{"id":167031,"date":"2024-11-05T21:47:28","date_gmt":"2024-11-05T13:47:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167031\/"},"modified":"2024-11-05T21:47:29","modified_gmt":"2024-11-05T13:47:29","slug":"%e5%88%a9%e7%94%a8mongodb%e5%af%a6%e7%8f%be%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8%e7%9a%84%e6%93%8d%e4%bd%9c%ef%bc%88mongodb%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167031\/","title":{"rendered":"\u5229\u7528mongodb\u5be6\u73fe\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u64cd\u4f5c\uff08mongodb\u81ea\u5b9a\u7fa9\u51fd\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8mongodb%e5%af%a6%e7%8f%be%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8%e7%9a%84%e6%93%8d%e4%bd%9c%ef%bc%88mongodb%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8%ef%bc%89-kEVTmxYsvS\">\u5229\u7528MongoDB\u5be6\u73fe\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u64cd\u4f5c\uff08MongoDB\u81ea\u5b9a\u7fa9\u51fd\u6578\uff09<\/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\u3002MongoDB\u4e0d\u50c5\u652f\u6301\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c\u9084\u5141\u8a31\u7528\u6236\u5275\u5efa\u81ea\u5b9a\u7fa9\u51fd\u6578\uff0c\u4ee5\u6eff\u8db3\u7279\u5b9a\u7684\u696d\u52d9\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MongoDB\u4e2d\u5be6\u73fe\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 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id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8-kEVTmxYsvS\">\u5982\u4f55\u5275\u5efa\u81ea\u5b9a\u7fa9\u51fd\u6578<\/h2>\n<p>\u5728MongoDB\u4e2d\u5275\u5efa\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u9023\u63a5\u5230MongoDB\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4f7f\u7528JavaScript\u8a9e\u6cd5\u5b9a\u7fa9\u51fd\u6578\u3002<\/li>\n<li>\u5c07\u51fd\u6578\u5b58\u5132\u5230MongoDB\u7684\u7cfb\u7d71\u96c6\u5408\u4e2d\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8-kEVTmxYsvS\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u81ea\u5b9a\u7fa9\u51fd\u6578<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u8a08\u7b97\u5169\u500b\u6578\u5b57\u548c\u7684\u81ea\u5b9a\u7fa9\u51fd\u6578\uff1a<\/p>\n<pre><code>\ndb.system.js.save({\n    _id: \"addNumbers\",\n    value: function(x, y) {\n        return x + y;\n    }\n});\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 <code>db.system.js.save<\/code> \u65b9\u6cd5\u4f86\u5c07\u81ea\u5b9a\u7fa9\u51fd\u6578 <code>addNumbers<\/code> \u5b58\u5132\u5230\u7cfb\u7d71\u96c6\u5408\u4e2d\u3002\u9019\u500b\u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u5b83\u5011\u7684\u548c\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8-kEVTmxYsvS\">\u8abf\u7528\u81ea\u5b9a\u7fa9\u51fd\u6578<\/h2>\n<p>\u4e00\u65e6\u81ea\u5b9a\u7fa9\u51fd\u6578\u88ab\u5275\u5efa\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u5728MongoDB\u7684\u67e5\u8a62\u4e2d\u8abf\u7528\u5b83\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8abf\u7528\u6211\u5011\u525b\u525b\u5275\u5efa\u7684 <code>addNumbers<\/code> \u51fd\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\ndb.eval(\"addNumbers(5, 10)\");\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de <code>15<\/code>\uff0c\u56e0\u70ba\u5b83\u8a08\u7b97\u4e865\u548c10\u7684\u548c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e8%87%aa%e5%ae%9a%e7%be%a9%e5%87%bd%e6%95%b8%e9%80%b2%e8%a1%8c%e8%81%9a%e5%90%88%e6%93%8d%e4%bd%9c-kEVTmxYsvS\">\u4f7f\u7528\u81ea\u5b9a\u7fa9\u51fd\u6578\u9032\u884c\u805a\u5408\u64cd\u4f5c<\/h2>\n<p>\u81ea\u5b9a\u7fa9\u51fd\u6578\u4e5f\u53ef\u4ee5\u5728\u805a\u5408\u7ba1\u9053\u4e2d\u4f7f\u7528\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u8655\u7406\u66f4\u52a0\u9748\u6d3b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u805a\u5408\u64cd\u4f5c\u4e2d\u4f7f\u7528\u81ea\u5b9a\u7fa9\u51fd\u6578\uff1a<\/p>\n<pre><code>\ndb.collection.aggregate([\n    {\n        $project: {\n            total: { $function: {\n                body: \"function(x, y) { return x + y; }\",\n                args: [\"$field1\", \"$field2\"],\n                lang: \"js\"\n            }}\n        }\n    }\n]);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 <code>$function<\/code> 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id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-kEVTmxYsvS\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u81ea\u5b9a\u7fa9\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u6027\u80fd\uff1a\u81ea\u5b9a\u7fa9\u51fd\u6578\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u78ba\u4fdd\u81ea\u5b9a\u7fa9\u51fd\u6578\u4e0d\u6703\u57f7\u884c\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u6f5b\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<li>\u7248\u672c\u517c\u5bb9\u6027\uff1a\u4e0d\u540c\u7248\u672c\u7684MongoDB\u5c0d\u81ea\u5b9a\u7fa9\u51fd\u6578\u7684\u652f\u6301\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u8acb\u53c3\u8003\u5b98\u65b9\u6587\u6a94\u4ee5\u7372\u53d6\u6700\u65b0\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kEVTmxYsvS\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u7684\u81ea\u5b9a\u7fa9\u51fd\u6578\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\uff0c\u4ee5\u4fbf\u5728\u6578\u64da\u8655\u7406\u548c\u67e5\u8a62\u4e2d\u5be6\u73fe\u66f4\u9ad8\u7684\u9748\u6d3b\u6027\u3002\u901a\u904e\u5275\u5efa\u548c\u4f7f\u7528\u81ea\u5b9a\u7fa9\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9032\u884c\u6578\u64da\u8a08\u7b97\u548c\u8655\u7406\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u548c\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MongoDB\u5be6\u4f8b\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728MongoDB\u4e2d\u5be6\u73fe\u81ea\u5b9a\u7fa9\u51fd\u6578\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u6eff\u8db3\u7279\u5b9a\u696d\u52d9\u9700\u6c42\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-167031","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167031","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=167031"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167031\/revisions"}],"predecessor-version":[{"id":167032,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167031\/revisions\/167032"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}