/**
?????*?获取jedis对象，并选择redis库。jedis默认是0号库，可传入1-16之间的数选择库存放数据
?????*?原则上使用一个redis库存放数据，通过特定的key的命令规则来区分不同的数据就行了。
?????*
?????*?@param?index redis库号。使用可变参数的目的就是该参数可传可不传。
?????*?@return?返回jedis对象
?????*/
????public?static?Jedis?getJedis(int...?index)?{
????????Jedis?jedis?=?MyJedisPoolConfig.getJedisPool().getResource();
????????if?(index?!=?null?&&?index.length?>?0)?{
????????????if?(index[0]?>?0?&&?index[0]?<=?16){
????????????????jedis.select(index[0]);
????????????}
????????}
????????return?jedis;
????}
?
????/*########################??key的操作??################################*/
?
????/**
?????*?根据pattern返回当前库中的key
?????*
?????*?@param?pattern
?????*?@return
?????*/
????public?static?Set<String>?keys(String?pattern)?{
????????Jedis?jedis?=?null;
????????Set<String>?keys?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????keys?=?jedis.keys(pattern);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?keys;
????}
?
????/**
?????*?删除一个或多个key
?????*
?????*?@param?key?一个或多个key
?????*/
????public?static?Long?del(String...?key)?{
????????Jedis?jedis?=?null;
????????Long?delNum?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????delNum?=jedis.del(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?delNum;
????}
?
????/**
?????*?批量删除
?????*?@param?keyList?要删除的key的集合
?????*/
????public?static?void?mdel(List<String>?keyList){
????????Jedis?jedis?=?getJedis();
????????//获取pipeline
????????Pipeline?pipeline?=?jedis.pipelined();
????????for?(String?key?:?keyList)?{
????????????pipeline.del(key);
????????}
????????//执行结果同步，这样才能保证结果的正确性。实际上不执行该方法也执行了上面的命令，但是结果确不一定完全正确。
????????//注意
????????pipeline.sync();
????????//关闭连接
????????jedis.close();
????}
?
????/**
?????*?判断某个key是否还存在
?????*
?????*?@param?key?key
?????*?@return
?????*/
????public?static?Boolean?exists(String?key)?{
????????Jedis?jedis?=?null;
????????Boolean?flag?=?false;
????????try?{
????????????jedis?=?getJedis();
????????????flag?=?jedis.exists(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?flag;
????}
?
????/**
?????*?设置某个key的过期时间，单位秒
?????*
?????*?@param?key?key
?????*?@param?seconds?过期时间秒
?????*/
????public?static?void?expire(String?key,?int?seconds)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.expire(key,?seconds);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?查看某个key还有几秒过期，-1表示永不过期?，-2表示已过期
?????*
?????*?@param?key?key
?????*?@return
?????*/
????public?static?Long?timeToLive(String?key)?{
????????Jedis?jedis?=?null;
????????Long?ttl;
????????try?{
????????????jedis?=?getJedis();
????????????ttl?=?jedis.ttl(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?ttl;
????}
?
????/**
?????*?查看某个key对应的value的类型
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?String?type(String?key)?{
????????Jedis?jedis?=?null;
????????String?type?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????type?=?jedis.type(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?type;
????}
?
?
????/*########################??string(字符串)的操作??####################*/
?
????/**
?????*?获取某个key的value，类型要对，只能value是string的才能获取
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?String?get(String?key)?{
????????Jedis?jedis?=?null;
????????String?value?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????value?=?jedis.get(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?value;
????}
?
????/**
?????*?设置某个key的value
?????*
?????*?@param?key
?????*?@param?value
?????*/
????public?static?void?set(String?key,?String?value)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.set(key,?value);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?字符串后追加内容
?????*
?????*?@param?key?key
?????*?@param?appendContent?要追加的内容
?????*/
????public?static?void?append(String?key,?String?appendContent)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.append(key,?appendContent);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?返回key的value的长度
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?Long?strlen(String?key)?{
????????Jedis?jedis?=?null;
????????Long?strLen?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????strLen?=?jedis.strlen(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?strLen;
????}
?
????/**
?????*?value?加1?必
?????*?须是字符型数字
?????*?@param?key
?????*?@return?增加后的值
?????*/
????public?static?Long?incr(String?key)?{
????????Jedis?jedis?=?null;
????????Long?incrResult?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????incrResult?=?jedis.incr(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?incrResult;
????}
?
