{"id":185176,"date":"2024-11-10T19:22:18","date_gmt":"2024-11-10T11:22:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185176\/"},"modified":"2024-11-10T19:22:19","modified_gmt":"2024-11-10T11:22:19","slug":"%e4%bd%bf%e7%94%a8redis%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e7%8d%b2%e5%8f%96%e6%89%80%e9%9c%80%e5%80%bc%ef%bc%88redis%e6%ad%a3%e5%89%87%e7%8d%b2%e5%8f%96%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185176\/","title":{"rendered":"\u4f7f\u7528Redis\u6b63\u5247\u8868\u9054\u5f0f\u7372\u53d6\u6240\u9700\u503c\uff08redis\u6b63\u5247\u7372\u53d6\u503c\uff09"},"content":{"rendered":"

\u4f7f\u7528Redis\u6b63\u5247\u8868\u9054\u5f0f\u7372\u53d6\u6240\u9700\u503c\uff08redis\u6b63\u5247\u7372\u53d6\u503c\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u7576\u6211\u5011\u9700\u8981\u5f9eRedis\u4e2d\u7372\u53d6\u7279\u5b9a\u7684\u6578\u64da\u6642\uff0c\u6b63\u5247\u8868\u9054\u5f0f\uff08Regex\uff09\u53ef\u4ee5\u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u7372\u53d6\u6240\u9700\u7684\u503c\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n

Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u5b83\u901a\u5e38\u7528\u4f5c\u6578\u64da\u5eab\u3001\u7de9\u5b58\u548c\u6d88\u606f\u4ee3\u7406\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u5728\u8a31\u591a\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u4e2d\u5f97\u5230\u4e86\u5ee3\u6cdb\u61c9\u7528\u3002<\/p>\n

\u6b63\u5247\u8868\u9054\u5f0f\u7c21\u4ecb<\/h2>\n

\u6b63\u5247\u8868\u9054\u5f0f\u662f\u4e00\u7a2e\u7528\u65bc\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u6a21\u5f0f\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u67d0\u7a2e\u6a21\u5f0f\uff0c\u6216\u5f9e\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u90e8\u5206\u3002\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u6b63\u5247\u8868\u9054\u5f0f\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n

\u5728Redis\u4e2d\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f<\/h2>\n

Redis\u672c\u8eab\u4e26\u4e0d\u76f4\u63a5\u652f\u6301\u6b63\u5247\u8868\u9054\u5f0f\u67e5\u8a62\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u9593\u63a5\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n

Redis\u63d0\u4f9b\u4e86SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u9375\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u8207\u6b63\u5247\u8868\u9054\u5f0f\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u904e\u6ffe\u51fa\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\u3002<\/p>\n

SCAN 0 MATCH pattern*<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u627e\u6240\u6709\u4ee5\u201cuser:\u201d\u958b\u982d\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SCAN 0 MATCH user:*<\/code><\/pre>\n
2. \u4f7f\u7528Lua\u8173\u672c<\/h3>\n
\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528Lua\u8173\u672c\u4f86\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002Redis\u652f\u6301\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884cLua\u8173\u672c\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5728\u8173\u672c\u4e2d\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u904e\u6ffe\u6578\u64da\u3002<\/p>\n
\nlocal keys = redis.call('KEYS', 'user:*')\nlocal result = {}\nfor i, key in ipairs(keys) do\n    if string.match(key, 'user:%d+') then\n        table.insert(result, key)\n    end\nend\nreturn result\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u7372\u53d6\u6240\u6709\u4ee5\u201cuser:\u201d\u958b\u982d\u7684\u9375\uff0c\u7136\u5f8c\u4f7f\u7528Lua\u7684string.match\u51fd\u6578\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u7b26\u5408\u6b63\u5247\u8868\u9054\u5f0f\u201cuser:%d+\u201d\u3002<\/p>\n
3. \u5ba2\u6236\u7aef\u904e\u6ffe<\/h3>\n
\u5982\u679c\u4e0d\u60f3\u5728Redis\u670d\u52d9\u5668\u7aef\u9032\u884c\u904e\u6ffe\uff0c\u6211\u5011\u4e5f\u53ef\u4ee5\u5728\u5ba2\u6236\u7aef\u9032\u884c\u904e\u6ffe\u3002\u9019\u610f\u5473\u8457\u6211\u5011\u53ef\u4ee5\u7372\u53d6\u6240\u6709\u7684\u9375\uff0c\u7136\u5f8c\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u904e\u6ffe\u3002<\/p>\n
\nlocal keys = redis.call('KEYS', 'user:*')\nlocal result = {}\nfor i, key in ipairs(keys) do\n    if string.match(key, 'user:%d+') then\n        table.insert(result, key)\n    end\nend\nreturn result\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u7372\u53d6Redis\u4e2d\u7684\u7279\u5b9a\u503c\u662f\u4e00\u500b\u5f37\u5927\u7684\u6280\u8853\uff0c\u96d6\u7136Redis\u672c\u8eab\u4e0d\u76f4\u63a5\u652f\u6301\u6b63\u5247\u67e5\u8a62\uff0c\u4f46\u901a\u904eSCAN\u547d\u4ee4\u3001Lua\u8173\u672c\u6216\u5ba2\u6236\u7aef\u904e\u6ffe\uff0c\u6211\u5011\u4ecd\u7136\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u6aa2\u7d22\u7684\u9748\u6d3b\u6027\uff0c\u4e5f\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u9ad8\u6548\u5730\u8655\u7406\u6578\u64da\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528Redis\u6b63\u5247\u8868\u9054\u5f0f\u8f15\u9b06\u7372\u53d6\u6240\u9700\u503c\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u6d41\u7a0b\u3002\u63a2\u7d22Redis\u6b63\u5247\u7372\u53d6\u503c\u7684\u6280\u5de7\uff01<\/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-185176","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185176","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=185176"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185176\/revisions"}],"predecessor-version":[{"id":185177,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185176\/revisions\/185177"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}