{"id":62051,"date":"2024-10-13T15:46:16","date_gmt":"2024-10-13T07:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62051\/"},"modified":"2024-10-13T15:46:16","modified_gmt":"2024-10-13T07:46:16","slug":"java%e4%bd%bf%e7%94%a8redis%e9%80%b2%e8%a1%8c%e9%81%8e%e6%9c%9f%e6%93%8d%e4%bd%9c%e8%99%95%e7%90%86%ef%bc%88redisjava%e9%81%8e%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62051\/","title":{"rendered":"Java\u4f7f\u7528Redis\u9032\u884c\u904e\u671f\u64cd\u4f5c\u8655\u7406\uff08redisjava\u904e\u671f\uff09"},"content":{"rendered":"

Java\u4f7f\u7528Redis\u9032\u884c\u904e\u671f\u64cd\u4f5c\u8655\u7406\uff08redisjava\u904e\u671f\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u7de9\u5b58\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Java\u4e2d\u4f7f\u7528Redis\u9032\u884c\u904e\u671f\u64cd\u4f5c\u8655\u7406\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002<\/p>\n

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

Redis\u63d0\u4f9b\u4e86\u5c0d\u9375\u7684\u904e\u671f\u7ba1\u7406\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u70ba\u7279\u5b9a\u7684\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u9375\u7684\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72\u9375\uff0c\u5f9e\u800c\u91cb\u653e\u8cc7\u6e90\u3002\u9019\u4e00\u7279\u6027\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u6703\u8a71\u7ba1\u7406\u3001\u7de9\u5b58\u6578\u64da\u7b49\u3002<\/p>\n

\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n

\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n

EXPIRE key seconds<\/code><\/pre>\n
\u9019\u88e1\u7684`key`\u662f\u8981\u8a2d\u7f6e\u904e\u671f\u7684\u9375\uff0c`seconds`\u662f\u904e\u671f\u7684\u79d2\u6578\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375`session:123`\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba300\u79d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
EXPIRE session:123 300<\/code><\/pre>\n
\u5728Java\u4e2d\u4f7f\u7528Redis<\/h2>\n
\u8981\u5728Java\u4e2d\u4f7f\u7528Redis\uff0c\u901a\u5e38\u6703\u4f7f\u7528Jedis\u9019\u500b\u5eab\u3002Jedis\u662f\u4e00\u500b\u7c21\u55ae\u6613\u7528\u7684Redis\u5ba2\u6236\u7aef\uff0c\u652f\u6301\u591a\u7a2eRedis\u64cd\u4f5c\uff0c\u5305\u62ec\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728Java\u4e2d\u4f7f\u7528Jedis\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u7684\u793a\u4f8b\uff1a<\/p>\n
\u5f15\u5165Jedis\u4f9d\u8cf4<\/h3>\n
\u9996\u5148\uff0c\u78ba\u4fdd\u5728\u4f60\u7684\u9805\u76ee\u4e2d\u5f15\u5165Jedis\u4f9d\u8cf4\u3002\u5982\u679c\u4f60\u4f7f\u7528Maven\uff0c\u53ef\u4ee5\u5728`pom.xml`\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n
<dependency>\n    <groupId>redis.clients<\/groupId>\n    <artifactId>jedis<\/artifactId>\n    <version>4.0.1<\/version>\n<\/dependency><\/code><\/pre>\n
\u8a2d\u7f6e\u904e\u671f\u9375\u7684\u793a\u4f8b\u4ee3\u78bc<\/h3>\n
import redis.clients.jedis.Jedis;\n\npublic class RedisExpireExample {\n    public static void main(String[] args) {\n        \/\/ \u5275\u5efaJedis\u5be6\u4f8b\n        Jedis jedis = new Jedis(\"localhost\", 6379);\n        \n        \/\/ \u8a2d\u7f6e\u9375\u503c\n        jedis.set(\"session:123\", \"user_data\");\n        \n        \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba300\u79d2\n        jedis.expire(\"session:123\", 300);\n        \n        \/\/ \u78ba\u8a8d\u904e\u671f\u6642\u9593\n        System.out.println(\"\u5269\u9918\u904e\u671f\u6642\u9593: \" + jedis.ttl(\"session:123\") + \"\u79d2\");\n        \n        \/\/ \u95dc\u9589Jedis\u9023\u63a5\n        jedis.close();\n    }\n}<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500bJedis\u5be6\u4f8b\uff0c\u7136\u5f8c\u8a2d\u7f6e\u4e86\u4e00\u500b\u9375`session:123`\u53ca\u5176\u503c`user_data`\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528`expire`\u65b9\u6cd5\u8a2d\u7f6e\u8a72\u9375\u7684\u904e\u671f\u6642\u9593\u70ba300\u79d2\uff0c\u4e26\u4f7f\u7528`ttl`\u65b9\u6cd5\u78ba\u8a8d\u5269\u9918\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n
\u904e\u671f\u9375\u7684\u81ea\u52d5\u522a\u9664<\/h2>\n
Redis\u7684\u904e\u671f\u9375\u6703\u5728\u5230\u9054\u904e\u671f\u6642\u9593\u5f8c\u81ea\u52d5\u522a\u9664\u3002\u9019\u610f\u5473\u8457\u958b\u767c\u8005\u4e0d\u9700\u8981\u624b\u52d5\u7ba1\u7406\u904e\u671f\u7684\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u5167\u5b58\u7684\u4f7f\u7528\u548c\u6578\u64da\u7684\u5197\u9918\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u6703\u5728\u6bcf\u6b21\u8a2a\u554f\u6642\u6aa2\u67e5\u904e\u671f\u9375\uff0c\u4e26\u5728\u5167\u5b58\u7a7a\u9593\u4e0d\u8db3\u6642\u9032\u884c\u4e3b\u52d5\u522a\u9664\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u4f7f\u7528Redis\u9032\u884c\u904e\u671f\u64cd\u4f5c\u8655\u7406\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u81ea\u52d5\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u5834\u666f\u4e2d\u3002\u901a\u904eJava\u4e2d\u7684Jedis\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u548c\u7ba1\u7406\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dcVPS\u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5728Java\u4e2d\u4f7f\u7528Redis\u9032\u884c\u904e\u671f\u64cd\u4f5c\u8655\u7406\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u904e\u671f\u6578\u64da\u7684\u6e05\u7406\u904e\u7a0b\u3002<\/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-62051","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62051","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=62051"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62051\/revisions"}],"predecessor-version":[{"id":62052,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62051\/revisions\/62052"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}