redis工具类

JedisUtil.java

package com.sll.iot.cache.redis;

import java.util.HashMap;
import java.util.Map;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class JedisUtil {
	
	//private static String serverIp = "172.31.252.130";
	private static String serverIp = "IP";
	private static int serverPort = 6379;
	private static int timeOut = 3000;
	private static int maxIdle = 40;
	
    private JedisUtil() {  
          
    }  
    private static Map<String,JedisPool> maps  = new HashMap<String,JedisPool>();  
      
      
    private static JedisPool getPool(String ip,int port) {  
        String key = ip+":" +port;  
        JedisPool pool = null;  
        if(!maps.containsKey(key)) {  
            JedisPoolConfig config = new JedisPoolConfig();  
            config.setMaxIdle(maxIdle);  
            config.setTestOnBorrow(true);  
            config.setTestOnReturn(true);  
            try{    
                //pool = new JedisPool(config, serverIp, serverPort,timeOut); //无密码连接
                pool=new JedisPool(config, serverIp, serverPort, timeOut, "密码", 0); //有密码链接
                maps.put(key, pool);  
            } catch(Exception e) {  
                e.printStackTrace();  
            }  
        }else{  
            pool = maps.get(key);  
        }  
        return pool;  
    }  
  
    private static class RedisUtilHolder{  
        private static JedisUtil instance = new JedisUtil();  
    }  
  
    public static JedisUtil getInstance() {  
        return RedisUtilHolder.instance;  
    }  
      
    /** 
     * 获取Redis实例. 
     * @return Redis工具类实例 
     */  
    public Jedis getJedis() {  
        Jedis jedis  = null;  
        int count =0;  
        do{  
            try{   
                jedis = getPool(serverIp,serverPort).getResource();  
            } catch (Exception e) { 
            	e.printStackTrace();
            	if(jedis != null) {  
            		jedis.close();
                }
            }  
            count++;  
        }while(jedis==null&&count < 3);  
        
        return jedis;  
    }  
  
    /** 
     * 释放redis实例到连接池. 
     * @param jedis redis实例 
     */  
    public void closeJedis(Jedis jedis) {  
        if(jedis != null) {  
        	jedis.close();
        }  
    }
}

RedisManager.java

 

package com.sll.iot.cache.redis;

import java.util.List;
import java.util.Map;
import java.util.Set;

import redis.clients.jedis.BinaryClient.LIST_POSITION;
import redis.clients.jedis.Jedis;

public class RedisManager {

	/**
	 * 
	 * 通过key 对value进行加值+1操作,当key不存在是则value为1
	 * 
	 * @param key
	 * @return 加值后的结果
	 */
	public static Long incr(String key) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = JedisUtil.getInstance().getJedis();
			res = jedis.incr(key);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			JedisUtil.getInstance().closeJedis(jedis);
		}
		return res;
	}

	/**
	 * 
	 * 增加指定的值,如果key不存在,则这是value为该值
	 * 
	 * @param key
	 * @param value
	 * @return
	 */
	public static Long incrBy(String key, Long value) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = JedisUtil.getInstance().getJedis();
			res = jedis.incrBy(key, value);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			JedisUtil.getInstance().closeJedis(jedis);
		}
		return res;
	}

	/**
	 * 
	 * 对key的值做减减操作,如果key不存在,则设置key为-1
	 * 
	 * @param key
	 * @return
	 */
	public static Long decr(String key) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = JedisUtil.getInstance().getJedis();
			res = jedis.decr(key);
		} catch (Exception e) {
			
			e.printStackTrace();
		} finally {
			JedisUtil.getInstance().closeJedis(jedis);
		}
		return res;
	}

	/**
	 * 
	 * 减去指定的值
	 * 
	 * @param key
	 * @param integer
	 * @return
	 */
	public static Long decrBy(String key, Long integer) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = JedisUtil.getInstance().getJedis();
			res = jedis.decrBy(key, integer);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			JedisUtil.getInstance().closeJedis(jedis);
		}
		return res;
	}
		

	//*********************    keys start***************************************
	public static class Keys{
		/**
		 * 判断key是否存在
		 * 
		 * @param key
		 * @return true or false
		 */
		public static Boolean exists(String key) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.exists(key);
			} catch (Exception e) {
				e.printStackTrace();
				return false;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
		public static Set<String> keys(String pattern){
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.keys(pattern);
			} catch (Exception e) {
				e.printStackTrace();
				return null;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
		/**
		 * 
		 * 通过key判断值得类型
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static String type(String key) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.type(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
		
