{"id":201152,"date":"2025-05-10T10:44:34","date_gmt":"2025-05-10T02:44:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201152\/"},"modified":"2025-05-10T10:44:34","modified_gmt":"2025-05-10T02:44:34","slug":"redis%e4%b8%ad%e9%94%ae%e5%92%8c%e6%95%b0%e6%8d%ae%e5%ba%93%e9%80%9a%e7%94%a8%e6%8c%87%e4%bb%a4%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201152\/","title":{"rendered":"Redis\u4e2d\u952e\u548c\u6570\u636e\u5e93\u901a\u7528\u6307\u4ee4\u8be6\u89e3"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u4e2d\u952e\u548c\u6570\u636e\u5e93\u901a\u7528\u6307\u4ee4\u8be6\u89e3<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aRedis\u4e2d\u952e\u548c\u6570\u636e\u5e93\u901a\u7528\u6307\u4ee4\u8be6\u89e3\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<h2>\u4e00\u3001Redis\u952e(key)\u901a\u7528\u6307\u4ee4<\/h2>\n<p>\u53ef\u4ee5\u53c2\u8003\u83dc\u9e1f\u6559\u7a0b\uff1a<\/p>\n<p>key\u7279\u5f81\uff1akey\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7key\u83b7\u53d6redis\u4e2d\u4fdd\u5b58\u7684\u6570\u636e\u3002<\/p>\n<h3>1\u3001key\u57fa\u672c\u64cd\u4f5c<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>del key<\/td>\n<td>\u8be5\u547d\u4ee4\u7528\u4e8e\u5728 key \u5b58\u5728\u65f6\u5220\u9664 key<\/td>\n<\/tr>\n<tr>\n<td>exists key<\/td>\n<td>\u68c0\u67e5\u7ed9\u5b9a key \u662f\u5426\u5b58\u5728<\/td>\n<\/tr>\n<tr>\n<td>type key<\/td>\n<td>\u8fd4\u56de key \u6240\u50a8\u5b58\u7684\u503c\u7684\u7c7b\u578b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444163aeb6c9610a8.png\" class=\"aligncenter\"><\/p>\n<h3>2\u3001\u65f6\u6548\u6027\u63a7\u5236<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>EXPIRE key seconds<\/td>\n<td>\u4e3a\u7ed9\u5b9a key \u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u4ee5\u79d2\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>PEXPIRE key milliseconds<\/td>\n<td>\u8bbe\u7f6e key \u7684\u8fc7\u671f\u65f6\u95f4\u4ee5\u6beb\u79d2\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>EXPIREAT key timestamp<\/td>\n<td>EXPIREAT \u7684\u4f5c\u7528\u548c EXPIRE \u7c7b\u4f3c\uff0c\u90fd\u7528\u4e8e\u4e3a key \u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3002 \u4e0d\u540c\u5728\u4e8e EXPIREAT \u547d\u4ee4\u63a5\u53d7\u7684\u65f6\u95f4\u53c2\u6570\u662f UNIX \u65f6\u95f4\u6233(unix timestamp)<\/td>\n<\/tr>\n<tr>\n<td>PEXPIREAT key milliseconds-timestamp<\/td>\n<td>\u8bbe\u7f6e key \u8fc7\u671f\u65f6\u95f4\u7684\u65f6\u95f4\u6233(unix timestamp) \u4ee5\u6beb\u79d2\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>TTL key<\/td>\n<td>\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff0c\u8fd4\u56de\u7ed9\u5b9a key \u7684\u5269\u4f59\u751f\u5b58\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td>PTTL key<\/td>\n<td>\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u8fd4\u56de key \u7684\u5269\u4f59\u7684\u8fc7\u671f\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td>PERSIST key<\/td>\n<td>\u79fb\u9664 key \u7684\u8fc7\u671f\u65f6\u95f4\uff0ckey \u5c06\u6301\u4e45\u4fdd\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444163aeb6c9ecf57.png\" class=\"aligncenter\"><\/p>\n<h3>3\u3001\u67e5\u8be2\u6a21\u5f0f<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>keys pattern<\/td>\n<td>\u67e5\u8be2key<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u67e5\u8be2\u6a21\u5f0f\u89c4\u5219\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444263aeb6ca7827e.png\" class=\"aligncenter\"><\/p>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444263aeb6caeb519.png\" class=\"aligncenter\"><\/p>\n<h3>4\u3001\u5176\u5b83\u64cd\u4f5c<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>rename key newkey<\/td>\n<td>\u4e3akey\u6539\u540d<\/td>\n<\/tr>\n<tr>\n<td>renamenx key newkey<\/td>\n<td>\u4ec5\u5f53 newkey \u4e0d\u5b58\u5728\u65f6\uff0c\u5c06 key \u6539\u540d\u4e3a newkey<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444363aeb6cb8fa1a.png\" class=\"aligncenter\"><\/p>\n<h2>\u4e8c\u3001\u6570\u636e\u5e93\u901a\u7528\u6307\u4ee4<\/h2>\n<ul>\n<li>redis\u4e3a\u6bcf\u4e2a\u670d\u52a1\u63d0\u4f9b\u670916\u4e2a\u6570\u636e\u5e93\uff0c\u7f16\u53f7\u4ece0\u523015<\/li>\n<li>\u6bcf\u4e2a\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u76f8\u4e92\u72ec\u7acb<\/li>\n<\/ul>\n<h3>1\u3001\u57fa\u672c\u64cd\u4f5c<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>select index<\/td>\n<td>\u5207\u6362\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td>quit<\/td>\n<td>\u9000\u51fa<\/td>\n<\/tr>\n<tr>\n<td>ping<\/td>\n<td>\u6d4b\u8bd5\u8fde\u63a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444463aeb6cc086c1.png\" class=\"aligncenter\"><\/p>\n<h3>2\u3001\u76f8\u5173\u64cd\u4f5c<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>move key db<\/td>\n<td>\u6570\u636e\u79fb\u52a8<\/td>\n<\/tr>\n<tr>\n<td>dbsize<\/td>\n<td>\u6bcf\u4e2a\u6570\u636e\u5e93\u6709\u591a\u5c11key<\/td>\n<\/tr>\n<tr>\n<td>flushdb<\/td>\n<td>\u6e05\u7a7a\u5f53\u524d\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td>flushall<\/td>\n<td>\u6e05\u7a7a\u6240\u6709\u6570\u636e\u5e93<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6f14\u793a\u7ed3\u679c\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167239444463aeb6cc9988d.png\" class=\"aligncenter\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u4e2d\u952e\u548c\u6570\u636e\u5e93\u901a\u7528\u6307\u4ee4\u8be6&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201152","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201152","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201152"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201152\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}