{"id":64160,"date":"2024-10-14T11:04:16","date_gmt":"2024-10-14T03:04:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64160\/"},"modified":"2024-10-14T11:04:16","modified_gmt":"2024-10-14T03:04:16","slug":"mongoose%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%8c%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e8%a3%a1%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-mongoose%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64160\/","title":{"rendered":"Mongoose\u67e5\u8a62\u6578\u64da\u5eab\u7684\u554f\u984c\uff0c\u89e3\u6c7a\u65b9\u6848\u88e1\u90fd\u6709\u54ea\u4e9b\uff1f (mongoose\u67e5\u4e0d\u5230\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"mongoose%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%8c%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e8%a3%a1%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-OpgSTcgpSN\">Mongoose\u67e5\u8a62\u6578\u64da\u5eab\u7684\u554f\u984c\uff0c\u89e3\u6c7a\u65b9\u6848\u88e1\u90fd\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>Mongoose\u662f\u4e00\u500b\u6d41\u884c\u7684Node.js\u5eab\uff0c\u7528\u65bc\u8207MongoDB\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u5118\u7ba1\u5b83\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u4f46\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u67e5\u8a62\u6578\u64da\u5eab\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528Mongoose\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%9f%a5%e8%a9%a2%e5%95%8f%e9%a1%8c-OpgSTcgpSN\">\u5e38\u898b\u7684\u67e5\u8a62\u554f\u984c<\/h2>\n<p>\u5728\u4f7f\u7528Mongoose\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u500b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u7d50\u679c\u70ba\u7a7a\uff1a<\/strong>\u9019\u662f\u6700\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u67e5\u8a62\u689d\u4ef6\u4e0d\u6b63\u78ba\u6216\u6578\u64da\u5eab\u4e2d\u6839\u672c\u4e0d\u5b58\u5728\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u67e5\u8a62\u6027\u80fd\u4f4e\u4e0b\uff1a<\/strong>\u7576\u6578\u64da\u91cf\u589e\u5927\u6642\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\uff0c\u9019\u901a\u5e38\u8207\u7d22\u5f15\u7684\u4f7f\u7528\u6709\u95dc\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5728\u67e5\u8a62\u6642\uff0c\u5982\u679c\u67e5\u8a62\u689d\u4ef6\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684\u985e\u578b\u4e0d\u5339\u914d\uff0c\u5247\u53ef\u80fd\u7121\u6cd5\u7372\u5f97\u9810\u671f\u7684\u7d50\u679c\u3002<\/li>\n<li><strong>\u7570\u6b65\u64cd\u4f5c\u554f\u984c\uff1a<\/strong>\u7531\u65bcMongoose\u7684\u67e5\u8a62\u662f\u7570\u6b65\u7684\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u5728\u672a\u7372\u5f97\u67e5\u8a62\u7d50\u679c\u4e4b\u524d\u5c31\u57f7\u884c\u5f8c\u7e8c\u4ee3\u78bc\uff0c\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-OpgSTcgpSN\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u4e0a\u8ff0\u554f\u984c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e6%9f%a5%e8%a9%a2%e6%a2%9d%e4%bb%b6-OpgSTcgpSN\">1. \u78ba\u8a8d\u67e5\u8a62\u689d\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u958b\u767c\u8005\u61c9\u8a72\u4ed4\u7d30\u6aa2\u67e5\u67e5\u8a62\u689d\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u9032\u884c\u57fa\u672c\u67e5\u8a62\uff1a<\/p>\n<pre><code>const mongoose = require('mongoose');\nconst User = mongoose.model('User');\n\nUser.find({ name: 'John' }, (err, users) =&gt; {\n    if (err) {\n        console.error(err);\n    } else {\n        console.log(users);\n    }\n});<\/code><\/pre>\n<p>\u78ba\u4fdd\u67e5\u8a62\u689d\u4ef6\u6b63\u78ba\uff0c\u4e26\u4e14\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e6%8f%90%e9%ab%98%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-OpgSTcgpSN\">2. \u4f7f\u7528\u7d22\u5f15\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u958b\u767c\u8005\u61c9\u8a72\u5728\u9700\u8981\u7684\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\u3002\u53ef\u4ee5\u5728\u6a21\u578b\u5b9a\u7fa9\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>const userSchema = new mongoose.Schema({\n    name: { type: String, index: true },\n    age: Number\n});<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h3 id=\"3-%e7%a2%ba%e4%bf%9d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e5%8c%b9%e9%85%8d-OpgSTcgpSN\">3. \u78ba\u4fdd\u6578\u64da\u985e\u578b\u5339\u914d<\/h3>\n<p>\u5728\u67e5\u8a62\u6642\uff0c\u78ba\u4fdd\u67e5\u8a62\u689d\u4ef6\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684\u985e\u578b\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684\u662f\u6578\u5b57\u985e\u578b\uff0c\u5247\u67e5\u8a62\u6642\u4e5f\u61c9\u4f7f\u7528\u6578\u5b57\u985e\u578b\uff1a<\/p>\n<pre><code>User.find({ age: 30 }, (err, users) =&gt; {\n    \/\/ \u8655\u7406\u7d50\u679c\n});<\/code><\/pre>\n<h3 id=\"4-%e8%99%95%e7%90%86%e7%95%b0%e6%ad%a5%e6%93%8d%e4%bd%9c-OpgSTcgpSN\">4. \u8655\u7406\u7570\u6b65\u64cd\u4f5c<\/h3>\n<p>\u7531\u65bcMongoose\u7684\u67e5\u8a62\u662f\u7570\u6b65\u7684\uff0c\u958b\u767c\u8005\u61c9\u8a72\u4f7f\u7528Promise\u6216async\/await\u4f86\u78ba\u4fdd\u5728\u7372\u5f97\u67e5\u8a62\u7d50\u679c\u5f8c\u518d\u57f7\u884c\u5f8c\u7e8c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>async function findUser() {\n    try {\n        const users = await User.find({ name: 'John' });\n        console.log(users);\n    } catch (err) {\n        console.error(err);\n    }\n}\n\nfindUser();<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OpgSTcgpSN\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Mongoose\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u554f\u984c\uff0c\u5982\u67e5\u8a62\u7d50\u679c\u70ba\u7a7a\u3001\u67e5\u8a62\u6027\u80fd\u4f4e\u4e0b\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u53ca\u7570\u6b65\u64cd\u4f5c\u554f\u984c\u3002\u901a\u904e\u78ba\u8a8d\u67e5\u8a62\u689d\u4ef6\u3001\u4f7f\u7528\u7d22\u5f15\u3001\u78ba\u4fdd\u6578\u64da\u985e\u578b\u5339\u914d\u4ee5\u53ca\u6b63\u78ba\u8655\u7406\u7570\u6b65\u64cd\u4f5c\uff0c\u9019\u4e9b\u554f\u984c\u90fd\u53ef\u4ee5\u5f97\u5230\u6709\u6548\u89e3\u6c7a\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u958b\u767c\u8005\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884c\u61c9\u7528\u7a0b\u5e8f\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Mongoose\u67e5\u8a62\u6578\u64da\u5eab\u7684\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u6709\u6548\u89e3\u6c7a\u67e5\u4e0d\u5230\u6578\u64da\u7684\u56f0\u64fe\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-64160","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64160","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=64160"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64160\/revisions"}],"predecessor-version":[{"id":64161,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64160\/revisions\/64161"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=64160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=64160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=64160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}