{"id":128275,"date":"2024-10-26T12:57:18","date_gmt":"2024-10-26T04:57:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128275\/"},"modified":"2024-10-26T12:57:18","modified_gmt":"2024-10-26T04:57:18","slug":"redis-%e5%af%a6%e7%8f%be%e6%9f%a5%e8%a9%a2%e6%89%80%e6%9c%89%e8%a8%98%e9%8c%84%e4%b8%80%e9%8d%b5%e6%90%9e%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128275\/","title":{"rendered":"Redis \u5be6\u73fe\u67e5\u8a62\u6240\u6709\u8a18\u9304\u4e00\u9375\u641e\u5b9a"},"content":{"rendered":"

Redis \u5be6\u73fe\u67e5\u8a62\u6240\u6709\u8a18\u9304\u4e00\u9375\u641e\u5b9a<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\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\u67e5\u8a62\u548c\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u67e5\u8a62\u6240\u6709\u8a18\u9304\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n

Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\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\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n

\u67e5\u8a62\u6240\u6709\u8a18\u9304\u7684\u9700\u6c42<\/h2>\n

\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u4e00\u6b21\u6027\u67e5\u8a62\u6240\u6709\u5b58\u5132\u5728 Redis \u4e2d\u7684\u8a18\u9304\u3002\u9019\u7a2e\u9700\u6c42\u901a\u5e38\u51fa\u73fe\u5728\u6578\u64da\u5206\u6790\u3001\u5831\u544a\u751f\u6210\u6216\u6578\u64da\u9077\u79fb\u7b49\u60c5\u6cc1\u4e0b\u3002\u96d6\u7136 Redis \u7684\u8a2d\u8a08\u521d\u8877\u662f\u91dd\u5c0d\u5feb\u901f\u67e5\u8a62\u7279\u5b9a\u9375\u7684\u6578\u64da\uff0c\u4f46\u6211\u5011\u4ecd\u7136\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u65b9\u6cd5\u4f86\u5be6\u73fe\u67e5\u8a62\u6240\u6709\u8a18\u9304\u7684\u529f\u80fd\u3002<\/p>\n

\u4f7f\u7528 Redis \u547d\u4ee4\u67e5\u8a62\u6240\u6709\u8a18\u9304<\/h2>\n

\u8981\u67e5\u8a62 Redis \u4e2d\u7684\u6240\u6709\u8a18\u9304\uff0c\u6700\u5e38\u7528\u7684\u547d\u4ee4\u662f SCAN<\/code>\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u904d\u6b77 Redis \u4e2d\u7684\u9375\uff0c\u4e26\u4e14\u4e0d\u6703\u963b\u585e\u670d\u52d9\u5668\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n

127.0.0.1:6379> SCAN 0\n<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\u548c\u4e00\u7d44\u9375\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u4f86\u7e7c\u7e8c\u904d\u6b77\u6240\u6709\u7684\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u67e5\u8a62\u6240\u6709\u8a18\u9304\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u521d\u59cb\u5316\u6e38\u6a19\ncursor = 0\nall_keys = []\n\n# \u4f7f\u7528 SCAN \u547d\u4ee4\u904d\u6b77\u6240\u6709\u9375\nwhile True:\n    cursor, keys = r.scan(cursor)\n    all_keys.extend(keys)\n    if cursor == 0:\n        break\n\n# \u8f38\u51fa\u6240\u6709\u9375\nprint(\"\u6240\u6709\u9375:\", all_keys)\n<\/code><\/pre>\n
\u4f7f\u7528 Redis \u6578\u64da\u7d50\u69cb\u67e5\u8a62\u6240\u6709\u8a18\u9304<\/h2>\n
\u9664\u4e86\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u5916\uff0c\u9084\u53ef\u4ee5\u5229\u7528 Redis \u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u548c\u67e5\u8a62\u6240\u6709\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\u6bcf\u4e00\u689d\u8a18\u9304\uff0c\u7136\u5f8c\u4f7f\u7528 HGETALL<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u6574\u500b\u54c8\u5e0c\u8868\uff1a<\/p>\n
127.0.0.1:6379> HSET user:1 name \"Alice\" age 30\n127.0.0.1:6379> HSET user:2 name \"Bob\" age 25\n127.0.0.1:6379> HGETALL user:1\n<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u8a62\u6bcf\u4e00\u689d\u8a18\u9304\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n
\u6027\u80fd\u8003\u91cf<\/h2>\n
\u5728\u67e5\u8a62\u5927\u91cf\u8a18\u9304\u6642\uff0c\u6027\u80fd\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u7684\u597d\u8655\u5728\u65bc\u5b83\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u9375\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u963b\u585e\u554f\u984c\u3002\u7136\u800c\uff0c\u7576\u6578\u64da\u91cf\u975e\u5e38\u9f90\u5927\u6642\uff0c\u4ecd\u7136\u9700\u8981\u6ce8\u610f\u67e5\u8a62\u7684\u6548\u7387\u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Redis \u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u67e5\u8a62\u6240\u6709\u8a18\u9304\uff0c\u7121\u8ad6\u662f\u901a\u904e SCAN<\/code> \u547d\u4ee4\u9084\u662f\u5229\u7528\u6578\u64da\u7d50\u69cb\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u5920\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u67e5\u8a62\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\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\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528 Redis \u4e00\u9375\u67e5\u8a62\u6240\u6709\u8a18\u9304\uff0c\u7c21\u5316\u6578\u64da\u6aa2\u7d22\u904e\u7a0b\uff0c\u63d0\u5347\u6548\u7387\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u8f15\u9b06\u4fbf\u6377\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-128275","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128275","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=128275"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128275\/revisions"}],"predecessor-version":[{"id":128276,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128275\/revisions\/128276"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}