private static final String ipAddr = "10.10.195.112";private static final int port = 6379;private static Jedis jedis= null;@BeforeClass  public static void init()  {	jedis = JedisUtil.getInstance().getJedis(ipAddr, port);}@AfterClass  public static void close()  {	JedisUtil.getInstance().closeJedis(jedis,ipAddr, port);}

import org.apache.log4j.Logger;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 Logger logger = Logger.getLogger(this.getClass().getName());	private JedisUtil(){	}	private static class RedisUtilHolder{		private static final JedisUtil instance = new JedisUtil();	}	public static JedisUtil getInstance(){		return RedisUtilHolder.instance;	}	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.setMaxActive(RedisConfig.MAX_ACTIVE);			config.setMaxIdle(RedisConfig.MAX_IDLE);			config.setMaxWait(RedisConfig.MAX_WAIT);			config.setTestOnBorrow(true);			config.setTestOnReturn(true);			pool = new JedisPool(config,ip,port,RedisConfig.TIMEOUT);			maps.put(key, pool);		} else		    {			pool = maps.get(key);		}		return pool;	}	public Jedis getJedis(String ip, int port)	  {		Jedis jedis = null;		int count = 0;		do		    {			try			      {				jedis = getPool(ip,port).getResource();			}			catch (Exception e)			      {				logger.error("get redis master1 failed!",e);				getPool(ip,port).returnBrokenResource(jedis);			}		}		while(jedis == null && count<RedisConfig.RETRY_NUM);		return jedis;	}	public void closeJedis(Jedis jedis, String ip, int port){		if(jedis != null)		    {			getPool(ip,port).returnResource(jedis);		}	}}public class RedisConfig{	//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)。	public static int MAX_ACTIVE = 1024;	//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。	public static int MAX_IDLE = 200;	//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；	public static int MAX_WAIT = 10000;	public static int TIMEOUT = 10000;	public static int RETRY_NUM = 5;}

@Test public void testKey() throws InterruptedException  {    System.out.println("清空數據："+jedis.flushDB());    System.out.println("判斷某個鍵是否存在："+jedis.exists("username"));    System.out.println("新增<'username','zzh'>的鍵值對："+jedis.set("username", "zzh"));    System.out.println(jedis.exists("name"));    System.out.println("新增<'password','password'>的鍵值對："+jedis.set("password", "password"));    System.out.print("系統中所有的鍵如下：");    Set<String> keys = jedis.keys("*");    System.out.println(keys);    System.out.println("刪除鍵password:"+jedis.del("password"));    System.out.println("判斷鍵password是否存在："+jedis.exists("password"));    System.out.println("設置鍵username的過期時間為5s:"+jedis.expire("username", 5));    TimeUnit.SECONDS.sleep(2);    System.out.println("查看鍵username的剩余生存時間："+jedis.ttl("username"));    System.out.println("移除鍵username的生存時間："+jedis.persist("username"));    System.out.println("查看鍵username的剩余生存時間："+jedis.ttl("username"));    System.out.println("查看鍵username所存儲的值的類型："+jedis.type("username"));  }

清空數據：OK判斷某個鍵是否存在：false新增<'username','zzh'>的鍵值對：OKfalse新增<'password','password'>的鍵值對：OK系統中所有的鍵如下：[username, password]刪除鍵password:1判斷鍵password是否存在：false設置鍵username的過期時間為5s:1查看鍵username的剩余生存時間：3移除鍵username的生存時間：1查看鍵username的剩余生存時間：-1查看鍵username所存儲的值的類型：string

