{"id":29339,"date":"2023-04-12T10:27:15","date_gmt":"2024-02-07T15:14:32","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%ef%bc%88express%ef%bc%89-mongodb\/"},"modified":"2025-08-12T13:36:26","modified_gmt":"2025-08-12T05:36:26","slug":"%e4%bd%bf%e7%94%a8node-js%ef%bc%88express%ef%bc%89-mongodb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%ef%bc%88express%ef%bc%89-mongodb\/","title":{"rendered":"\u4f7f\u7528Node.js\uff08Express\uff09+ MongoDB"},"content":{"rendered":"

\u7248\u672c
\n– node\uff1av6.9.4
\n– npm\uff1a3.10.10
\n– express\uff1a4.14.0
\n– mongoDB\uff1av3.4.3
\n– node-mongodb-native\uff1av2.2<\/p>\n

\u5b89\u88c5MongoDB<\/p>\n

$ brew install mongodb\r\n# \u8d77\u52d5\u78ba\u8a8d\r\n$ brew services start mongodb\r\n$ brew services stop mongodb\r\n<\/code><\/pre>\n
\u521b\u5efa\u4e00\u4e2a\u4ed3\u5e93\uff0c\u5b89\u88c5Node\u7684MongoDB npm\u8f6f\u4ef6\u5305\u3002
\nmongodb\/node-mongodb-native<\/p>\n
$ express -e mongodb-prot\r\n$ cd mongodb-prot\r\n$ npm install mongodb --save\r\n<\/code><\/pre>\n
\u8fd9\u4e0e\u4e3b\u9898\u65e0\u5173\uff0c\u4f46\u4e3a\u4e86\u8fdb\u884c\u6587\u4ef6\u66f4\u6539\u540e\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\uff0c\u6211\u4f1a\u5b89\u88c5nodemon\u3002<\/p>\n
$ npm install -g nodemon\r\n<\/code><\/pre>\n
  \"scripts\"<\/span>:<\/span> {<\/span>\r\n    \"prestart\"<\/span>:<\/span> \"eslint .\"<\/span>,<\/span> \/\/<\/span> eslint\u4f7f\u3046\u5834\u5408<\/span>\r\n    \"start\"<\/span>:<\/span> \"node .\/bin\/www\"<\/span>,<\/span>\r\n    \"dev\"<\/span>:<\/span> \"nodemon .\/bin\/www\"<\/span>\r\n  }<\/span>,<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e00\u79cd\u81ea\u7136\u7684\u65b9\u5f0f\u5199\u3002<\/p>\n
 $ npm run dev\r\n<\/code><\/pre>\n
\u8fd0\u884c\u3002\uff08\u5982\u679c\u662f\u901a\u8fc7\u81ea\u5b9a\u4e49\u540d\u79f0\u5b89\u88c5\u7684 dev\uff0c\u4e0d\u80fd\u50cf npm dev \u4e00\u6837\u8fd0\u884c\uff0c\u800c\u662f\u9700\u8981\u8fd0\u884c npm run hoge \u6216 npm run-script hoge\uff09<\/p>\n
\u8bf7\u5c06\u8bdd\u9898\u8f6c\u56de\u5230MongoDB\uff0c\u7136\u540e\u5728\u4ee3\u7801\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eMongoDB\u7684\u6587\u4ef6\u5939\u3002<\/p>\n
$ pwd \/path\/to\/mongodb-prot\r\n$ mkdir data\r\n\/\/ mongodb\u8d77\u52d5\r\n$ mongod --dbpath=data\r\n<\/code><\/pre>\n
\u6211\u5011\u5f9e\u9019\u88e1\u958b\u59cb\u9032\u884c\u7c21\u55ae\u7684CRUD\u64cd\u4f5c\uff0c\u4f7f\u7528MongoDB\u3002<\/p>\n
const<\/span> MongoClient<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>).<\/span>MongoClient<\/span>;<\/span>\r\nconst<\/span> assert<\/span> =<\/span> require<\/span>(<\/span>'<\/span>assert<\/span>'<\/span>);<\/span>\r\nconst<\/span> url<\/span> =<\/span> '<\/span>mongodb:\/\/localhost:27017\/mongodb-prot<\/span>'<\/span>;<\/span>\r\n\r\n\/\/ insert<\/span>\r\nfunction<\/span> insertDocuments<\/span>(<\/span>db<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\r\n    let<\/span> collection<\/span> =<\/span> db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>documents<\/span>'<\/span>);<\/span>\r\n    collection<\/span>.<\/span>insertMany<\/span>([<\/span>\r\n        {<\/span>a<\/span> :<\/span> 1<\/span>},<\/span> {<\/span>a<\/span> :<\/span> 2<\/span>},<\/span> {<\/span>a<\/span> :<\/span> 3<\/span>}<\/span>\r\n        ],<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n            assert<\/span>.