{"id":193715,"date":"2024-11-13T00:30:22","date_gmt":"2024-11-12T16:30:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193715\/"},"modified":"2024-11-13T00:30:23","modified_gmt":"2024-11-12T16:30:23","slug":"%e7%a0%94%e7%a9%b6redis%e7%b7%a9%e5%ad%98%e7%9a%84%e7%89%b9%e6%ae%8a%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%9a%84%e7%89%b9%e6%ae%8a%e5%a0%b4%e6%99%af%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193715\/","title":{"rendered":"\u7814\u7a76Redis\u7de9\u5b58\u7684\u7279\u6b8a\u61c9\u7528\u5834\u666f\uff08redis\u7de9\u5b58\u7684\u7279\u6b8a\u5834\u666f\uff09"},"content":{"rendered":"<h1 id=\"%e7%a0%94%e7%a9%b6redis%e7%b7%a9%e5%ad%98%e7%9a%84%e7%89%b9%e6%ae%8a%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-VpmghvBTnq\">\u7814\u7a76Redis\u7de9\u5b58\u7684\u7279\u6b8a\u61c9\u7528\u5834\u666f<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u9664\u4e86\u5e38\u898b\u7684\u7de9\u5b58\u61c9\u7528\uff0cRedis\u9084\u6709\u8a31\u591a\u7279\u6b8a\u7684\u61c9\u7528\u5834\u666f\uff0c\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u7279\u6b8a\u5834\u666f\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"1-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-VpmghvBTnq\">1. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h2>\n<p>\u5728\u9700\u8981\u5be6\u6642\u6578\u64da\u5206\u6790\u7684\u61c9\u7528\u4e2d\uff0cRedis\u53ef\u4ee5\u4f5c\u70ba\u6578\u64da\u6d41\u7684\u7de9\u5b58\u5c64\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u53ef\u4ee5\u4f7f\u7528Redis\u4f86\u5b58\u5132\u7528\u6236\u7684\u5373\u6642\u4e92\u52d5\u6578\u64da\uff0c\u5982\u9ede\u8b9a\u3001\u8a55\u8ad6\u548c\u5206\u4eab\u3002\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u5feb\u901f\u5beb\u5165Redis\uff0c\u4e26\u901a\u904eRedis\u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd\uff0c\u5be6\u6642\u63a8\u9001\u7d66\u5176\u4ed6\u7528\u6236\u3002<\/p>\n<pre><code>SET user:1000:likes 10\nINCR user:1000:likes\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u80051000\u7684\u9ede\u8b9a\u6578\u91cf\u88ab\u5b58\u5132\u5728Redis\u4e2d\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904eINCR\u547d\u4ee4\u5feb\u901f\u66f4\u65b0\u3002<\/p>\n<h2 id=\"2-%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%92%8c%e8%a8%88%e6%95%b8%e5%99%a8-VpmghvBTnq\">2. \u6392\u884c\u699c\u548c\u8a08\u6578\u5668<\/h2>\n<p>Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u65bc\u6392\u884c\u699c\u548c\u8a08\u6578\u5668\u7684\u5be6\u73fe\u3002\u904a\u6232\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528Redis\u4f86\u7dad\u8b77\u73a9\u5bb6\u7684\u5206\u6578\u6392\u884c\u699c\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u67e5\u8a62\u548c\u66f4\u65b0\u73a9\u5bb6\u7684\u5206\u6578\u3002<\/p>\n<pre><code>ZADD leaderboard 1000 player1\nZADD leaderboard 1500 player2\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u73a9\u5bb6\u7684\u5206\u6578\u88ab\u6dfb\u52a0\u5230\u6392\u884c\u699c\u4e2d\uff0cRedis\u6703\u81ea\u52d5\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u524d\u5e7e\u540d\u7684\u73a9\u5bb6\u3002<\/p>\n<h2 id=\"3-%e6%9c%83%e8%a9%b1%e7%ae%a1%e7%90%86-VpmghvBTnq\">3. \u6703\u8a71\u7ba1\u7406<\/h2>\n<p>\u5728Web\u61c9\u7528\u4e2d\uff0c\u6703\u8a71\u7ba1\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\u3002Redis\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u7528\u6236\u7684\u6703\u8a71\u4fe1\u606f\uff0c\u56e0\u70ba\u5176\u5feb\u901f\u7684\u8b80\u53d6\u548c\u5beb\u5165\u6027\u80fd\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<pre><code>SET session:1000 \"user_data\"\nEXPIRE session:1000 3600\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7528\u62361000\u7684\u6703\u8a71\u6578\u64da\u5b58\u5132\u5728Redis\u4e2d\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u5c0f\u6642\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u7684\u6703\u8a71\uff0c\u4e26\u91cb\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"4-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-VpmghvBTnq\">4. \u5206\u5e03\u5f0f\u9396<\/h2>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u4e92\u65a5\u8a2a\u554f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u53ef\u4ee5\u7528\u4f5c\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\uff0c\u901a\u904eSETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/p>\n<pre><code>SETNX lock:resource1 \"locked\"\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba1\uff0c\u5247\u8868\u793a\u9396\u6210\u529f\u7372\u53d6\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u8cc7\u6e90\u7684\u7af6\u722d\u689d\u4ef6\u3002<\/p>\n<h2 id=\"5-%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-VpmghvBTnq\">5. \u6d88\u606f\u968a\u5217<\/h2>\n<p>Redis\u7684\u5217\u8868\uff08List\uff09\u7d50\u69cb\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6d88\u606f\u968a\u5217\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528LPUSH\u548cRPOP\u547d\u4ee4\u4f86\u5be6\u73fe\u6d88\u606f\u7684\u63a8\u9001\u548c\u6d88\u8cbb\u3002<\/p>\n<pre><code>LPUSH queue:task \"task1\"\nRPOP queue:task\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u4efb\u52d9\u8655\u7406\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VpmghvBTnq\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u7de9\u5b58\u7cfb\u7d71\uff0c\u9664\u4e86\u5e38\u898b\u7684\u7de9\u5b58\u61c9\u7528\u5916\uff0c\u9084\u5728\u5be6\u6642\u6578\u64da\u5206\u6790\u3001\u6392\u884c\u699c\u3001\u6703\u8a71\u7ba1\u7406\u3001\u5206\u5e03\u5f0f\u9396\u548c\u6d88\u606f\u968a\u5217\u7b49\u7279\u6b8a\u5834\u666f\u4e2d\u5c55\u73fe\u4e86\u5176\u5f37\u5927\u7684\u529f\u80fd\u3002\u9019\u4e9b\u61c9\u7528\u5834\u666f\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u589e\u5f37\u4e86\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u642d\u914dRedis\uff0c\u53ef\u4ee5\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u548c\u61c9\u7528\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7de9\u5b58\u5728\u7279\u6b8a\u61c9\u7528\u5834\u666f\u4e2d\u7684\u7368\u7279\u512a\u52e2\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u89e3\u6c7a\u9ad8\u4e26\u767c\u548c\u6578\u64da\u4e00\u81f4\u6027\u6311\u6230\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-193715","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193715","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=193715"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193715\/revisions"}],"predecessor-version":[{"id":193716,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193715\/revisions\/193716"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}