{"id":153303,"date":"2024-11-02T06:19:18","date_gmt":"2024-11-01T22:19:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153303\/"},"modified":"2024-11-02T06:19:18","modified_gmt":"2024-11-01T22:19:18","slug":"%e5%be%9e%e9%9b%b6%e5%8b%95%e6%89%8b%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e6%97%a5%e8%aa%8c%e6%a8%a1%e5%a1%8a%e5%af%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153303\/","title":{"rendered":"\u5f9e\u96f6\u52d5\u624b\u5beb\u6578\u64da\u5eab\u7cfb\u7d71\uff1a\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u65e5\u8a8c\u6a21\u584a\u5be6\u73fe"},"content":{"rendered":"<h1 id=\"%e5%be%9e%e9%9b%b6%e5%8b%95%e6%89%8b%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e6%97%a5%e8%aa%8c%e6%a8%a1%e5%a1%8a%e5%af%a6-aNXAldPIvQ\">\u5f9e\u96f6\u52d5\u624b\u5beb\u6578\u64da\u5eab\u7cfb\u7d71\uff1a\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u65e5\u8a8c\u6a21\u584a\u5be6\u73fe<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7cfb\u7d71\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7684\u65e5\u5e38\u904b\u71df\u9084\u662f\u500b\u4eba\u9805\u76ee\u7684\u6578\u64da\u7ba1\u7406\uff0c\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5f9e\u96f6\u958b\u59cb\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u7279\u5225\u662f\u5176\u65e5\u8a8c\u6a21\u584a\u7684\u8a2d\u8a08\u8207\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e6%97%a5%e8%aa%8c%e6%a8%a1%e5%a1%8a%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-aNXAldPIvQ\">\u65e5\u8a8c\u6a21\u584a\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u65e5\u8a8c\u6a21\u584a\u662f\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b83\u7684\u4e3b\u8981\u529f\u80fd\u662f\u8a18\u9304\u6240\u6709\u5c0d\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u3002\u9019\u4e9b\u65e5\u8a8c\u4e0d\u50c5\u7528\u65bc\u6578\u64da\u6062\u5fa9\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u8ffd\u8e64\u554f\u984c\u548c\u9032\u884c\u6027\u80fd\u5206\u6790\u3002<\/p>\n<h2 id=\"%e6%97%a5%e8%aa%8c%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-aNXAldPIvQ\">\u65e5\u8a8c\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>\u5728\u8a2d\u8a08\u65e5\u8a8c\u6a21\u584a\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u78ba\u5b9a\u65e5\u8a8c\u7684\u57fa\u672c\u7d50\u69cb\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u65e5\u8a8c\u689d\u76ee\u61c9\u8a72\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u6642\u9593\u6233\uff1a<\/strong>\u8a18\u9304\u64cd\u4f5c\u767c\u751f\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u985e\u578b\uff1a<\/strong>\u6307\u660e\u662f\u63d2\u5165\u3001\u66f4\u65b0\u9084\u662f\u522a\u9664\u3002<\/li>\n<li><strong>\u6578\u64da\u5167\u5bb9\uff1a<\/strong>\u88ab\u64cd\u4f5c\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u4e8b\u52d9ID\uff1a<\/strong>\u6a19\u8b58\u8a72\u64cd\u4f5c\u6240\u5c6c\u7684\u4e8b\u52d9\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u65e5\u8a8c\u689d\u76ee\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n{\n    \"timestamp\": \"2023-10-01T12:00:00Z\",\n    \"operation\": \"INSERT\",\n    \"data\": {\n        \"id\": 1,\n        \"name\": \"John Doe\"\n    },\n    \"transaction_id\": \"tx12345\"\n}\n<\/code><\/pre>\n<h2 