<\/span>equal<\/span>(<\/span>err<\/span>,<\/span> null<\/span>);<\/span>\r\n            assert<\/span>.<\/span>equal<\/span>(<\/span>3<\/span>,<\/span> result<\/span>.<\/span>result<\/span>.<\/span>n<\/span>);<\/span>\r\n            assert<\/span>.<\/span>equal<\/span>(<\/span>3<\/span>,<\/span> result<\/span>.<\/span>ops<\/span>.<\/span>length<\/span>);<\/span>\r\n            console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>inserted 3 documents into the collection<\/span>'<\/span>);<\/span>\r\n            callback<\/span>(<\/span>result<\/span>);<\/span>\r\n        });<\/span>\r\n}<\/span>\r\n\r\n\/\/ findAll<\/span>\r\nfunction<\/span> findAllDocuments<\/span>(<\/span>db<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\r\n    let<\/span> collection<\/span> =<\/span> db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>documents<\/span>'<\/span>);<\/span>\r\n    collection<\/span>.<\/span>find<\/span>({}).<\/span>toArray<\/span>(<\/span>function<\/span>(<\/span>err<\/span>,<\/span> docs<\/span>)<\/span> {<\/span>\r\n        assert<\/span>.<\/span>equal<\/span>(<\/span>err<\/span>,<\/span> null<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Found the following records<\/span>'<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>docs<\/span>);<\/span>\r\n        callback<\/span>(<\/span>docs<\/span>);<\/span>\r\n    });<\/span>\r\n}<\/span>\r\n\r\n\/\/ find<\/span>\r\nfunction<\/span> findDocument<\/span>(<\/span>db<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\r\n    let<\/span> collection<\/span> =<\/span> db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>documents<\/span>'<\/span>);<\/span>\r\n    collection<\/span>.<\/span>find<\/span>({<\/span>'<\/span>a<\/span>'<\/span>:<\/span> 3<\/span>}).<\/span>toArray<\/span>(<\/span>function<\/span>(<\/span>err<\/span>,<\/span> docs<\/span>)<\/span> {<\/span>\r\n        assert<\/span>.<\/span>equal<\/span>(<\/span>err<\/span>,<\/span> null<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Found record<\/span>'<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>docs<\/span>);<\/span>\r\n        callback<\/span>(<\/span>docs<\/span>);<\/span>\r\n    });<\/span>\r\n}<\/span>\r\n\r\n\/\/ update<\/span>\r\nfunction<\/span> updateDocment<\/span>(<\/span>db<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\r\n    const<\/span> collection<\/span> =<\/span> db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>documents<\/span>'<\/span>);<\/span>\r\n    collection<\/span>.<\/span>updateOne<\/span>({<\/span>'<\/span>a<\/span>'<\/span>:<\/span> 2<\/span>},<\/span>\r\n        {<\/span> $set<\/span>:<\/span> {<\/span>'<\/span>b<\/span>'<\/span>:<\/span> 1<\/span>}<\/span> },<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n            assert<\/span>.<\/span>equal<\/span>(<\/span>err<\/span>,<\/span> null<\/span>);<\/span>\r\n            assert<\/span>.<\/span>equal<\/span>(<\/span>1<\/span>,<\/span> result<\/span>.<\/span>result<\/span>.<\/span>n<\/span>);<\/span>\r\n            console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Updated the document with the field a equal to 2<\/span>'<\/span>);<\/span>\r\n            callback<\/span>(<\/span>result<\/span>);<\/span>\r\n        });<\/span>\r\n}<\/span>\r\n\r\n\/\/ remove<\/span>\r\nfunction<\/span> removeDocument<\/span>(<\/span>db<\/span>,<\/span> callback<\/span>)<\/span> {<\/span>\r\n    const<\/span> collection<\/span> =<\/span> db<\/span>.