redis 工具類 單個redis、JedisPool 及多個redis、shardedJedisPool與spring的集成配置

http://www.cnblogs.com/edisonfeng/p/3571870.html

http://javacrazyer.iteye.com/blog/1840161

http://www.verydemo.com/demo_c143_i1541.html

http://blog.csdn.net/a67474506/article/details/40660031?utm_source=tuicool&utm_medium=referral

 

java端在使用jedispool 連接redis的時候，在高並發的時候經常卡死，或報連接異常，JedisConnectionException，或者getResource 異常等各種問題

在使用jedispool 的時候一定要注意兩點

1。 在獲取 jedisPool和jedis的時候加上線程同步，保證不要創建過多的jedispool 和 jedis

2。 用完Jedis實例后需要返還給JedisPool

整理了一下redis工具類，通過大量測試和高並發測試的

package com.caspar.util;
 
import org.apache.log4j.Logger;
 
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
 
/**
 * Redis 工具類
 * @author caspar
 * http://blog.csdn.net/tuposky
 */
public class RedisUtil {
     
    protected static Logger logger = Logger.getLogger(RedisUtil.class);
     
    //Redis服務器IP
    private static String ADDR_ARRAY = FileUtil.getPropertyValue("/properties/redis.properties", "server");
     
    //Redis的端口號
    private static int PORT = FileUtil.getPropertyValueInt("/properties/redis.properties", "port");
     
    //訪問密碼
//    private static String AUTH = FileUtil.getPropertyValue("/properties/redis.properties", "auth");
     
    //可用連接實例的最大數目，默認值為8；
    //如果賦值為-1，則表示不限制；如果pool已經分配了maxActive個jedis實例，則此時pool的狀態為exhausted(耗盡)。
    private static int MAX_ACTIVE = FileUtil.getPropertyValueInt("/properties/redis.properties", "max_active");;
     
    //控制一個pool最多有多少個狀態為idle(空閑的)的jedis實例，默認值也是8。
    private static int MAX_IDLE = FileUtil.getPropertyValueInt("/properties/redis.properties", "max_idle");;
     
    //等待可用連接的最大時間，單位毫秒，默認值為-1，表示永不超時。如果超過等待時間，則直接拋出JedisConnectionException；
    private static int MAX_WAIT = FileUtil.getPropertyValueInt("/properties/redis.properties", "max_wait");;
 
    //超時時間
    private static int TIMEOUT = FileUtil.getPropertyValueInt("/properties/redis.properties", "timeout");;
     
    //在borrow一個jedis實例時，是否提前進行validate操作；如果為true，則得到的jedis實例均是可用的；
    private static boolean TEST_ON_BORROW = FileUtil.getPropertyValueBoolean("/properties/redis.properties", "test_on_borrow");;
     
    private static JedisPool jedisPool = null;
     
    /**
     * redis過期時間,以秒為單位
     */
    public final static int EXRP_HOUR = 60*60;          //一小時
    public final static int EXRP_DAY = 60*60*24;        //一天
    public final static int EXRP_MONTH = 60*60*24*30;   //一個月
     
    /**
     * 初始化Redis連接池
     */
    private static void initialPool(){
        try {
            JedisPoolConfig config = new JedisPoolConfig();
            config.setMaxTotal(MAX_ACTIVE);
            config.setMaxIdle(MAX_IDLE);
            config.setMaxWaitMillis(MAX_WAIT);
            config.setTestOnBorrow(TEST_ON_BORROW);
            jedisPool = new JedisPool(config, ADDR_ARRAY.split(",")[0], PORT, TIMEOUT);
        } catch (Exception e) {
            logger.error("First create JedisPool error : "+e);
            try{
                //如果第一個IP異常，則訪問第二個IP
                JedisPoolConfig config = new JedisPoolConfig();
                config.setMaxTotal(MAX_ACTIVE);
                config.setMaxIdle(MAX_IDLE);
                config.setMaxWaitMillis(MAX_WAIT);
                config.setTestOnBorrow(TEST_ON_BORROW);
                jedisPool = new JedisPool(config, ADDR_ARRAY.split(",")[1], PORT, TIMEOUT);
            }catch(Exception e2){
                logger.error("Second create JedisPool error : "+e2);
            }
        }
    }
     
     
    /**
     * 在多線程環境同步初始化
     */
    private static synchronized void poolInit() {
        if (jedisPool == null) {  
            initialPool();
        }
    }
 
