{"id":126673,"date":"2024-10-26T06:41:29","date_gmt":"2024-10-25T22:41:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126673\/"},"modified":"2024-10-26T06:41:30","modified_gmt":"2024-10-25T22:41:30","slug":"redis-%e7%9e%a5%e8%a6%8b-key-%e7%9a%84%e6%95%b8%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126673\/","title":{"rendered":"Redis \u77a5\u898b Key \u7684\u6578\u91cf"},"content":{"rendered":"<h1 id=\"redis-%e7%9e%a5%e8%a6%8b-key-%e7%9a%84%e6%95%b8%e9%87%8f-IneSbRBmEJ\">Redis \u77a5\u898b Key \u7684\u6578\u91cf<\/h1>\n<p>\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\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u4e86\u89e3 Redis \u4e2d\u7684 Key \u6578\u91cf\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u548c\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u770b Key \u7684\u6578\u91cf\uff0c\u4ee5\u53ca\u9019\u4e00\u64cd\u4f5c\u7684\u610f\u7fa9\u548c\u5be6\u7528\u6027\u3002<\/p>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84-key-%e6%95%b8%e9%87%8f-IneSbRBmEJ\">Redis \u4e2d\u7684 Key \u6578\u91cf<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cKey \u662f\u7528\u4f86\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\u3002\u6bcf\u500b Key \u90fd\u53ef\u4ee5\u5c0d\u61c9\u4e00\u500b\u503c\uff0c\u9019\u4e9b\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5c55\uff0cKey \u7684\u6578\u91cf\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u9577\uff0c\u56e0\u6b64\u5b9a\u671f\u6aa2\u67e5 Key \u7684\u6578\u91cf\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b-redis-%e4%b8%ad%e7%9a%84-key-%e6%95%b8%e9%87%8f-IneSbRBmEJ\">\u5982\u4f55\u67e5\u770b Redis \u4e2d\u7684 Key \u6578\u91cf<\/h2>\n<p>\u8981\u67e5\u770b Redis \u4e2d\u7684 Key \u6578\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-dbsize-%e5%91%bd%e4%bb%a4-IneSbRBmEJ\">1. \u4f7f\u7528 `DBSIZE` \u547d\u4ee4<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u547d\u4ee4 `DBSIZE`\uff0c\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d Key \u7684\u7e3d\u6578\u3002\u9019\u500b\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; DBSIZE\n(integer) 42\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u8fd4\u56de\u7684\u6578\u5b57\u8868\u793a\u7576\u524d\u6578\u64da\u5eab\u4e2d\u5b58\u5728 42 \u500b Key\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-scan-%e5%91%bd%e4%bb%a4-IneSbRBmEJ\">2. \u4f7f\u7528 `SCAN` \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u8a73\u7d30\u7684\u4fe1\u606f\uff0c\u6216\u8005\u60f3\u8981\u904d\u6b77\u6240\u6709\u7684 Key\uff0c\u53ef\u4ee5\u4f7f\u7528 `SCAN` \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u4e0d\u50c5\u53ef\u4ee5\u7528\u4f86\u7372\u53d6 Key \u7684\u6578\u91cf\uff0c\u9084\u53ef\u4ee5\u7528\u4f86\u7372\u53d6 Key \u7684\u5177\u9ad4\u540d\u7a31\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0\n1) \"0\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"\n   ...\n<\/code><\/pre>\n<p>`SCAN` \u547d\u4ee4\u7684\u7b2c\u4e00\u500b\u53c3\u6578\u662f\u6e38\u6a19\uff0c\u521d\u59cb\u503c\u70ba 0\u3002\u6bcf\u6b21\u8abf\u7528 `SCAN` \u90fd\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\uff0c\u76f4\u5230\u6e38\u6a19\u8fd4\u56de\u5230 0 \u70ba\u6b62\uff0c\u8868\u793a\u904d\u6b77\u5b8c\u6210\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-keys-%e5%91%bd%e4%bb%a4-IneSbRBmEJ\">3. \u4f7f\u7528 `KEYS` \u547d\u4ee4<\/h3>\n<p>\u96d6\u7136\u4e0d\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\uff0c\u4f46 `KEYS` \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709 Key\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; KEYS *\n1) \"key1\"\n2) \"key2\"\n3) \"key3\"\n...\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6240\u6709\u7684 Key\uff0c\u4f46\u5728 Key \u6578\u91cf\u975e\u5e38\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"key-%e6%95%b8%e9%87%8f%e7%9a%84%e6%84%8f%e7%be%a9-IneSbRBmEJ\">Key \u6578\u91cf\u7684\u610f\u7fa9<\/h2>\n<p>\u5b9a\u671f\u6aa2\u67e5 Redis \u4e2d\u7684 Key \u6578\u91cf\u6709\u52a9\u65bc\u7ba1\u7406\u8cc7\u6e90\u548c\u512a\u5316\u6027\u80fd\u3002\u904e\u591a\u7684 Key \u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4f7f\u7528\u904e\u9ad8\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u6b64\u5916\uff0c\u4e86\u89e3 Key \u7684\u6578\u91cf\u9084\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u6578\u64da\u6e05\u7406\u548c\u512a\u5316\u7b56\u7565\u7684\u5236\u5b9a\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-IneSbRBmEJ\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Redis \u4e2d\u67e5\u770b Key \u7684\u6578\u91cf\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528 `DBSIZE`\u3001`SCAN` \u548c `KEYS` \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316\u5176\u6578\u64da\u5b58\u5132\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5c55\uff0c\u6301\u7e8c\u76e3\u63a7 Key \u7684\u6578\u91cf\u5c07\u6709\u52a9\u65bc\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u77a5\u898b Redis \u4e2d Key \u7684\u6578\u91cf\uff0c\u8f15\u9b06\u638c\u63e1\u8cc7\u6599\u5eab\u72c0\u614b\uff0c\u512a\u5316\u6027\u80fd\u8207\u8cc7\u6e90\u7ba1\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6548\u80fd\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-126673","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126673","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=126673"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126673\/revisions"}],"predecessor-version":[{"id":126674,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126673\/revisions\/126674"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}