{"id":29926,"date":"2023-12-04T16:45:55","date_gmt":"2023-03-05T21:20:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%a1%a8%e8%be%be-mongodb-%e8%bf%9e%e6%8e%a5%e6%b1%a0\/"},"modified":"2025-08-12T16:37:28","modified_gmt":"2025-08-12T08:37:28","slug":"%e8%a1%a8%e8%be%be-mongodb-%e8%bf%9e%e6%8e%a5%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%a1%a8%e8%be%be-mongodb-%e8%bf%9e%e6%8e%a5%e6%b1%a0\/","title":{"rendered":"\u8868\u8fbe MongoDB \u8fde\u63a5\u6c60"},"content":{"rendered":"

MongoDB\u306e\u5b9a\u7fa9<\/h1>\n
\"image.png\"<\/div>\n

\u6e90\u5934<\/h1>\n
var<\/span> express<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>express<\/span>\"<\/span>);<\/span>\r\nvar<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\n\r\nconst<\/span> MongoClient<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>).<\/span>MongoClient<\/span>;<\/span>\r\n\r\nconst<\/span> testRouter<\/span> =<\/span> require<\/span>(<\/span>'<\/span>.\/routers\/test<\/span>'<\/span>);<\/span>\r\n\r\nMongoClient<\/span>.<\/span>connect<\/span>(<\/span>'<\/span>mongodb:\/\/db<\/span>'<\/span>,<\/span> {<\/span> minPoolSize<\/span>:<\/span> 20<\/span>,<\/span> maxPoolSize<\/span>:<\/span> 20<\/span> },<\/span> async<\/span> (<\/span>error<\/span>,<\/span> client<\/span>)<\/span> =><\/span> {<\/span>\r\n  if<\/span> (<\/span>error<\/span>)<\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>error :<\/span>'<\/span>,<\/span> error<\/span>);<\/span>\r\n  }<\/span> else<\/span> {<\/span>\r\n    \/\/ req.app.locals.db\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a<\/span>\r\n    app<\/span>.<\/span>locals<\/span>.<\/span>db<\/span> =<\/span> client<\/span>.<\/span>db<\/span>(<\/span>'<\/span>test_db<\/span>'<\/span>);<\/span>\r\n    \/\/ add Router<\/span>\r\n    app<\/span>.<\/span>use<\/span>(<\/span>'<\/span>\/test<\/span>'<\/span>,<\/span> testRouter<\/span>);<\/span>\r\n    \/\/ start express server<\/span>\r\n    var<\/span> server<\/span> =<\/span> app<\/span>.<\/span>listen<\/span>(<\/span>3000<\/span>,<\/span> function<\/span>(){<\/span>\r\n      console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>Node.js is listening to PORT:<\/span>\"<\/span> +<\/span> server<\/span>.<\/span>address<\/span>().<\/span>port<\/span>);<\/span>\r\n    });<\/span>\r\n  }<\/span>\r\n})<\/span>\r\n<\/code><\/pre>\n
var<\/span> express<\/span> =<\/span> require<\/span>(<\/span>'<\/span>express<\/span>'<\/span>)<\/span>\r\nvar<\/span> router<\/span> =<\/span> express<\/span>.<\/span>Router<\/span>()<\/span>\r\n\r\nrouter<\/span>.<\/span>get<\/span>(<\/span>'<\/span>\/<\/span>'<\/span>,<\/span> async<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span> {<\/span>\r\n  \/\/ connection pool\u3092\u4f7f\u3044\u307e\u308f\u3057<\/span>\r\n  const<\/span> result<\/span> =<\/span> await<\/span> res<\/span>.<\/span>app<\/span>.<\/span>locals<\/span>.<\/span>db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>user<\/span>'<\/span>).<\/span>find<\/span>().<\/span>toArray<\/span>();<\/span>\r\n  res<\/span>.<\/span>send<\/span>(<\/span>result<\/span>.<\/span>map<\/span>(<\/span>row<\/span> =><\/span> row<\/span>.<\/span>name<\/span>).<\/span>join<\/span>(<\/span>'<\/span>,<\/span>'<\/span>));<\/span>\r\n})<\/span>\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> router<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u542f\u52a8<\/h1>\n
\"image.png\"<\/div>\n
Connection\u3092\u30af\u30ed\u30fc\u30ba\u3057\u3066\u3044\u306a\u3044\u3051\u3069\u554f\u984c\u306a\u3044\u304b\u78ba\u8a8d<\/h1>\n
\"image.png\"<\/div>\n
\u4fe1\u606f
\n\u5f53node\u8fdb\u7a0b\u7ec8\u6b62\u65f6\uff0c\u5373\u4f7f\u6ca1\u6709\u8c03\u7528close()\u51fd\u6570\uff0c\u4f3c\u4e4e\u4e5f\u4f1a\u81ea\u52a8\u91ca\u653e
\n\u203b\u6211\u8ba4\u4e3a\u8fd9\u6ca1\u95ee\u9898\uff0c\u56e0\u4e3a\u5b98\u65b9\u4e5f\u6ca1\u6709\u8c03\u7528close()\u3002<\/div>\n
GitHub (a platform for hosting and managing software projects) -> GitHub \uff08\u4e00\u4e2a\u7528\u4e8e\u6258\u7ba1\u548c\u7ba1\u7406\u8f6f\u4ef6\u9879\u76ee\u7684\u5e73\u53f0)<\/h1>\n","protected":false},"excerpt":{"rendered":"
MongoDB\u306e\u5b9a\u7fa9 \u6e90\u5934 var express = require(“express”); var app […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29926","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u8868\u8fbe MongoDB \u8fde\u63a5\u6c60 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u8868\u8fbe MongoDB \u8fde\u63a5\u6c60\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u8868\u8fbe-mongodb-\u8fde\u63a5\u6c60\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u8868\u8fbe MongoDB \u8fde\u63a5\u6c60\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u8868\u8fbe MongoDB \u8fde\u63a5\u6c60\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u8868\u8fbe-mongodb-\u8fde\u63a5\u6c60\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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