{"id":167623,"date":"2024-11-06T02:56:25","date_gmt":"2024-11-05T18:56:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167623\/"},"modified":"2024-11-06T02:56:26","modified_gmt":"2024-11-05T18:56:26","slug":"%e5%88%a9%e7%94%a8redis%e7%a2%ba%e4%bf%9d%e4%b8%a6%e7%99%bc%e5%ae%89%e5%85%a8%e7%9a%84%e7%89%b9%e6%ae%8a%e6%8a%80%e5%b7%a7%ef%bc%88redis%e9%98%b2%e6%ad%a2%e4%b8%a6%e7%99%bc%e6%8a%80%e5%b7%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167623\/","title":{"rendered":"\u5229\u7528Redis\u78ba\u4fdd\u4e26\u767c\u5b89\u5168\u7684\u7279\u6b8a\u6280\u5de7\uff08redis\u9632\u6b62\u4e26\u767c\u6280\u5de7\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u78ba\u4fdd\u4e26\u767c\u5b89\u5168\u7684\u7279\u6b8a\u6280\u5de7\uff08redis\u9632\u6b62\u4e26\u767c\u6280\u5de7\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u4e26\u767c\u8655\u7406\u662f\u63d0\u5347\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u4e26\u767c\u5b89\u5168\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5229\u7528Redis\u78ba\u4fdd\u4e26\u767c\u5b89\u5168\u7684\u7279\u6b8a\u6280\u5de7\u3002<\/p>\n

1. \u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c<\/h2>\n

Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5728\u4e0d\u9700\u8981\u9396\u7684\u60c5\u6cc1\u4e0b\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528INCR<\/code>\u547d\u4ee4\u53ef\u4ee5\u5b89\u5168\u5730\u5c0d\u4e00\u500b\u9375\u7684\u503c\u9032\u884c\u81ea\u589e\u64cd\u4f5c\uff0c\u9019\u5728\u8a08\u6578\u5668\u7684\u5be6\u73fe\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n

INCR my_counter<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u81ea\u52d5\u5c07my_counter<\/code>\u7684\u503c\u52a01\uff0c\u4e26\u4e14\u9019\u500b\u64cd\u4f5c\u662f\u539f\u5b50\u7684\uff0c\u610f\u5473\u8457\u5373\u4f7f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u4e5f\u4e0d\u6703\u51fa\u73fe\u6578\u64da\u7af6\u722d\u7684\u554f\u984c\u3002<\/p>\n
2. \u5229\u7528Redis\u7684\u4e8b\u52d9\u6a5f\u5236<\/h2>\n
Redis\u7684\u4e8b\u52d9\u6a5f\u5236\u5141\u8a31\u958b\u767c\u8005\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u5728\u4e00\u8d77\uff0c\u4e26\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u53ef\u4ee5\u901a\u904eMULTI<\/code>\u548cEXEC<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\u3002<\/p>\n
MULTI\nSET key1 value1\nSET key2 value2\nEXEC<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cSET<\/code>\u547d\u4ee4\u5c07\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u57f7\u884c\uff0c\u78ba\u4fdd\u4e86\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u88ab\u5176\u4ed6\u547d\u4ee4\u6253\u65b7\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
3. \u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c<\/h2>\n
Redis\u652f\u6301Lua\u8173\u672c\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u8173\u672c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u64cd\u4f5c\u5728\u4e00\u500b\u539f\u5b50\u4e0a\u4e0b\u6587\u4e2d\u57f7\u884c\uff0c\u907f\u514d\u4e86\u4e26\u767c\u554f\u984c\u3002<\/p>\n
eval \"redis.call('set', KEYS[1], ARGV[1]) return redis.call('get', KEYS[1])\" 1 mykey myvalue<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cLua\u8173\u672c\u9996\u5148\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u503c\uff0c\u7136\u5f8c\u8fd4\u56de\u8a72\u9375\u7684\u503c\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u662f\u539f\u5b50\u7684\uff0c\u80fd\u6709\u6548\u9632\u6b62\u4e26\u767c\u5beb\u5165\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002<\/p>\n
4. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u66f4\u5f37\u7684\u63a7\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002Redis\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u5354\u8abf\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002<\/p>\n
\u4e00\u500b\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\u662f\u4f7f\u7528SETNX<\/code>\u547d\u4ee4\u4f86\u5275\u5efa\u9396\uff1a<\/p>\n
SETNX lock_key unique_lock_value<\/code><\/pre>\n
\u5982\u679c\u8fd4\u56de\u503c\u70ba1\uff0c\u5247\u8868\u793a\u9396\u5df2\u6210\u529f\u7372\u53d6\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u6301\u6709\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5728\u7372\u53d6\u9396\u5f8c\u57f7\u884c\u9700\u8981\u4fdd\u8b77\u7684\u64cd\u4f5c\uff0c\u7136\u5f8c\u91cb\u653e\u9396\uff1a<\/p>\n
DEL lock_key<\/code><\/pre>\n
5. \u4f7f\u7528\u904e\u671f\u6642\u9593\u4f86\u9632\u6b62\u6b7b\u9396<\/h2>\n
\u5728\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u6642\uff0c\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u56e0\u70ba\u67d0\u500b\u9032\u7a0b\u5d29\u6f70\u800c\u5c0e\u81f4\u7684\u6b7b\u9396\u60c5\u6cc1\u3002\u53ef\u4ee5\u5728\u8a2d\u7f6e\u9396\u7684\u540c\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n
SET lock_key unique_lock_value EX 10<\/code><\/pre>\n
\u9019\u6a23\uff0c\u5373\u4f7f\u6301\u6709\u9396\u7684\u9032\u7a0b\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u572810\u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\uff0c\u5f9e\u800c\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5229\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u3001\u4e8b\u52d9\u6a5f\u5236\u3001Lua\u8173\u672c\u3001\u5206\u5e03\u5f0f\u9396\u4ee5\u53ca\u904e\u671f\u6642\u9593\u7b49\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u78ba\u4fdd\u4e26\u767c\u5b89\u5168\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff0c\u9084\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u70baRedis\u7684\u904b\u884c\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5229\u7528Redis\u78ba\u4fdd\u4e26\u767c\u5b89\u5168\u7684\u7279\u6b8a\u6280\u5de7\uff0c\u5b78\u7fd2\u6709\u6548\u7684redis\u9632\u6b62\u4e26\u767c\u65b9\u6cd5\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-167623","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167623","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=167623"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167623\/revisions"}],"predecessor-version":[{"id":167624,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167623\/revisions\/167624"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}