{"id":202017,"date":"2025-05-10T12:18:19","date_gmt":"2025-05-10T04:18:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202017\/"},"modified":"2025-05-10T12:18:19","modified_gmt":"2025-05-10T04:18:19","slug":"redis%e4%b8%8ejava%e5%bc%80%e5%8f%91%ef%bc%9a%e6%9e%84%e5%bb%ba%e5%8f%af%e6%89%a9%e5%b1%95%e7%9a%84%e4%bc%81%e4%b8%9a%e7%ba%a7%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202017\/","title":{"rendered":"Redis\u4e0eJava\u5f00\u53d1\uff1a\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u4e0eJava\u5f00\u53d1\uff1a\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300aRedis\u4e0eJava\u5f00\u53d1\uff1a\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

Redis\u4e0eJava\u5f00\u53d1\uff1a\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528<\/p>\n

\u5728\u5f00\u53d1\u4f01\u4e1a\u7ea7\u5e94\u7528\u65f6\uff0c\u6570\u636e\u7684\u5b58\u50a8\u548c\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u867d\u7136\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u5728\u5904\u7406\u9ad8\u5e76\u53d1\u548c\u5927\u6570\u636e\u91cf\u7684\u573a\u666f\u4e0b\uff0c\u6027\u80fd\u548c\u6269\u5c55\u6027\u5f80\u5f80\u6210\u4e3a\u74f6\u9888\u3002\u800cRedis\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5177\u6709\u901f\u5ea6\u5feb\u3001\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\u3001\u53ef\u6269\u5c55\u6027\u5f3a\u7b49\u4f18\u70b9\uff0c\u6210\u4e3a\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u7684\u597d\u9009\u62e9\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Java\u5f00\u53d1\u4e2d\u4f7f\u7528Redis\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001Redis\u7684\u5b89\u88c5\u548c\u914d\u7f6e<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u672c\u5730\u642d\u5efa\u4e00\u4e2aRedis\u73af\u5883\u3002\u53ef\u4ee5\u4eceRedis\u5b98\u7f51\uff08https:\/\/redis.io\/\uff09\u4e0b\u8f7d\u6700\u65b0\u7684\u7a33\u5b9a\u7248Redis\uff0c\u5e76\u6309\u7167\u5b98\u65b9\u6587\u6863\u8fdb\u884c\u5b89\u88c5\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539\u914d\u7f6e\u6587\u4ef6redis.conf\uff0c\u8bbe\u7f6e\u5408\u9002\u7684\u53c2\u6570\uff0c\u5982\u7aef\u53e3\u53f7\u3001\u5bc6\u7801\u7b49\u3002<\/p>\n

\u4e8c\u3001Java\u4e0eRedis\u7684\u96c6\u6210<\/p>\n

Java\u4e0eRedis\u7684\u96c6\u6210\u901a\u5e38\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93Jedis\u6765\u5b9e\u73b0\u3002Jedis\u662f\u4e00\u4e2aJava\u7684Redis\u5ba2\u6237\u7aef\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684API\u6765\u64cd\u4f5cRedis\u6570\u636e\u5e93\u3002<\/p>\n

\u5728Maven\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\u6765\u4f7f\u7528Jedis\uff1a<\/p>\n

