{"id":81369,"date":"2024-10-16T15:19:13","date_gmt":"2024-10-16T07:19:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/81369\/"},"modified":"2024-10-16T15:19:14","modified_gmt":"2024-10-16T07:19:14","slug":"node%e5%a6%82%e4%bd%95%e6%8f%90%e4%ba%a4%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-node-js%e6%8f%90%e4%ba%a4%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/81369\/","title":{"rendered":"Node\u5982\u4f55\u63d0\u4ea4\u6578\u64da\u5230\u6578\u64da\u5eab\uff1f (Node.js\u63d0\u4ea4\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"node%e5%a6%82%e4%bd%95%e6%8f%90%e4%ba%a4%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-node-js%e6%8f%90%e4%ba%a4%e6%95%b8%e6%93%9a%e5%ba%ab-kylyfPzYGj\">Node\u5982\u4f55\u63d0\u4ea4\u6578\u64da\u5230\u6578\u64da\u5eab\uff1f (Node.js\u63d0\u4ea4\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cNode.js\u56e0\u5176\u9ad8\u6548\u7684\u975e\u963b\u585eI\/O\u6a21\u578b\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7576\u958b\u767c\u8005\u9700\u8981\u5c07\u6578\u64da\u63d0\u4ea4\u5230\u6578\u64da\u5eab\u6642\uff0cNode.js\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Node.js\u63d0\u4ea4\u6578\u64da\u5230\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e9%81%b8%e6%93%87%e6%95%b8%e6%93%9a%e5%ba%ab-kylyfPzYGj\">\u9078\u64c7\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u3002Node.js\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff1a<\/strong>\u5982MySQL\u3001PostgreSQL\u7b49\u3002<\/li>\n<li><strong>NoSQL\u6578\u64da\u5eab\uff1a<\/strong>\u5982MongoDB\u3001Cassandra\u7b49\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u985e\u578b\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e6%89%80%e9%9c%80%e7%9a%84%e5%ba%ab-kylyfPzYGj\">\u5b89\u88dd\u6240\u9700\u7684\u5eab<\/h2>\n<p>\u4ee5MySQL\u70ba\u4f8b\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd\u76f8\u61c9\u7684Node.js\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528npm\u4f86\u5b89\u88ddmysql\u5eab\uff1a<\/p>\n<pre><code>npm install mysql<\/code><\/pre>\n<p>\u5c0d\u65bcMongoDB\uff0c\u53ef\u4ee5\u4f7f\u7528mongoose\u5eab\uff1a<\/p>\n<pre><code>npm install mongoose<\/code><\/pre>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-kylyfPzYGj\">\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<h3 id=\"mysql%e7%a4%ba%e4%be%8b-kylyfPzYGj\">MySQL\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>const mysql = require('mysql');\n\nconst connection = mysql.createConnection({\n    host: 'localhost',\n    user: 'yourUsername',\n    password: 'yourPassword',\n    database: 'yourDatabase'\n});\n\nconnection.connect((err) =&gt; {\n    if (err) {\n        console.error('Error connecting: ' + err.stack);\n        return;\n    }\n    console.log('Connected as id ' + connection.threadId);\n});<\/code><\/pre>\n<h3 id=\"mongodb%e7%a4%ba%e4%be%8b-kylyfPzYGj\">MongoDB\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u9023\u63a5\u5230MongoDB\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>const mongoose = require('mongoose');\n\nmongoose.connect('mongodb:\/\/localhost:27017\/yourDatabase', {\n    useNewUrlParser: true,\n    useUnifiedTopology: true\n}).then(() =&gt; {\n    console.log('MongoDB connected');\n}).catch(err =&gt; {\n    console.error('MongoDB connection error: ', err);\n});<\/code><\/pre>\n<h2 id=\"%e6%8f%90%e4%ba%a4%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-kylyfPzYGj\">\u63d0\u4ea4\u6578\u64da\u5230\u6578\u64da\u5eab<\/h2>\n<h3 id=\"mysql%e7%a4%ba%e4%be%8b-kylyfPzYGj\">MySQL\u793a\u4f8b<\/h3>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u63d0\u4ea4\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>const user = { name: 'John Doe', age: 30 };\n\nconst query = 'INSERT INTO users (name, age) VALUES (?, ?)';\nconnection.query(query, [user.name, user.age], (err, results) =&gt; {\n    if (err) {\n        console.error('Error inserting data: ' + err.stack);\n        return;\n    }\n    console.log('Inserted data with ID: ' + results.insertId);\n});<\/code><\/pre>\n<h3 id=\"mongodb%e7%a4%ba%e4%be%8b-kylyfPzYGj\">MongoDB\u793a\u4f8b<\/h3>\n<p>\u5c0d\u65bcMongoDB\uff0c\u53ef\u4ee5\u4f7f\u7528Mongoose\u6a21\u578b\u4f86\u63d0\u4ea4\u6578\u64da\uff1a<\/p>\n<pre><code>const User = mongoose.model('User', new mongoose.Schema({\n    name: String,\n    age: Number\n}));\n\nconst user = new User({ name: 'John Doe', age: 30 });\n\nuser.save().then(() =&gt; {\n    console.log('User saved');\n}).catch(err =&gt; {\n    console.error('Error saving user: ', err);\n});<\/code><\/pre>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-kylyfPzYGj\">\u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u63d0\u4ea4\u6578\u64da\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9023\u63a5\u6578\u64da\u5eab\u9084\u662f\u57f7\u884c\u67e5\u8a62\uff0c\u90fd\u61c9\u8a72\u8003\u616e\u5230\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\u3002\u4f7f\u7528try-catch\u8a9e\u53e5\u6216Promise\u7684.catch()\u65b9\u6cd5\u4f86\u6355\u7372\u932f\u8aa4\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kylyfPzYGj\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528Node.js\u63d0\u4ea4\u6578\u64da\u5230\u6578\u64da\u5eab\uff0c\u5305\u62ec\u9078\u64c7\u6578\u64da\u5eab\u3001\u5b89\u88dd\u6240\u9700\u7684\u5eab\u3001\u9023\u63a5\u6578\u64da\u5eab\u4ee5\u53ca\u63d0\u4ea4\u6578\u64da\u7684\u5177\u9ad4\u793a\u4f8b\u3002\u7121\u8ad6\u662f\u4f7f\u7528MySQL\u9084\u662fMongoDB\uff0cNode.js\u90fd\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406\u6578\u64da\u63d0\u4ea4\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u5730\u5340\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u63d0\u4f9b\u4e86\u512a\u8cea\u7684\u670d\u52d9\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Node.js\u5c07\u6578\u64da\u63d0\u4ea4\u5230\u6578\u64da\u5eab\uff0c\u5305\u62ec\u9023\u63a5\u3001\u67e5\u8a62\u548c\u8655\u7406\u6578\u64da\u7684\u6b65\u9a5f\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-81369","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81369","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=81369"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81369\/revisions"}],"predecessor-version":[{"id":81376,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81369\/revisions\/81376"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=81369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=81369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=81369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}