{"id":195433,"date":"2024-11-13T14:57:20","date_gmt":"2024-11-13T06:57:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195433\/"},"modified":"2024-11-13T14:57:21","modified_gmt":"2024-11-13T06:57:21","slug":"%e6%9c%89%e6%95%88%e6%99%82%e9%96%93redis%e5%84%aa%e9%9b%85%e7%9a%84%e8%a8%ad%e5%ae%9akey%e7%9a%84%e6%9c%89%e6%95%88%e6%99%82%e9%95%b7%ef%bc%88redis-%e8%a8%ad%e5%ae%9akey%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195433\/","title":{"rendered":"\u6709\u6548\u6642\u9593Redis\u512a\u96c5\u7684\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\uff08redis \u8a2d\u5b9akey\uff09"},"content":{"rendered":"<h1 id=\"%e6%9c%89%e6%95%88%e6%99%82%e9%96%93redis%e5%84%aa%e9%9b%85%e7%9a%84%e8%a8%ad%e5%ae%9akey%e7%9a%84%e6%9c%89%e6%95%88%e6%99%82%e9%95%b7-VTAGCqAtLr\">\u6709\u6548\u6642\u9593Redis\u512a\u96c5\u7684\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577<\/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\u4e2d\u3002\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\uff0c\u800c\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\u5247\u662fRedis\u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u512a\u96c5\u5730\u8a2d\u5b9aRedis Key\u7684\u6709\u6548\u6642\u9577\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-VTAGCqAtLr\">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\u7b49\u3002\u5b83\u7684\u9ad8\u6548\u6027\u80fd\u4f7f\u5f97Redis\u6210\u70ba\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u591a\u7a2e\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002\u5728Redis\u4e2d\uff0cKey\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6578\u64da\u7684\uff0c\u800c\u6709\u6548\u6642\u9577\u5247\u662f\u6307Key\u5728Redis\u4e2d\u5b58\u5728\u7684\u6642\u9593\u9650\u5236\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%a8%ad%e5%ae%9akey%e7%9a%84%e6%9c%89%e6%95%88%e6%99%82%e9%95%b7-VTAGCqAtLr\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577<\/h2>\n<p>\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\u6709\u52a9\u65bc\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5806\u7a4d\u3002\u7576Key\u8d85\u904e\u5176\u6709\u6548\u6642\u9577\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72Key\uff0c\u9019\u6a23\u53ef\u4ee5\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002\u6b64\u5916\uff0c\u9019\u4e00\u7279\u6027\u4e5f\u6709\u52a9\u65bc\u5be6\u73fe\u6578\u64da\u7684\u904e\u671f\u7b56\u7565\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u6578\u64da\u662f\u6700\u65b0\u7684\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e5%ae%9akey%e7%9a%84%e6%9c%89%e6%95%88%e6%99%82%e9%95%b7-VTAGCqAtLr\">\u5982\u4f55\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u547d\u4ee4\u4f86\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>EXPIRE key seconds<\/code>\uff1a\u8a2d\u5b9aKey\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>PEXPIRE key milliseconds<\/code>\uff1a\u8a2d\u5b9aKey\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>SET key value EX seconds<\/code>\uff1a\u5728\u8a2d\u5b9aKey\u7684\u540c\u6642\uff0c\u6307\u5b9a\u5176\u6709\u6548\u6642\u9577\u3002<\/li>\n<li><code>SET key value PX milliseconds<\/code>\uff1a\u5728\u8a2d\u5b9aKey\u7684\u540c\u6642\uff0c\u6307\u5b9a\u5176\u6709\u6548\u6642\u9577\uff08\u6beb\u79d2\uff09\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b-VTAGCqAtLr\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Redis\u4e2d\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SET mykey \"Hello\" EX 10\nOK\n127.0.0.1:6379&gt; GET mykey\n\"Hello\"\n127.0.0.1:6379&gt; EXPIRE mykey 5\n(integer) 1\n127.0.0.1:6379&gt; GET mykey\n\"Hello\"\n# \u7b49\u5f855\u79d2\n127.0.0.1:6379&gt; GET mykey\n(nil)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528<code>SET<\/code>\u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500bKey\uff0c\u4e26\u8a2d\u5b9a\u5176\u6709\u6548\u6642\u9577\u70ba10\u79d2\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528<code>EXPIRE<\/code>\u547d\u4ee4\u5c07\u5176\u6709\u6548\u6642\u9577\u66f4\u6539\u70ba5\u79d2\u3002\u6700\u7d42\uff0c\u7576\u6211\u5011\u57285\u79d2\u5f8c\u5617\u8a66\u7372\u53d6\u8a72Key\u6642\uff0c\u767c\u73fe\u5b83\u5df2\u7d93\u904e\u671f\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-VTAGCqAtLr\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u6839\u64da\u61c9\u7528\u9700\u6c42\u5408\u7406\u8a2d\u5b9a\u6709\u6548\u6642\u9577\uff0c\u907f\u514d\u904e\u77ed\u6216\u904e\u9577\u7684\u6642\u9593\u9650\u5236\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u904e\u671f\u7684Key\uff0c\u4ee5\u4fdd\u6301Redis\u7684\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528<code>TTL<\/code>\u547d\u4ee4\u6aa2\u67e5Key\u7684\u5269\u9918\u6709\u6548\u6642\u9593\uff0c\u4fbf\u65bc\u7ba1\u7406\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528Redis\u7684\u6301\u4e45\u5316\u529f\u80fd\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VTAGCqAtLr\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u5b9aRedis Key\u7684\u6709\u6548\u6642\u9577\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u63a7\u5236\u5167\u5b58\u4f7f\u7528\u548c\u6578\u64da\u7684\u6709\u6548\u6027\u3002\u901a\u904e\u4f7f\u7528Redis\u63d0\u4f9b\u7684\u5404\u7a2e\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u8a2d\u5b9a\u548c\u7ba1\u7406Key\u7684\u6709\u6548\u6642\u9577\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u512a\u96c5\u5730\u8a2d\u5b9aKey\u7684\u6709\u6548\u6642\u9577\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u6700\u4f73\u5229\u7528\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-195433","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195433","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=195433"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195433\/revisions"}],"predecessor-version":[{"id":195434,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195433\/revisions\/195434"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}