{"id":180076,"date":"2024-11-09T07:12:18","date_gmt":"2024-11-08T23:12:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180076\/"},"modified":"2024-11-09T07:12:20","modified_gmt":"2024-11-08T23:12:20","slug":"%e5%85%a5%e9%96%80mongodb%ef%bc%8c%e4%bd%a0%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%844%e5%80%8b%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180076\/","title":{"rendered":"\u5165\u9580MongoDB\uff0c\u4f60\u9700\u8981\u6ce8\u610f\u76844\u500b\u6280\u5de7"},"content":{"rendered":"<h1 id=\"%e5%85%a5%e9%96%80mongodb%ef%bc%8c%e4%bd%a0%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%844%e5%80%8b%e6%8a%80%e5%b7%a7-lWUvxQTxqa\">\u5165\u9580MongoDB\uff0c\u4f60\u9700\u8981\u6ce8\u610f\u76844\u500b\u6280\u5de7<\/h1>\n<p>MongoDB\u662f\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\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c\u638c\u63e1MongoDB\u7684\u57fa\u672c\u6982\u5ff5\u548c\u64cd\u4f5c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u56db\u500b\u5728\u4f7f\u7528MongoDB\u6642\u9700\u8981\u6ce8\u610f\u7684\u6280\u5de7\uff0c\u5e6b\u52a9\u4f60\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e6%96%87%e6%aa%94%e5%b0%8e%e5%90%91%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-lWUvxQTxqa\">1. \u7406\u89e3\u6587\u6a94\u5c0e\u5411\u6578\u64da\u6a21\u578b<\/h2>\n<p>MongoDB\u7684\u6838\u5fc3\u662f\u6587\u6a94\u5c0e\u5411\u7684\u6578\u64da\u6a21\u578b\uff0c\u9019\u610f\u5473\u8457\u6578\u64da\u4ee5JSON\u683c\u5f0f\u7684\u6587\u6a94\u5b58\u5132\u3002\u6bcf\u500b\u6587\u6a94\u90fd\u662f\u4e00\u500b\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7d50\u69cb\u975e\u5e38\u9748\u6d3b\u3002\u521d\u5b78\u8005\u61c9\u8a72\u719f\u6089\u5982\u4f55\u8a2d\u8a08\u6587\u6a94\u7d50\u69cb\uff0c\u4ee5\u4fbf\u80fd\u5920\u6709\u6548\u5730\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n<pre><code>{\n  \"name\": \"John Doe\",\n  \"age\": 30,\n  \"address\": {\n    \"street\": \"123 Main St\",\n    \"city\": \"Hong Kong\"\n  },\n  \"hobbies\": [\"reading\", \"traveling\"]\n}<\/code><\/pre>\n<p>\u5728\u8a2d\u8a08\u6587\u6a94\u6642\uff0c\u8003\u616e\u5230\u6578\u64da\u7684\u67e5\u8a62\u9700\u6c42\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u907f\u514d\u904e\u5ea6\u5d4c\u5957\u6587\u6a94\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u76f8\u53cd\uff0c\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u4f86\u5e73\u8861\u6578\u64da\u7684\u7d50\u69cb\u548c\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e4%be%86%e6%8f%90%e9%ab%98%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-lWUvxQTxqa\">2. \u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMongoDB\u6703\u70ba\u6bcf\u500b\u96c6\u5408\u7684_id\u5b57\u6bb5\u81ea\u52d5\u5275\u5efa\u7d22\u5f15\uff0c\u4f46\u5c0d\u65bc\u5176\u4ed6\u5b57\u6bb5\uff0c\u5247\u9700\u8981\u624b\u52d5\u5275\u5efa\u7d22\u5f15\u3002\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<pre><code>db.collection.createIndex({ \"name\": 1 })<\/code><\/pre>\n<p>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u61c9\u8a72\u6839\u64da\u67e5\u8a62\u7684\u983b\u7387\u548c\u985e\u578b\u4f86\u9078\u64c7\u5408\u9069\u7684\u5b57\u6bb5\u3002\u904e\u591a\u7684\u7d22\u5f15\u6703\u589e\u52a0\u5beb\u5165\u64cd\u4f5c\u7684\u958b\u92b7\uff0c\u56e0\u6b64\u9700\u8981\u8b39\u614e\u9078\u64c7\u3002<\/p>\n<h2 