<dependency>\n    <groupId>redis.clients<\/groupId>\n    <artifactId>jedis<\/artifactId>\n    <version>3.6.0<\/version>\n<\/dependency><\/pre>\n
\u5728Java\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2aJedis\u5bf9\u8c61\u6765\u4e0eRedis\u5efa\u7acb\u8fde\u63a5\uff1a<\/p>\n
import redis.clients.jedis.Jedis;\n\npublic class RedisExample {\n    public static void main(String[] args) {\n        Jedis jedis = new Jedis(\"localhost\", 6379);\n        System.out.println(\"Connection to Redis server successfully!\");\n\n        \/\/ \u5728\u8fd9\u91cc\u5199\u5165\u4f60\u7684Redis\u64cd\u4f5c\u4ee3\u7801\n\n        jedis.close();\n    }\n}<\/pre>\n
\u4e09\u3001Redis\u7684\u5e38\u7528\u64cd\u4f5c<\/p>\n
    \n
  1. \u5b58\u50a8\u548c\u83b7\u53d6\u6570\u636e<\/li>\n<\/ol>\n
    \/\/ \u5b58\u50a8\u5b57\u7b26\u4e32\njedis.set(\"key\", \"value\");\n\n\/\/ \u83b7\u53d6\u5b57\u7b26\u4e32\nString value = jedis.get(\"key\");<\/pre>\n
      \n
    1. \u5217\u8868(List)\u64cd\u4f5c<\/li>\n<\/ol>\n
      \/\/ \u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\njedis.lpush(\"list\", \"element1\");\njedis.lpush(\"list\", \"element2\");\n\n\/\/ \u83b7\u53d6\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\nList<String> elements = jedis.lrange(\"list\", 0, -1);\n\n\/\/ \u83b7\u53d6\u5217\u8868\u4e2d\u7684\u957f\u5ea6\nLong length = jedis.llen(\"list\");<\/pre>\n
        \n
      1. \u54c8\u5e0c(Hash)\u64cd\u4f5c<\/li>\n<\/ol>\n
        \/\/ \u5b58\u50a8\u54c8\u5e0c\u503c\njedis.hset(\"hash\", \"field1\", \"value1\");\njedis.hset(\"hash\", \"field2\", \"value2\");\n\n\/\/ \u83b7\u53d6\u54c8\u5e0c\u503c\nString value1 = jedis.hget(\"hash\", \"field1\");\n\n\/\/ \u83b7\u53d6\u54c8\u5e0c\u503c\u7684\u6240\u6709\u5b57\u6bb5\nMap<String, String> fields = jedis.hgetAll(\"hash\");<\/pre>\n
          \n
        1. \u96c6\u5408(Set)\u64cd\u4f5c<\/li>\n<\/ol>\n
          \/\/ \u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u5143\u7d20\njedis.sadd(\"set\", \"element1\");\njedis.sadd(\"set\", \"element2\");\n\n\/\/ \u83b7\u53d6\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\nSet<String> elements = jedis.smembers(\"set\");\n\n\/\/ \u5224\u65ad\u5143\u7d20\u662f\u5426\u5b58\u5728\u4e8e\u96c6\u5408\u4e2d\nBoolean exist = jedis.sismember(\"set\", \"element1\");<\/pre>\n
            \n
          1. \u6709\u5e8f\u96c6\u5408(ZSet)\u64cd\u4f5c<\/li>\n<\/ol>\n
            \/\/ \u6dfb\u52a0\u6709\u5e8f\u96c6\u5408\u5143\u7d20\njedis.zadd(\"zset\", 1, \"element1\");\njedis.zadd(\"zset\", 2, \"element2\");\n\n\/\/ \u83b7\u53d6\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\nSet<String> elements = jedis.zrange(\"zset\", 0, -1);\n\n\/\/ \u83b7\u53d6\u6709\u5e8f\u96c6\u5408\u4e2d\u67d0\u4e2a\u5143\u7d20\u7684\u6392\u540d\nLong rank = jedis.zrank(\"zset\", \"element1\");<\/pre>\n
            \u56db\u3001\u4f7f\u7528Redis\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528<\/p>\n
            \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Redis\u6784\u5efa\u591a\u79cd\u5177\u6709\u9ad8\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n
              \n
            1. \u7f13\u5b58<\/li>\n<\/ol>\n
              public class CacheManager {\n    private static Jedis jedis = new Jedis(\"localhost\", 6379);\n\n    public static Object get(String key) {\n        String value = jedis.get(key);\n        return JSON.parseObject(value, Object.class);\n    }\n\n    public static void set(String key, Object value) {\n        String jsonValue = JSON.toJSONString(value);\n        jedis.set(key, jsonValue);\n    }\n}<\/pre>\n