id=\"%e6%97%a5%e8%aa%8c%e7%9a%84%e5%af%a6%e7%8f%be-aNXAldPIvQ\">\u65e5\u8a8c\u7684\u5be6\u73fe<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u5be6\u73fe\u65e5\u8a8c\u6a21\u584a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%97%a5%e8%aa%8c%e5%ad%98%e5%84%b2-aNXAldPIvQ\">1. \u8a2d\u8a08\u65e5\u8a8c\u5b58\u5132<\/h3>\n<p>\u65e5\u8a8c\u53ef\u4ee5\u5b58\u5132\u5728\u6587\u4ef6\u4e2d\u6216\u6578\u64da\u5eab\u4e2d\u3002\u5c0d\u65bc\u7c21\u55ae\u7684\u5be6\u73fe\uff0c\u6211\u5011\u53ef\u4ee5\u9078\u64c7\u5c07\u65e5\u8a8c\u5b58\u5132\u5728\u6587\u672c\u6587\u4ef6\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u9032\u884c\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u3002<\/p>\n<pre><code>\ndef write_log(log_entry):\n    with open(\"database.log\", \"a\") as log_file:\n        log_file.write(log_entry + \"n\")\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e6%97%a5%e8%aa%8c%e8%a8%98%e9%8c%84%e5%8a%9f%e8%83%bd-aNXAldPIvQ\">2. \u5be6\u73fe\u65e5\u8a8c\u8a18\u9304\u529f\u80fd<\/h3>\n<p>\u6bcf\u7576\u6578\u64da\u5eab\u57f7\u884c\u64cd\u4f5c\u6642\uff0c\u6211\u5011\u9700\u8981\u8abf\u7528\u65e5\u8a8c\u8a18\u9304\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u63d2\u5165\u6578\u64da\u6642\u8a18\u9304\u65e5\u8a8c\uff1a<\/p>\n<pre><code>\ndef insert_data(data):\n    # \u5047\u8a2d\u9019\u88e1\u6709\u63d2\u5165\u6578\u64da\u7684\u908f\u8f2f\n    log_entry = f'{{\"timestamp\": \"{datetime.now()}\", \"operation\": \"INSERT\", \"data\": {data}, \"transaction_id\": \"{transaction_id}\"}}'\n    write_log(log_entry)\n<\/code><\/pre>\n<h3 id=\"3-%e6%97%a5%e8%aa%8c%e7%9a%84%e5%9b%9e%e6%94%be%e8%88%87%e6%81%a2%e5%be%a9-aNXAldPIvQ\">3. \u65e5\u8a8c\u7684\u56de\u653e\u8207\u6062\u5fa9<\/h3>\n<p>\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6545\u969c\u7684\u60c5\u6cc1\u4e0b\uff0c\u65e5\u8a8c\u53ef\u4ee5\u7528\u4f86\u6062\u5fa9\u6578\u64da\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5f9e\u65e5\u8a8c\u4e2d\u8b80\u53d6\u64cd\u4f5c\u4e26\u91cd\u65b0\u57f7\u884c\u5b83\u5011\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u56de\u653e\u793a\u4f8b\uff1a<\/p>\n<pre><code>\ndef replay_logs():\n    with open(\"database.log\", \"r\") as log_file:\n        for line in log_file:\n            log_entry = json.loads(line)\n            # \u6839\u64da\u64cd\u4f5c\u985e\u578b\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\n            if log_entry[\"operation\"] == \"INSERT\":\n                insert_data(log_entry[\"data\"])\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-aNXAldPIvQ\">\u7d50\u8ad6<\/h2>\n<p>\u65e5\u8a8c\u6a21\u584a\u5728\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\uff0c\u80fd\u5920\u5e6b\u52a9\u6211\u5011\u8ffd\u8e64\u64cd\u4f5c\u4e26\u5728\u6545\u969c\u6642\u6062\u5fa9\u6578\u64da\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u5f9e\u96f6\u958b\u59cb\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u7684\u65e5\u8a8c\u6a21\u584a\uff0c\u70ba\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u63d0\u4f9b\u4fdd\u969c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u642d\u5efa\u81ea\u5df1\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u548c\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5f9e\u96f6\u958b\u59cb\u5be6\u73fe\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u65e5\u8a8c\u6a21\u584a\uff0c\u6df1\u5165\u7406\u89e3\u6578\u64da\u6301\u4e45\u6027\u548c\u6062\u5fa9\u6a5f\u5236\u7684\u6838\u5fc3\u539f\u7406\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-153303","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153303","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=153303"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153303\/revisions"}],"predecessor-version":[{"id":153304,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153303\/revisions\/153304"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}