{"id":152955,"date":"2024-11-02T03:25:19","date_gmt":"2024-11-01T19:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152955\/"},"modified":"2024-11-02T03:25:20","modified_gmt":"2024-11-01T19:25:20","slug":"%e8%99%95%e7%90%86-java-%e5%af%a6%e7%8f%be-redis-%e4%b8%ad-key-%e7%9a%84%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%ef%bc%88redis-java-%e9%81%8e%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152955\/","title":{"rendered":"\u8655\u7406 Java \u5be6\u73fe Redis \u4e2d Key \u7684\u904e\u671f\u8655\u7406\uff08Redis Java \u904e\u671f\uff09"},"content":{"rendered":"

\u8655\u7406 Java \u5be6\u73fe Redis \u4e2d Key \u7684\u904e\u671f\u8655\u7406\uff08Redis Java \u904e\u671f\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002Redis \u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u904e\u671f\u7ba1\u7406\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5f9e\u800c\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Java \u4e2d\u5be6\u73fe Redis \u7684\u9375\u904e\u671f\u8655\u7406\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n

Redis \u4e2d\u7684\u904e\u671f\u6a5f\u5236\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5169\u7a2e\u7b56\u7565\uff1a\u5b9a\u671f\u6aa2\u67e5\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u671f\u6aa2\u67e5\u662f\u6307 Redis \u6703\u5b9a\u6642\u6383\u63cf\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\uff1b\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u67d0\u500b\u9375\u6642\uff0c\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u5169\u7a2e\u7b56\u7565\u7684\u7d50\u5408\u4f7f\u5f97 Redis \u80fd\u5920\u9ad8\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\u3002<\/p>\n

\u5728 Java \u4e2d\u4f7f\u7528 Redis<\/h2>\n

\u8981\u5728 Java \u4e2d\u4f7f\u7528 Redis\uff0c\u901a\u5e38\u6703\u4f7f\u7528 Jedis \u6216 Lettuce \u9019\u4e9b\u6d41\u884c\u7684 Redis \u5ba2\u6236\u7aef\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Jedis \u4f86\u8a2d\u7f6e\u548c\u7ba1\u7406\u9375\u904e\u671f\u7684\u57fa\u672c\u6b65\u9a5f\u3002<\/p>\n

1. \u6dfb\u52a0\u4f9d\u8cf4<\/h3>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684 Maven \u9805\u76ee\u4e2d\u6dfb\u52a0 Jedis \u7684\u4f9d\u8cf4\uff1a<\/p>\n

\n<dependency>\n    <groupId>redis.clients<\/groupId>\n    <artifactId>jedis<\/artifactId>\n    <version>4.0.1<\/version>\n<\/dependency>\n<\/code><\/pre>\n
2. \u9023\u63a5\u5230 Redis<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b Jedis \u9023\u63a5\u5be6\u4f8b\uff1a<\/p>\n
\nimport 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 server successfully\");\n    }\n}\n<\/code><\/pre>\n
3. \u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593<\/h3>\n
\u4f7f\u7528 Jedis\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u9375\u53ca\u5176\u904e\u671f\u6642\u9593\u7684\u793a\u4f8b\uff1a<\/p>\n
\njedis.set(\"myKey\", \"myValue\");\njedis.expire(\"myKey\", 10); \/\/ \u8a2d\u7f6e myKey \u5728 10 \u79d2\u5f8c\u904e\u671f\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9996\u5148\u8a2d\u7f6e\u4e86\u4e00\u500b\u9375 “myKey”\uff0c\u7136\u5f8c\u4f7f\u7528 expire<\/code> \u65b9\u6cd5\u5c07\u5176\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba 10 \u79d2\u3002<\/p>\n
4. \u6aa2\u67e5\u9375\u7684\u904e\u671f\u6642\u9593<\/h3>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528 ttl<\/code> \u65b9\u6cd5\u4f86\u6aa2\u67e5\u9375\u7684\u5269\u9918\u904e\u671f\u6642\u9593\uff1a<\/p>\n
\nlong ttl = jedis.ttl(\"myKey\");\nSystem.out.println(\"Time to live for myKey: \" + ttl + \" seconds\");\n<\/code><\/pre>\n
5. \u522a\u9664\u904e\u671f\u7684\u9375<\/h3>\n
\u96d6\u7136 Redis \u6703\u81ea\u52d5\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u4f46\u60a8\u4e5f\u53ef\u4ee5\u624b\u52d5\u522a\u9664\u9375\uff1a<\/p>\n
\njedis.del(\"myKey\");\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728 Java \u4e2d\u4f7f\u7528 Redis \u9032\u884c\u9375\u7684\u904e\u671f\u8655\u7406\u662f\u76f8\u5c0d\u7c21\u55ae\u7684\uff0c\u901a\u904e\u4f7f\u7528 Jedis \u5ba2\u6236\u7aef\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3001\u6aa2\u67e5\u5269\u9918\u6642\u9593\u4ee5\u53ca\u624b\u52d5\u522a\u9664\u9375\u3002\u9019\u4e9b\u529f\u80fd\u4f7f\u5f97 Redis \u6210\u70ba\u4e00\u500b\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u7ba1\u7406\u5927\u91cf\u81e8\u6642\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728 Java \u4e2d\u5be6\u73fe Redis \u7684 Key \u904e\u671f\u8655\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u8cc7\u6e90\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-152955","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152955","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=152955"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152955\/revisions"}],"predecessor-version":[{"id":152956,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152955\/revisions\/152956"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}