{"id":124725,"date":"2024-10-25T16:38:38","date_gmt":"2024-10-25T08:38:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124725\/"},"modified":"2024-10-25T16:38:39","modified_gmt":"2024-10-25T08:38:39","slug":"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e6%9c%89%e5%95%8f%e9%a1%8c%e5%97%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124725\/","title":{"rendered":"Redis \u8a08\u6578\u5668\u6709\u554f\u984c\u55ce"},"content":{"rendered":"<h1 id=\"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e6%9c%89%e5%95%8f%e9%a1%8c%e5%97%8e-birNOCxTgZ\">Redis \u8a08\u6578\u5668\u6709\u554f\u984c\u55ce<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u8a08\u6578\u5668\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u7528\u65bc\u8ffd\u8e64\u7528\u6236\u884c\u70ba\u3001\u8a08\u7b97\u8a2a\u554f\u6b21\u6578\uff0c\u9084\u662f\u7ba1\u7406\u8cc7\u6e90\u7684\u4f7f\u7528\u60c5\u6cc1\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u7d93\u5e38\u88ab\u7528\u4f86\u5be6\u73fe\u8a08\u6578\u5668\u529f\u80fd\u3002\u7136\u800c\uff0c\u4f7f\u7528 Redis \u4f5c\u70ba\u8a08\u6578\u5668\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-birNOCxTgZ\">Redis \u8a08\u6578\u5668\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u5c31\u662f\u5b57\u7b26\u4e32\uff08String\uff09\u3002\u8a08\u6578\u5668\u901a\u5e38\u662f\u901a\u904e\u5c0d\u5b57\u7b26\u4e32\u9032\u884c\u81ea\u589e\uff08INCR\uff09\u64cd\u4f5c\u4f86\u5be6\u73fe\u7684\u3002\u9019\u7a2e\u65b9\u6cd5\u7c21\u55ae\u4e14\u9ad8\u6548\uff0c\u9069\u5408\u7528\u65bc\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002<\/p>\n<pre><code>INCR my_counter<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u6703\u5c07\u9375\u540d\u70ba <code>my_counter<\/code> \u7684\u503c\u81ea\u589e 1\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u521d\u59cb\u5316\u70ba 0\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-birNOCxTgZ\">\u5e38\u898b\u554f\u984c<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1-birNOCxTgZ\">1. \u6578\u64da\u4e1f\u5931<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u8a08\u6578\u5668\u7684\u6578\u64da\u4e1f\u5931\u662f\u4e00\u500b\u5e38\u898b\u554f\u984c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u591a\u500b\u8acb\u6c42\u540c\u6642\u5c0d\u540c\u4e00\u8a08\u6578\u5668\u9032\u884c\u81ea\u589e\u64cd\u4f5c\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u67d0\u4e9b\u64cd\u4f5c\u88ab\u8986\u84cb\uff0c\u5f9e\u800c\u5c0e\u81f4\u8a08\u6578\u4e0d\u6e96\u78ba\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528 Redis \u7684\u4e8b\u52d9\uff08MULTI\/EXEC\uff09\u6642\uff0c\u56e0\u70ba\u4e8b\u52d9\u4e26\u4e0d\u4fdd\u8b49\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u539f\u5b50\u6027\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e4%b8%8d%e4%b8%80%e8%87%b4-birNOCxTgZ\">2. \u6578\u64da\u4e0d\u4e00\u81f4<\/h3>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8a08\u6578\u5668\u7684\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u4e5f\u4e0d\u5bb9\u5ffd\u8996\u3002\u5982\u679c\u591a\u500b\u5be6\u4f8b\u540c\u6642\u5c0d\u8a08\u6578\u5668\u9032\u884c\u64cd\u4f5c\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u9019\u662f\u56e0\u70ba\u6bcf\u500b\u5be6\u4f8b\u90fd\u53ef\u80fd\u6709\u81ea\u5df1\u7684\u7de9\u5b58\uff0c\u4e26\u4e14\u5728\u66f4\u65b0\u8a08\u6578\u5668\u6642\u672a\u80fd\u53ca\u6642\u540c\u6b65\u3002<\/p>\n<h3 id=\"3-%e6%80%a7%e8%83%bd%e7%93%b6%e9%a0%b8-birNOCxTgZ\">3. \u6027\u80fd\u74f6\u9838<\/h3>\n<p>\u96d6\u7136 Redis \u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u4f46\u5728\u6975\u7aef\u7684\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u8a08\u6578\u5668\u7684\u6027\u80fd\u4ecd\u7136\u53ef\u80fd\u6210\u70ba\u74f6\u9838\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u983b\u7e41\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u4e2d\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u6642\u9593\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-birNOCxTgZ\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-birNOCxTgZ\">1. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>\u70ba\u4e86\u89e3\u6c7a\u6578\u64da\u4e1f\u5931\u548c\u4e0d\u4e00\u81f4\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis \u7684 Lua \u8173\u672c\u3002Lua \u8173\u672c\u53ef\u4ee5\u5728 Redis \u670d\u52d9\u5668\u7aef\u57f7\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>eval \"return redis.call('incr', KEYS[1])\" 1 my_counter<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u57f7\u884c\u81ea\u589e\u64cd\u4f5c\u6642\uff0c\u4e0d\u6703\u53d7\u5230\u5176\u4ed6\u8acb\u6c42\u7684\u5f71\u97ff\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-birNOCxTgZ\">2. \u4f7f\u7528\u5206\u4f48\u5f0f\u9396<\/h3>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u5206\u4f48\u5f0f\u9396\u4f86\u78ba\u4fdd\u8a08\u6578\u5668\u7684\u64cd\u4f5c\u662f\u5b89\u5168\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u500b\u5be6\u4f8b\u540c\u6642\u5c0d\u8a08\u6578\u5668\u9032\u884c\u64cd\u4f5c\uff0c\u5f9e\u800c\u6e1b\u5c11\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u98a8\u96aa\u3002<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 5\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u9396\uff0c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9632\u6b62\u6b7b\u9396\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-birNOCxTgZ\">3. \u512a\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u8a08\u6578\u5668\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Redis \u7684\u54c8\u5e0c\uff08Hash\uff09\u7d50\u69cb\u4f86\u5b58\u5132\u591a\u500b\u8a08\u6578\u5668\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u55ae\u4e00\u9375\u7684\u7af6\u722d\u3002<\/p>\n<pre><code>HINCRBY my_counters user1 1<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u540c\u4e00\u500b\u54c8\u5e0c\u4e2d\u5b58\u5132\u591a\u500b\u8a08\u6578\u5668\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-birNOCxTgZ\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u8a08\u6578\u5668\u89e3\u6c7a\u65b9\u6848\uff0c\u96d6\u7136\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u6578\u64da\u4e1f\u5931\u3001\u4e0d\u4e00\u81f4\u548c\u6027\u80fd\u74f6\u9838\u7b49\u554f\u984c\uff0c\u4f46\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\u3001\u5206\u4f48\u5f0f\u9396\u548c\u512a\u5316\u6578\u64da\u7d50\u69cb\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u8a08\u6578\u5668\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u67b6\u69cb\u548c\u6280\u8853\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u8a08\u6578\u5668\u53ef\u80fd\u51fa\u73fe\u554f\u984c\uff0c\u5982\u6578\u64da\u4e1f\u5931\u3001\u4e26\u767c\u932f\u8aa4\u6216\u6027\u80fd\u74f6\u9838\uff0c\u9700\u6aa2\u67e5\u914d\u7f6e\u548c\u4f7f\u7528\u60c5\u6cc1\u4ee5\u78ba\u4fdd\u7a69\u5b9a\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-124725","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124725","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=124725"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124725\/revisions"}],"predecessor-version":[{"id":124726,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124725\/revisions\/124726"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}