{"id":161753,"date":"2024-11-04T09:03:28","date_gmt":"2024-11-04T01:03:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161753\/"},"modified":"2024-11-04T09:03:29","modified_gmt":"2024-11-04T01:03:29","slug":"%e5%8f%8a%e4%bf%ae%e6%94%b9-redis-%e6%9f%a5%e7%9c%8b%e8%88%87%e4%bf%ae%e6%94%b9%e7%9a%84%e9%9b%99%e9%87%8d%e6%93%8d%e4%bd%9c%ef%bc%88redis-%e6%9f%a5%e7%9c%8b%e4%bb%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161753\/","title":{"rendered":"\u53ca\u4fee\u6539 Redis \u67e5\u770b\u8207\u4fee\u6539\u7684\u96d9\u91cd\u64cd\u4f5c\uff08redis \u67e5\u770b\u4ee5\uff09"},"content":{"rendered":"

\u53ca\u4fee\u6539 Redis \u67e5\u770b\u8207\u4fee\u6539\u7684\u96d9\u91cd\u64cd\u4f5c\uff08redis \u67e5\u770b\u4ee5\uff09<\/h1>\n

Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5373\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u9032\u884c\u67e5\u770b\u548c\u4fee\u6539\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n

\u5728\u4f7f\u7528 Redis \u4e4b\u524d\uff0c\u4e86\u89e3\u5176\u57fa\u672c\u64cd\u4f5c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u4f7f\u5f97 Redis \u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u985e\u578b\u3002<\/p>\n

\u67e5\u770b\u6578\u64da<\/h3>\n

\u8981\u67e5\u770b Redis \u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 GET<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u5b57\u7b26\u4e32\u985e\u578b\u7684\u503c\uff0c\u6216\u4f7f\u7528 HGET<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u54c8\u5e0c\u985e\u578b\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n

SET mykey \"Hello\"\nGET mykey\n<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u78bc\u5c07\u8a2d\u7f6e\u4e00\u500b\u9375\u70ba mykey<\/code> \u7684\u5b57\u7b26\u4e32\uff0c\u4e26\u8fd4\u56de\u5176\u503c\uff1a<\/p>\n
Hello\n<\/code><\/pre>\n
\u5c0d\u65bc\u54c8\u5e0c\u985e\u578b\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u9019\u6a23\u67e5\u770b\uff1a<\/p>\n
HSET myhash field1 \"Hello\"\nHGET myhash field1\n<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\uff1a<\/p>\n
Hello\n<\/code><\/pre>\n
\u4fee\u6539\u6578\u64da<\/h3>\n
\u5728 Redis \u4e2d\uff0c\u4fee\u6539\u6578\u64da\u7684\u64cd\u4f5c\u901a\u5e38\u662f\u901a\u904e\u91cd\u65b0\u8a2d\u7f6e\u9375\u7684\u503c\u4f86\u5be6\u73fe\u7684\u3002\u4f7f\u7528 SET<\/code> \u547d\u4ee4\u53ef\u4ee5\u8f15\u9b06\u5730\u66f4\u65b0\u5b57\u7b26\u4e32\u7684\u503c\uff1a<\/p>\n
SET mykey \"World\"\nGET mykey\n<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\uff1a<\/p>\n
World\n<\/code><\/pre>\n
\u5c0d\u65bc\u54c8\u5e0c\u985e\u578b\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 HSET<\/code> \u547d\u4ee4\u4f86\u4fee\u6539\u7279\u5b9a\u5b57\u6bb5\u7684\u503c\uff1a<\/p>\n
HSET myhash field1 \"World\"\nHGET myhash field1\n<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\uff1a<\/p>\n
World\n<\/code><\/pre>\n
\u67e5\u770b\u8207\u4fee\u6539\u7684\u96d9\u91cd\u64cd\u4f5c<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u67e5\u770b\u548c\u4fee\u6539\u64cd\u4f5c\u7d93\u5e38\u662f\u9023\u7e8c\u9032\u884c\u7684\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u958b\u767c\u8005\u9700\u8981\u5728\u67e5\u770b\u6578\u64da\u5f8c\u9032\u884c\u76f8\u61c9\u7684\u4fee\u6539\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe\u67e5\u770b\u8207\u4fee\u6539\u7684\u96d9\u91cd\u64cd\u4f5c\uff1a<\/p>\n
-- \u67e5\u770b\u7576\u524d\u503c\nlocal currentValue = redis.call(\"GET\", \"mykey\")\nif currentValue == \"Hello\" then\n    -- \u4fee\u6539\u503c\n    redis.call(\"SET\", \"mykey\", \"Updated Value\")\nend\n<\/code><\/pre>\n
\u5728\u9019\u6bb5 Lua \u8173\u672c\u4e2d\uff0c\u9996\u5148\u4f7f\u7528 GET<\/code> \u547d\u4ee4\u67e5\u770b mykey<\/code> \u7684\u7576\u524d\u503c\u3002\u5982\u679c\u7576\u524d\u503c\u70ba Hello<\/code>\uff0c\u5247\u5c07\u5176\u4fee\u6539\u70ba Updated Value<\/code>\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis \u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u64cd\u4f5c\u65b9\u5f0f\uff0c\u7121\u8ad6\u662f\u67e5\u770b\u9084\u662f\u4fee\u6539\u6578\u64da\uff0c\u90fd\u80fd\u5920\u8f15\u9b06\u5be6\u73fe\u3002\u901a\u904e\u638c\u63e1\u57fa\u672c\u7684\u547d\u4ee4\u548c\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528 Redis \u4f86\u6eff\u8db3\u5404\u7a2e\u61c9\u7528\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u7de9\u5b58\u9084\u662f\u5373\u6642\u6578\u64da\u8655\u7406\u65b9\u9762\uff0cRedis \u90fd\u662f\u4e00\u500b\u503c\u5f97\u4fe1\u8cf4\u7684\u9078\u64c7\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc \u9999\u6e2fVPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f \u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f \u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u7684\u96d9\u91cd\u64cd\u4f5c\uff0c\u5b78\u7fd2\u5982\u4f55\u67e5\u770b\u548c\u4fee\u6539\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\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-161753","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161753","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=161753"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161753\/revisions"}],"predecessor-version":[{"id":161754,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161753\/revisions\/161754"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}