{"id":128487,"date":"2024-10-26T14:31:19","date_gmt":"2024-10-26T06:31:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128487\/"},"modified":"2024-10-26T14:31:20","modified_gmt":"2024-10-26T06:31:20","slug":"redis-%e5%af%a6%e7%8f%be%e5%88%86%e5%b8%83%e5%bc%8f%e6%a8%82%e8%a7%80%e9%8e%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128487\/","title":{"rendered":"Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e5%88%86%e5%b8%83%e5%bc%8f%e6%a8%82%e8%a7%80%e9%8e%96-mfUQnwquYj\">Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u6a02\u89c0\u9396\u4f5c\u70ba\u4e00\u7a2e\u6709\u6548\u7684\u4e26\u767c\u63a7\u5236\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u4e0d\u9396\u5b9a\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\uff0c\u5be6\u73fe\u5c0d\u6578\u64da\u7684\u5b89\u5168\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a8%82%e8%a7%80%e9%8e%96%ef%bc%9f-mfUQnwquYj\">\u4ec0\u9ebc\u662f\u6a02\u89c0\u9396\uff1f<\/h2>\n<p>\u6a02\u89c0\u9396\u662f\u4e00\u7a2e\u5047\u8a2d\u591a\u500b\u4e8b\u52d9\u4e0d\u6703\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\u7684\u9396\u5b9a\u6a5f\u5236\u3002\u8207\u60b2\u89c0\u9396\u4e0d\u540c\uff0c\u6a02\u89c0\u9396\u4e0d\u6703\u5728\u64cd\u4f5c\u958b\u59cb\u6642\u5c31\u9396\u5b9a\u8cc7\u6e90\uff0c\u800c\u662f\u5728\u64cd\u4f5c\u7d50\u675f\u6642\u6aa2\u67e5\u6578\u64da\u662f\u5426\u88ab\u5176\u4ed6\u4e8b\u52d9\u4fee\u6539\u904e\u3002\u82e5\u6578\u64da\u672a\u88ab\u4fee\u6539\uff0c\u5247\u63d0\u4ea4\u64cd\u4f5c\uff1b\u82e5\u6578\u64da\u5df2\u88ab\u4fee\u6539\uff0c\u5247\u56de\u6efe\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e7%89%b9%e6%80%a7-mfUQnwquYj\">Redis \u7684\u7279\u6027<\/h2>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u4e26\u4e14\u5177\u5099\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002\u5176\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u5feb\u901f\u7684\u8b80\u5beb\u6027\u80fd\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis-%e5%af%a6%e7%8f%be%e5%88%86%e5%b8%83%e5%bc%8f%e6%a8%82%e8%a7%80%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-mfUQnwquYj\">Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u5176\u539f\u5b50\u6027\u64cd\u4f5c\u4f86\u5be6\u73fe\u6a02\u89c0\u9396\u3002\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5728\u64cd\u4f5c\u958b\u59cb\u6642\uff0c\u8b80\u53d6\u6578\u64da\u4e26\u7372\u53d6\u7576\u524d\u7248\u672c\u865f\u3002<\/li>\n<li>\u5728\u66f4\u65b0\u6578\u64da\u6642\uff0c\u6aa2\u67e5\u7248\u672c\u865f\u662f\u5426\u8207\u8b80\u53d6\u6642\u4e00\u81f4\u3002<\/li>\n<li>\u82e5\u4e00\u81f4\uff0c\u5247\u66f4\u65b0\u6578\u64da\u4e26\u589e\u52a0\u7248\u672c\u865f\uff1b\u82e5\u4e0d\u4e00\u81f4\uff0c\u5247\u56de\u6efe\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-mfUQnwquYj\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u7684\u9918\u984d\nuser_balance_key = \"user:1001:balance\"\nversion_key = \"user:1001:version\"\n\n# \u521d\u59cb\u5316\u9918\u984d\u548c\u7248\u672c\u865f\nr.set(user_balance_key, 100)\nr.set(version_key, 1)\n\ndef update_balance(new_balance):\n    # \u7372\u53d6\u7576\u524d\u9918\u984d\u548c\u7248\u672c\u865f\n    current_balance = int(r.get(user_balance_key))\n    current_version = int(r.get(version_key))\n\n    # \u5617\u8a66\u66f4\u65b0\u9918\u984d\n    if r.get(version_key) == str(current_version):\n        # \u66f4\u65b0\u9918\u984d\u548c\u7248\u672c\u865f\n        r.set(user_balance_key, new_balance)\n        r.incr(version_key)\n        print(\"\u9918\u984d\u66f4\u65b0\u6210\u529f\uff01\")\n    else:\n        print(\"\u9918\u984d\u66f4\u65b0\u5931\u6557\uff0c\u7248\u672c\u4e0d\u4e00\u81f4\uff01\")\n\n# \u5617\u8a66\u66f4\u65b0\u9918\u984d\nupdate_balance(150)\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-mfUQnwquYj\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u7248\u672c\u865f\u7684\u7ba1\u7406\uff1a\u78ba\u4fdd\u7248\u672c\u865f\u7684\u552f\u4e00\u6027\u548c\u6b63\u78ba\u6027\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li>\u91cd\u8a66\u6a5f\u5236\uff1a\u5728\u64cd\u4f5c\u5931\u6557\u6642\uff0c\u61c9\u8003\u616e\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\uff0c\u4ee5\u63d0\u9ad8\u6210\u529f\u7387\u3002<\/li>\n<li>\u6027\u80fd\u8003\u91cf\uff1a\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u6a02\u89c0\u9396\u53ef\u80fd\u6703\u5c0e\u81f4\u8f03\u591a\u7684\u91cd\u8a66\uff0c\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mfUQnwquYj\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\uff0c\u901a\u904e\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u7248\u672c\u865f\u7ba1\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5728\u8a2d\u8a08\u5206\u5e03\u5f0f\u7cfb\u7d71\u6642\uff0c\u5408\u7406\u904b\u7528\u6a02\u89c0\u9396\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u53ca\u5176\u61c9\u7528\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u6a02\u89c0\u9396\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u4e26\u767c\u63a7\u5236\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-128487","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128487","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=128487"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128487\/revisions"}],"predecessor-version":[{"id":128488,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128487\/revisions\/128488"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}