{"id":159969,"date":"2024-11-03T19:11:19","date_gmt":"2024-11-03T11:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159969\/"},"modified":"2024-11-03T19:11:21","modified_gmt":"2024-11-03T11:11:21","slug":"mongodb-%e6%95%99%e7%a8%8b%ef%bc%9anode-js-%e9%80%a3%e6%8e%a5-mongodb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159969\/","title":{"rendered":"MongoDB \u6559\u7a0b\uff1aNode.js \u9023\u63a5 MongoDB"},"content":{"rendered":"<h1 id=\"mongodb-%e6%95%99%e7%a8%8b%ef%bc%9anode-js-%e9%80%a3%e6%8e%a5-mongodb-feDgElWkcA\">MongoDB \u6559\u7a0b\uff1aNode.js \u9023\u63a5 MongoDB<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cMongoDB \u4f5c\u70ba\u4e00\u7a2e NoSQL \u6578\u64da\u5eab\uff0c\u56e0\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u6bd4\uff0cMongoDB \u4f7f\u7528\u6587\u6a94\u5c0e\u5411\u7684\u6578\u64da\u6a21\u578b\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u8655\u7406\u975e\u7d50\u69cb\u5316\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Node.js \u4e2d\u9023\u63a5 MongoDB\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-feDgElWkcA\">\u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u8edf\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>Node.js\uff1a<\/strong>\u53ef\u4ee5\u5f9e <a href=\"https:\/\/nodejs.org\/\" rel=\"nofollow noopener\" target=\"_blank\">Node.js \u5b98\u65b9\u7db2\u7ad9<\/a> \u4e0b\u8f09\u4e26\u5b89\u88dd\u3002<\/li>\n<li><strong>MongoDB\uff1a<\/strong>\u53ef\u4ee5\u9078\u64c7\u5728\u672c\u5730\u5b89\u88dd MongoDB\uff0c\u6216\u4f7f\u7528\u96f2\u7aef MongoDB \u670d\u52d9\uff0c\u5982 MongoDB Atlas\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-mongodb-%e9%a9%85%e5%8b%95-feDgElWkcA\">\u5b89\u88dd MongoDB \u9a45\u52d5<\/h2>\n<p>\u5728 Node.js \u4e2d\u9023\u63a5 MongoDB\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd MongoDB \u7684 Node.js \u9a45\u52d5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 npm \u4f86\u5b89\u88dd\uff1a<\/p>\n<pre><code>npm install mongodb<\/code><\/pre>\n<h2 id=\"%e9%80%a3%e6%8e%a5-mongodb-feDgElWkcA\">\u9023\u63a5 MongoDB<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Node.js \u4e2d\u9023\u63a5\u5230 MongoDB \u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>const { MongoClient } = require('mongodb');\n\n\/\/ \u66ff\u63db\u70ba\u60a8\u7684 MongoDB \u9023\u63a5\u5b57\u7b26\u4e32\nconst url = 'mongodb:\/\/localhost:27017';\nconst dbName = 'mydatabase';\n\nasync function main() {\n    const client = new MongoClient(url);\n\n    try {\n        \/\/ \u9023\u63a5\u5230 MongoDB\n        await client.connect();\n        console.log('\u6210\u529f\u9023\u63a5\u5230 MongoDB');\n\n        \/\/ \u9078\u64c7\u6578\u64da\u5eab\n        const db = client.db(dbName);\n\n        \/\/ \u5728\u9019\u88e1\u53ef\u4ee5\u9032\u884c\u6578\u64da\u64cd\u4f5c\n    } catch (err) {\n        console.error(err);\n    } finally {\n        \/\/ \u78ba\u4fdd\u5728\u5b8c\u6210\u5f8c\u95dc\u9589\u9023\u63a5\n        await client.close();\n    }\n}\n\nmain().catch(console.error);<\/code><\/pre>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%9a%84-crud-%e6%93%8d%e4%bd%9c-feDgElWkcA\">\u57fa\u672c\u7684 CRUD \u64cd\u4f5c<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230 MongoDB\uff0c\u60a8\u53ef\u4ee5\u9032\u884c\u57fa\u672c\u7684 CRUD\uff08\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u3001\u522a\u9664\uff09\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e6%96%87%e6%aa%94-feDgElWkcA\">\u5275\u5efa\u6587\u6a94<\/h3>\n<pre><code>const collection = db.collection('users');\n\n\/\/ \u63d2\u5165\u4e00\u500b\u65b0\u7528\u6236\nconst newUser = { name: 'Alice', age: 25 };\nconst result = await collection.insertOne(newUser);\nconsole.log(`\u65b0\u7528\u6236\u7684 ID: ${result.insertedId}`);<\/code><\/pre>\n<h3 id=\"%e8%ae%80%e5%8f%96%e6%96%87%e6%aa%94-feDgElWkcA\">\u8b80\u53d6\u6587\u6a94<\/h3>\n<pre><code>const users = await collection.find({}).toArray();\nconsole.log('\u7528\u6236\u5217\u8868:', users);<\/code><\/pre>\n<h3 id=\"%e6%9b%b4%e6%96%b0%e6%96%87%e6%aa%94-feDgElWkcA\">\u66f4\u65b0\u6587\u6a94<\/h3>\n<pre><code>const updateResult = await collection.updateOne(\n    { name: 'Alice' },\n    { $set: { age: 26 } }\n);\nconsole.log(`\u66f4\u65b0\u7684\u6587\u6a94\u6578\u91cf: ${updateResult.modifiedCount}`);<\/code><\/pre>\n<h3 id=\"%e5%88%aa%e9%99%a4%e6%96%87%e6%aa%94-feDgElWkcA\">\u522a\u9664\u6587\u6a94<\/h3>\n<pre><code>const deleteResult = await collection.deleteOne({ name: 'Alice' });\nconsole.log(`\u522a\u9664\u7684\u6587\u6a94\u6578\u91cf: ${deleteResult.deletedCount}`);<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-feDgElWkcA\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 Node.js \u4e2d\u9023\u63a5 MongoDB\uff0c\u4e26\u9032\u884c\u57fa\u672c\u7684 CRUD \u64cd\u4f5c\u3002MongoDB \u7684\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\u4f7f\u5176\u6210\u70ba\u73fe\u4ee3\u61c9\u7528\u958b\u767c\u7684\u7406\u60f3\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\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\u90fd\u80fd\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Node.js \u9023\u63a5 MongoDB\uff0c\u638c\u63e1\u57fa\u672c\u64cd\u4f5c\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5feb\u901f\u69cb\u5efa\u9ad8\u6548\u7684\u6578\u64da\u9a45\u52d5\u61c9\u7528\u7a0b\u5f0f\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-159969","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159969","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=159969"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159969\/revisions"}],"predecessor-version":[{"id":159970,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159969\/revisions\/159970"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}