		/**
		 * 删除指定的key,也可以传入一个包含key的数组
		 * 
		 * @param keys
		 * @return 返回删除成功的个数
		 */
		public static Long del(String... keys) {
			Jedis jedis = null;
			Long result = 0L;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.del(keys);
			} catch (Exception e) {
				return result;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}
		
		public static String flushAll() {
			Jedis jedis = null;
			String result = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.flushAll();
			} catch (Exception e) {
				return result;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}
		
		/**
         * 设置key的过期时间，以秒为单位
         *
         * @param key
         * @param seconds 单位:秒
         * @return 影响的记录
         * */
		public static Long expired(String key,int seconds) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.expire(key, seconds);
			} catch (Exception e) {
				e.printStackTrace();
				return 0L;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
		/**
         * 设置key的过期时间，以毫秒时间戳为准
         * (即绝对时间)
         * @param key
         * @param time 毫秒时间戳
         * @return 影响的记录
         * */
		public static Long expiredAt(String key,Long time) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.expireAt(key, time / 1000);
			} catch (Exception e) {
				e.printStackTrace();
				return 0L;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
		/**
		 * 查看过期剩余时间
		 * @param key
		 * @return
		 */
		public static Long ttl(String key) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.ttl(key);
			} catch (Exception e) {
				e.printStackTrace();
				return -2L;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
	}
	
	//*********************    keys end ***************************************
	
	//*********************    Strings start ***************************************
	public static class Strings{
		public static String get(String key) {
			Jedis jedis = null;
			String value = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				value = jedis.get(key);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return value;
		}

		public static String set(String key, String value) {
			Jedis jedis = null;
			String result = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.set(key, value);
			} catch (Exception e) {
				return result;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}

		/**
		 * 设置key value并制定这个键值的有效期
		 * 
		 * @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 set(String key, String value, int seconds) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.setex(key, seconds, value);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 设置key value,如果key已经存在则返回0,nx== not exist
		 * 
		 * @param key
		 * @param value
		 * @return 成功返回1 如果存在返回 0 ,发生异常返回-1
		 */
		public static Long setnx(String key, String value) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.setnx(key, value);
			} catch (Exception e) {
				e.printStackTrace();
				return -1L;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}
		
		/**
		 * 
		 * 通过key 和offset 从指定的位置开始将原先value替换
		 * 
		 * 下标从0开始,offset表示从offset下标开始替换
		 * 
		 * 如果替换的字符串长度过小则会这样
		 * 
		 * example:
		 * 
		 * value : bigsea@zto.cn
		 * 
		 * str : abc
		 * 
		 * 从下标7开始替换 则结果为
		 * 
		 * RES : bigsea.abc.cn
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				return jedis.setrange(key, offset, str);
			} catch (Exception e) {
				
				e.printStackTrace();
				return 0L;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
		}

		/**
		 * 
		 * 设置key的值,并返回一个旧值
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.getSet(key, value);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过下标 和key 获取指定下标位置的 value
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.getrange(key, startOffset, endOffset);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
		
		/**
		 * 通过key对value值追加值
		 * 
		 * @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 result = 0L;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.append(key, str);
			} catch (Exception e) {
				e.printStackTrace();
				return result;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}
	}
	//*********************    Strings end *****************************************
	
	
	