     
    /**
     * 同步獲取Jedis實例
     * @return Jedis
     */
    public synchronized static Jedis getJedis() {  
        if (jedisPool == null) {  
            poolInit();
        }
        Jedis jedis = null;
        try {  
            if (jedisPool != null) {  
                jedis = jedisPool.getResource(); 
            }
        } catch (Exception e) {  
            logger.error("Get jedis error : "+e);
        }finally{
            returnResource(jedis);
        }
        return jedis;
    }  
     
     
    /**
     * 釋放jedis資源
     * @param jedis
     */
    public static void returnResource(final Jedis jedis) {
        if (jedis != null && jedisPool !=null) {
            jedisPool.returnResource(jedis);
        }
    }
     
     
    /**
     * 設置 String
     * @param key
     * @param value
     */
    public static void setString(String key ,String value){
        try {
            value = StringUtil.isEmpty(value) ? "" : value;
            getJedis().set(key,value);
        } catch (Exception e) {
            logger.error("Set key error : "+e);
        }
    }
     
    /**
     * 設置 過期時間
     * @param key
     * @param seconds 以秒為單位
     * @param value
     */
    public static void setString(String key ,int seconds,String value){
        try {
            value = StringUtil.isEmpty(value) ? "" : value;
            getJedis().setex(key, seconds, value);
        } catch (Exception e) {
            logger.error("Set keyex error : "+e);
        }
    }
     
    /**
     * 獲取String值
     * @param key
     * @return value
     */
    public static String getString(String key){
        if(getJedis() == null || !getJedis().exists(key)){
            return null;
        }
        return getJedis().get(key);
    }
     
}

　　

 

 

 

 

單個redis、JedisPool 

<!-- start redis配置 -->
	
	<!-- redis的連接池pool，不是必選項：timeout/password  -->
    <bean id = "jedisPool" class="redis.clients.jedis.JedisPool">
      <constructor-arg index="0" ref="jedisPoolConfig"/>
      <constructor-arg index="1" value="${redis.master.host}"/>
      <constructor-arg index="2" value="${redis.master.port}" type="int"/>
      <constructor-arg index="3" value="${redis.master.timeout}" type="int"/>
      <constructor-arg index="4" value="${redis.master.password}"/>
    </bean>
    
	<bean id="shardedJedisPool" class="redis.clients.jedis.ShardedJedisPool">
		<constructor-arg index="0" ref="jedisPoolConfig" />
		<constructor-arg index="1">
			<list>
				<bean name="master" class="redis.clients.jedis.JedisShardInfo">
					<constructor-arg index="0" value="${redis.master.host}" />
					<constructor-arg index="1" value="${redis.master.port}"
						type="int" />
					<property name="password" value="${redis.master.password}" />
				</bean>
				<bean name="slaver" class="redis.clients.jedis.JedisShardInfo">
					<constructor-arg index="0" value="${redis.slaver.host}" />
					<constructor-arg index="1" value="${redis.slaver.port}"
						type="int" />
					<property name="password" value="${redis.slaver.password}" />
				</bean>
			</list>
		</constructor-arg>
	</bean>
	<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
		<!-- 控制一個pool可分配多少個jedis實例 --> 
		<property name="maxTotal" value="2048" />
		<!-- 控制一個pool最多有多少個狀態為idle(空閑)的jedis實例 -->
		<property name="maxIdle" value="200" />
		
		<property name="numTestsPerEvictionRun" value="1024" />
		<property name="timeBetweenEvictionRunsMillis" value="30000" />
		<property name="minEvictableIdleTimeMillis" value="-1" />
		<property name="softMinEvictableIdleTimeMillis" value="10000" />
		
		 <!-- 表示當borrow一個jedis實例時，最大的等待時間，如果超過等待時間，則直接拋出JedisConnectionException -->  
		<property name="maxWaitMillis" value="1500" />
		<!-- 在borrow一個jedis實例時，是否提前進行validate操作；如果為true，則得到的jedis實例均是可用的 --> 
		<property name="testOnBorrow" value="true" />
		<property name="testWhileIdle" value="true" />
		<property name="testOnReturn" value="false" />
		<property name="jmxEnabled" value="true" />
		<property name="jmxNamePrefix" value="youyuan" />
		<property name="blockWhenExhausted" value="false" />
	</bean>
	<!-- end redis配置 -->

　　

 

Jedispool:

public class RedisService implements IRedisService {
    private Logger log = Logger.getLogger(RedisService.class);

    @Autowired
    JedisPool      jedisPool;