<\/span>collection<\/span>(<\/span>'<\/span>documents<\/span>'<\/span>);<\/span>\r\n    collection<\/span>.<\/span>deleteOne<\/span>({<\/span>'<\/span>a<\/span>'<\/span>:<\/span> 3<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n        assert<\/span>.<\/span>equal<\/span>(<\/span>err<\/span>,<\/span> null<\/span>);<\/span>\r\n        assert<\/span>.<\/span>equal<\/span>(<\/span>1<\/span>,<\/span> result<\/span>.<\/span>result<\/span>.<\/span>n<\/span>);<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Removed the document with the field a equal to 3<\/span>'<\/span>);<\/span>\r\n        callback<\/span>(<\/span>result<\/span>);<\/span>\r\n    });<\/span>\r\n}<\/span>\r\n\r\n\/\/ \u63a5\u7d9a\u3057\u3066\u3001\u4e0a\u8a18\u306eCRUD\u3092\u8a66\u3057\u3066\u3044\u304f(\u9069\u5b9c\u7d44\u307f\u5408\u308f\u305b\u3066\u4e0b\u3055\u3044)<\/span>\r\n\/\/ \u4e0b\u8a18\u306finsert\u3057\u3066findAll\u3057\u3066\u308b<\/span>\r\nMongoCient<\/span>.<\/span>connect<\/span>(<\/span>url<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n    assert<\/span>.<\/span>equal<\/span>(<\/span>null<\/span>,<\/span> err<\/span>);<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>connection successfully to server<\/span>'<\/span>);<\/span>\r\n\r\n    insertDocuments<\/span>(<\/span>db<\/span>,<\/span> function<\/span>()<\/span> {<\/span>\r\n        findAllDocuments<\/span>(<\/span>db<\/span>,<\/span> function<\/span>()<\/span> {<\/span>\r\n            db<\/span>.<\/span>close<\/span>();<\/span>\r\n        })<\/span>\r\n    });<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u6587\u4ef6\u5728\u8fd9\u91cc\u3002
\nhttp:\/\/mongodb.github.io\/node-mongodb-native\/2.2\/quick-start\/quick-start\/<\/p>\n
\u53e6\u5916\uff0c\u4e5f\u7a0d\u5fae\u770b\u770bmongo\u7684shell\u3002<\/p>\n
# \u8d77\u52d5\r\n$ mongo\r\n\r\n$ show dbs\r\n$ use mongodb-prot\r\n$ show collections\r\n\r\n# \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6570\u3092\u78ba\u8a8d(\u4eca\u56de\u306f'documents'\u3068\u540d\u4ed8\u3051\u305f\u306e\u3067\u305d\u308c\u3092\u30c1\u30a7\u30c3\u30af)\r\n$ db.documents.count()\r\n\r\n# findAll\r\n$ db.documents.find({})\r\n<\/code><\/pre>\n
\u6587\u4ef6\u5728\u8fd9\u91cc\u3002
\nhttps:\/\/docs.mongodb.com\/getting-started\/shell\/client\/<\/p>\n
\u6211\u4f1a\u628a\u8fd9\u6b21\u4fee\u6539\u8fc7\u7684\u4ee3\u7801\u4e5f\u653e\u5728\u8fd9\u91cc\u3002
\nhttps:\/\/github.com\/mazeltov7\/mongodb-prot<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7248\u672c – node\uff1av6.9.4 – npm\uff1a3.10.10 – expr […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29339","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u4f7f\u7528Node.js\uff08Express\uff09+ MongoDB - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u4f7f\u7528Node.js\uff08Express\uff09+ MongoDB\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\/\u4f7f\u7528node-js\uff08express\uff09-mongodb\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Node.js\uff08Express\uff09+ MongoDB\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u4f7f\u7528Node.js\uff08Express\uff09+ MongoDB\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528node-js\uff08express\uff09-mongodb\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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