	//*********************    Lists start ***************************************
	public static class Lists{
		/**
		 * 
		 * 通过key向list头部添加字符串
		 * 
		 * 
		 * @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 lpush(String key, String... strs) {
			Jedis jedis = null;
			Long res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.lpush(key, strs);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key向list尾部添加字符串
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.rpush(key, strs);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key在list指定的位置之前或者之后 添加字符串元素
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.linsert(key, where, pivot, value);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key设置list指定下标位置的value
		 * 
		 * 
		 * 如果下标超过list里面value的个数则报错
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.lset(key, index, value);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key从对应的list中删除指定的count个 和 value相同的元素
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.lrem(key, count, value);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key保留list中从strat下标开始到end下标结束的value值
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.ltrim(key, start, end);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key从list的头部删除一个value,并返回该value
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static String lpop(String key) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.lpop(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key从list尾部删除一个value,并返回该元素
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static String rpop(String key) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.rpop(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 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
		 * 
		 * 
		 * 如果第一个list为空或者不存在则返回null
		 * 
		 * 
		 * @param srckey
		 * @param dstkey
		 * @return
		 */
		public static String rpoplpush(String srckey, String dstkey) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.rpoplpush(srckey, dstkey);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取list中指定下标位置的value
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.lindex(key, index);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回list的长度
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Long llen(String key) {
			Jedis jedis = null;
			Long res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.llen(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取list指定下标位置的value
		 * 
		 * 
		 * 如果start 为 0 end 为 -1 则返回全部的list中的value
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.lrange(key, start, end);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
	}
	//*********************    Lists end *****************************************
	
	
	
	//*********************    Hashs start ***************************************
	public static class Hashs{
		/**
		 * 
		 * 通过key给field设置指定的值,如果key不存在,则先创建
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hset(key, field, value);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 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
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hsetnx(key, field, value);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key同时设置 hash的多个field
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hmset(key, hash);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key 和 field 获取指定的 value
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hget(key, field);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key 和 fields 获取指定的value 如果没有对应的value则返回null
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hmget(key, fields);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key给指定的field的value加上给定的值
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hincrBy(key, field, value);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key和field判断是否存在
		 * 
		 * @param key
		 * @param field
		 * @return
		 */
		public static Boolean hexists(String key, String field) {
			Jedis jedis = null;
			Boolean res = false;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.hexists(key, field);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回field的数量
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Long hlen(String key) {
			Jedis jedis = null;
			Long res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.hlen(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;

		}

		/**
		 * 
		 * 通过key 删除指定的 field
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.hdel(key, fields);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回所有的field
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Set<String> hkeys(String key) {
			Jedis jedis = null;
			Set<String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.hkeys(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回所有和key有关的value
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static List<String> hvals(String key) {
			Jedis jedis = null;
			List<String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.hvals(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取所有的field和value
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Map<String, String> hgetall(String key) {
			Jedis jedis = null;
			Map<String, String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.hgetAll(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
	}
	//*********************    Hashs end *****************************************
	
	//*********************    Beans start ***************************************
	public static class Beans{
		public static Object get(String key) {
			Jedis jedis = null;
			Object obj = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				byte[] bytes = jedis.get(key.getBytes());
				if(bytes != null){
					return SerializationUtil.deserialize(bytes);
				}
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return obj;
		}

		public static String set(String key, Object obj) {
			Jedis jedis = null;
			String result = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.set(key.getBytes(), SerializationUtil.serialize(obj));
			} catch (Exception e) {
				return result;
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}

		/**
		 * 设置key value并制定这个键值的有效期
		 * 
		 * @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 set(String key, Object obj, int seconds) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.setex(key.getBytes(), seconds, SerializationUtil.serialize(obj));
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
	}
	//*********************    Beans end *****************************************
	
	//*********************    Sets start ***************************************
	public static class Sets{
		/**
		 * 
		 * 通过key向指定的set中添加value
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sadd(key, members);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key删除set中对应的value值
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.srem(key, members);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key随机删除一个set中的value并返回该值
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static String spop(String key) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.spop(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取set中的差集
		 * 
		 * 
		 * 以第一个set为标准
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sdiff(keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取set中的差集并存入到另一个key中
		 * 
		 * 
		 * 以第一个set为标准
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sdiffstore(dstkey, keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取指定set中的交集
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sinter(keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取指定set中的交集 并将结果存入新的set中
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sinterstore(dstkey, keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回所有set的并集
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sunion(keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key返回所有set的并集,并存入到新的set中
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.sunionstore(dstkey, keys);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key将set中的value移除并添加到第二个set中
		 * 
		 * 
		 * @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 = JedisUtil.getInstance().getJedis();
				res = jedis.smove(srckey, dstkey, member);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取set中value的个数
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Long scard(String key) {
			Jedis jedis = null;
			Long res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.scard(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key判断value是否是set中的元素
		 * 
		 * 
		 * @param key
		 * @param member
		 * @return
		 */
		public static Boolean sismember(String key, String member) {
			Jedis jedis = null;
			Boolean res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.sismember(key, member);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取set中随机的value,不删除元素
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static String srandmember(String key) {
			Jedis jedis = null;
			String res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.srandmember(key);
			} catch (Exception e) {
				