    /** 
     * <p>通過key獲取儲存在redis中的value</p> 
     * <p>並釋放連接</p> 
     * @param key 
     * @return 成功返回value 失敗返回null 
     */
    public String getStr(String key) {
        Jedis jedis = null;
        String value = null;
        try {
            jedis = jedisPool.getResource();
            value = jedis.get(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return value;
    }

    /** 
     * <p>向redis存入key和value,並釋放連接資源</p> 
     * <p>如果key已經存在 則覆蓋</p> 
     * @param key 
     * @param value 
     * @return 成功 返回OK 失敗返回 0 
     */
    public String set(String key, String value) {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.set(key, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return "0";
        } finally {
            returnResource(jedisPool, jedis);
        }
    }

    @Override
    public boolean setStr(String key, String value, int seconds, boolean override) {

        Jedis jedis = null;
        boolean ok = false;

        try {
            jedis = jedisPool.getResource();

            if (override == false && jedis.exists(key)) {
                ok = false;
            } else {
                if (seconds < 1) {
                    jedis.set(key, value);
                } else {
                    jedis.setex(key, seconds, value);
                }
                ok = true;
            }
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            ok = false;
        } finally {
            returnResource(jedisPool, jedis);
        }
        return ok;
    }

    @Override
    public boolean setObj(String key, Object value, int seconds, boolean override) {
        Jedis jedis = null;
        boolean ok = false;

        byte[] data = SerialUtil.encode(value);
        if (data == null) {
            log.info("setObj SerialUtil.encode error");
            return false;
        }

        try {
            jedis = jedisPool.getResource();
            if (override == false && jedis.exists(key)) {
                ok = false;
            } else {
                if (seconds < 1) {
                    jedis.set(key.getBytes(), data);
                } else {
                    jedis.setex(key.getBytes(), seconds, data);
                }
                ok = true;
            }
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            ok = false;
        } finally {
            returnResource(jedisPool, jedis);
        }
        return ok;
    }

    /* (非 Javadoc)
    * <p>Title: getObj</p>
    * <p>Description: </p>
    * @param key
    * @return
    * @see com.shangying.service.business.test#getObj(java.lang.String)
    */
    @Override
    public Object getObj(String key) {

        byte[] data = null;
        Jedis jedis = null;

        try {
            jedis = jedisPool.getResource();
            data = jedis.get(key.getBytes());
            if (data == null || data.length == 0) {
                log.debug("redis data is empty " + key);
            }
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        Object obj = null;
        if (data != null) {
            obj = SerialUtil.decode(data);
        }
        return obj;
    }

    /** 
     * <p>刪除指定的key,也可以傳入一個包含key的數組</p> 
     * @param keys 一個key  也可以使 string 數組 
     * @return 返回刪除成功的個數  
     */
    public Long del(String... keys) {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.del(keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return 0L;
        } finally {
            returnResource(jedisPool, jedis);
        }
    }

    /** 
     * <p>通過key向指定的value值追加值</p> 
     * @param key  
     * @param str  
     * @return 成功返回 添加后value的長度 失敗 返回 添加的 value 的長度  異常返回0L 
     */
    public Long append(String key, String str) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.append(key, str);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return 0L;
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>判斷key是否存在</p> 
     * @param key 
     * @return true OR false 
     */
    public Boolean exists(String key) {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.exists(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return false;
        } finally {
            returnResource(jedisPool, jedis);
        }
    }

    /** 
     * <p>設置key value,如果key已經存在則返回0,nx==> not exist</p> 
     * @param key 
     * @param value 
     * @return 成功返回1 如果存在 和 發生異常 返回 0 
     */
    public Long setnx(String key, String value) {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.setnx(key, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return 0L;
        } finally {
            returnResource(jedisPool, jedis);
        }
    }

    /** 
     * <p>設置key value並制定這個鍵值的有效期</p> 
     * @param key 
     * @param value 
     * @param seconds 單位:秒 
     * @return 成功返回OK 失敗和異常返回null 
     */
    public String setex(String key, String value, int seconds) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.setex(key, seconds, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key 和offset 從指定的位置開始將原先value替換</p> 
     * <p>下標從0開始,offset表示從offset下標開始替換</p> 
     * <p>如果替換的字符串長度過小則會這樣</p> 
     * <p>example:</p> 
     * <p>value : [e-mail]</p> 
     * <p>str : abc </p> 
     * <P>從下標7開始替換  則結果為</p> 
     * <p>RES : bigsea.abc.cn</p> 
     * @param key 
     * @param str 
     * @param offset 下標位置 
     * @return 返回替換后  value 的長度 
     */
    public Long setrange(String key, String str, int offset) {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.setrange(key, offset, str);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
            return 0L;
        } finally {
            returnResource(jedisPool, jedis);
        }
    }