@Test public void testString() throws InterruptedException {	jedis.flushDB();	System.out.println("===========增加數據===========");	System.out.println(jedis.set("key1","value1"));	System.out.println(jedis.set("key2","value2"));	System.out.println(jedis.set("key3", "value3"));	System.out.println("刪除鍵key2:"+jedis.del("key2"));	System.out.println("獲取鍵key2:"+jedis.get("key2"));	System.out.println("修改key1:"+jedis.set("key1", "value1Changed"));	System.out.println("獲取key1的值："+jedis.get("key1"));	System.out.println("在key3后面加入值："+jedis.append("key3", "End"));	System.out.println("key3的值："+jedis.get("key3"));	System.out.println("增加多個鍵值對："+jedis.mset("key01","value01","key02","value02","key03","value03"));	System.out.println("獲取多個鍵值對："+jedis.mget("key01","key02","key03"));	System.out.println("獲取多個鍵值對："+jedis.mget("key01","key02","key03","key04"));	System.out.println("刪除多個鍵值對："+jedis.del(new String[]{		"key01","key02"	}	));	System.out.println("獲取多個鍵值對："+jedis.mget("key01","key02","key03"));	jedis.flushDB();	System.out.println("===========新增鍵值對防止覆蓋原先值==============");	System.out.println(jedis.setnx("key1", "value1"));	System.out.println(jedis.setnx("key2", "value2"));	System.out.println(jedis.setnx("key2", "value2-new"));	System.out.println(jedis.get("key1"));	System.out.println(jedis.get("key2"));	System.out.println("===========新增鍵值對并設置有效時間=============");	System.out.println(jedis.setex("key3", 2, "value3"));	System.out.println(jedis.get("key3"));	TimeUnit.SECONDS.sleep(3);	System.out.println(jedis.get("key3"));	System.out.println("===========獲取原值，更新為新值==========");	//GETSET is an atomic set this value and return the old value command.	System.out.println(jedis.getSet("key2", "key2GetSet"));	System.out.println(jedis.get("key2"));	System.out.println("獲得key2的值的字串："+jedis.getrange("key2", 2, 4));}

===========增加數據===========OKOKOK刪除鍵key2:1獲取鍵key2:null修改key1:OK獲取key1的值：value1Changed在key3后面加入值：9key3的值：value3End增加多個鍵值對：OK獲取多個鍵值對：[value01, value02, value03]獲取多個鍵值對：[value01, value02, value03, null]刪除多個鍵值對：2獲取多個鍵值對：[null, null, value03]===========新增鍵值對防止覆蓋原先值==============110value1value2===========新增鍵值對并設置有效時間=============OKvalue3null===========獲取原值，更新為新值==========value2key2GetSet獲得key2的值的字串：y2G

@Test public void testNumber()  {    jedis.flushDB();    jedis.set("key1", "1");    jedis.set("key2", "2");    jedis.set("key3", "2.3");    System.out.println("key1的值："+jedis.get("key1"));    System.out.println("key2的值："+jedis.get("key2"));    System.out.println("key1的值加1："+jedis.incr("key1"));    System.out.println("獲取key1的值："+jedis.get("key1"));    System.out.println("key2的值減1："+jedis.decr("key2"));    System.out.println("獲取key2的值："+jedis.get("key2"));    System.out.println("將key1的值加上整數5："+jedis.incrBy("key1", 5));    System.out.println("獲取key1的值："+jedis.get("key1"));    System.out.println("將key2的值減去整數5："+jedis.decrBy("key2", 5));    System.out.println("獲取key2的值："+jedis.get("key2"));  }

key1的值：1key2的值：2key1的值加1：2獲取key1的值：2key2的值減1：1獲取key2的值：1將key1的值加上整數5：7獲取key1的值：7將key2的值減去整數5：-4獲取key2的值：-4

@Test public void testList(){  jedis.flushDB();  System.out.println("===========添加一個list===========");  jedis.lpush("collections", "ArrayList", "Vector", "Stack", "HashMap", "WeakHashMap", "LinkedHashMap");  jedis.lpush("collections", "HashSet");  jedis.lpush("collections", "TreeSet");  jedis.lpush("collections", "TreeMap");  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));//-1代表倒數第一個元素，-2代表倒數第二個元素  System.out.println("collections區間0-3的元素："+jedis.lrange("collections",0,3));  System.out.println("===============================");  // 刪除列表指定的值 ，第二個參數為刪除的個數（有重復時），后add進去的值先被刪，類似于出棧  System.out.println("刪除指定元素個數："+jedis.lrem("collections", 2, "HashMap"));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("刪除下表0-3區間之外的元素："+jedis.ltrim("collections", 0, 3));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("collections列表出棧（左端）："+jedis.lpop("collections"));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("collections添加元素，從列表右端，與lpush相對應："+jedis.rpush("collections", "EnumMap"));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("collections列表出棧（右端）："+jedis.rpop("collections"));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("修改collections指定下標1的內容："+jedis.lset("collections", 1, "LinkedArrayList"));  System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));  System.out.println("===============================");  System.out.println("collections的長度："+jedis.llen("collections"));  System.out.println("獲取collections下標為2的元素："+jedis.lindex("collections", 2));  System.out.println("===============================");  jedis.lpush("sortedList", "3","6","2","0","7","4");  System.out.println("sortedList排序前："+jedis.lrange("sortedList", 0, -1));  System.out.println(jedis.sort("sortedList"));  System.out.println("sortedList排序后："+jedis.lrange("sortedList", 0, -1));}

