{"id":184104,"date":"2024-11-10T10:22:17","date_gmt":"2024-11-10T02:22:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184104\/"},"modified":"2024-11-10T10:22:18","modified_gmt":"2024-11-10T02:22:18","slug":"%e4%bd%bf%e7%94%a8redis%e6%9f%a5%e8%a9%a2key%e7%9a%84%e6%ad%a3%e7%a2%ba%e8%aa%9e%e6%b3%95%ef%bc%88redis%e6%9f%a5%e8%a9%a2key%e8%aa%9e%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184104\/","title":{"rendered":"\u4f7f\u7528Redis\u67e5\u8a62Key\u7684\u6b63\u78ba\u8a9e\u6cd5\uff08redis\u67e5\u8a62key\u8a9e\u6cd5\uff09"},"content":{"rendered":"

\u4f7f\u7528Redis\u67e5\u8a62Key\u7684\u6b63\u78ba\u8a9e\u6cd5\uff08redis\u67e5\u8a62key\u8a9e\u6cd5\uff09<\/h1>\n

Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u6b63\u78ba\u4f7f\u7528Redis\u67e5\u8a62Key\u7684\u8a9e\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n

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

\u5728\u6df1\u5165\u67e5\u8a62\u8a9e\u6cd5\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3Redis\u7684\u57fa\u672c\u6982\u5ff5\u3002Redis\u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\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\u6bcf\u500b\u6578\u64da\u7d50\u69cb\u90fd\u53ef\u4ee5\u901a\u904e\u552f\u4e00\u7684Key\u4f86\u8a2a\u554f\u3002<\/p>\n

\u67e5\u8a62Key\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n

\u5728Redis\u4e2d\uff0c\u67e5\u8a62Key\u7684\u57fa\u672c\u547d\u4ee4\u662f GET<\/code> \u548c EXISTS<\/code>\u3002\u4ee5\u4e0b\u662f\u9019\u4e9b\u547d\u4ee4\u7684\u8a73\u7d30\u8aaa\u660e\uff1a<\/p>\n

1. \u4f7f\u7528GET\u547d\u4ee4\u67e5\u8a62Key<\/h3>\n

GET<\/code>\u547d\u4ee4\u7528\u65bc\u7372\u53d6\u6307\u5b9aKey\u7684\u503c\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

GET key<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500bKey\u70ba username<\/code> \u7684\u6578\u64da\uff0c\u60f3\u8981\u67e5\u8a62\u5176\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
GET username<\/code><\/pre>\n
\u5982\u679c\u8a72Key\u5b58\u5728\uff0cRedis\u5c07\u8fd4\u56de\u5176\u5c0d\u61c9\u7684\u503c\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de (nil)<\/code>\u3002<\/p>\n
2. \u4f7f\u7528EXISTS\u547d\u4ee4\u6aa2\u67e5Key\u662f\u5426\u5b58\u5728<\/h3>\n
EXISTS<\/code>\u547d\u4ee4\u7528\u65bc\u6aa2\u67e5\u6307\u5b9a\u7684Key\u662f\u5426\u5b58\u5728\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
EXISTS key<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u6aa2\u67e5 username<\/code> \u662f\u5426\u5b58\u5728\u7684\u547d\u4ee4\u70ba\uff1a<\/p>\n
EXISTS username<\/code><\/pre>\n
\u5982\u679cKey\u5b58\u5728\uff0c\u8fd4\u56de\u503c\u70ba 1<\/code>\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de 0<\/code>\u3002<\/p>\n
\u67e5\u8a62\u591a\u500bKey<\/h2>\n
Redis\u9084\u652f\u6301\u540c\u6642\u67e5\u8a62\u591a\u500bKey\u3002\u53ef\u4ee5\u4f7f\u7528 MGET<\/code> \u547d\u4ee4\u4f86\u4e00\u6b21\u6027\u7372\u53d6\u591a\u500bKey\u7684\u503c\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
MGET key1 key2 ... keyN<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u67e5\u8a62 username<\/code> \u548c email<\/code> \u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
MGET username email<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u5305\u542b\u9019\u5169\u500bKey\u5c0d\u61c9\u503c\u7684\u6578\u7d44\u3002\u5982\u679c\u67d0\u500bKey\u4e0d\u5b58\u5728\uff0c\u5247\u8a72\u4f4d\u7f6e\u5c07\u8fd4\u56de (nil)<\/code>\u3002<\/p>\n
\u4f7f\u7528\u6a21\u5f0f\u67e5\u8a62Key<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6839\u64da\u6a21\u5f0f\u67e5\u8a62Key\u3002\u53ef\u4ee5\u4f7f\u7528 KEYS<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709Key\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
KEYS pattern<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u67e5\u8a62\u6240\u6709\u4ee5 user:<\/code> \u958b\u982d\u7684Key\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
KEYS user:*<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cKEYS<\/code> \u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u67e5\u8a62Key\u7684\u65b9\u5f0f\uff0c\u5f9e\u57fa\u672c\u7684 GET<\/code> \u548c EXISTS<\/code> \u547d\u4ee4\uff0c\u5230\u652f\u6301\u591a\u500bKey\u67e5\u8a62\u7684 MGET<\/code> \u548c\u6a21\u5f0f\u67e5\u8a62\u7684 KEYS<\/code> \u547d\u4ee4\u3002\u4e86\u89e3\u9019\u4e9b\u547d\u4ee4\u7684\u6b63\u78ba\u7528\u6cd5\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u4f7f\u7528Redis\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u3002<\/p>\n
\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u4f7f\u7528Redis\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u4f7f\u7528Redis\u67e5\u8a62Key\u7684\u6b63\u78ba\u8a9e\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u5feb\u901f\u7372\u53d6\u6240\u9700\u4fe1\u606f\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-184104","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184104","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=184104"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184104\/revisions"}],"predecessor-version":[{"id":184105,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184104\/revisions\/184105"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}