    /** 
     * <p>通過批量的key獲取批量的value</p> 
     * @param keys string數組 也可以是一個key 
     * @return 成功返回value的集合, 失敗返回null的集合 ,異常返回空 
     */
    public List<String> mget(String... keys) {
        Jedis jedis = null;
        List<String> values = null;
        try {
            jedis = jedisPool.getResource();
            values = jedis.mget(keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return values;
    }

    /** 
     * <p>批量的設置key:value,可以一個</p> 
     * <p>example:</p> 
     * <p>  obj.mset(new String[]{"key2","value1","key2","value2"})</p> 
     * @param keysvalues 
     * @return 成功返回OK 失敗 異常 返回 null 
     *  
     */
    public String mset(String... keysvalues) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.mset(keysvalues);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>批量的設置key:value,可以一個,如果key已經存在則會失敗,操作會回滾</p> 
     * <p>example:</p> 
     * <p>  obj.msetnx(new String[]{"key2","value1","key2","value2"})</p> 
     * @param keysvalues  
     * @return 成功返回1 失敗返回0  
     */
    public Long msetnx(String... keysvalues) {
        Jedis jedis = null;
        Long res = 0L;
        try {
            jedis = jedisPool.getResource();
            res = jedis.msetnx(keysvalues);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>設置key的值,並返回一個舊值</p> 
     * @param key 
     * @param value 
     * @return 舊值 如果key不存在 則返回null 
     */
    public String getset(String key, String value) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.getSet(key, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過下標 和key 獲取指定下標位置的 value</p> 
     * @param key 
     * @param startOffset 開始位置 從0 開始 負數表示從右邊開始截取 
     * @param endOffset  
     * @return 如果沒有返回null  
     */
    public String getrange(String key, int startOffset, int endOffset) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.getrange(key, startOffset, endOffset);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key 對value進行加值+1操作,當value不是int類型時會返回錯誤,當key不存在是則value為1</p> 
     * @param key 
     * @return 加值后的結果 
     */
    public Long incr(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.incr(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key給指定的value加值,如果key不存在,則這是value為該值</p> 
     * @param key 
     * @param integer 
     * @return 
     */
    public Long incrBy(String key, Long integer) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.incrBy(key, integer);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>對key的值做減減操作,如果key不存在,則設置key為-1</p> 
     * @param key 
     * @return 
     */
    public Long decr(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.decr(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>減去指定的值</p> 
     * @param key 
     * @param integer 
     * @return 
     */
    public Long decrBy(String key, Long integer) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.decrBy(key, integer);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取value值的長度</p> 
     * @param key 
     * @return 失敗返回null  
     */
    public Long serlen(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.strlen(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key給field設置指定的值,如果key不存在,則先創建</p> 
     * @param key 
     * @param field 字段 
     * @param value 
     * @return 如果存在返回0 異常返回null 
     */
    public Long hset(String key, String field, String value) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hset(key, field, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key給field設置指定的值,如果key不存在則先創建,如果field已經存在,返回0</p> 
     * @param key 
     * @param field 
     * @param value 
     * @return 
     */
    public Long hsetnx(String key, String field, String value) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hsetnx(key, field, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key同時設置 hash的多個field</p> 
     * @param key 
     * @param hash 
     * @return 返回OK 異常返回null 
     */
    public String hmset(String key, Map<String, String> hash) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hmset(key, hash);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key 和 field 獲取指定的 value</p> 
     * @param key 
     * @param field 
     * @return 沒有返回null 
     */
    public String hget(String key, String field) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hget(key, field);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key 和 fields 獲取指定的value 如果沒有對應的value則返回null</p> 
     * @param key 
     * @param fields 可以使 一個String 也可以是 String數組 
     * @return  
     */
    public List<String> hmget(String key, String... fields) {
        Jedis jedis = null;
        List<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hmget(key, fields);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key給指定的field的value加上給定的值</p> 
     * @param key 
     * @param field 
     * @param value  
     * @return 
     */
    public Long hincrby(String key, String field, Long value) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hincrBy(key, field, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key和field判斷是否有指定的value存在</p> 
     * @param key 
     * @param field 
     * @return 
     */
    public Boolean hexists(String key, String field) {
        Jedis jedis = null;
        Boolean res = false;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hexists(key, field);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回field的數量</p> 
     * @param key 
     * @return 
     */
    public Long hlen(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hlen(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;