????/**
?????*?value?减1???必须是字符型数字
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?Long?decr(String?key)?{
????????Jedis?jedis?=?null;
????????Long?decrResult?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????decrResult?=?jedis.decr(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?decrResult;
????}
?
????/**
?????*?value?加increment
?????*
?????*?@param?key?key
?????*?@param?increment?加几
?????*?@return
?????*/
????public?static?Long?incrby(String?key,?int?increment)?{
????????Jedis?jedis?=?null;
????????Long?incrByResult?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????incrByResult?=?jedis.incrBy(key,?increment);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?incrByResult;
????}
?
????/**
?????*?value?减increment
?????*
?????*?@param?key
?????*?@param?increment
?????*?@return
?????*/
????public?static?Long?decrby(String?key,?int?increment)?{
????????Jedis?jedis?=?null;
????????Long?decrByResult?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????decrByResult?=?jedis.decrBy(key,?increment);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?decrByResult;
????}
?
????/**
?????*?给某个key设置过期时间和value，成功返回OK
?????*
?????*?@param?key?key
?????*?@param?seconds?过期时间秒
?????*?@param?value?设置的值
?????*?@return
?????*/
????public?static?String?setex(String?key,?int?seconds,?String?value)?{
????????Jedis?jedis?=?null;
????????String?result?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????result?=?jedis.setex(key,?seconds,?value);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?result;
????}
?
?
????/*########################??list(列表)的操作??#######################*/
????//lpush?rpush?lpop?rpop?lrange?lindex?llen?lset
?
????/**
?????*?从左边向列表中添加值
?????*
?????*?@param?key?key
?????*?@param?str?要添加的值
?????*/
????public?static?void?lpush(String?key,?String?str)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.lpush(key,?str);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?从右边向列表中添加值
?????*
?????*?@param?key?key
?????*?@param?str?要添加的值
?????*/
????public?static?void?rpush(String?key,?String?str)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.rpush(key,?str);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?从左边取出一个列表中的值
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?String?lpop(String?key)?{
????????Jedis?jedis?=?null;
????????String?lpop?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????lpop?=?jedis.lpop(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?lpop;
????}
?
????/**
?????*?从右边取出一个列表中的值
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?String?rpop(String?key)?{
????????Jedis?jedis?=?null;
????????String?rpop?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????rpop?=?jedis.rpop(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?rpop;
????}
?
????/**
?????*?取出列表中指定范围内的值，0?到?-1?表示全部
?????*
?????*?@param?key
?????*?@param?startIndex
?????*?@param?endIndex
?????*?@return
?????*/
????public?static?List<String>?lrange(String?key,?int?startIndex,?int?endIndex)?{
????????Jedis?jedis?=?null;
????????List<String>?result?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????result?=?jedis.lrange(key,?startIndex,?endIndex);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?result;
????}
?
????/**
?????*?返回某列表指定索引位置的值
?????*
?????*?@param?key?列表key
?????*?@param?index?索引位置
?????*?@return
?????*/
????public?static?String?lindex(String?key,?int?index)?{
????????Jedis?jedis?=?null;
????????String?lindex?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????lindex?=?jedis.lindex(key,?index);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?lindex;
????}
?
????/**
?????*?返回某列表的长度
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?Long?llen(String?key)?{
????????Jedis?jedis?=?null;
????????Long?llen?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????llen?=?jedis.llen(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?llen;
????}
?
????/**
?????*?给某列表指定位置设置为指定的值
?????*
?????*?@param?key
?????*?@param?index
?????*?@param?str
?????*/
????public?static?void?lset(String?key,?Long?index,?String?str)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.lset(key,?index,?str);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?对列表进行剪裁，保留指定闭区间的元素(索引位置也会重排)
?????*?@param?key?列表key
?????*?@param?startIndex?开始索引位置
?????*?@param?endIndex?结束索引位置
?????*/
????public?static?void?ltrim(String?key,Integer?startIndex,Integer?endIndex){
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.ltrim(key,?startIndex,?endIndex);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?从列表的左边阻塞弹出一个元素
?????*?@param?key?列表的key
?????*?@param?timeout?阻塞超时时间，0表示若没有元素就永久阻塞
?????*?@return
?????*/
????public?static?List<String>?blpop(String?key,Integer?timeout){
????????Jedis?jedis?=?null;
????????List<String>?valueList?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????valueList?=?jedis.blpop(timeout,?key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?valueList;
????}
?
