{"id":132975,"date":"2024-10-30T22:30:20","date_gmt":"2024-10-30T14:30:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/132975\/"},"modified":"2024-10-30T22:30:21","modified_gmt":"2024-10-30T14:30:21","slug":"redis%e6%b6%88%e6%81%af%e7%99%bc%e9%80%81%e4%b8%ad%e7%9a%84%e9%87%8d%e8%a4%87%e4%bf%a1%e6%81%af%e8%99%95%e7%90%86%ef%bc%88redis%e6%b6%88%e6%81%af%e9%87%8d%e8%a4%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/132975\/","title":{"rendered":"Redis\u6d88\u606f\u767c\u9001\u4e2d\u7684\u91cd\u8907\u4fe1\u606f\u8655\u7406\uff08redis\u6d88\u606f\u91cd\u8907\uff09"},"content":{"rendered":"<h1 id=\"redis%e6%b6%88%e6%81%af%e7%99%bc%e9%80%81%e4%b8%ad%e7%9a%84%e9%87%8d%e8%a4%87%e4%bf%a1%e6%81%af%e8%99%95%e7%90%86%ef%bc%88redis%e6%b6%88%e6%81%af%e9%87%8d%e8%a4%87%ef%bc%89-FjydpNksfg\">Redis\u6d88\u606f\u767c\u9001\u4e2d\u7684\u91cd\u8907\u4fe1\u606f\u8655\u7406\uff08redis\u6d88\u606f\u91cd\u8907\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6d88\u606f\u968a\u5217\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5e38\u88ab\u7528\u4f5c\u6d88\u606f\u968a\u5217\u3002\u7136\u800c\uff0c\u5728\u6d88\u606f\u50b3\u905e\u904e\u7a0b\u4e2d\uff0c\u91cd\u8907\u6d88\u606f\u7684\u554f\u984c\u537b\u662f\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u6d88\u606f\u767c\u9001\u4e2d\u7684\u91cd\u8907\u4fe1\u606f\u8655\u7406\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e9%87%8d%e8%a4%87%e6%b6%88%e6%81%af%e7%9a%84%e6%88%90%e5%9b%a0-FjydpNksfg\">\u91cd\u8907\u6d88\u606f\u7684\u6210\u56e0<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u91cd\u8907\u6d88\u606f\u7684\u7522\u751f\u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u5728\u7db2\u7d61\u4e0d\u7a69\u5b9a\u7684\u60c5\u6cc1\u4e0b\uff0c\u6d88\u606f\u53ef\u80fd\u6703\u88ab\u91cd\u767c\uff0c\u5c0e\u81f4\u63a5\u6536\u65b9\u6536\u5230\u91cd\u8907\u7684\u6d88\u606f\u3002<\/li>\n<li><strong>\u6d88\u8cbb\u8005\u91cd\u8a66\uff1a<\/strong>\u5982\u679c\u6d88\u8cbb\u8005\u5728\u8655\u7406\u6d88\u606f\u6642\u767c\u751f\u932f\u8aa4\uff0c\u53ef\u80fd\u6703\u91cd\u8a66\u8655\u7406\uff0c\u9019\u4e5f\u6703\u5c0e\u81f4\u91cd\u8907\u6d88\u606f\u7684\u51fa\u73fe\u3002<\/li>\n<li><strong>\u6d88\u606f\u6301\u4e45\u5316\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6d88\u606f\u53ef\u80fd\u6703\u88ab\u6301\u4e45\u5316\u5230\u78c1\u789f\u4e2d\uff0c\u7136\u5f8c\u518d\u6b21\u88ab\u8b80\u53d6\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u91cd\u8907\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%87%8d%e8%a4%87%e6%b6%88%e6%81%af%e7%9a%84%e5%bd%b1%e9%9f%bf-FjydpNksfg\">\u91cd\u8907\u6d88\u606f\u7684\u5f71\u97ff<\/h2>\n<p>\u91cd\u8907\u6d88\u606f\u7684\u5b58\u5728\u53ef\u80fd\u6703\u5c0d\u7cfb\u7d71\u9020\u6210\u591a\u65b9\u9762\u7684\u5f71\u97ff\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\u6027\uff1a<\/strong>\u91cd\u8907\u6d88\u606f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u8655\u7406\u91cd\u8907\u6d88\u606f\u6703\u6d88\u8017\u984d\u5916\u7684\u8a08\u7b97\u8cc7\u6e90\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u696d\u52d9\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u67d0\u4e9b\u696d\u52d9\u908f\u8f2f\u53ef\u80fd\u6703\u56e0\u70ba\u91cd\u8907\u6d88\u606f\u800c\u51fa\u73fe\u932f\u8aa4\uff0c\u5c0e\u81f4\u7528\u6236\u9ad4\u9a57\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%87%8d%e8%a4%87%e6%b6%88%e6%81%af%e7%9a%84%e8%99%95%e7%90%86%e7%ad%96%e7%95%a5-FjydpNksfg\">\u91cd\u8907\u6d88\u606f\u7684\u8655\u7406\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