    }

    /** 
     * <p>通過key 刪除指定的 field </p> 
     * @param key 
     * @param fields 可以是 一個 field 也可以是 一個數組 
     * @return 
     */
    public Long hdel(String key, String... fields) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hdel(key, fields);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回所有的field</p> 
     * @param key 
     * @return 
     */
    public Set<String> hkeys(String key) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hkeys(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回所有和key有關的value</p> 
     * @param key 
     * @return 
     */
    public List<String> hvals(String key) {
        Jedis jedis = null;
        List<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hvals(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取所有的field和value</p> 
     * @param key 
     * @return 
     */
    public Map<String, String> hgetall(String key) {
        Jedis jedis = null;
        Map<String, String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.hgetAll(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key向list頭部添加字符串</p> 
     * @param key 
     * @param strs 可以使一個string 也可以使string數組 
     * @return 返回list的value個數 
     */
    public Long lpush(String key, String... strs) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lpush(key, strs);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key向list尾部添加字符串</p> 
     * @param key 
     * @param strs 可以使一個string 也可以使string數組 
     * @return 返回list的value個數 
     */
    public Long rpush(String key, String... strs) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.rpush(key, strs);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    //    /** 
    //     * <p>通過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枚舉類型 
    //     * @param pivot list里面的value 
    //     * @param value 添加的value 
    //     * @return 
    //     */
    //    public Long linsert(String key, LIST_POSITION where, String pivot, String value) {
    //        Jedis jedis = null;
    //        Long res = null;
    //        try {
    //            jedis = jedisPool.getResource();
    //            res = jedis.linsert(key, where, pivot, value);
    //        } catch (Exception e) {
    //            jedisPool.returnBrokenResource(jedis);
    //            e.printStackTrace();
    //        } finally {
    //            returnResource(jedisPool, jedis);
    //        }
    //        return res;
    //    }