????/**
?????*?从列表的右边阻塞弹出一个元素
?????*?@param?key?列表的key
?????*?@param?timeout?阻塞超时时间，0表示若没有元素就永久阻塞
?????*?@return
?????*/
????public?static?List<String>?brpop(String?key,Integer?timeout){
????????Jedis?jedis?=?null;
????????List<String>?valueList?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????valueList?=?jedis.brpop(timeout,?key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?valueList;
????}
?
?
????/*########################??hash(哈希表)的操作??#######################*/
????//hset?hget?hmset?hmget?hgetall?hdel?hkeys?hvals?hexists?hincrby
?
????/**
?????*?给某个hash表设置一个键值对
?????*
?????*?@param?key
?????*?@param?field
?????*?@param?value
?????*/
????public?static?void?hset(String?key,?String?field,?String?value)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.hset(key,?field,?value);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?取出某个hash表中某个field对应的value
?????*
?????*?@param?key?key
?????*?@param?field?field
?????*?@return
?????*/
????public?static?String?hget(String?key,?String?field)?{
????????Jedis?jedis?=?null;
????????String?hget?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????hget?=?jedis.hget(key,?field);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?hget;
????}
?
????/**
?????*?某个hash表设置一个或多个键值对
?????*
?????*?@param?key
?????*?@param?kvMap
?????*/
????public?static?void?hmset(String?key,?Map<String,?String>?kvMap)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.hmset(key,?kvMap);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?取出某个hash表中任意多个key对应的value的集合
?????*
?????*?@param?key
?????*?@param?fields
?????*?@return
?????*/
????public?static?List<String>?hmget(String?key,?String...?fields)?{
????????Jedis?jedis?=?null;
????????List<String>?hmget?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????hmget?=?jedis.hmget(key,?fields);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?hmget;
????}
?
????/**
?????*?取出某个hash表中所有的键值对
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?Map<String,?String>?hgetall(String?key)?{
????????Jedis?jedis?=?null;
????????Map<String,?String>?kvMap?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????kvMap?=?jedis.hgetAll(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?kvMap;
????}
?
????/**
?????*?判断某个hash表中的某个key是否存在
?????*
?????*?@param?key
?????*?@param?field
?????*?@return
?????*/
????public?static?Boolean?hexists(String?key,?String?field)?{
????????Jedis?jedis?=?null;
????????Boolean?exists?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????exists?=?jedis.hexists(key,?field);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?exists;
????}
?
????/**
?????*?返回某个hash表中所有的key
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?Set<String>?hkeys(String?key)?{
????????Jedis?jedis?=?null;
????????Set<String>?keys?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????keys?=?jedis.hkeys(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?keys;
????}
?
????/**
?????*?返回某个hash表中所有的value
?????*
?????*?@param?key
?????*?@return
?????*/
????public?static?List<String>?hvals(String?key)?{
????????Jedis?jedis?=?null;
????????List<String>?hvals?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????hvals?=?jedis.hvals(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?hvals;
????}
?
????/**
?????*?删除某个hash表中的一个或多个键值对
?????*
?????*?@param?key
?????*?@param?fields
?????*/
????public?static?void?hdel(String?key,?String...?fields)?{
????????Jedis?jedis?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????jedis.hdel(key,?fields);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????}
?
????/**
?????*?给某个hash表中的某个field的value增加多少
?????*
?????*?@param?key???????hash表的key
?????*?@param?field?????表中的某个field
?????*?@param?increment?增加多少
?????*?@return
?????*/
????public?static?Long?hincrby(String?key,?String?field,?Long?increment)?{
????????Jedis?jedis?=?null;
????????Long?result?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????result?=?jedis.hincrBy(key,?field,?increment);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?result;
????}
?
????/*########################??set(集合)的操作??###########################*/
?
????/**
?????*?往set集合中添加一个或多个元素
?????*?@param?key?key
?????*?@param?members?要添加的元素
?????*?@return?添加成功的元素个数
?????*/
????public?static?Long?sadd(String?key,String...?members){
????????Jedis?jedis?=?null;
????????Long?num?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????num?=?jedis.sadd(key,?members);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?num;
????}
?
