{"id":126137,"date":"2024-10-26T02:12:19","date_gmt":"2024-10-25T18:12:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126137\/"},"modified":"2024-10-26T02:12:20","modified_gmt":"2024-10-25T18:12:20","slug":"redis-%e9%8f%88%e8%a1%a8%e5%85%83%e7%b4%a0%e8%a8%aa%e5%95%8f%e9%80%b2%e8%a1%8c%e9%99%90%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126137\/","title":{"rendered":"Redis \u93c8\u8868\u5143\u7d20\u8a2a\u554f\u9032\u884c\u9650\u5236"},"content":{"rendered":"<h1 id=\"redis-%e9%8f%88%e8%a1%a8%e5%85%83%e7%b4%a0%e8%a8%aa%e5%95%8f%e9%80%b2%e8%a1%8c%e9%99%90%e5%88%b6-CgXERyTnVa\">Redis \u93c8\u8868\u5143\u7d20\u8a2a\u554f\u9032\u884c\u9650\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\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\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u93c8\u8868\uff08List\uff09\u662f\u4e00\u7a2e\u975e\u5e38\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u7d50\u69cb\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u983b\u7e41\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u7684\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5c0d\u93c8\u8868\u5143\u7d20\u7684\u8a2a\u554f\u9032\u884c\u9650\u5236\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5c0d\u93c8\u8868\u5143\u7d20\u8a2a\u554f\u9032\u884c\u9650\u5236\uff0c\u4ee5\u53ca\u9019\u6a23\u505a\u7684\u539f\u56e0\u548c\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%99%90%e5%88%b6%e9%8f%88%e8%a1%a8%e5%85%83%e7%b4%a0%e8%a8%aa%e5%95%8f-CgXERyTnVa\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9650\u5236\u93c8\u8868\u5143\u7d20\u8a2a\u554f<\/h2>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u93c8\u8868\u7684\u5927\u5c0f\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u9577\uff0c\u9019\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u5167\u5b58\u6d88\u8017\u589e\u52a0\u3002\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u904e\u5927\u7684\u93c8\u8868\u53ef\u80fd\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5c0d\u93c8\u8868\u5143\u7d20\u7684\u8a2a\u554f\u9032\u884c\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u5167\u5b58\u4f7f\u7528\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"redis-%e9%8f%88%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-CgXERyTnVa\">Redis \u93c8\u8868\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u93c8\u8868\u7684\u57fa\u672c\u64cd\u4f5c\u5305\u62ec\u6dfb\u52a0\u3001\u522a\u9664\u548c\u8a2a\u554f\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>LPUSH key value<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u93c8\u8868\u7684\u982d\u90e8\u3002<\/li>\n<li><code>RPUSH key value<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u93c8\u8868\u7684\u5c3e\u90e8\u3002<\/li>\n<li><code>LPOP key<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u93c8\u8868\u7684\u7b2c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<li><code>RPOP key<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u93c8\u8868\u7684\u6700\u5f8c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<li><code>LRANGE key start stop<\/code>\uff1a\u8fd4\u56de\u93c8\u8868\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%99%90%e5%88%b6%e9%8f%88%e8%a1%a8%e5%a4%a7%e5%b0%8f%e7%9a%84%e6%96%b9%e6%b3%95-CgXERyTnVa\">\u9650\u5236\u93c8\u8868\u5927\u5c0f\u7684\u65b9\u6cd5<\/h2>\n<p>\u8981\u5c0d Redis \u93c8\u8868\u7684\u5927\u5c0f\u9032\u884c\u9650\u5236\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%87%89%e7%94%a8%e5%b1%a4%e9%82%8f%e8%bc%af-CgXERyTnVa\">1. \u4f7f\u7528\u61c9\u7528\u5c64\u908f\u8f2f<\/h3>\n<p>\u5728\u61c9\u7528\u5c64\u4e2d\uff0c\u53ef\u4ee5\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u5143\u7d20\u4e4b\u524d\u6aa2\u67e5\u93c8\u8868\u7684\u5927\u5c0f\u3002\u5982\u679c\u93c8\u8868\u5df2\u9054\u5230\u9810\u8a2d\u7684\u6700\u5927\u5927\u5c0f\uff0c\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u6700\u820a\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nif (redis.llen(\"mylist\") &gt;= MAX_SIZE) {\n    redis.lpop(\"mylist\");\n}\nredis.rpush(\"mylist\", newValue);\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84-ltrim-%e5%91%bd%e4%bb%a4-CgXERyTnVa\">2. \u4f7f\u7528 Redis \u7684 LTRIM \u547d\u4ee4<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86 <code>LTRIM<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4f86\u4fee\u526a\u93c8\u8868\uff0c\u53ea\u4fdd\u7559\u6307\u5b9a\u7bc4\u570d\u5167\u7684\u5143\u7d20\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u5143\u7d20\u5f8c\u81ea\u52d5\u9650\u5236\u93c8\u8868\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nredis.rpush(\"mylist\", newValue);\nredis.ltrim(\"mylist\", 0, MAX_SIZE - 1);\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-CgXERyTnVa\">3. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5982\u679c\u93c8\u8868\u4e2d\u7684\u5143\u7d20\u4e0d\u9700\u8981\u6c38\u4e45\u4fdd\u5b58\uff0c\u53ef\u4ee5\u8003\u616e\u70ba\u93c8\u8868\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u7576\u93c8\u8868\u9054\u5230\u4e00\u5b9a\u7684\u5927\u5c0f\u6642\uff0c\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u904e\u671f\u7684\u5143\u7d20\uff0c\u5f9e\u800c\u63a7\u5236\u93c8\u8868\u7684\u5927\u5c0f\u3002<\/p>\n<pre><code>\nredis.expire(\"mylist\", EXPIRATION_TIME);\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-CgXERyTnVa\">\u7d50\u8ad6<\/h2>\n<p>\u5c0d\u65bc\u4f7f\u7528 Redis \u93c8\u8868\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u5c0d\u5143\u7d20\u8a2a\u554f\u9032\u884c\u9650\u5236\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u61c9\u7528\u5c64\u908f\u8f2f\u3001\u4f7f\u7528 Redis \u7684\u5167\u5efa\u547d\u4ee4\u4ee5\u53ca\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u93c8\u8868\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u4e9b\u6280\u8853\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u4ed6\u5011\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u5176\u4ed6\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u93c8\u8868\u5143\u7d20\u8a2a\u554f\u9650\u5236\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u64cd\u4f5c\u7684\u7a69\u5b9a\u6027\u8207\u5b89\u5168\u6027\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-126137","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126137","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=126137"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126137\/revisions"}],"predecessor-version":[{"id":126138,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126137\/revisions\/126138"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}