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 
		 * 通过key获取set中所有的value
		 * 
		 * 
		 * @param key
		 * @return
		 */
		public static Set<String> smembers(String key) {
			Jedis jedis = null;
			Set<String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.smembers(key);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}
	}
	//*********************    Sets end *****************************************
	
	
	public static class SortSet {

		/**
		 * 向集合中增加一条记录,如果这个值已存在，这个值对应的权重将被置为新的权重
		 * 
		 * @param String key
		 * @param double score 权重
		 * @param String member 要加入的值，
		 * @return 状态码 1成功，0已存在member的值
		 * */
		public static Long zadd(String key, double score, String member) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.zadd(key, score, member);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1l;
		}
		
		/**
		 * 返回指定权重区间的元素集合
		 * 
		 * @param String
		 *            key
		 * @param double min 上限权重
		 * @param double max 下限权重
		 * @return Set<String>
		 * */
		public static Set<String> zrangeByScore(String key, double min, double max) {
			Jedis jedis = null;
			Set<String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.zrangeByScore(key, min, max);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 获取指定值在集合中的位置，集合排序从低到高
		 * 
		 * @see zrevrank
		 * @param String
		 *            key
		 * @param String
		 *            member
		 * @return long 位置
		 * */
		public static Long zrank(String key, String member) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.zrank(key, member);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1l;
		}

		/**
		 * 获取指定值在集合中的位置，集合排序从高到低
		 * 
		 * @see zrank
		 * @param String key
		 * @param String member
		 * @return long 位置
		 * */
		public static Long zrevrank(String key, String member) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.zrevrank(key, member);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1l;
		}
		
		/**
		 * 获取给定key中元素个数
		 * 
		 * @param String
		 *            key
		 * @return 元素个数
		 * */
		public static Long zcard(String key) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.zcard(key);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1l;
		}

		/**
		 * 删除
		 * 
		 * @param key
		 * @return
		 */
		public static Long zrem(String key) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.del(key);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1l;
		}
		
		/**
		 * 从集合中删除成员
		 * 
		 * @param String key
		 * @param String member 
		 * @return 返回1成功
		 * */
		public static Long zrem(String key, String member) {
			Jedis jedis = null;
			Long result = -1L;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				result = jedis.zrem(key, member);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return result;
		}

		/**
		 * 获取给定区间的元素，原始按照权重由高到低排序
		 * 
		 * @param String  key
		 * @param int start
		 * @param int end
		 * @return Set<String>
		 * */
		public static Set<String> zrevrange(String key, int start, int end) {
			Jedis jedis = null;
			Set<String> res = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				res = jedis.zrevrange(key, start, end);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return res;
		}

		/**
		 * 获取给定值在集合中的权重
		 * @param String  key
		 * @param memeber
		 * @return double 权重
		 * */
		public static Double zscore(String key, String memebr) {
			Jedis jedis = null;
			try {
				jedis = JedisUtil.getInstance().getJedis();
				return jedis.zscore(key, memebr);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				JedisUtil.getInstance().closeJedis(jedis);
			}
			return -1d;
		}
	}
	
}

SerializationUtil.java

package com.sll.iot.cache.redis;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class SerializationUtil {
	 /**
     * 序列化
     * 
     * @param object
     * @return
     */
    public static byte[] serialize(Object object) {
        ObjectOutputStream oos = null;
        ByteArrayOutputStream baos = null;
        try {
            baos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(baos);
            oos.writeObject(object);
            byte[] bytes = baos.toByteArray();
            return bytes;
        } catch (Exception e) {
        }
        return null;
    }

    /**
     * 反序列化
     * 
     * @param bytes
     * @return
     */
    public static Object deserialize(byte[] bytes) {
        ByteArrayInputStream bais = null;
        try {
            bais = new ByteArrayInputStream(bytes);
            ObjectInputStream ois = new ObjectInputStream(bais);
            return ois.readObject();
        } catch (Exception e) {

        }
        return null;
    }
}

测试:

package com.sll.iot.cache.redis;

public class tt {
	public static void main(String[] args) {
		RedisManager.Strings.set("pn1", "789789");
	}
}

结果：