jedis连接池及redis封装(util)

1.jedis mavne 坐标：

 <!-- https://mvnrepository.com/artifact/redis.clients/jedis --><dependency>    <groupId>redis.clients</groupId>    <artifactId>jedis</artifactId>    <version>2.9.0</version></dependency>

2.代码：

package test.jedis;import java.util.List;import java.util.Map;import java.util.Set;import redis.clients.jedis.Jedis;import redis.clients.jedis.JedisPool;import redis.clients.jedis.JedisPoolConfig;import redis.clients.jedis.BinaryClient.LIST_POSITION;/** * <p>redis通用工具类</p> * @author lin * */public class RedisUtil {    //Redis服务器IP    private static String ADDR = "127.0.0.1";    //Redis的端口号    private static int PORT = 6379;    //访问密码    private static String AUTH = "123456";    //可用连接实例的最大数目，默认值为8；    //如果赋值为-1，则表示不限制；如果pool已经分配了maxActive个jedis实例，则此时pool的状态为exhausted(耗尽)。    private static int MAX_ACTIVE = 1024;    //控制一个pool最多有多少个状态为idle(空闲的)的jedis实例，默认值8。    private static int MAX_IDLE = 200;    //等待可用连接的最大时间，单位毫秒，默认值为-1，表示永不超时。如果超过等待时间，则直接抛出JedisConnectionException；    private static int MAX_WAIT = 10000;    private static int TIMEOUT = 10000;    //在borrow一个jedis实例时，是否提前进行validate操作；如果为true，则得到的jedis实例均是可用的；    private static boolean TEST_ON_BORROW = true;    private static JedisPool pool = null;    /**     * 初始化Redis连接池     */    static {        try {            JedisPoolConfig config = new JedisPoolConfig();             config.setMaxTotal(MAX_ACTIVE);            config.setMaxIdle(MAX_IDLE);            config.setMaxWaitMillis(MAX_WAIT);            config.setTestOnBorrow(TEST_ON_BORROW);            pool = new JedisPool(config, ADDR, PORT, TIMEOUT);            //需要认证           // pool = new JedisPool(config, ADDR, PORT, TIMEOUT,AUTH);         } catch (Exception e) {            e.printStackTrace();        }    }    /**     * 返还到连接池     *      * @param pool     * @param redis     */    public static void returnResource(JedisPool pool, Jedis jedis) {        if (jedis != null) {            pool.returnResource(jedis);        }    }    /**     * <p>通过key获取储存在redis中的value</p>     * <p>并释放连接</p>     * @param key     * @return 成功返回value 失败返回null     */    public static String get(String key){        Jedis jedis = null;        String value = null;        try {            jedis = pool.getResource();            value = jedis.get(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return value;    }    /**     * <p>向redis存入key和value,并释放连接资源</p>     * <p>如果key已经存在 则覆盖</p>     * @param key     * @param value     * @return 成功 返回OK 失败返回 0     */    public static String set(String key,String value){        Jedis jedis = null;        try {            jedis = pool.getResource();            return jedis.set(key, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return "0";        } finally {            returnResource(pool, jedis);        }    }    /**     * <p>删除指定的key,也可以传入一个包含key的数组</p>     * @param keys 一个key  也可以使 string 数组     * @return 返回删除成功的个数      */    public static Long del(String...keys){        Jedis jedis = null;        try {            jedis = pool.getResource();            return jedis.del(keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return 0L;        } finally {            returnResource(pool, jedis);        }    }    /**     * <p>通过key向指定的value值追加值</p>     * @param key      * @param str      * @return 成功返回 添加后value的长度 失败 返回 添加的 value 的长度  异常返回0L     */    public static Long append(String key ,String str){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.append(key, str);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return 0L;        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>判断key是否存在</p>     * @param key     * @return true OR false     */    public static Boolean exists(String key){        Jedis jedis = null;        try {            jedis = pool.getResource();            return jedis.exists(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return false;        } finally {            returnResource(pool, jedis);        }    }    /**     * <p>设置key value,如果key已经存在则返回0,nx==> not exist</p>     * @param key     * @param value     * @return 成功返回1 如果存在 和 发生异常 返回 0     */    public static Long setnx(String key ,String value){        Jedis jedis = null;        try {            jedis = pool.getResource();            return jedis.setnx(key, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return 0L;        } finally {            returnResource(pool, jedis);        }    }    /**     * <p>设置key value并制定这个键值的有效期</p>     * @param key     * @param value     * @param seconds 单位:秒     * @return 成功返回OK 失败和异常返回null     */    public static String setex(String key,String value,int seconds){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.setex(key, seconds, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key 和offset 从指定的位置开始将原先value替换</p>     * <p>下标从0开始,offset表示从offset下标开始替换</p>     * <p>如果替换的字符串长度过小则会这样</p>     * <p>example:</p>     * <p>value : [e-mail]</p>     * <p>str : abc </p>     * <P>从下标7开始替换  则结果为</p>     * <p>RES : bigsea.abc.cn</p>     * @param key     * @param str     * @param offset 下标位置     * @return 返回替换后  value 的长度     */    public static Long setrange(String key,String str,int offset){        Jedis jedis = null;        try {            jedis = pool.getResource();            return jedis.setrange(key, offset, str);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();            return 0L;        } finally {            returnResource(pool, jedis);        }    }    /**     * <p>通过批量的key获取批量的value</p>     * @param keys string数组 也可以是一个key     * @return 成功返回value的集合, 失败返回null的集合 ,异常返回空     */    public static List<String> mget(String...keys){        Jedis jedis = null;        List<String> values = null;        try {            jedis = pool.getResource();            values = jedis.mget(keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return values;    }    /**     * <p>批量的设置key:value,可以一个</p>     * <p>example:</p>     * <p>  obj.mset(new String[]{"key2","value1","key2","value2"})</p>     * @param keysvalues     * @return 成功返回OK 失败 异常 返回 null     *      */    public static String mset(String...keysvalues){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.mset(keysvalues);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>批量的设置key:value,可以一个,如果key已经存在则会失败,操作会回滚</p>     * <p>example:</p>     * <p>  obj.msetnx(new String[]{"key2","value1","key2","value2"})</p>     * @param keysvalues      * @return 成功返回1 失败返回0      */    public static Long msetnx(String...keysvalues){        Jedis jedis = null;        Long res = 0L;        try {            jedis = pool.getResource();            res =jedis.msetnx(keysvalues);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>设置key的值,并返回一个旧值</p>     * @param key     * @param value     * @return 旧值 如果key不存在 则返回null     */    public static String getset(String key,String value){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.getSet(key, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过下标 和key 获取指定下标位置的 value</p>     * @param key     * @param startOffset 开始位置 从0 开始 负数表示从右边开始截取     * @param endOffset      * @return 如果没有返回null      */    public static String getrange(String key, int startOffset ,int endOffset){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.getrange(key, startOffset, endOffset);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key 对value进行加值+1操作,当value不是int类型时会返回错误,当key不存在是则value为1</p>     * @param key     * @return 加值后的结果     */    public static Long incr(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.incr(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key给指定的value加值,如果key不存在,则这是value为该值</p>     * @param key     * @param integer     * @return     */    public static Long incrBy(String key,Long integer){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.incrBy(key, integer);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>对key的值做减减操作,如果key不存在,则设置key为-1</p>     * @param key     * @return     */    public static Long decr(String key) {        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.decr(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>减去指定的值</p>     * @param key     * @param integer     * @return     */    public static Long decrBy(String key,Long integer){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.decrBy(key, integer);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取value值的长度</p>     * @param key     * @return 失败返回null      */    public static Long serlen(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.strlen(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key给field设置指定的值,如果key不存在,则先创建</p>     * @param key     * @param field 字段     * @param value     * @return 如果存在返回0 异常返回null     */    public static Long hset(String key,String field,String value) {        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.hset(key, field, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key给field设置指定的值,如果key不存在则先创建,如果field已经存在,返回0</p>     * @param key     * @param field     * @param value     * @return     */    public static Long hsetnx(String key,String field,String value){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.hsetnx(key, field, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key同时设置 hash的多个field</p>     * @param key     * @param hash     * @return 返回OK 异常返回null     */    public static String hmset(String key,Map<String, String> hash){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.hmset(key, hash);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key 和 field 获取指定的 value</p>     * @param key     * @param field     * @return 没有返回null     */    public static String hget(String key, String field){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.hget(key, field);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key 和 fields 获取指定的value 如果没有对应的value则返回null</p>     * @param key     * @param fields 可以使 一个String 也可以是 String数组     * @return      */    public static List<String> hmget(String key,String...fields){        Jedis jedis = null;        List<String> res = null;        try {            jedis = pool.getResource();            res = jedis.hmget(key, fields);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key给指定的field的value加上给定的值</p>     * @param key     * @param field     * @param value      * @return     */    public static Long hincrby(String key ,String field ,Long value){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.hincrBy(key, field, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key和field判断是否有指定的value存在</p>     * @param key     * @param field     * @return     */    public static Boolean hexists(String key , String field){        Jedis jedis = null;        Boolean res = false;        try {            jedis = pool.getResource();            res = jedis.hexists(key, field);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回field的数量</p>     * @param key     * @return     */    public static Long hlen(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.hlen(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key 删除指定的 field </p>     * @param key     * @param fields 可以是 一个 field 也可以是 一个数组     * @return     */    public static Long hdel(String key ,String...fields){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.hdel(key, fields);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回所有的field</p>     * @param key     * @return     */    public static Set<String> hkeys(String key){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.hkeys(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回所有和key有关的value</p>     * @param key     * @return     */    public static List<String> hvals(String key){        Jedis jedis = null;        List<String> res = null;        try {            jedis = pool.getResource();            res = jedis.hvals(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取所有的field和value</p>     * @param key     * @return     */    public static Map<String, String> hgetall(String key){        Jedis jedis = null;        Map<String, String> res = null;        try {            jedis = pool.getResource();            res = jedis.hgetAll(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key向list头部添加字符串</p>     * @param key     * @param strs 可以使一个string 也可以使string数组     * @return 返回list的value个数     */    public Long lpush(String key ,String...strs){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.lpush(key, strs);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key向list尾部添加字符串</p>     * @param key     * @param strs 可以使一个string 也可以使string数组     * @return 返回list的value个数     */    public static Long rpush(String key ,String...strs){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.rpush(key, strs);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key在list指定的位置之前或者之后 添加字符串元素</p>     * @param key      * @param where LIST_POSITION枚举类型     * @param pivot list里面的value     * @param value 添加的value     * @return     */    public static Long linsert(String key, LIST_POSITION where,            String pivot, String value){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.linsert(key, where, pivot, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key设置list指定下标位置的value</p>     * <p>如果下标超过list里面value的个数则报错</p>     * @param key      * @param index 从0开始     * @param value     * @return 成功返回OK     */    public static String lset(String key ,Long index, String value){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.lset(key, index, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key从对应的list中删除指定的count个 和 value相同的元素</p>     * @param key      * @param count 当count为0时删除全部     * @param value      * @return 返回被删除的个数     */    public static Long lrem(String key,long count,String value){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.lrem(key, count, value);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key保留list中从strat下标开始到end下标结束的value值</p>     * @param key     * @param start     * @param end     * @return 成功返回OK     */    public static String ltrim(String key ,long start ,long end){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.ltrim(key, start, end);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key从list的头部删除一个value,并返回该value</p>     * @param key     * @return      */    public static String lpop(String key){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.lpop(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key从list尾部删除一个value,并返回该元素</p>     * @param key     * @return     */    public static String rpop(String key){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.rpop(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key从一个list的尾部删除一个value并添加到另一个list的头部,并返回该value</p>     * <p>如果第一个list为空或者不存在则返回null</p>     * @param srckey     * @param dstkey     * @return     */    public static String rpoplpush(String srckey, String dstkey){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.rpoplpush(srckey, dstkey);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取list中指定下标位置的value</p>     * @param key     * @param index     * @return 如果没有返回null     */    public static String lindex(String key,long index){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.lindex(key, index);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回list的长度</p>     * @param key     * @return     */    public static Long llen(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.llen(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取list指定下标位置的value</p>     * <p>如果start 为 0 end 为 -1 则返回全部的list中的value</p>     * @param key      * @param start     * @param end     * @return     */    public static List<String> lrange(String key,long start,long end){        Jedis jedis = null;        List<String> res = null;        try {            jedis = pool.getResource();            res = jedis.lrange(key, start, end);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key向指定的set中添加value</p>     * @param key     * @param members 可以是一个String 也可以是一个String数组     * @return 添加成功的个数     */    public static Long sadd(String key,String...members){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.sadd(key, members);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key删除set中对应的value值</p>     * @param key     * @param members 可以是一个String 也可以是一个String数组     * @return 删除的个数     */    public static Long srem(String key,String...members){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.srem(key, members);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key随机删除一个set中的value并返回该值</p>     * @param key     * @return     */    public static String spop(String key){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.spop(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取set中的差集</p>     * <p>以第一个set为标准</p>     * @param keys 可以使一个string 则返回set中所有的value 也可以是string数组     * @return      */    public static Set<String> sdiff(String...keys){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.sdiff(keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取set中的差集并存入到另一个key中</p>     * <p>以第一个set为标准</p>     * @param dstkey 差集存入的key     * @param keys 可以使一个string 则返回set中所有的value 也可以是string数组     * @return      */    public static Long sdiffstore(String dstkey,String... keys){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.sdiffstore(dstkey, keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取指定set中的交集</p>     * @param keys 可以使一个string 也可以是一个string数组     * @return     */    public static Set<String> sinter(String...keys){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.sinter(keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取指定set中的交集 并将结果存入新的set中</p>     * @param dstkey     * @param keys 可以使一个string 也可以是一个string数组     * @return     */    public static Long sinterstore(String dstkey,String...keys){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.sinterstore(dstkey, keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回所有set的并集</p>     * @param keys 可以使一个string 也可以是一个string数组     * @return     */    public static Set<String> sunion(String... keys){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.sunion(keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回所有set的并集,并存入到新的set中</p>     * @param dstkey      * @param keys 可以使一个string 也可以是一个string数组     * @return     */    public static Long sunionstore(String dstkey,String...keys){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.sunionstore(dstkey, keys);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key将set中的value移除并添加到第二个set中</p>     * @param srckey 需要移除的     * @param dstkey 添加的     * @param member set中的value     * @return     */    public static Long smove(String srckey, String dstkey, String member){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.smove(srckey, dstkey, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取set中value的个数</p>     * @param key     * @return     */    public static Long scard(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.scard(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key判断value是否是set中的元素</p>     * @param key     * @param member     * @return     */    public static Boolean sismember(String key,String member){        Jedis jedis = null;        Boolean res = null;        try {            jedis = pool.getResource();            res = jedis.sismember(key, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取set中随机的value,不删除元素</p>     * @param key     * @return     */    public static String srandmember(String key){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.srandmember(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取set中所有的value</p>     * @param key     * @return     */    public static Set<String> smembers(String key){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.smembers(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key向zset中添加value,score,其中score就是用来排序的</p>     * <p>如果该value已经存在则根据score更新元素</p>     * @param key     * @param scoreMembers      * @return     */    public static Long zadd(String key,Map<String,Double> scoreMembers){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zadd(key, scoreMembers);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key向zset中添加value,score,其中score就是用来排序的</p>     * <p>如果该value已经存在则根据score更新元素</p>     * @param key     * @param score     * @param member     * @return     */    public static Long zadd(String key,double score,String member){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zadd(key, score, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key删除在zset中指定的value</p>     * @param key     * @param members 可以使一个string 也可以是一个string数组     * @return     */    public static Long zrem(String key,String...members){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zrem(key, members);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key增加该zset中value的score的值</p>     * @param key     * @param score      * @param member      * @return     */    public static Double zincrby(String key ,double score ,String member){        Jedis jedis = null;        Double res = null;        try {            jedis = pool.getResource();            res = jedis.zincrby(key, score, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回zset中value的排名</p>     * <p>下标从小到大排序</p>     * @param key     * @param member     * @return     */    public static Long zrank(String key,String member){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zrank(key, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回zset中value的排名</p>     * <p>下标从大到小排序</p>     * @param key     * @param member     * @return     */    public static Long zrevrank(String key,String member){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zrevrank(key, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key将获取score从start到end中zset的value</p>     * <p>socre从大到小排序</p>     * <p>当start为0 end为-1时返回全部</p>     * @param key     * @param start     * @param end     * @return     */    public static Set<String> zrevrange(String key ,long start ,long end){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.zrevrange(key, start, end);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回指定score内zset中的value</p>     * @param key      * @param max      * @param min      * @return     */    public static Set<String> zrangebyscore(String key,String max,String min){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.zrevrangeByScore(key, max, min);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回指定score内zset中的value</p>     * @param key      * @param max       * @param min      * @return     */    public static Set<String> zrangeByScore(String key ,double max,double min){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.zrevrangeByScore(key,max,min);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>返回指定区间内zset中value的数量</p>     * @param key     * @param min     * @param max     * @return     */    public static Long zcount(String key,String min,String max){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zcount(key, min, max);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key返回zset中的value个数</p>     * @param key     * @return     */    public static Long zcard(String key){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zcard(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key获取zset中value的score值</p>     * @param key     * @param member     * @return     */    public static Double zscore(String key,String member){        Jedis jedis = null;        Double res = null;        try {            jedis = pool.getResource();            res = jedis.zscore(key, member);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key删除给定区间内的元素</p>     * @param key      * @param start      * @param end     * @return     */    public static Long zremrangeByRank(String key ,long start, long end){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zremrangeByRank(key, start, end);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key删除指定score内的元素</p>     * @param key     * @param start     * @param end     * @return     */    public static Long zremrangeByScore(String key,double start,double end){        Jedis jedis = null;        Long res = null;        try {            jedis = pool.getResource();            res = jedis.zremrangeByScore(key, start, end);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>返回满足pattern表达式的所有key</p>     * <p>keys(*)</p>     * <p>返回所有的key</p>     * @param pattern     * @return     */    public static Set<String> keys(String pattern){        Jedis jedis = null;        Set<String> res = null;        try {            jedis = pool.getResource();            res = jedis.keys(pattern);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * <p>通过key判断值得类型</p>     * @param key     * @return     */    public static String type(String key){        Jedis jedis = null;        String res = null;        try {            jedis = pool.getResource();            res = jedis.type(key);        } catch (Exception e) {            pool.returnBrokenResource(jedis);            e.printStackTrace();        } finally {            returnResource(pool, jedis);        }        return res;    }    /**     * 测试     * @param args     */    public static void main(String[] args) {        RedisUtil.set("uu","lllleslef");        System.out.println(RedisUtil.get("uu"));    }}