===========添加一個list===========collections的內容：[TreeMap, TreeSet, HashSet, LinkedHashMap, WeakHashMap, HashMap, Stack, Vector, ArrayList]collections區間0-3的元素：[TreeMap, TreeSet, HashSet, LinkedHashMap]===============================刪除指定元素個數：1collections的內容：[TreeMap, TreeSet, HashSet, LinkedHashMap, WeakHashMap, Stack, Vector, ArrayList]刪除下表0-3區間之外的元素：OKcollections的內容：[TreeMap, TreeSet, HashSet, LinkedHashMap]collections列表出棧（左端）：TreeMapcollections的內容：[TreeSet, HashSet, LinkedHashMap]collections添加元素，從列表右端，與lpush相對應：4collections的內容：[TreeSet, HashSet, LinkedHashMap, EnumMap]collections列表出棧（右端）：EnumMapcollections的內容：[TreeSet, HashSet, LinkedHashMap]修改collections指定下標1的內容：OKcollections的內容：[TreeSet, LinkedArrayList, LinkedHashMap]===============================collections的長度：3獲取collections下標為2的元素：LinkedHashMap===============================sortedList排序前：[4, 7, 0, 2, 6, 3][0, 2, 3, 4, 6, 7]sortedList排序后：[4, 7, 0, 2, 6, 3]

@Test public void testSet() {   jedis.flushDB();   System.out.println("============向集合中添加元素============");   System.out.println(jedis.sadd("eleSet", "e1","e2","e4","e3","e0","e8","e7","e5"));   System.out.println(jedis.sadd("eleSet", "e6"));   System.out.println(jedis.sadd("eleSet", "e6"));   System.out.println("eleSet的所有元素為："+jedis.smembers("eleSet"));   System.out.println("刪除一個元素e0："+jedis.srem("eleSet", "e0"));   System.out.println("eleSet的所有元素為："+jedis.smembers("eleSet"));   System.out.println("刪除兩個元素e7和e6："+jedis.srem("eleSet", "e7","e6"));   System.out.println("eleSet的所有元素為："+jedis.smembers("eleSet"));   System.out.println("隨機的移除集合中的一個元素："+jedis.spop("eleSet"));   System.out.println("隨機的移除集合中的一個元素："+jedis.spop("eleSet"));   System.out.println("eleSet的所有元素為："+jedis.smembers("eleSet"));   System.out.println("eleSet中包含元素的個數："+jedis.scard("eleSet"));   System.out.println("e3是否在eleSet中："+jedis.sismember("eleSet", "e3"));   System.out.println("e1是否在eleSet中："+jedis.sismember("eleSet", "e1"));   System.out.println("e1是否在eleSet中："+jedis.sismember("eleSet", "e5"));   System.out.println("=================================");   System.out.println(jedis.sadd("eleSet1", "e1","e2","e4","e3","e0","e8","e7","e5"));   System.out.println(jedis.sadd("eleSet2", "e1","e2","e4","e3","e0","e8"));   System.out.println("將eleSet1中刪除e1并存入eleSet3中："+jedis.smove("eleSet1", "eleSet3", "e1"));   System.out.println("將eleSet1中刪除e2并存入eleSet3中："+jedis.smove("eleSet1", "eleSet3", "e2"));   System.out.println("eleSet1中的元素："+jedis.smembers("eleSet1"));   System.out.println("eleSet3中的元素："+jedis.smembers("eleSet3"));   System.out.println("============集合運算=================");   System.out.println("eleSet1中的元素："+jedis.smembers("eleSet1"));   System.out.println("eleSet2中的元素："+jedis.smembers("eleSet2"));   System.out.println("eleSet1和eleSet2的交集:"+jedis.sinter("eleSet1","eleSet2"));   System.out.println("eleSet1和eleSet2的并集:"+jedis.sunion("eleSet1","eleSet2"));   System.out.println("eleSet1和eleSet2的差集:"+jedis.sdiff("eleSet1","eleSet2"));//eleSet1中有，eleSet2中沒有 }

