{"id":128823,"date":"2024-10-26T17:01:44","date_gmt":"2024-10-26T09:01:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128823\/"},"modified":"2024-10-26T17:01:45","modified_gmt":"2024-10-26T09:01:45","slug":"redis%e5%af%a6%e7%8f%be%e6%89%b9%e9%87%8f%e6%9f%a5%e6%89%be%e5%a4%9a%e5%80%8bkey%ef%bc%88redis%e6%9f%a5%e6%89%be%e5%a4%9a%e5%80%8bkey%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128823\/","title":{"rendered":"Redis\u5be6\u73fe\u6279\u91cf\u67e5\u627e\u591a\u500bkey\uff08redis\u67e5\u627e\u591a\u500bkey\uff09"},"content":{"rendered":"

Redis\u5be6\u73fe\u6279\u91cf\u67e5\u627e\u591a\u500bkey\uff08redis\u67e5\u627e\u591a\u500bkey\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\u4e2d\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u67e5\u627e\u591a\u500bkey\u7684\u60c5\u6cc1\u4e0b\uff0cRedis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u6279\u91cf\u67e5\u627e\u591a\u500bkey\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\uff0cRedis\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002\u7576\u9700\u8981\u540c\u6642\u67e5\u627e\u591a\u500bkey\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n

\u6279\u91cf\u67e5\u627e\u591a\u500bkey\u7684\u65b9\u6cd5<\/h2>\n

\u5728Redis\u4e2d\uff0c\u6279\u91cf\u67e5\u627e\u591a\u500bkey\u7684\u5e38\u7528\u65b9\u6cd5\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n

1. \u4f7f\u7528MGET\u547d\u4ee4<\/h3>\n

MGET\u547d\u4ee4\u662fRedis\u4e2d\u7528\u65bc\u6279\u91cf\u7372\u53d6\u591a\u500bkey\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u4e00\u6b21\u6027\u67e5\u8a62\u591a\u500bkey\u7684\u503c\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5305\u542b\u6240\u6709\u503c\u7684\u5217\u8868\u3002\u4ee5\u4e0b\u662fMGET\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n

127.0.0.1:6379> MSET key1 \"value1\" key2 \"value2\" key3 \"value3\"\nOK\n127.0.0.1:6379> MGET key1 key2 key3\n1) \"value1\"\n2) \"value2\"\n3) \"value3\"<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528MSET\u547d\u4ee4\u8a2d\u7f6e\u4e86\u4e09\u500bkey\u7684\u503c\uff0c\u7136\u5f8c\u4f7f\u7528MGET\u547d\u4ee4\u6279\u91cf\u67e5\u8a62\u9019\u4e09\u500bkey\u7684\u503c\u3002<\/p>\n
2. \u4f7f\u7528\u7ba1\u9053\uff08Pipelining\uff09<\/h3>\n
\u7576\u9700\u8981\u67e5\u8a62\u7684key\u6578\u91cf\u975e\u5e38\u5927\u6642\uff0c\u4f7f\u7528MGET\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u3002\u7ba1\u9053\u5141\u8a31\u5ba2\u6236\u7aef\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u5f9e\u800c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u7ba1\u9053\u7684\u793a\u4f8b\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u4f7f\u7528\u7ba1\u9053\npipe = r.pipeline()\nkeys = ['key1', 'key2', 'key3', 'key4', 'key5']\n\nfor key in keys:\n    pipe.get(key)\n\n# \u57f7\u884c\u7ba1\u9053\u4e2d\u7684\u6240\u6709\u547d\u4ee4\nvalues = pipe.execute()\nprint(values)<\/code><\/pre>\n
\u5728\u9019\u500bPython\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Redis\u7684\u7ba1\u9053\u529f\u80fd\u4f86\u6279\u91cf\u67e5\u8a62\u591a\u500bkey\u7684\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u8acb\u6c42\u7684\u5ef6\u9072\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n
3. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n
\u5982\u679c\u9700\u8981\u67e5\u627e\u7684key\u6578\u91cf\u975e\u5e38\u9f90\u5927\uff0c\u4e14\u4e0d\u5e0c\u671b\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709key\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528SCAN\u547d\u4ee4\u3002SCAN\u547d\u4ee4\u53ef\u4ee5\u5206\u6279\u6b21\u904d\u6b77key\uff0c\u9069\u5408\u7528\u65bc\u5927\u6578\u64da\u96c6\u7684\u67e5\u8a62\u3002\u4ee5\u4e0b\u662fSCAN\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n
127.0.0.1:6379> SCAN 0 MATCH key*\n1) \"0\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528SCAN\u547d\u4ee4\u67e5\u8a62\u6240\u6709\u4ee5”key”\u958b\u982d\u7684key\u3002SCAN\u547d\u4ee4\u7684\u512a\u52e2\u5728\u65bc\u5b83\u4e0d\u6703\u963b\u585eRedis\u670d\u52d9\u5668\uff0c\u9069\u5408\u7528\u65bc\u5927\u898f\u6a21\u6578\u64da\u7684\u67e5\u8a62\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728Redis\u4e2d\uff0c\u6279\u91cf\u67e5\u627e\u591a\u500bkey\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u6839\u64da\u5177\u9ad4\u7684\u9700\u6c42\u548c\u6578\u64da\u91cf\uff0c\u53ef\u4ee5\u9078\u64c7\u6700\u5408\u9069\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u4f7f\u7528MGET\u547d\u4ee4\u3001\u7ba1\u9053\u6280\u8853\u9084\u662fSCAN\u547d\u4ee4\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684Redis\u64cd\u4f5c\u65b9\u5f0f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\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\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u6279\u91cf\u67e5\u627e\u591a\u500bkey\uff0c\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\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-128823","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128823","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=128823"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128823\/revisions"}],"predecessor-version":[{"id":128824,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128823\/revisions\/128824"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}