如何使用Java來(lái)操作Redis數(shù)據(jù)庫(kù)？詳細(xì)方法步驟

<dependencies>
		<dependency>
		    <groupId>redis.clients</groupId>
		    <artifactId>jedis</artifactId>
		    <version>3.3.0</version>
		</dependency>
		
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.2.72</version>
		</dependency>
  </dependencies>

//定義主機(jī)號(hào)、端口號(hào)
		HostAndPort hostAndPort = new HostAndPort("127.0.0.1",6379);
		//連接redis服務(wù)
		Jedis jedis=new Jedis(hostAndPort);
		//ping一下
		System.out.println("服務(wù)正在運(yùn)行: "+jedis.ping())
		//關(guān)閉
		jedis.close();

控制臺(tái)輸出PONG代表連接成功

System.out.println("存入一個(gè)數(shù)據(jù)："+jedis.set("age", "20"));
		System.out.println("存入多個(gè)數(shù)據(jù)："+jedis.mset("name","zhangsan","sex","男"));
		
		System.out.println("獲取一個(gè)數(shù)據(jù)："+jedis.get("age"));
		System.out.println("獲取多個(gè)數(shù)據(jù)："+jedis.mget("name","sex"));
		
		System.out.println("將指定的字符串拼接在指定數(shù)據(jù)之后："+jedis.append("name","，你好"));
		
		System.out.println("查看某個(gè)數(shù)據(jù)的長(zhǎng)度："+jedis.strlen("name"));
		
		System.out.println("修改某個(gè)數(shù)據(jù)的值并返回修改之前的值："+jedis.getSet("name", "lisi"));
		
		System.out.println("判斷某個(gè)數(shù)據(jù)是否存在："+jedis.exists("name"));
		
		System.out.println("為某個(gè)數(shù)據(jù)設(shè)置失效時(shí)間（單位/s）："+jedis.expire("name", 20));
		
		System.out.println("查看某個(gè)數(shù)據(jù)的剩余生存時(shí)間(s)："+jedis.ttl("name"));
		
		System.out.println("刪除一個(gè)或多個(gè)數(shù)據(jù)："+jedis.del("name","sex"));

System.out.println("向集合添加一個(gè)或多個(gè)元素："+jedis.sadd("key1", "v1","v2","v3"));
		
		System.out.println("獲取集合的元素個(gè)數(shù)："+jedis.scard("key1"));
		
		System.out.println("返回集合中的所有元素："+jedis.smembers("key1"));
		
		System.out.println("判斷指定元素是否存在集合中："+jedis.sismember("key1", "v1"));
		
		System.out.println("移除集合中指定的元素："+jedis.srem("key1", "v3"));
		
		//這里我們?cè)趧?chuàng)建一個(gè)集合
		System.out.println("向集合添加一個(gè)或多個(gè)元素："+jedis.sadd("key2", "v2","v3","v4"));
		
		System.out.println("返回集合key1與key2的差集："+jedis.sdiff("key1","key2"));
		System.out.println("返回集合key1與key2的交集："+jedis.sinter("key1","key2"));
		System.out.println("返回集合key1與key2的并集："+jedis.sunion("key1","key2"));

	Map map=new HashMap<>();
		map.put("name", "zhangsan");
		map.put("age", "20");
		map.put("sex", "男");
		
		System.out.println("創(chuàng)建一個(gè)哈希表存儲(chǔ)一個(gè)用戶對(duì)象："+jedis.hmset("user",map));
		
		System.out.println("獲取哈希表中用戶的name："+jedis.hget("user", "name"));
		
		System.out.println("查看哈希表中，指定的字段是否存在："+jedis.hexists("user", "name"));
		
		System.out.println("獲取哈希表中字段的數(shù)量："+jedis.hlen("user"));
		
		System.out.println("獲取哈希表中所有字段："+jedis.hkeys("user"));
		
		System.out.println("獲取哈希表中所有字段的值："+jedis.hvals("user"));
		
		System.out.println("獲取在哈希表中的所有字段和值："+jedis.hgetAll("user"));
		
		System.out.println("刪除一個(gè)或多個(gè)哈希表字段："+jedis.hdel("user","name","age","sex"));

System.out.println("將一個(gè)值插入到列表頭部（可以多個(gè)值）："+jedis.lpush("city","北京","上海"));
		
		
		System.out.println("將一個(gè)值插入到列表尾部（可以多個(gè)值）："+jedis.rpush("city","濟(jì)南","南京"));
		
		
		System.out.println("獲取列表指定范圍內(nèi)的元素："+jedis.lrange("city", 0, -1));
		
		
		System.out.println("獲取列表長(zhǎng)度："+jedis.llen("city"));
		
		
		System.out.println("移出列表的第一個(gè)元素，并輸出值："+jedis.lpop("city"));
		
		
		System.out.println("移除列表的最后一個(gè)元素，并輸出值："+jedis.rpop("city"));
		
		
		System.out.println("修改列表中指定索引位置元素的值："+jedis.lset("city", 0, "西藏"));
		
		
		System.out.println("讓列表只保留指定區(qū)間內(nèi)的元素，不在指定區(qū)間之內(nèi)的元素都將被刪除："+jedis.ltrim("city", 1, 2));

Map<String,Double> scoreMembers=new HashMap<>();
		scoreMembers.put("member1", 1D);
		scoreMembers.put("member2", 2D);
		scoreMembers.put("member3", 3D);
		
		System.out.println("向有序集合添加一個(gè)或多個(gè)元素，或者更新已存在元素的分?jǐn)?shù)："+jedis.zadd("member", scoreMembers));
		
		System.out.println("獲取有序集合的元素個(gè)數(shù)："+jedis.zcard("member"));
		
		System.out.println("計(jì)算在有序集合中指定區(qū)間（[socre1,socre2]）分?jǐn)?shù)的成員數(shù)："+jedis.zcount("member", 0D, 3D));
		
		System.out.println("通過(guò)索引區(qū)間返回有序集合指定區(qū)間內(nèi)的元素，從低到高："+jedis.zrange("member", 0,-1));
		
		System.out.println("返回索引區(qū)間返回有序集合指定區(qū)間內(nèi)的元素，從高到低："+jedis.zrevrange("member", 0,-1));
		
		System.out.println("返回有序集中指定元素的分?jǐn)?shù)值："+jedis.zscore("member", "member1"));
		
		System.out.println("移除有序集合中的一個(gè)或多個(gè)元素："+jedis.zrem("member", "member1","member2"));
		
		System.out.println("返回有序集合中指定元素的索引："+jedis.zrank("member", "member3"));

	System.out.println("清空當(dāng)前數(shù)據(jù)庫(kù)："+jedis.flushDB());
		
		System.out.println("清空所有數(shù)據(jù)庫(kù)："+jedis.flushAll());
		
		System.out.println("查看當(dāng)前數(shù)據(jù)庫(kù)存儲(chǔ)數(shù)據(jù)的多少："+jedis.dbSize());
		
		Set<String> keys = jedis.keys("*");
		System.out.println("查看當(dāng)前數(shù)據(jù)庫(kù)存儲(chǔ)所有鍵值："+keys);
		
		System.out.println("選擇某個(gè)數(shù)據(jù)庫(kù)："+jedis.select(0));