????/**
?????*?返回set集合中的所有元素，顺序与加入时的顺序一致
?????*?@param?key?key
?????*?@return
?????*/
????public?static?Set<String>?smembers(String?key){
????????Jedis?jedis?=?null;
????????Set<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.smembers(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
????/**
?????*?判断集合中是否存在某个元素
?????*?@param?key?key
?????*?@param?member?某个元素
?????*?@return?true存在，false不存在
?????*/
????public?static?Boolean?sismember(String?key,String?member){
????????Jedis?jedis?=?null;
????????Boolean?isMember?=?false;
????????try?{
????????????jedis?=?getJedis();
????????????isMember?=?jedis.sismember(key,?member);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?isMember;
????}
?
????/**
?????*?返回set集合的长度
?????*?@param?key?key
?????*?@return
?????*/
????public?static?Long?scard(String?key){
????????Jedis?jedis?=?null;
????????Long?len?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????len?=?jedis.scard(key);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?len;
????}
?
????/**
?????*?删除set集合中指定的一个或多个元素
?????*?@param?key
?????*?@param?members?要删除的元素
?????*?@return?删除成功的元素个数
?????*/
????public?static?Long?srem(String?key,String...?members){
????????Jedis?jedis?=?null;
????????Long?num?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????num?=?jedis.srem(key,members);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?num;
????}
?
????/**
?????*?将key1中的元素key1Member移动到key2中
?????*?@param?key1?来源集合key
?????*?@param?key2?目的地集合key
?????*?@param?key1Member?key1中的元素
?????*?@return?1成功，0失败
?????*/
????public?static?Long?smove(String?key1,String?key2,String?key1Member){
????????Jedis?jedis?=?null;
????????Long?num?=?0L;
????????try?{
????????????jedis?=?getJedis();
????????????num?=?jedis.smove(key1,key2,key1Member);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?num;
????}
?
????/**
?????*?随机查询返回集合中的指定个数的元素（若count为负数，返回的元素可能会重复）
?????*?@param?key?key
?????*?@param?count?要查询返回的元素个数
?????*?@return?元素list集合
?????*/
????public?static?List<String>?srandmember(String?key,int?count){
????????Jedis?jedis?=?null;
????????List<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.srandmember(key,count);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
????/**
?????*?从set集合中随机弹出指定个数个元素
?????*?@param?key?key
?????*?@param?count?要弹出的个数
?????*?@return?随机弹出的元素
?????*/
????public?static?Set<String>?spop(String?key,int?count){
????????Jedis?jedis?=?null;
????????Set<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.spop(key,count);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
????/**
?????*?求交集，返回多个set集合相交的部分
?????*?@param?setKeys?多个set集合的key
?????*?@return?相交的元素集合
?????*/
????public?static?Set<String>?sinter(String...?setKeys){
????????Jedis?jedis?=?null;
????????Set<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.sinter(setKeys);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
????/**
?????*?求并集，求几个set集合的并集（因为set中不会有重复的元素，合并后的集合也不会有重复的元素）
?????*?@param?setKeys?多个set的key
?????*?@return?合并后的集合
?????*/
????public?static?Set<String>?sunion(String...?setKeys){
????????Jedis?jedis?=?null;
????????Set<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.sunion(setKeys);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
????/**
?????*?求差集，求几个集合之间的差集
?????*?@param?setKeys?多个set的key
?????*?@return?差集
?????*/
????public?static?Set<String>?sdiff(String...?setKeys){
????????Jedis?jedis?=?null;
????????Set<String>?members?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????members?=?jedis.sdiff(setKeys);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?members;
????}
?
?
????/*########################??zset(有序集合)的操作??#######################*/
?
????/**
?????*?添加一个元素到zset
?????*?@param?key?key
?????*?@param?score?元素的分数
?????*?@param?member?元素
?????*?@return?成功添加的元素个数
?????*/
????public?static?Long?zadd(String?key,double?score,?String?member){
????????Jedis?jedis?=?null;
????????Long?num?=?null;
????????try?{
????????????jedis?=?getJedis();
????????????num?=?jedis.zadd(key,score,member);
????????}finally?{
????????????if?(jedis?!=?null){
????????????????jedis.close();
????????????}
????????}
????????return?num;
????}
}

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