{"id":188712,"date":"2024-11-12T01:08:44","date_gmt":"2024-11-11T17:08:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188712\/"},"modified":"2024-11-12T01:08:46","modified_gmt":"2024-11-11T17:08:46","slug":"%e6%8e%a2%e7%b4%a2redis%e5%af%a6%e7%8f%be%e5%b9%82%e7%ad%89%e6%80%a7%ef%bc%88%e5%b9%82%e7%ad%89%e6%80%a7-redis%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188712\/","title":{"rendered":"\u63a2\u7d22Redis\u5be6\u73fe\u5e42\u7b49\u6027\uff08\u5e42\u7b49\u6027 redis\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%b4%a2redis%e5%af%a6%e7%8f%be%e5%b9%82%e7%ad%89%e6%80%a7%ef%bc%88%e5%b9%82%e7%ad%89%e6%80%a7-redis%ef%bc%89-NqyyXfeOGM\">\u63a2\u7d22Redis\u5be6\u73fe\u5e42\u7b49\u6027\uff08\u5e42\u7b49\u6027 redis\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u5e42\u7b49\u6027\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5e42\u7b49\u6027\u6307\u7684\u662f\u4e00\u500b\u64cd\u4f5c\u53ef\u4ee5\u88ab\u91cd\u8907\u57f7\u884c\u591a\u6b21\uff0c\u800c\u4e0d\u6703\u6539\u8b8a\u7cfb\u7d71\u7684\u6700\u7d42\u72c0\u614b\u3002\u9019\u5728\u8655\u7406\u7db2\u7d61\u8acb\u6c42\u6642\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u7db2\u7d61\u6545\u969c\u6216\u91cd\u8a66\u6a5f\u5236\u53ef\u80fd\u5c0e\u81f4\u76f8\u540c\u7684\u8acb\u6c42\u88ab\u591a\u6b21\u767c\u9001\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u5e42\u7b49\u6027\uff0c\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u5e42\u7b49\u6027\u3002<\/p>\n<h2 id=\"%e5%b9%82%e7%ad%89%e6%80%a7%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NqyyXfeOGM\">\u5e42\u7b49\u6027\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5e42\u7b49\u6027\u5728API\u8a2d\u8a08\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5275\u5efa\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u6642\u3002\u8209\u4f8b\u4f86\u8aaa\uff0cHTTP\u7684PUT\u548cDELETE\u65b9\u6cd5\u61c9\u8a72\u662f\u5e42\u7b49\u7684\uff0c\u9019\u610f\u5473\u8457\u7121\u8ad6\u8acb\u6c42\u88ab\u57f7\u884c\u591a\u5c11\u6b21\uff0c\u7d50\u679c\u90fd\u61c9\u8a72\u662f\u76f8\u540c\u7684\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u6e1b\u5c11\u56e0\u91cd\u8a66\u800c\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u6027\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7-NqyyXfeOGM\">Redis\u7684\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49<\/li>\n<li>\u6301\u4e45\u5316\u9078\u9805\uff0c\u652f\u6301\u6578\u64da\u7684\u6301\u4e45\u5316\u5b58\u5132<\/li>\n<li>\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%b9%82%e7%ad%89%e6%80%a7-NqyyXfeOGM\">\u4f7f\u7528Redis\u5be6\u73fe\u5e42\u7b49\u6027<\/h2>\n<p>\u8981\u5728Redis\u4e2d\u5be6\u73fe\u5e42\u7b49\u6027\uff0c\u53ef\u4ee5\u63a1\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%94%af%e4%b8%80%e8%ab%8b%e6%b1%82id-NqyyXfeOGM\">1. \u4f7f\u7528\u552f\u4e00\u8acb\u6c42ID<\/h3>\n<p>\u6bcf\u6b21\u8acb\u6c42\u6642\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u8acb\u6c42ID\uff0c\u4e26\u5c07\u5176\u5b58\u5132\u5728Redis\u4e2d\u3002\u7576\u63a5\u6536\u5230\u8acb\u6c42\u6642\uff0c\u9996\u5148\u6aa2\u67e5\u8a72\u8acb\u6c42ID\u662f\u5426\u5df2\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\u4e4b\u524d\u7684\u7d50\u679c\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u57f7\u884c\u64cd\u4f5c\u4e26\u5c07\u8acb\u6c42ID\u5b58\u5132\u5230Redis\u4e2d\u3002<\/p>\n<pre><code>import