5730\u8655\u7406Redis\u4e2d\u7684\u91cd\u8907\u6d88\u606f\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e6%b6%88%e6%81%af%e5%8e%bb%e9%87%8d-FjydpNksfg\">1. \u6d88\u606f\u53bb\u91cd<\/h3>\n<p>\u5728\u6d88\u606f\u767c\u9001\u6642\uff0c\u53ef\u4ee5\u70ba\u6bcf\u689d\u6d88\u606f\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff08\u5982UUID\uff09\u3002\u63a5\u6536\u65b9\u5728\u8655\u7406\u6d88\u606f\u6642\uff0c\u9996\u5148\u6aa2\u67e5\u8a72\u6a19\u8b58\u7b26\u662f\u5426\u5df2\u7d93\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u5ffd\u7565\u8a72\u6d88\u606f\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u9032\u884c\u8655\u7406\u4e26\u5c07\u6a19\u8b58\u7b26\u8a18\u9304\u4e0b\u4f86\u3002<\/p>\n<pre><code>function processMessage(message) {\n    const messageId = message.id;\n    if (hasProcessed(messageId)) {\n        return; \/\/ \u5ffd\u7565\u91cd\u8907\u6d88\u606f\n    }\n    \/\/ \u8655\u7406\u6d88\u606f\u908f\u8f2f\n    markAsProcessed(messageId);\n}<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e7%9a%84set%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-FjydpNksfg\">2. \u4f7f\u7528Redis\u7684Set\u6578\u64da\u7d50\u69cb<\/h3>\n<p>Redis\u7684Set\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u5df2\u8655\u7406\u7684\u6d88\u606f\u6a19\u8b58\u7b26\u3002\u7576\u63a5\u6536\u5230\u65b0\u6d88\u606f\u6642\uff0c\u53ef\u4ee5\u6aa2\u67e5\u8a72\u6a19\u8b58\u7b26\u662f\u5426\u5df2\u5b58\u5728\u65bcSet\u4e2d\u3002<\/p>\n<pre><code>const messageId = message.id;\nif (await redis.sismember('processed_messages', messageId)) {\n    return; \/\/ \u5ffd\u7565\u91cd\u8907\u6d88\u606f\n}\nawait redis.sadd('processed_messages', messageId);\n\/\/ \u8655\u7406\u6d88\u606f\u908f\u8f2f<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-FjydpNksfg\">3. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62Set\u7121\u9650\u589e\u9577\uff0c\u53ef\u4ee5\u70ba\u5df2\u8655\u7406\u7684\u6d88\u606f\u6a19\u8b58\u7b26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u6e05\u9664\u904e\u671f\u7684\u6a19\u8b58\u7b26\uff0c\u4fdd\u6301\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<pre><code>await redis.sadd('processed_messages', messageId);\nawait redis.expire('processed_messages', 3600); \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-FjydpNksfg\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u91cd\u8907\u6d88\u606f\u7684\u8655\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u901a\u904e\u63a1\u7528\u5408\u9069\u7684\u53bb\u91cd\u7b56\u7565\u548c\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u91cd\u8907\u6d88\u606f\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bcVPS\u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u6d88\u606f\u767c\u9001\u4e2d\u7684\u91cd\u8907\u4fe1\u606f\u8655\u7406\u6280\u8853\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\uff0c\u6e1b\u5c11\u5197\u9918\u4fe1\u606f\u5f71\u97ff\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-132975","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/132975","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=132975"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/132975\/revisions"}],"predecessor-version":[{"id":132976,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/132975\/revisions\/132976"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=132975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=132975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=132975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}