{"id":125671,"date":"2024-10-26T00:12:14","date_gmt":"2024-10-25T16:12:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125671\/"},"modified":"2024-10-26T00:12:15","modified_gmt":"2024-10-25T16:12:15","slug":"redis-%e5%88%a9%e7%94%a8%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6%e5%af%a6%e7%8f%be%e6%8f%90%e9%86%92%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125671\/","title":{"rendered":"Redis \u5229\u7528\u8d85\u6642\u6a5f\u5236\u5be6\u73fe\u63d0\u9192\u529f\u80fd"},"content":{"rendered":"<h1 id=\"redis-%e5%88%a9%e7%94%a8%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6%e5%af%a6%e7%8f%be%e6%8f%90%e9%86%92%e5%8a%9f%e8%83%bd-deRqqnFrjd\">Redis \u5229\u7528\u8d85\u6642\u6a5f\u5236\u5be6\u73fe\u63d0\u9192\u529f\u80fd<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u63d0\u9192\u529f\u80fd\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7d44\u4ef6\uff0c\u7121\u8ad6\u662f\u7528\u65bc\u4efb\u52d9\u7ba1\u7406\u3001\u65e5\u66c6\u4e8b\u4ef6\u9084\u662f\u5176\u4ed6\u9700\u8981\u6642\u9593\u7ba1\u7406\u7684\u5834\u666f\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5be6\u73fe\u9019\u4e9b\u9700\u6c42\uff0c\u5176\u4e2d\u8d85\u6642\u6a5f\u5236\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u7279\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u7684\u8d85\u6642\u6a5f\u5236\u4f86\u5be6\u73fe\u63d0\u9192\u529f\u80fd\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6-deRqqnFrjd\">Redis \u7684\u8d85\u6642\u6a5f\u5236<\/h2>\n<p>Redis \u5141\u8a31\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u9375\u9054\u5230\u5176\u8a2d\u5b9a\u7684\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis \u5c07\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002\u9019\u4e00\u7279\u6027\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5b9a\u6642\u63d0\u9192\u7684\u529f\u80fd\u3002\u901a\u904e\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u6642\u9593\u9ede\u81ea\u52d5\u89f8\u767c\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-deRqqnFrjd\">\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET reminder:1 \"Meeting with client\"\nEXPIRE reminder:1 3600  # \u8a2d\u7f6e\u8a72\u63d0\u9192\u5728\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u9375 <code>reminder:1<\/code>\uff0c\u4e26\u5c07\u5176\u8a2d\u7f6e\u70ba\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\u3002\u9019\u6a23\uff0c\u7576\u4e00\u5c0f\u6642\u904e\u53bb\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e6%8f%90%e9%86%92%e5%8a%9f%e8%83%bd%e7%9a%84%e6%ad%a5%e9%a9%9f-deRqqnFrjd\">\u5be6\u73fe\u63d0\u9192\u529f\u80fd\u7684\u6b65\u9a5f<\/h2>\n<p>\u8981\u5be6\u73fe\u4e00\u500b\u5b8c\u6574\u7684\u63d0\u9192\u529f\u80fd\uff0c\u6211\u5011\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<ul>\n<li><strong>\u6b65\u9a5f 1\uff1a<\/strong> \u63a5\u6536\u7528\u6236\u7684\u63d0\u9192\u8acb\u6c42\uff0c\u5305\u62ec\u63d0\u9192\u5167\u5bb9\u548c\u63d0\u9192\u6642\u9593\u3002<\/li>\n<li><strong>\u6b65\u9a5f 2\uff1a<\/strong> \u8a08\u7b97\u5f9e\u7576\u524d\u6642\u9593\u5230\u63d0\u9192\u6642\u9593\u7684\u5dee\u503c\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u79d2\u6578\u3002<\/li>\n<li><strong>\u6b65\u9a5f 3\uff1a<\/strong> \u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\u5c07\u63d0\u9192\u5167\u5bb9\u5b58\u5132\u5230 Redis \u4e2d\uff0c\u4e26\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/li>\n<li><strong>\u6b65\u9a5f 4\uff1a<\/strong> \u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u8a2d\u7f6e\u4e00\u500b\u76e3\u807d\u5668\uff0c\u7576\u9375\u904e\u671f\u6642\u89f8\u767c\u63d0\u9192\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-deRqqnFrjd\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u63d0\u9192\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef set_reminder(reminder_id, message, delay):\n    r.set(reminder_id, message)\n    r.expire(reminder_id, delay)\n\ndef check_reminders():\n    while True:\n        for key in r.keys(\"reminder:*\"):\n            if r.exists(key):\n                print(f\"Reminder: {r.get(key).decode('utf-8')}\")\n                r.delete(key)  # \u522a\u9664\u5df2\u7d93\u89f8\u767c\u7684\u63d0\u9192\n        time.sleep(60)  # \u6bcf\u5206\u9418\u6aa2\u67e5\u4e00\u6b21\n\n# \u8a2d\u7f6e\u4e00\u500b\u63d0\u9192\nset_reminder(\"reminder:1\", \"Meeting with client\", 3600)\n\n# \u958b\u59cb\u6aa2\u67e5\u63d0\u9192\ncheck_reminders()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u63d0\u9192\u7cfb\u7d71\uff0c\u7576\u63d0\u9192\u5230\u671f\u6642\uff0c\u5c07\u6703\u6253\u5370\u51fa\u63d0\u9192\u5167\u5bb9\u4e26\u522a\u9664\u8a72\u9375\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-deRqqnFrjd\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528 Redis \u7684\u8d85\u6642\u6a5f\u5236\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u4e00\u500b\u9ad8\u6548\u7684\u63d0\u9192\u529f\u80fd\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u7528\uff0c\u800c\u4e14\u80fd\u5920\u5145\u5206\u5229\u7528 Redis \u7684\u6027\u80fd\u512a\u52e2\uff0c\u9069\u5408\u7528\u65bc\u5404\u7a2e\u9700\u8981\u5b9a\u6642\u63d0\u9192\u7684\u61c9\u7528\u5834\u666f\u3002\u7121\u8ad6\u662f\u500b\u4eba\u4efb\u52d9\u7ba1\u7406\u9084\u662f\u4f01\u696d\u7d1a\u61c9\u7528\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-deRqqnFrjd\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u8d85\u6642\u6a5f\u5236\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u63d0\u9192\u529f\u80fd\u3002\u901a\u904e\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u6211\u5011\u53ef\u4ee5\u81ea\u52d5\u7ba1\u7406\u63d0\u9192\u7684\u751f\u547d\u9031\u671f\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u7684\u8d85\u6642\u6a5f\u5236\u5be6\u73fe\u9ad8\u6548\u7684\u63d0\u9192\u529f\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u7528\u6236\u9ad4\u9a57\u8207\u6548\u7387\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-125671","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125671","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=125671"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125671\/revisions"}],"predecessor-version":[{"id":125672,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125671\/revisions\/125672"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}