{"id":104127,"date":"2024-10-22T17:14:47","date_gmt":"2024-10-22T09:14:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/104127\/"},"modified":"2024-10-22T17:14:48","modified_gmt":"2024-10-22T09:14:48","slug":"redis-%e9%81%8e%e6%9c%9f%e7%ae%a1%e7%90%86%e5%a4%9a%e7%b7%9a%e7%a8%8b%e5%af%a6%e7%8f%be%e7%b0%a1%e5%96%ae%e5%84%aa%e9%9b%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/104127\/","title":{"rendered":"Redis \u904e\u671f\u7ba1\u7406\u591a\u7dda\u7a0b\u5be6\u73fe\u7c21\u55ae\u512a\u96c5"},"content":{"rendered":"

Redis \u904e\u671f\u7ba1\u7406\u591a\u7dda\u7a0b\u5be6\u73fe\u7c21\u55ae\u512a\u96c5<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u5176\u904e\u671f\u7ba1\u7406\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u63a7\u5236\u6578\u64da\u7684\u751f\u547d\u9031\u671f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u512a\u96c5\u5730\u5be6\u73fe Redis \u7684\u904e\u671f\u7ba1\u7406\u3002<\/p>\n

Redis \u7684\u904e\u671f\u7ba1\u7406\u6a5f\u5236<\/h2>\n

Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7ba1\u7406\u6a5f\u5236\uff1a\u5b9a\u6642\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u6642\u522a\u9664\u662f\u6307\u5728\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis \u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u522a\u9664\u8a72\u9375\uff1b\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u8a72\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002<\/p>\n

\u5b9a\u6642\u522a\u9664<\/h3>\n

\u5b9a\u6642\u522a\u9664\u7684\u5be6\u73fe\u662f\u901a\u904e\u4e00\u500b\u5c08\u9580\u7684\u5b9a\u6642\u4efb\u52d9\u4f86\u5b8c\u6210\u7684\u3002Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u6240\u6709\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\uff0c\u4e26\u522a\u9664\u90a3\u4e9b\u5df2\u7d93\u904e\u671f\u7684\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/p>\n

\u60f0\u6027\u522a\u9664<\/h3>\n

\u60f0\u6027\u522a\u9664\u7684\u512a\u9ede\u5728\u65bc\u5b83\u4e0d\u6703\u6d88\u8017\u984d\u5916\u7684\u8cc7\u6e90\u4f86\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u9375\uff0c\u53ea\u6709\u5728\u8a2a\u554f\u6642\u624d\u6703\u9032\u884c\u6aa2\u67e5\u3002\u9019\u7a2e\u65b9\u5f0f\u5728\u9375\u7684\u8a2a\u554f\u983b\u7387\u4e0d\u9ad8\u7684\u60c5\u6cc1\u4e0b\uff0c\u80fd\u5920\u6709\u6548\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u958b\u92b7\u3002<\/p>\n

\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u904e\u671f\u7ba1\u7406<\/h2>\n

\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u904e\u671f\u7ba1\u7406\u7684\u5be6\u73fe\u9700\u8981\u8003\u616e\u5230\u7dda\u7a0b\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\uff1a<\/p>\n

\u4f7f\u7528\u9396\u6a5f\u5236<\/h3>\n

\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9396\u4f86\u4fdd\u8b77\u5c0d Redis \u7684\u8a2a\u554f\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u80fd\u5920\u5c0d Redis \u9032\u884c\u64cd\u4f5c\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

import threading\nimport redis\n\n# \u521d\u59cb\u5316 Redis \u5ba2\u6236\u7aef\nr = redis.Redis()\n\n# \u9396\u5c0d\u8c61\nlock = threading.Lock()\n\ndef set_key_with_expiry(key, value, expiry):\n    with lock:\n        r.set(key, value, ex=expiry)\n\ndef get_key(key):\n    with lock:\n        return r.get(key)\n<\/code><\/pre>\n
\u4f7f\u7528 Lua \u8173\u672c<\/h3>\n
\u53e6\u4e00\u7a2e\u512a\u96c5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u4f7f\u7528 Lua \u8173\u672c\u3002Redis \u652f\u6301\u539f\u5b50\u57f7\u884c Lua \u8173\u672c\uff0c\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u5176\u4ed6\u64cd\u4f5c\u5c07\u88ab\u963b\u585e\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u904e\u671f\u7ba1\u7406\u7684\u6b63\u78ba\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Lua \u8173\u672c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u793a\u4f8b\uff1a<\/p>\n
lua_script = \"\"\"\nif redis.call('EXISTS', KEYS[1]) == 1 then\n    return redis.call('SET', KEYS[1], ARGV[1], 'EX', ARGV[2])\nelse\n    return nil\nend\n\"\"\"\n\n# \u8a2d\u7f6e\u9375\u503c\u548c\u904e\u671f\u6642\u9593\nr.eval(lua_script, 1, 'my_key', 'my_value', 10)\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
Redis \u7684\u904e\u671f\u7ba1\u7406\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u5be6\u73fe\u6642\uff0c\u9700\u8981\u8003\u616e\u5230\u7dda\u7a0b\u5b89\u5168\u6027\u548c\u6027\u80fd\u554f\u984c\u3002\u901a\u904e\u4f7f\u7528\u9396\u6a5f\u5236\u6216 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u904e\u671f\u7ba1\u7406\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 \u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 \u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 Redis \u904e\u671f\u7ba1\u7406\u7684\u591a\u7dda\u7a0b\u5be6\u73fe\uff0c\u7c21\u55ae\u800c\u512a\u96c5\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u8f15\u9b06\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-104127","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104127","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=104127"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104127\/revisions"}],"predecessor-version":[{"id":104128,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104127\/revisions\/104128"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=104127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=104127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=104127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}