{"id":63730,"date":"2024-10-14T02:00:12","date_gmt":"2024-10-13T18:00:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63730\/"},"modified":"2024-10-14T02:00:13","modified_gmt":"2024-10-13T18:00:13","slug":"mongodb%e8%a1%93%e8%aa%9e-%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63730\/","title":{"rendered":"MongoDB\u8853\u8a9e &#8211; \u66f4\u65b0\u63d2\u5165"},"content":{"rendered":"<h1 id=\"mongodb%e8%a1%93%e8%aa%9e-%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5-MXNrpKKmlH\">MongoDB\u8853\u8a9e &#8211; \u66f4\u65b0\u63d2\u5165<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u56e0\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMongoDB\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u8853\u8a9e\u2014\u2014\u66f4\u65b0\u63d2\u5165\uff08Upsert\uff09\uff0c\u4e26\u89e3\u91cb\u5176\u5728\u6578\u64da\u64cd\u4f5c\u4e2d\u7684\u61c9\u7528\u53ca\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5%ef%bc%88upsert%ef%bc%89%ef%bc%9f-MXNrpKKmlH\">\u4ec0\u9ebc\u662f\u66f4\u65b0\u63d2\u5165\uff08Upsert\uff09\uff1f<\/h2>\n<p>\u66f4\u65b0\u63d2\u5165\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u7d50\u5408\u4e86\u66f4\u65b0\uff08Update\uff09\u548c\u63d2\u5165\uff08Insert\uff09\u5169\u7a2e\u529f\u80fd\u3002\u7576\u4f7f\u7528\u8005\u5e0c\u671b\u66f4\u65b0\u4e00\u689d\u5df2\u5b58\u5728\u7684\u8a18\u9304\u6642\uff0c\u5982\u679c\u8a72\u8a18\u9304\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u81ea\u52d5\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u3002\u9019\u7a2e\u64cd\u4f5c\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u7684\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-MXNrpKKmlH\">\u66f4\u65b0\u63d2\u5165\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u66f4\u65b0\u63d2\u5165\u7684\u64cd\u4f5c\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>\ndb.collection.update(\n   ,\n   ,\n   { upsert: true }\n)\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>db.collection<\/code>\u662f\u6307\u8981\u64cd\u4f5c\u7684\u6578\u64da\u96c6\u5408\uff0c<code><\/code>\u662f\u67e5\u8a62\u689d\u4ef6\uff0c<code><\/code>\u662f\u8981\u66f4\u65b0\u7684\u5167\u5bb9\uff0c\u800c<code>{ upsert: true }<\/code>\u5247\u8868\u793a\u555f\u7528\u66f4\u65b0\u63d2\u5165\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5%e7%9a%84%e5%af%a6%e9%9a%9b%e7%af%84%e4%be%8b-MXNrpKKmlH\">\u66f4\u65b0\u63d2\u5165\u7684\u5be6\u969b\u7bc4\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>users<\/code>\u7684\u96c6\u5408\uff0c\u4e26\u5e0c\u671b\u6839\u64da\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u4f86\u66f4\u65b0\u7528\u6236\u7684\u8cc7\u6599\u3002\u5982\u679c\u8a72\u7528\u6236\u4e0d\u5b58\u5728\uff0c\u5247\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<pre><code>\ndb.users.update(\n   { email: \"example@example.com\" },\n   { $set: { name: \"John Doe\", age: 30 } },\n   { upsert: true }\n)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cMongoDB\u6703\u9996\u5148\u67e5\u627e\u96fb\u5b50\u90f5\u4ef6\u70ba<code>example@example.com<\/code>\u7684\u7528\u6236\u3002\u5982\u679c\u627e\u5230\uff0c\u5247\u66f4\u65b0\u5176\u540d\u7a31\u548c\u5e74\u9f61\uff1b\u5982\u679c\u672a\u627e\u5230\uff0c\u5247\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\uff0c\u96fb\u5b50\u90f5\u4ef6\u70ba<code>example@example.com<\/code>\uff0c\u540d\u7a31\u70ba<code>John Doe<\/code>\uff0c\u5e74\u9f61\u70ba<code>30<\/code>\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%8f%92%e5%85%a5%e7%9a%84%e5%84%aa%e5%8b%a2-MXNrpKKmlH\">\u66f4\u65b0\u63d2\u5165\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u901a\u904e\u6e1b\u5c11\u67e5\u8a62\u6b21\u6578\uff0c\u66f4\u65b0\u63d2\u5165\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u958b\u767c\u8005\u4e0d\u9700\u8981\u5206\u958b\u8655\u7406\u67e5\u8a62\u548c\u63d2\u5165\u7684\u908f\u8f2f\uff0c\u5f9e\u800c\u7c21\u5316\u4e86\u4ee3\u78bc\u7d50\u69cb\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u5728\u9032\u884c\u6578\u64da\u66f4\u65b0\u6642\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u5f97\u4ee5\u7dad\u6301\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-MXNrpKKmlH\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136\u66f4\u65b0\u63d2\u5165\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u67e5\u8a62\u689d\u4ef6\u7684\u552f\u4e00\u6027\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u63d2\u5165\u3002<\/li>\n<li>\u5728\u9032\u884c\u6279\u91cf\u64cd\u4f5c\u6642\uff0c\u9700\u8b39\u614e\u8003\u616e\u6027\u80fd\u5f71\u97ff\u3002<\/li>\n<li>\u4e86\u89e3\u66f4\u65b0\u64cd\u4f5c\u7684\u5177\u9ad4\u884c\u70ba\uff0c\u4ee5\u907f\u514d\u610f\u5916\u8986\u84cb\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MXNrpKKmlH\">\u7e3d\u7d50<\/h2>\n<p>\u66f4\u65b0\u63d2\u5165\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728MongoDB\u4e2d\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u7d50\u5408\u66f4\u65b0\u548c\u63d2\u5165\u7684\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7c21\u5316\u4ee3\u78bc\u4e26\u63d0\u9ad8\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u9032\u884c\u6578\u64da\u64cd\u4f5c\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684MongoDB\u5be6\u4f8b\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u9ad8\u6548\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MongoDB\u8853\u8a9e\u4e2d\u7684\u66f4\u65b0\u63d2\u5165\uff0c\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0\u73fe\u6709\u6587\u6a94\u6216\u63d2\u5165\u65b0\u6587\u6a94\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-63730","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63730","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=63730"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63730\/revisions"}],"predecessor-version":[{"id":63731,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63730\/revisions\/63731"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=63730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=63730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=63730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}