{"id":169495,"date":"2024-11-06T19:07:18","date_gmt":"2024-11-06T11:07:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169495\/"},"modified":"2024-11-06T19:07:19","modified_gmt":"2024-11-06T11:07:19","slug":"value-%e5%88%a4%e6%96%b7-redis-%e4%b8%ad-keyvalue-%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7%ef%bc%88%e5%88%a4%e6%96%b7-redis-%e7%9a%84-key%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169495\/","title":{"rendered":"value \u5224\u65b7 Redis \u4e2d KeyValue \u7684\u6709\u6548\u6027\uff08\u5224\u65b7 redis \u7684 key\uff09"},"content":{"rendered":"<h1 id=\"%e5%83%b9%e5%80%bc%e5%88%a4%e6%96%b7-redis-%e4%b8%ad-keyvalue-%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7-zzEOnUvyLA\">\u50f9\u503c\u5224\u65b7 Redis \u4e2d KeyValue \u7684\u6709\u6548\u6027<\/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\u7b49\u3002Redis \u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u5224\u65b7 Redis \u4e2d KeyValue \u7684\u6709\u6548\u6027\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zzEOnUvyLA\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\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\u3002\u6bcf\u500b\u6578\u64da\u9805\u90fd\u7531\u4e00\u500b\u9375\uff08Key\uff09\u548c\u4e00\u500b\u503c\uff08Value\uff09\u7d44\u6210\u3002\u9375\u662f\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u800c\u503c\u5247\u662f\u8207\u8a72\u9375\u76f8\u95dc\u806f\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%a4%e6%96%b7-key-%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7-zzEOnUvyLA\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5224\u65b7 Key \u7684\u6709\u6548\u6027<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u5224\u65b7 Key \u7684\u6709\u6548\u6027\u662f\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u548c\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u7121\u6548\u7684 Key \u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u932f\u8aa4\u3001\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u7cfb\u7d71\u5d29\u6f70\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u9700\u8981\u8003\u616e\u7684\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u904e\u671f\u6642\u9593\uff1a<\/strong>Redis \u5141\u8a31\u70ba\u6bcf\u500b Key \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576 Key \u8d85\u904e\u5176\u904e\u671f\u6642\u9593\u5f8c\uff0c\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6aa2\u67e5 Key \u7684\u6709\u6548\u6027\u53ef\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u4e0d\u6703\u4f7f\u7528\u904e\u671f\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u67d0\u500b Key \u7684\u503c\u5728\u4e0d\u540c\u7684\u5be6\u4f8b\u4e2d\u4e0d\u4e00\u81f4\uff0c\u5247\u9700\u8981\u9032\u884c\u6709\u6548\u6027\u6aa2\u67e5\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u7121\u6548\u7684 Key \u6703\u4f54\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u5f71\u97ff\u6027\u80fd\u3002\u5b9a\u671f\u6e05\u7406\u7121\u6548\u7684 Key \u53ef\u4ee5\u91cb\u653e\u8cc7\u6e90\uff0c\u63d0\u9ad8\u7cfb\u7d71\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%b7-key-%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7-zzEOnUvyLA\">\u5982\u4f55\u5224\u65b7 Key \u7684\u6709\u6548\u6027<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u65b9\u6cd5\u4f86\u5224\u65b7 Key \u7684\u6709\u6548\u6027\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-ttl-%e5%91%bd%e4%bb%a4-zzEOnUvyLA\">1. \u4f7f\u7528 TTL \u547d\u4ee4<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86 TTL\uff08Time To Live\uff09\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u67d0\u500b Key \u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u5982\u679c\u8fd4\u56de\u503c\u70ba -1\uff0c\u5247\u8868\u793a\u8a72 Key \u6c38\u4e45\u6709\u6548\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba -2\uff0c\u5247\u8868\u793a\u8a72 Key \u4e0d\u5b58\u5728\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba\u6b63\u6578\uff0c\u5247\u8868\u793a\u8a72 Key \u9084\u6709\u5269\u9918\u7684\u6709\u6548\u6642\u9593\u3002<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-exists-%e5%91%bd%e4%bb%a4-zzEOnUvyLA\">2. \u4f7f\u7528 EXISTS \u547d\u4ee4<\/h3>\n<p>EXISTS \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u67d0\u500b Key \u662f\u5426\u5b58\u5728\u3002\u9019\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5feb\u901f\u5224\u65b7 Key \u7684\u6709\u6548\u6027\u3002<\/p>\n<pre><code>EXISTS mykey<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%ae%9a%e6%9c%9f%e6%8e%83%e6%8f%8f-zzEOnUvyLA\">3. \u4f7f\u7528\u5b9a\u671f\u6383\u63cf<\/h3>\n<p>\u5c0d\u65bc\u5927\u91cf\u7684 Key\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 SCAN \u547d\u4ee4\u9032\u884c\u5b9a\u671f\u6383\u63cf\uff0c\u6aa2\u67e5\u6240\u6709 Key \u7684\u6709\u6548\u6027\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709 Key \u5e36\u4f86\u7684\u6027\u80fd\u554f\u984c\u3002<\/p>\n<pre><code>SCAN 0<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-zzEOnUvyLA\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u5224\u65b7 KeyValue \u7684\u6709\u6548\u6027\u662f\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u548c\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 TTL\u3001EXISTS \u548c SCAN \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u4e2d\u7684\u6578\u64da\uff0c\u907f\u514d\u7121\u6548 Key \u5c0d\u7cfb\u7d71\u9020\u6210\u7684\u5f71\u97ff\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u4e9b\u65b9\u6cd5\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\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\u4f86\u652f\u6301\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to assess the validity of KeyValue pairs in Redis, ensuring efficient data management and optimal performance in your applications.<\/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-169495","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169495","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=169495"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169495\/revisions"}],"predecessor-version":[{"id":169496,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169495\/revisions\/169496"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}