============向集合中添加元素============810eleSet的所有元素為：[e3, e4, e1, e2, e0, e8, e7, e6, e5]刪除一個元素e0：1eleSet的所有元素為：[e3, e4, e1, e2, e8, e7, e6, e5]刪除兩個元素e7和e6：2eleSet的所有元素為：[e3, e4, e1, e2, e8, e5]隨機的移除集合中的一個元素：e5隨機的移除集合中的一個元素：e2eleSet的所有元素為：[e3, e4, e1, e8]eleSet中包含元素的個數：4e3是否在eleSet中：truee1是否在eleSet中：truee1是否在eleSet中：false=================================86將eleSet1中刪除e1并存入eleSet3中：1將eleSet1中刪除e2并存入eleSet3中：1eleSet1中的元素：[e3, e4, e0, e8, e7, e5]eleSet3中的元素：[e1, e2]============集合運算=================eleSet1中的元素：[e3, e4, e0, e8, e7, e5]eleSet2中的元素：[e3, e4, e1, e2, e0, e8]eleSet1和eleSet2的交集:[e3, e4, e0, e8]eleSet1和eleSet2的并集:[e3, e4, e1, e2, e0, e8, e7, e5]eleSet1和eleSet2的差集:[e7, e5]

@Test public void testHash()  {    jedis.flushDB();    Map<String,String> map = new HashMap<>();    map.put("key1","value1");    map.put("key2","value2");    map.put("key3","value3");    map.put("key4","value4");    jedis.hmset("hash",map);    jedis.hset("hash", "key5", "value5");    System.out.println("散列hash的所有鍵值對為："+jedis.hgetAll("hash"));//return Map<String,String>    System.out.println("散列hash的所有鍵為："+jedis.hkeys("hash"));//return Set<String>    System.out.println("散列hash的所有值為："+jedis.hvals("hash"));//return List<String>    System.out.println("將key6保存的值加上一個整數，如果key6不存在則添加key6："+jedis.hincrBy("hash", "key6", 6));    System.out.println("散列hash的所有鍵值對為："+jedis.hgetAll("hash"));    System.out.println("將key6保存的值加上一個整數，如果key6不存在則添加key6："+jedis.hincrBy("hash", "key6", 3));    System.out.println("散列hash的所有鍵值對為："+jedis.hgetAll("hash"));    System.out.println("刪除一個或者多個鍵值對："+jedis.hdel("hash", "key2"));    System.out.println("散列hash的所有鍵值對為："+jedis.hgetAll("hash"));    System.out.println("散列hash中鍵值對的個數："+jedis.hlen("hash"));    System.out.println("判斷hash中是否存在key2："+jedis.hexists("hash","key2"));    System.out.println("判斷hash中是否存在key3："+jedis.hexists("hash","key3"));    System.out.println("獲取hash中的值："+jedis.hmget("hash","key3"));    System.out.println("獲取hash中的值："+jedis.hmget("hash","key3","key4"));  }

散列hash的所有鍵值對為：{key4=value4, key3=value3, key5=value5, key2=value2, key1=value1}散列hash的所有鍵為：[key4, key3, key5, key2, key1]散列hash的所有值為：[value4, value3, value1, value2, value5]將key6保存的值加上一個整數，如果key6不存在則添加key6：6散列hash的所有鍵值對為：{key4=value4, key3=value3, key6=6, key5=value5, key2=value2, key1=value1}將key6保存的值加上一個整數，如果key6不存在則添加key6：9散列hash的所有鍵值對為：{key4=value4, key3=value3, key6=9, key5=value5, key2=value2, key1=value1}刪除一個或者多個鍵值對：1散列hash的所有鍵值對為：{key4=value4, key3=value3, key6=9, key5=value5, key1=value1}散列hash中鍵值對的個數：5判斷hash中是否存在key2：false判斷hash中是否存在key3：true獲取hash中的值：[value3]獲取hash中的值：[value3, value4]