    /** 
     * <p>通過key設置list指定下標位置的value</p> 
     * <p>如果下標超過list里面value的個數則報錯</p> 
     * @param key  
     * @param index 從0開始 
     * @param value 
     * @return 成功返回OK 
     */
    public String lset(String key, Long index, String value) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lset(key, index, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key從對應的list中刪除指定的count個 和 value相同的元素</p> 
     * @param key  
     * @param count 當count為0時刪除全部 
     * @param value  
     * @return 返回被刪除的個數 
     */
    public Long lrem(String key, long count, String value) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lrem(key, count, value);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key保留list中從strat下標開始到end下標結束的value值</p> 
     * @param key 
     * @param start 
     * @param end 
     * @return 成功返回OK 
     */
    public String ltrim(String key, long start, long end) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.ltrim(key, start, end);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key從list的頭部刪除一個value,並返回該value</p> 
     * @param key 
     * @return  
     */
    public String lpop(String key) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lpop(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key從list尾部刪除一個value,並返回該元素</p> 
     * @param key 
     * @return 
     */
    public String rpop(String key) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.rpop(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key從一個list的尾部刪除一個value並添加到另一個list的頭部,並返回該value</p> 
     * <p>如果第一個list為空或者不存在則返回null</p> 
     * @param srckey 
     * @param dstkey 
     * @return 
     */
    public String rpoplpush(String srckey, String dstkey) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.rpoplpush(srckey, dstkey);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取list中指定下標位置的value</p> 
     * @param key 
     * @param index 
     * @return 如果沒有返回null 
     */
    public String lindex(String key, long index) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lindex(key, index);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回list的長度</p> 
     * @param key 
     * @return 
     */
    public Long llen(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.llen(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取list指定下標位置的value</p> 
     * <p>如果start 為 0 end 為 -1 則返回全部的list中的value</p> 
     * @param key  
     * @param start 
     * @param end 
     * @return 
     */
    public List<String> lrange(String key, long start, long end) {
        Jedis jedis = null;
        List<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.lrange(key, start, end);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key向指定的set中添加value</p> 
     * @param key 
     * @param members 可以是一個String 也可以是一個String數組 
     * @return 添加成功的個數 
     */
    public Long sadd(String key, String... members) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sadd(key, members);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key刪除set中對應的value值</p> 
     * @param key 
     * @param members 可以是一個String 也可以是一個String數組 
     * @return 刪除的個數 
     */
    public Long srem(String key, String... members) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.srem(key, members);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key隨機刪除一個set中的value並返回該值</p> 
     * @param key 
     * @return 
     */
    public String spop(String key) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.spop(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取set中的差集</p> 
     * <p>以第一個set為標准</p> 
     * @param keys 可以使一個string 則返回set中所有的value 也可以是string數組 
     * @return  
     */
    public Set<String> sdiff(String... keys) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sdiff(keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取set中的差集並存入到另一個key中</p> 
     * <p>以第一個set為標准</p> 
     * @param dstkey 差集存入的key 
     * @param keys 可以使一個string 則返回set中所有的value 也可以是string數組 
     * @return  
     */
    public Long sdiffstore(String dstkey, String... keys) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sdiffstore(dstkey, keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取指定set中的交集</p> 
     * @param keys 可以使一個string 也可以是一個string數組 
     * @return 
     */
    public Set<String> sinter(String... keys) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sinter(keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取指定set中的交集 並將結果存入新的set中</p> 
     * @param dstkey 
     * @param keys 可以使一個string 也可以是一個string數組 
     * @return 
     */
    public Long sinterstore(String dstkey, String... keys) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sinterstore(dstkey, keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回所有set的並集</p> 
     * @param keys 可以使一個string 也可以是一個string數組 
     * @return 
     */
    public Set<String> sunion(String... keys) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sunion(keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回所有set的並集,並存入到新的set中</p> 
     * @param dstkey  
     * @param keys 可以使一個string 也可以是一個string數組 
     * @return 
     */
    public Long sunionstore(String dstkey, String... keys) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sunionstore(dstkey, keys);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key將set中的value移除並添加到第二個set中</p> 
     * @param srckey 需要移除的 
     * @param dstkey 添加的 
     * @param member set中的value 
     * @return 
     */
    public Long smove(String srckey, String dstkey, String member) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.smove(srckey, dstkey, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取set中value的個數</p> 
     * @param key 
     * @return 
     */
    public Long scard(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.scard(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key判斷value是否是set中的元素</p> 
     * @param key 
     * @param member 
     * @return 
     */
    public Boolean sismember(String key, String member) {
        Jedis jedis = null;
        Boolean res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.sismember(key, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取set中隨機的value,不刪除元素</p> 
     * @param key 
     * @return 
     */
    public String srandmember(String key) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.srandmember(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取set中所有的value</p> 
     * @param key 
     * @return 
     */
    public Set<String> smembers(String key) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.smembers(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key向zset中添加value,score,其中score就是用來排序的</p> 
     * <p>如果該value已經存在則根據score更新元素</p> 
     * @param key 
     * @param scoreMembers  
     * @return 
     */
    public Long zadd(String key, Map<String, Double> scoreMembers) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zadd(key, scoreMembers);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key向zset中添加value,score,其中score就是用來排序的</p> 
     * <p>如果該value已經存在則根據score更新元素</p> 
     * @param key 
     * @param score 
     * @param member 
     * @return 
     */
    public Long zadd(String key, double score, String member) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zadd(key, score, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key刪除在zset中指定的value</p> 
     * @param key 
     * @param members 可以使一個string 也可以是一個string數組 
     * @return 
     */
    public Long zrem(String key, String... members) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrem(key, members);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key增加該zset中value的score的值</p> 
     * @param key 
     * @param score  
     * @param member  
     * @return 
     */
    public Double zincrby(String key, double score, String member) {
        Jedis jedis = null;
        Double res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zincrby(key, score, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回zset中value的排名</p> 
     * <p>下標從小到大排序</p> 
     * @param key 
     * @param member 
     * @return 
     */
    public Long zrank(String key, String member) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrank(key, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回zset中value的排名</p> 
     * <p>下標從大到小排序</p> 
     * @param key 
     * @param member 
     * @return 
     */
    public Long zrevrank(String key, String member) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrevrank(key, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key將獲取score從start到end中zset的value</p> 
     * <p>socre從大到小排序</p> 
     * <p>當start為0 end為-1時返回全部</p> 
     * @param key 
     * @param start 
     * @param end 
     * @return 
     */
    public Set<String> zrevrange(String key, long start, long end) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrevrange(key, start, end);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回指定score內zset中的value</p> 
     * @param key  
     * @param max  
     * @param min  
     * @return 
     */
    public Set<String> zrangebyscore(String key, String max, String min) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrevrangeByScore(key, max, min);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回指定score內zset中的value</p> 
     * @param key  
     * @param max   
     * @param min  
     * @return 
     */
    public Set<String> zrangeByScore(String key, double max, double min) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zrevrangeByScore(key, max, min);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>返回指定區間內zset中value的數量</p> 
     * @param key 
     * @param min 
     * @param max 
     * @return 
     */
    public Long zcount(String key, String min, String max) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zcount(key, min, max);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key返回zset中的value個數</p> 
     * @param key 
     * @return 
     */
    public Long zcard(String key) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zcard(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key獲取zset中value的score值</p> 
     * @param key 
     * @param member 
     * @return 
     */
    public Double zscore(String key, String member) {
        Jedis jedis = null;
        Double res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zscore(key, member);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key刪除給定區間內的元素</p> 
     * @param key  
     * @param start  
     * @param end 
     * @return 
     */
    public Long zremrangeByRank(String key, long start, long end) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zremrangeByRank(key, start, end);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key刪除指定score內的元素</p> 
     * @param key 
     * @param start 
     * @param end 
     * @return 
     */
    public Long zremrangeByScore(String key, double start, double end) {
        Jedis jedis = null;
        Long res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.zremrangeByScore(key, start, end);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>返回滿足pattern表達式的所有key</p> 
     * <p>keys(*)</p> 
     * <p>返回所有的key</p> 
     * @param pattern 
     * @return 
     */
    public Set<String> keys(String pattern) {
        Jedis jedis = null;
        Set<String> res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.keys(pattern);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * <p>通過key判斷值得類型</p> 
     * @param key 
     * @return 
     */
    public String type(String key) {
        Jedis jedis = null;
        String res = null;
        try {
            jedis = jedisPool.getResource();
            res = jedis.type(key);
        } catch (Exception e) {
            jedisPool.returnBrokenResource(jedis);
            e.printStackTrace();
        } finally {
            returnResource(jedisPool, jedis);
        }
        return res;
    }