              \u901a\u8fc7\u5c01\u88c5Jedis\u7684get\u548cset\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7b80\u5355\u7684\u7f13\u5b58\u529f\u80fd\uff0c\u5c06\u5bf9\u8c61\u5e8f\u5217\u5316\u540e\u5b58\u50a8\u5230Redis\u4e2d\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u6b21\u6570\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n
                \n
              1. \u5206\u5e03\u5f0f\u9501<\/li>\n<\/ol>\n
                public class DistributedLock {\n    private static final String LOCK_KEY = \"lock\";\n    private static final String LOCK_VALUE = UUID.randomUUID().toString();\n    private static final int LOCK_EXPIRE_TIME = 10000;\n\n    public static boolean tryLock() {\n        String result = jedis.set(LOCK_KEY, LOCK_VALUE, \"NX\", \"PX\", LOCK_EXPIRE_TIME);\n        return \"OK\".equals(result);\n    }\n\n    public static void unlock() {\n        String value = jedis.get(LOCK_KEY);\n        if (LOCK_VALUE.equals(value)) {\n            jedis.del(LOCK_KEY);\n        }\n    }\n}<\/pre>\n
                \u901a\u8fc7\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u53ef\u4ee5\u89e3\u51b3\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u7684\u95ee\u9898\u3002<\/p>\n
                  \n
                1. \u8ba1\u6570\u5668<\/li>\n<\/ol>\n
                  public class Counter {\n    private static final String COUNTER_KEY = \"counter\";\n\n    public static long increment() {\n        return jedis.incr(COUNTER_KEY);\n    }\n\n    public static long decrement() {\n        return jedis.decr(COUNTER_KEY);\n    }\n}<\/pre>\n
                  \u901a\u8fc7\u4f7f\u7528Redis\u7684incr\u548cdecr\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u8ba1\u6570\u5668\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u7edf\u8ba1\u7f51\u7ad9\u7684\u8bbf\u95ee\u91cf\u3001\u7528\u6237\u7684\u70b9\u8d5e\u6570\u7b49\u3002<\/p>\n
                  \u603b\u7ed3\uff1a<\/p>\n
                  Redis\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5728Java\u5f00\u53d1\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u4e0eJava\u7684\u96c6\u6210\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u4f7f\u7528Redis\u7684\u5404\u79cd\u529f\u80fd\uff0c\u6784\u5efa\u53ef\u6269\u5c55\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\u3002\u672c\u6587\u4ecb\u7ecd\u4e86Redis\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u8fc7\u7a0b\uff0c\u5e76\u7ed9\u51fa\u4e86Java\u4e2d\u4f7f\u7528Redis\u7684\u5e38\u7528\u64cd\u4f5c\u793a\u4f8b\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4f7f\u7528Redis\u6784\u5efa\u7f13\u5b58\u3001\u5206\u5e03\u5f0f\u9501\u548c\u8ba1\u6570\u5668\u7b49\u529f\u80fd\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8e\u5b66\u4e60\u548c\u4f7f\u7528Redis\u7684\u5f00\u53d1\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
                  \n
                  \n <\/dt>\n
                  \n   \u5982\u4f55\u5728MySQL\u4e2d\u8fdb\u884c\u6570\u636e\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u548c\u67e5\u8be2\uff1f\n <\/dd>\n<\/dl>\n
                  \n
                  \n <\/dt>\n
                  \n   \u4f7f\u7528Node.js\u548cRedis\u6784\u5efa\u5728\u7ebf\u6295\u7968\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u9ad8\u5e76\u53d1\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
                  Redis\u4e0eJava\u5f00\u53d1\uff1a\u6784\u5efa\u53ef...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202017","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202017"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202017\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}