{"id":161699,"date":"2024-11-04T08:36:37","date_gmt":"2024-11-04T00:36:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161699\/"},"modified":"2024-11-04T08:36:38","modified_gmt":"2024-11-04T00:36:38","slug":"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%88redis-%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161699\/","title":{"rendered":"\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff08redis \u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%88redis-%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%89-IPlHNWpuEF\">\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff08redis \u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6d88\u606f\u50b3\u905e\u548c\u8655\u7406\u7684\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u5fae\u670d\u52d9\u67b6\u69cb\u7684\u666e\u53ca\uff0c\u6d88\u606f\u968a\u5217\u548c\u8a02\u95b1\u6a21\u5f0f\u6210\u70ba\u4e86\u7cfb\u7d71\u9593\u901a\u4fe1\u7684\u4e3b\u8981\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u5728\u9019\u4e9b\u7cfb\u7d71\u4e2d\uff0c\u91cd\u8907\u6d88\u606f\u7684\u8655\u7406\u5f80\u5f80\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6027\u548c\u8cc7\u6e90\u6d6a\u8cbb\u3002\u56e0\u6b64\uff0c\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\u7684\u6280\u8853\u9010\u6f38\u53d7\u5230\u91cd\u8996\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%9f-IPlHNWpuEF\">\u4ec0\u9ebc\u662f\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff1f<\/h2>\n<p>\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\u662f\u6307\u5728\u6d88\u606f\u50b3\u905e\u904e\u7a0b\u4e2d\uff0c\u5c0d\u65bc\u76f8\u540c\u7684\u6d88\u606f\uff0c\u53ea\u9032\u884c\u4e00\u6b21\u8655\u7406\uff0c\u907f\u514d\u91cd\u8907\u6d88\u8cbb\u3002\u9019\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u91cd\u8907\u7684\u6d88\u606f\u53ef\u80fd\u6703\u5c0e\u81f4\u91cd\u8907\u7684\u64cd\u4f5c\uff0c\u9032\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-IPlHNWpuEF\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\u3002\u4ee5\u4e0b\u662f\u9078\u64c7 Redis \u7684\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6642\u80fd\u5920\u4fdd\u6301\u4f4e\u5ef6\u9072\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\u9748\u6d3b\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u65b9\u4fbf\u7528\u6236\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7d50\u69cb\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis \u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e6%b6%88%e6%81%af%e8%a8%82%e9%96%b1%e5%8e%bb%e9%87%8d%ef%bc%9f-IPlHNWpuEF\">\u5982\u4f55\u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff1f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\u7684\u57fa\u672c\u601d\u8def\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%b6%88%e6%81%af%e7%b5%90%e6%a7%8b-IPlHNWpuEF\">1. \u8a2d\u8a08\u6d88\u606f\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u5408\u9069\u7684\u6d88\u606f\u7d50\u69cb\uff0c\u901a\u5e38\u5305\u62ec\u6d88\u606f ID\u3001\u5167\u5bb9\u3001\u6642\u9593\u6233\u7b49\u4fe1\u606f\u3002\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5f8c\u7e8c\u7684\u53bb\u91cd\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e9%9b%86%e5%90%88%e9%80%b2%e8%a1%8c%e5%8e%bb%e9%87%8d-IPlHNWpuEF\">2. \u4f7f\u7528 Redis \u96c6\u5408\u9032\u884c\u53bb\u91cd<\/h3>\n<p>\u53ef\u4ee5\u5229\u7528 Redis \u7684\u96c6\u5408\uff08Set\uff09\u4f86\u5b58\u5132\u5df2\u8655\u7406\u7684\u6d88\u606f ID\u3002\u7576\u63a5\u6536\u5230\u65b0\u6d88\u606f\u6642\uff0c\u9996\u5148\u6aa2\u67e5\u8a72\u6d88\u606f ID \u662f\u5426\u5df2\u5b58\u5728\u65bc\u96c6\u5408\u4e2d\uff1a<\/p>\n<pre><code>SETNX message:processed:{message_id} 1<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba 1\uff0c\u5247\u8868\u793a\u8a72\u6d88\u606f ID \u5c1a\u672a\u8655\u7406\uff0c\u53ef\u4ee5\u9032\u884c\u5f8c\u7e8c\u64cd\u4f5c\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba 0\uff0c\u5247\u8868\u793a\u8a72\u6d88\u606f\u5df2\u7d93\u8655\u7406\u904e\uff0c\u61c9\u8a72\u88ab\u4e1f\u68c4\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-IPlHNWpuEF\">3. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u96c6\u5408\u7121\u9650\u589e\u9577\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u6d88\u606f ID \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6bcf\u500b\u8655\u7406\u904e\u7684\u6d88\u606f ID\uff0c\u53ef\u4ee5\u8a2d\u7f6e 1 \u5c0f\u6642\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE message:processed:{message_id} 3600<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\uff0c\u904e\u671f\u7684\u6d88\u606f ID \u6703\u81ea\u52d5\u88ab\u522a\u9664\uff0c\u4fdd\u6301\u96c6\u5408\u7684\u5927\u5c0f\u5728\u5408\u7406\u7bc4\u570d\u5167\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-IPlHNWpuEF\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u9032\u884c\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef process_message(message_id, message_content):\n    # \u5617\u8a66\u5c07\u6d88\u606f ID \u5b58\u5165\u96c6\u5408\n    if r.setnx(f'message:processed:{message_id}', 1):\n        # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        r.expire(f'message:processed:{message_id}', 3600)\n        # \u8655\u7406\u6d88\u606f\n        print(f'Processing message: {message_content}')\n    else:\n        print(f'Message {message_id} has already been processed.')\n\n# \u6e2c\u8a66\nprocess_message('1', 'Hello World!')\nprocess_message('1', 'Hello Again!')<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IPlHNWpuEF\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u6e1b\u5c11\u91cd\u8907\u6d88\u606f\u7684\u8655\u7406\uff0c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u6d88\u606f\u7d50\u69cb\u3001\u4f7f\u7528 Redis \u96c6\u5408\u9032\u884c\u53bb\u91cd\u4ee5\u53ca\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6d88\u606f\u7684\u8655\u7406\u904e\u7a0b\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\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u8a02\u95b1\u53bb\u91cd\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u907f\u514d\u91cd\u8907\u6d88\u606f\u8655\u7406\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u5373\u6642\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-161699","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161699","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=161699"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161699\/revisions"}],"predecessor-version":[{"id":161700,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161699\/revisions\/161700"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}