    /** 
     * 返還到連接池 
     *  
     * @param pool 
     * @param redis 
     */
    public static void returnResource(JedisPool pool, Jedis jedis) {
        if (jedis != null) {
            pool.returnResource(jedis);
        }
    }

　　shardedJedisPool:

 

public class ShardedRedisService
implements IRedisService
{
        private Logger           log = Logger.getLogger(ShardedRedisService.class);
    
        @Autowired
        private ShardedJedisPool shardedJedisPool;
    
       
    
        /* (非 Javadoc)
        * <p>Title: setStr</p>
        * <p>Description: </p>
        * @param key
        * @param value
        * @param seconds
        * @param override
        * @return
        * @see com.shangying.service.business.test#setStr(java.lang.String, java.lang.String, int, boolean)
        */
        @Override
        public boolean setStr(String key, String value, int seconds, boolean override) {
    
            ShardedJedis shardedJedis = null;
            boolean ok = false;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
    
                if (override == false && shardedJedis.exists(key)) {
                    ok = false;
                } else {
                    if (seconds < 1) {
                        shardedJedis.set(key, value);
                    } else {
                        shardedJedis.setex(key, seconds, value);
                    }
                    ok = true;
                }
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok;
        }
    
        /* (非 Javadoc)
        * <p>Title: getStr</p>
        * <p>Description: </p>
        * @param key
        * @return
        * @see com.shangying.service.business.test#getStr(java.lang.String)
        */
        @Override
        public String getStr(String key) {
    
            String value = null;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                value = shardedJedis.get(key);
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return value;
        }
    
        /* (非 Javadoc)
        * <p>Title: setObj</p>
        * <p>Description: </p>
        * @param key
        * @param value
        * @param seconds
        * @param override
        * @return
        * @see com.shangying.service.business.test#setObj(java.lang.String, java.lang.Object, int, boolean)
        */
        @Override
        public boolean setObj(String key, Object value, int seconds, boolean override) {
            ShardedJedis shardedJedis = null;
            boolean ok = false;
    
            byte[] data = SerialUtil.encode(value);
            if (data == null) {
                log.info("setObj SerialUtil.encode error");
                return false;
            }
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                if (override == false && shardedJedis.exists(key)) {
                    ok = false;
                } else {
                    if (seconds < 1) {
                        shardedJedis.set(key.getBytes(), data);
                    } else {
                        shardedJedis.setex(key.getBytes(), seconds, data);
                    }
                    ok = true;
                }
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok;
        }
    
        /* (非 Javadoc)
        * <p>Title: getObj</p>
        * <p>Description: </p>
        * @param key
        * @return
        * @see com.shangying.service.business.test#getObj(java.lang.String)
        */
        @Override
        public Object getObj(String key) {
    
            byte[] data = null;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                data = shardedJedis.get(key.getBytes());
                if (data == null || data.length == 0) {
                    log.debug("redis data is empty " + key);
                }
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            Object obj = null;
            if (data != null) {
                obj = SerialUtil.decode(data);
            }
            return obj;
        }
    
