{"id":21525,"date":"2024-01-02T10:50:23","date_gmt":"2024-01-02T10:50:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21525\/"},"modified":"2024-11-14T10:31:17","modified_gmt":"2024-11-14T02:31:17","slug":"mongodb-glossary-embedded-document","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21525\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; \u5d4c\u5165\u5f0f\u6587\u6a94"},"content":{"rendered":"<h1 id=\"mongodb-glossary-embedded-document-QnJCWXItuz\">MongoDB \u8a5e\u5f59\u8868 &#8211; \u5d4c\u5165\u5f0f\u6587\u6a94<\/h1>\n<p>\u5728NoSQL\u6578\u64da\u5eab\u7684\u4e16\u754c\u88e1\uff0cMongoDB\u56e0\u5176\u9748\u6d3b\u6027\u53ca\u53ef\u64f4\u5c55\u6027\u800c\u7372\u5f97\u4e86\u986f\u8457\u7684\u77e5\u540d\u5ea6\u3002\u4f7fMongoDB\u812b\u7a4e\u800c\u51fa\u7684\u95dc\u9375\u7279\u6027\u4e4b\u4e00\u4fbf\u662f\u5176\u5c0d\u5d4c\u5165\u5f0f\u6587\u6a94\u7684\u652f\u6301\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5d4c\u5165\u5f0f\u6587\u6a94\u7684\u5b9a\u7fa9\u53ca\u5176\u5728MongoDB\u4e2d\u7684\u6709\u6548\u904b\u7528\u3002<\/p>\n<h2 id=\"understanding-embedded-documents-QnJCWXItuz\">\u7406\u89e3\u5d4c\u5165\u5f0f\u6587\u6a94<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u5d4c\u5165\u5f0f\u6587\u6a94\u662f\u4e00\u7a2e\u5c07\u76f8\u95dc\u6578\u64da\u5b58\u5132\u5728\u55ae\u4e00\u6587\u6a94\u5167\u7684\u65b9\u5f0f\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5c07\u6578\u64da\u5206\u6563\u5b58\u5132\u65bc\u591a\u500b\u8868\u683c\u7684\u65b9\u5f0f\u4e0d\u540c\uff0cMongoDB\u5141\u8a31\u60a8\u76f4\u63a5\u5728\u6587\u6a94\u5167\u5d4c\u5957\u76f8\u95dc\u6578\u64da\u3002\u9019\u610f\u5473\u8457\u60a8\u53ef\u4ee5\u5b58\u5132\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u800c\u7121\u9700\u9032\u884c\u806f\u7d50\u6216\u4f7f\u7528\u55ae\u7368\u7684\u96c6\u5408\u3002<\/p>\n<p>\u5d4c\u5165\u5f0f\u6587\u6a94\u4ee5\u9375\u503c\u5c0d\u7684\u5f62\u5f0f\u8868\u73fe\u3002\u5728\u6587\u6a94\u4e2d\uff0c\u503c\u53ef\u4ee5\u662f\u4efb\u4f55\u6709\u6548\u7684BSON\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u6578\u5b57\u3001\u6578\u7d44\uff0c\u751a\u81f3\u5176\u4ed6\u6587\u6a94\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u60a8\u80fd\u5920\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u6700\u4f73\u5316\u6578\u64da\u6a21\u578b\u3002<\/p>\n<h2 id=\"benefits-of-using-embedded-documents-QnJCWXItuz\">\u4f7f\u7528\u5d4c\u5165\u5f0f\u6587\u6a94\u7684\u597d\u8655<\/h2>\n<p>\u5728MongoDB\u4e2d\u4f7f\u7528\u5d4c\u5165\u5f0f\u6587\u6a94\u6709\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u901a\u904e\u5c07\u76f8\u95dc\u6578\u64da\u5b58\u5132\u5728\u4e00\u8d77\uff0c\u60a8\u53ef\u4ee5\u5728\u4e00\u6b21\u67e5\u8a62\u4e2d\u6aa2\u7d22\u6240\u6709\u6578\u64da\uff0c\u7701\u53bb\u6210\u672c\u9ad8\u6602\u7684\u806f\u7d50\uff0c\u5f9e\u800c\u986f\u8457\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u6578\u64da\u6a21\u578b\uff1a<\/strong>\u4f7f\u7528\u5d4c\u5165\u5f0f\u6587\u6a94\uff0c\u53ef\u4ee5\u5728\u4e0d\u9700\u8981\u984d\u5916\u96c6\u5408\u6216\u5916\u9375\u7684\u60c5\u6cc1\u4e0b\u8868\u793a\u5be6\u9ad4\u4e4b\u9593\u7684\u8907\u96dc\u95dc\u4fc2\u3002\u9019\u7c21\u5316\u4e86\u6578\u64da\u6a21\u578b\uff0c\u4f7f\u5176\u66f4\u6613\u65bc\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u539f\u5b50\u66f4