@Test public void testSortedSet()  {    jedis.flushDB();    Map<Double,String> map = new HashMap<>();    map.put(1.2,"key2");    map.put(4.0, "key3");    map.put(5.0,"key4");    map.put(0.2,"key5");    System.out.println(jedis.zadd("zset", 3,"key1"));    System.out.println(jedis.zadd("zset",map));    System.out.println("zset中的所有元素："+jedis.zrange("zset", 0, -1));    System.out.println("zset中的所有元素："+jedis.zrangeWithScores("zset", 0, -1));    System.out.println("zset中的所有元素："+jedis.zrangeByScore("zset", 0,100));    System.out.println("zset中的所有元素："+jedis.zrangeByScoreWithScores("zset", 0,100));    System.out.println("zset中key2的分值："+jedis.zscore("zset", "key2"));    System.out.println("zset中key2的排名："+jedis.zrank("zset", "key2"));    System.out.println("刪除zset中的元素key3："+jedis.zrem("zset", "key3"));    System.out.println("zset中的所有元素："+jedis.zrange("zset", 0, -1));    System.out.println("zset中元素的個數："+jedis.zcard("zset"));    System.out.println("zset中分值在1-4之間的元素的個數："+jedis.zcount("zset", 1, 4));    System.out.println("key2的分值加上5："+jedis.zincrby("zset", 5, "key2"));    System.out.println("key3的分值加上4："+jedis.zincrby("zset", 4, "key3"));    System.out.println("zset中的所有元素："+jedis.zrange("zset", 0, -1));  }

14zset中的所有元素：[key5, key2, key1, key3, key4]zset中的所有元素：[[[107, 101, 121, 53],0.2], [[107, 101, 121, 50],1.2], [[107, 101, 121, 49],3.0], [[107, 101, 121, 51],4.0], [[107, 101, 121, 52],5.0]]zset中的所有元素：[key5, key2, key1, key3, key4]zset中的所有元素：[[[107, 101, 121, 53],0.2], [[107, 101, 121, 50],1.2], [[107, 101, 121, 49],3.0], [[107, 101, 121, 51],4.0], [[107, 101, 121, 52],5.0]]zset中key2的分值：1.2zset中key2的排名：1刪除zset中的元素key3：1zset中的所有元素：[key5, key2, key1, key4]zset中元素的個數：4zset中分值在1-4之間的元素的個數：2key2的分值加上5：6.2key3的分值加上4：4.0zset中的所有元素：[key5, key1, key3, key4, key2]

@Test public void testSort() {   jedis.flushDB();   jedis.lpush("collections", "ArrayList", "Vector", "Stack", "HashMap", "WeakHashMap", "LinkedHashMap");   System.out.println("collections的內容："+jedis.lrange("collections", 0, -1));   SortingParams sortingParameters = new SortingParams();   System.out.println(jedis.sort("collections",sortingParameters.alpha()));   System.out.println("===============================");   jedis.lpush("sortedList", "3","6","2","0","7","4");   System.out.println("sortedList排序前："+jedis.lrange("sortedList", 0, -1));   System.out.println("升序："+jedis.sort("sortedList", sortingParameters.asc()));   System.out.println("升序："+jedis.sort("sortedList", sortingParameters.desc()));   System.out.println("===============================");   jedis.lpush("userlist", "33");    jedis.lpush("userlist", "22");    jedis.lpush("userlist", "55");    jedis.lpush("userlist", "11");    jedis.hset("user:66", "name", "66");    jedis.hset("user:55", "name", "55");    jedis.hset("user:33", "name", "33");    jedis.hset("user:22", "name", "79");    jedis.hset("user:11", "name", "24");    jedis.hset("user:11", "add", "beijing");    jedis.hset("user:22", "add", "shanghai");    jedis.hset("user:33", "add", "guangzhou");    jedis.hset("user:55", "add", "chongqing");    jedis.hset("user:66", "add", "xi'an");    sortingParameters = new SortingParams();   sortingParameters.get("user:*->name");    sortingParameters.get("user:*->add");    System.out.println(jedis.sort("userlist",sortingParameters)); }

collections的內容：[LinkedHashMap, WeakHashMap, HashMap, Stack, Vector, ArrayList][ArrayList, HashMap, LinkedHashMap, Stack, Vector, WeakHashMap]===============================sortedList排序前：[4, 7, 0, 2, 6, 3]升序：[0, 2, 3, 4, 6, 7]升序：[7, 6, 4, 3, 2, 0]===============================[24, beijing, 79, shanghai, 33, guangzhou, 55, chongqing]