        /* (非 Javadoc)
        * <p>Title: del</p>
        * <p>Description: </p>
        * @param key
        * @return
        * @see com.shangying.service.business.test#del(java.lang.String)
        */
        @Override
        public boolean del(String key) {
    
            boolean ok = false;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                shardedJedis.del(key);
                ok = true;
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok;
        }
    
        /* (非 Javadoc)
        * <p>Title: exists</p>
        * <p>Description: </p>
        * @param key
        * @return
        * @see com.shangying.service.business.test#exists(java.lang.String)
        */
        @Override
        public boolean exists(String key) {
    
            boolean ok = false;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                ok = shardedJedis.exists(key);
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok;
        }
    
        /* (非 Javadoc)
        * <p>Title: expire</p>
        * <p>Description: </p>
        * @param key
        * @param seconds
        * @return
        * @see com.shangying.service.business.test#expire(java.lang.String, int)
        */
        @Override
        public boolean expire(String key, int seconds) {
    
            long ok = 0;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                ok = shardedJedis.expire(key, seconds);
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok == 1;
        }
    
        /* (非 Javadoc)
        * <p>Title: hmset</p>
        * <p>Description: </p>
        * @param key
        * @param values
        * @param timeout
        * @return
        * @see com.shangying.service.business.test#hmset(java.lang.String, java.util.Map, int)
        */
        @Override
        public boolean hmset(String key, Map<String, Object> values, int timeout) {
    
            String ok = "";
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
    
                final Map<byte[], byte[]> hash = new HashMap<byte[], byte[]>();
                values.forEach(new BiConsumer<String, Object>() {
                    @Override
                    public void accept(String key, Object value) {
                        byte[] data = SerialUtil.encode(value);
                        hash.put(key.getBytes(), data);
                    }
                });
                ok = shardedJedis.hmset(key.getBytes(), hash);
                shardedJedis.expire(key.getBytes(), timeout);
    
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok.equals("ok");
        }
    
        /* (非 Javadoc)
        * <p>Title: hset</p>
        * <p>Description: </p>
        * @param key
        * @param field
        * @param obj
        * @return
        * @see com.shangying.service.business.test#hset(java.lang.String, java.lang.String, java.lang.Object)
        */
        @Override
        public boolean hset(String key, String field, Object obj) {
    
            long ok = 0;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                byte[] data = SerialUtil.encode(obj);
                ok = shardedJedis.hset(key.getBytes(), field.getBytes(), data);
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return ok == 0 || ok == 1;
        }
    
        /* (非 Javadoc)
        * <p>Title: hget</p>
        * <p>Description: </p>
        * @param key
        * @param field
        * @return
        * @see com.shangying.service.business.test#hget(java.lang.String, java.lang.String)
        */
        @Override
        public Object hget(String key, String field) {
    
            byte[] bytes = null;
            Object obj = null;
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                bytes = shardedJedis.hget(key.getBytes(), field.getBytes());
                if (bytes != null) {
                    obj = SerialUtil.decode(bytes);
                }
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return obj;
        }
    
        /* (非 Javadoc)
        * <p>Title: hgetAll</p>
        * <p>Description: </p>
        * @param key
        * @return
        * @see com.shangying.service.business.test#hgetAll(java.lang.String)
        */
        @Override
        public Map<String, Object> hgetAll(String key) {
    
            Map<byte[], byte[]> values = null;
            final Map<String, Object> data = new HashMap<String, Object>();
            ShardedJedis shardedJedis = null;
    
            try {
                shardedJedis = shardedJedisPool.getResource();
                values = shardedJedis.hgetAll(key.getBytes());
                values.forEach(new BiConsumer<byte[], byte[]>() {
                    @Override
                    public void accept(byte[] key, byte[] val) {
                        data.put(new String(key), SerialUtil.decode(val));
                    }
                });
    
            } catch (Exception e) {
                log.info(e.getMessage());
                returnBrokenResource(shardedJedis);
            } finally {
                returnResource(shardedJedis);
            }
            return data;
        }
    
        private void returnBrokenResource(ShardedJedis shardedJedis) {
            try {
                shardedJedisPool.returnBrokenResource(shardedJedis);
            } catch (Exception e) {
                log.error("returnBrokenResource error.", e);
            }
        }
    
        private void returnResource(ShardedJedis shardedJedis) {
            try {
                shardedJedisPool.returnResource(shardedJedis);
            } catch (Exception e) {
                log.error("returnResource error.", e);
            }
        }
}