\u65b0\uff1a<\/strong>MongoDB\u5141\u8a31\u60a8\u5c0d\u5d4c\u5165\u5f0f\u6587\u6a94\u4e2d\u7684\u55ae\u500b\u5b57\u6bb5\u9032\u884c\u539f\u5b50\u66f4\u65b0\u3002\u9019\u610f\u5473\u8457\u60a8\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u6574\u500b\u6587\u6a94\u7684\u60c5\u6cc1\u4e0b\u4fee\u6539\u6578\u64da\u7684\u7279\u5b9a\u90e8\u5206\u3002<\/li>\n<li><strong>\u6a21\u5f0f\u9748\u6d3b\u6027\uff1a<\/strong>\u8207\u50b3\u7d71\u6578\u64da\u5eab\u4e0d\u540c\uff0cMongoDB\u4e0d\u5f37\u5236\u57f7\u884c\u50f5\u5316\u7684\u6a21\u5f0f\u3002\u60a8\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u96c6\u5408\u4e2d\u5176\u4ed6\u6587\u6a94\u7684\u60c5\u6cc1\u4e0b\uff0c\u65b0\u589e\u6216\u522a\u9664\u5d4c\u5165\u5f0f\u6587\u6a94\u7684\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<h2 id=\"example-usage-QnJCWXItuz\">\u4f8b\u5b50\u4f7f\u7528<\/h2>\n<p>\u8b93\u6211\u5011\u8003\u616e\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\u4f86\u8aaa\u660e\u5d4c\u5165\u5f0f\u6587\u6a94\u7684\u7528\u6cd5\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u300cusers\u300d\u7684\u96c6\u5408\uff0c\u7528\u4f86\u5b58\u5132\u6211\u5011\u61c9\u7528\u7a0b\u5e8f\u4e2d\u7528\u6236\u7684\u4fe1\u606f\u3002\u6211\u5011\u53ef\u4ee5\u5c07\u5730\u5740\u4fe1\u606f\u5d4c\u5165\u5230\u6bcf\u500b\u7528\u6236\u6587\u6a94\u4e2d\uff0c\u800c\u7121\u9700\u5275\u5efa\u55ae\u7368\u7684\u5730\u5740\u96c6\u5408\uff1a<\/p>\n<pre><code>{\r\n  \"_id\": ObjectId(\"5f8a1e7e9a8b9c7d6e5f4a3b\"),\r\n  \"name\": \"\u7d04\u7ff0\u00b7\u675c\",\r\n  \"email\": \"john.doe@example.com\",\r\n  \"address\": {\r\n    \"street\": \"123 \u4e3b\u8857\",\r\n    \"city\": \"\u7d10\u7d04\",\r\n    \"state\": \"NY\",\r\n    \"zip\": \"10001\"\r\n  }\r\n}<\/code><\/pre>\n<p>\u5728\u6b64\u4f8b\u4e2d\uff0c\u5730\u5740\u4fe1\u606f\u4f5c\u70ba\u5d4c\u5165\u5f0f\u6587\u6a94\u5b58\u5132\u65bc\u7528\u6236\u6587\u6a94\u4e2d\u3002\u9019\u4f7f\u6211\u5011\u80fd\u5920\u5728\u4e00\u6b21\u67e5\u8a62\u4e2d\u6aa2\u7d22\u7528\u6236\u5730\u5740\u548c\u5176\u4ed6\u7528\u6236\u8a73\u60c5\u3002<\/p>\n<h2 id=\"conclusion-QnJCWXItuz\">\u7d50\u8ad6<\/h2>\n<p>\u5d4c\u5165\u5f0f\u6587\u6a94\u662fMongoDB\u7684\u4e00\u500b\u5f37\u5927\u7279\u6027\uff0c\u4f7f\u60a8\u80fd\u5920\u5728\u55ae\u4e00\u6587\u6a94\u4e2d\u5b58\u5132\u76f8\u95dc\u6578\u64da\u3002\u5b83\u5011\u63d0\u4f9b\u4e86\u6027\u80fd\u63d0\u5347\u3001\u7c21\u5316\u7684\u6578\u64da\u6a21\u578b\u3001\u539f\u5b50\u66f4\u65b0\u4ee5\u53ca\u6a21\u5f0f\u9748\u6d3b\u6027\u3002\u901a\u904e\u6709\u6548\u5229\u7528\u5d4c\u5165\u5f0f\u6587\u6a94\uff0c\u60a8\u53ef\u4ee5\u8a2d\u8a08\u9ad8\u6548\u4e14\u53ef\u64f4\u5c55\u7684MongoDB\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6709\u8208\u8da3\u9032\u4e00\u6b65\u63a2\u7d22MongoDB\u53ca\u5176\u529f\u80fd\uff0c\u5efa\u8b70\u60a8\u67e5\u770b <a 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&#038;#82&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21525","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21525","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21525"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21525\/revisions"}],"predecessor-version":[{"id":23937,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21525\/revisions\/23937"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}