id=\"3-%e6%8e%8c%e6%8f%a1%e8%81%9a%e5%90%88%e6%a1%86%e6%9e%b6-lWUvxQTxqa\">3. \u638c\u63e1\u805a\u5408\u6846\u67b6<\/h2>\n<p>MongoDB\u7684\u805a\u5408\u6846\u67b6\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u3002\u901a\u904e\u805a\u5408\u7ba1\u9053\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5c0d\u6578\u64da\u9032\u884c\u904e\u6ffe\u3001\u5206\u7d44\u548c\u6392\u5e8f\u7b49\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5f9e\u6578\u64da\u4e2d\u63d0\u53d6\u6709\u7528\u4fe1\u606f\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002<\/p>\n<pre><code>db.collection.aggregate([\n  { $match: { age: { $gt: 25 } } },\n  { $group: { _id: \"$city\", averageAge: { $avg: \"$age\" } } }\n])<\/code><\/pre>\n<p>\u5b78\u6703\u4f7f\u7528\u805a\u5408\u6846\u67b6\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u5206\u4f48\u548c\u8da8\u52e2\uff0c\u5f9e\u800c\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-lWUvxQTxqa\">4. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n<p>\u6578\u64da\u7684\u5b89\u5168\u6027\u662f\u4efb\u4f55\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u5ffd\u8996\u7684\u4e00\u90e8\u5206\u3002MongoDB\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u548c\u6062\u5fa9\u6578\u64da\u7684\u65b9\u5f0f\uff0c\u5305\u62ec\u4f7f\u7528mongodump\u548cmongorestore\u5de5\u5177\u3002\u5b9a\u671f\u5099\u4efd\u6578\u64da\u53ef\u4ee5\u9632\u6b62\u56e0\u610f\u5916\u60c5\u6cc1\u5c0e\u81f4\u7684\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<pre><code>mongodump --db yourDatabase --out \/path\/to\/backup<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u8003\u616e\u4f7f\u7528Replica Set\u4f86\u5be6\u73fe\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u9019\u6a23\u5373\u4f7f\u4e3b\u7bc0\u9ede\u51fa\u73fe\u6545\u969c\uff0c\u6578\u64da\u4e5f\u80fd\u5920\u4fdd\u6301\u53ef\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lWUvxQTxqa\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1MongoDB\u7684\u57fa\u672c\u6280\u5de7\u5c0d\u65bc\u4efb\u4f55\u5e0c\u671b\u5728\u6578\u64da\u7ba1\u7406\u9818\u57df\u53d6\u5f97\u6210\u529f\u7684\u4eba\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7406\u89e3\u6587\u6a94\u5c0e\u5411\u6578\u64da\u6a21\u578b\u3001\u4f7f\u7528\u7d22\u5f15\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3001\u638c\u63e1\u805a\u5408\u6846\u67b6\u4ee5\u53ca\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u9019\u56db\u500b\u6280\u5de7\u5c07\u5e6b\u52a9\u4f60\u66f4\u6709\u6548\u5730\u4f7f\u7528MongoDB\u3002\u5982\u679c\u4f60\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u904b\u884c\u4f60\u7684MongoDB\u5be6\u4f8b\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5165\u9580MongoDB\u76844\u500b\u95dc\u9375\u6280\u5de7\uff0c\u5e6b\u52a9\u4f60\u5feb\u901f\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6027\u80fd\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-180076","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180076","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=180076"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180076\/revisions"}],"predecessor-version":[{"id":180077,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180076\/revisions\/180077"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}