redis\nimport uuid\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef process_request(request_id):\n    if r.exists(request_id):\n        return r.get(request_id)  # \u8fd4\u56de\u4e4b\u524d\u7684\u7d50\u679c\n    else:\n        result = perform_operation()  # \u57f7\u884c\u64cd\u4f5c\n        r.set(request_id, result)  # \u5b58\u5132\u7d50\u679c\n        return result\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%89%88%e6%9c%ac%e8%99%9f-NqyyXfeOGM\">2. \u4f7f\u7528\u7248\u672c\u865f<\/h3>\n<p>\u5c0d\u65bc\u9700\u8981\u66f4\u65b0\u7684\u8cc7\u6e90\uff0c\u53ef\u4ee5\u4f7f\u7528\u7248\u672c\u865f\u4f86\u5be6\u73fe\u5e42\u7b49\u6027\u3002\u6bcf\u6b21\u66f4\u65b0\u6642\uff0c\u6aa2\u67e5\u7248\u672c\u865f\u662f\u5426\u5339\u914d\uff0c\u53ea\u6709\u5728\u7248\u672c\u865f\u4e00\u81f4\u7684\u60c5\u6cc1\u4e0b\u624d\u9032\u884c\u66f4\u65b0\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u91cd\u8a66\u800c\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/p>\n<pre><code>def update_resource(resource_id, new_data, version):\n    current_version = r.hget(resource_id, 'version')\n    if current_version == version:\n        r.hset(resource_id, mapping=new_data)  # \u66f4\u65b0\u8cc7\u6e90\n        r.hincrby(resource_id, 'version')  # \u589e\u52a0\u7248\u672c\u865f\n        return True\n    else:\n        return False  # \u7248\u672c\u4e0d\u5339\u914d\uff0c\u62d2\u7d55\u66f4\u65b0\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-NqyyXfeOGM\">3. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u70ba\u8acb\u6c42ID\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u7121\u9650\u589e\u9577\u7684\u5b58\u5132\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u5b9a\u6642\u9593\u5167\u4fdd\u7559\u5e42\u7b49\u6027\uff0c\u904e\u671f\u5f8c\u5247\u53ef\u4ee5\u91cd\u65b0\u57f7\u884c\u64cd\u4f5c\u3002<\/p>\n<pre><code>def process_request_with_expiry(request_id):\n    if r.exists(request_id):\n        return r.get(request_id)\n    else:\n        result = perform_operation()\n        r.setex(request_id, 3600, result)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642\n        return result\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NqyyXfeOGM\">\u7e3d\u7d50<\/h2>\n<p>\u5e42\u7b49\u6027\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u91cd\u8a66\u548c\u7db2\u7d61\u6545\u969c\u7684\u60c5\u6cc1\u4e0b\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u5e42\u7b49\u6027\uff0c\u5305\u62ec\u4f7f\u7528\u552f\u4e00\u8acb\u6c42ID\u3001\u7248\u672c\u865f\u548c\u904e\u671f\u6642\u9593\u7b49\u6280\u8853\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\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\u7684Redis\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5982\u4f55\u5be6\u73fe\u5e42\u7b49\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u91cd\u8907\u8acb\u6c42\u4e0d\u5f71\u97ff\u7d50\u679c\u7684\u6700\u4f73\u5be6\u8e10\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-188712","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188712","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=188712"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188712\/revisions"}],"predecessor-version":[{"id":188713,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188712\/revisions\/188713"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}