{"id":30001,"date":"2023-11-20T15:58:10","date_gmt":"2024-02-16T10:10:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8bson-objectid%e6%9b%b4%e6%96%b0mongodb%e6%95%b0%e6%8d%ae%e7%9a%84%e7%ac%94%e8%ae%b0%e3%80%82\/"},"modified":"2025-08-12T16:59:51","modified_gmt":"2025-08-12T08:59:51","slug":"%e4%bd%bf%e7%94%a8bson-objectid%e6%9b%b4%e6%96%b0mongodb%e6%95%b0%e6%8d%ae%e7%9a%84%e7%ac%94%e8%ae%b0%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8bson-objectid%e6%9b%b4%e6%96%b0mongodb%e6%95%b0%e6%8d%ae%e7%9a%84%e7%ac%94%e8%ae%b0%e3%80%82\/","title":{"rendered":"\u4f7f\u7528bson.objectid\u66f4\u65b0MongoDB\u6570\u636e\u7684\u7b14\u8bb0"},"content":{"rendered":"<p>\u6211\u6b63\u5728\u6301\u7eed\u5b66\u4e60bottle.py\u548cMongoDB\u3002\u6211\u8bd5\u56fe\u901a\u8fc7\u5728MongoDB\u7684collection\u4e2d\u9009\u62e9\u4e00\u4e2aObjectID\u6765\u66f4\u65b0\u6570\u636e\uff0c\u4f46\u7531\u4e8e\u9047\u5230\u9519\u8bef\u800c\u82b1\u4e86\u5f88\u957f\u65f6\u95f4\uff0c\u6240\u4ee5\u6211\u60f3\u628a\u8fd9\u4e2a\u8fc7\u7a0b\u8bb0\u5f55\u4e0b\u6765\u3002<\/p>\n<p>mongoDB\u770b\u8d77\u6765\u50cfJSON\uff0c\u5b9e\u9645\u4e0a\u662f\u4f7f\u7528BSON\uff08\u4e0d\u592a\u7406\u89e3\uff09\u3002<br \/>\nBSON\u7684\u4e8b\u60c5\u5c31\u4ea4\u7ed9bson\u53bb\u5904\u7406\u3002<\/p>\n<p>\u5b8c\u6210\u7684\u611f\u89c9\u5c31\u662f\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">pymongo<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">MongoClient<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">bson.objectid<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">ObjectId<\/span>\r\n\r\n<span class=\"o\">@<\/span><span class=\"n\">app<\/span><span class=\"p\">.<\/span><span class=\"n\">route<\/span><span class=\"p\">(<\/span><span class=\"s\">'\/count'<\/span><span class=\"p\">,<\/span> <span class=\"n\">method<\/span><span class=\"o\">=<\/span><span class=\"s\">'POST'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">count<\/span><span class=\"p\">():<\/span>\r\n\r\n    <span class=\"n\">myid<\/span> <span class=\"o\">=<\/span> <span class=\"n\">request<\/span><span class=\"p\">.<\/span><span class=\"n\">forms<\/span><span class=\"p\">.<\/span><span class=\"n\">get<\/span><span class=\"p\">(<\/span><span class=\"s\">'myid'<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">conn<\/span><span class=\"o\">=<\/span><span class=\"n\">pymongo<\/span><span class=\"p\">.<\/span><span class=\"n\">Connection<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"o\">=<\/span><span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">mydb<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">mycol<\/span>\r\n    <span class=\"n\">mydata<\/span><span class=\"o\">=<\/span><span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">mycol<\/span><span class=\"p\">.<\/span><span class=\"n\">find_one<\/span><span class=\"p\">({<\/span><span class=\"s\">\"_id\"<\/span><span class=\"p\">:<\/span><span class=\"n\">ObjectId<\/span><span class=\"p\">(<\/span><span class=\"n\">myid<\/span><span class=\"p\">)})<\/span>\r\n    <span class=\"n\">mydata<\/span><span class=\"p\">[<\/span><span class=\"s\">'count'<\/span><span class=\"p\">]<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">1<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">mycol<\/span><span class=\"p\">.<\/span><span class=\"n\">save<\/span><span class=\"p\">(<\/span><span class=\"n\">mydata<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"n\">redirect<\/span><span class=\"p\">(<\/span><span class=\"s\">'\/main'<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u53c3\u8003\u8cc7\u6599\u53ef\u4ee5\u5e6b\u52a9\u89e3\u6c7a\u554f\u984c\u3002<br \/>\nhttp:\/\/stackoverflow.com\/questions\/19731153\/pymongo-find-by-id-in-subdocuments<\/p>\n<ul class=\"post-ul\">\u73fe\u5728\u5730\u70b9\u30e1\u30e2<\/ul>\n<p>\u5728MongoDB\u4f7f\u7528\u4e2d\u7ecf\u5e38\u9047\u5230\u95ee\u9898\u7684\u539f\u56e0\u5927\u591a\u4e0ebson\u76f8\u5173\u3002<br \/>\n\u901a\u5e38\u4f1a\u901a\u8fc7\u5728stackoverflow\u4e0a\u67e5\u627e\u5e76\u590d\u5236\u7c98\u8d34\u811a\u672c\u7684\u65b9\u5f0f\u6765\u89e3\u51b3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u6b63\u5728\u6301\u7eed\u5b66\u4e60bottle.py\u548cMongoDB\u3002\u6211\u8bd5\u56fe\u901a\u8fc7\u5728MongoDB\u7684collection\u4e2d\u9009\u62e9\u4e00\u4e2aO [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30001","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast 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