{"id":29309,"date":"2023-02-27T07:22:13","date_gmt":"2023-02-26T10:56:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-node-js-%e5%92%8c-mongodb-%e8%bf%9b%e8%a1%8c%e5%8d%8f%e4%bd%9c\/"},"modified":"2025-08-12T13:27:34","modified_gmt":"2025-08-12T05:27:34","slug":"%e4%bd%bf%e7%94%a8-node-js-%e5%92%8c-mongodb-%e8%bf%9b%e8%a1%8c%e5%8d%8f%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-node-js-%e5%92%8c-mongodb-%e8%bf%9b%e8%a1%8c%e5%8d%8f%e4%bd%9c\/","title":{"rendered":"\u4f7f\u7528 Node.js \u548c MongoDB \u8fdb\u884c\u534f\u4f5c"},"content":{"rendered":"<p>\u672c\u6b21\u5c06\u7b80\u5355\u4ecb\u7ecdNode.js\u548cMongoDB\u7684\u534f\u4f5c\u65b9\u6cd5\u3002<\/p>\n<h2>MongoDB\u7684\u7279\u70b9<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4f1a\u89e3\u91ca\u4e00\u4e0bMongoDB\u7684\u7279\u70b9\u3002<\/p>\n<p>MongoDB\u7684\u7279\u70b9\u5982\u4e0b\uff1a<br \/>\n1. \u652f\u6301\u534a\u7ed3\u6784\u5316\u7684\u6570\u636e\u5b58\u50a8\u548c\u7075\u6d3b\u7684\u6570\u636e\u6a21\u578b\u3002<br \/>\n2. \u5f3a\u5927\u7684\u67e5\u8be2\u8bed\u8a00\u548c\u7d22\u5f15\u529f\u80fd\uff0c\u80fd\u591f\u9ad8\u6548\u5730\u68c0\u7d22\u548c\u5206\u6790\u6570\u636e\u3002<br \/>\n3. \u63d0\u4f9b\u6c34\u5e73\u6269\u5c55\u548c\u590d\u5236\u529f\u80fd\uff0c\u652f\u6301\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u3002<br \/>\n4. \u652f\u6301\u5730\u7406\u7a7a\u95f4\u6570\u636e\u548c\u56fe\u6570\u636e\u7684\u5b58\u50a8\u548c\u67e5\u8be2\u3002<br \/>\n5. \u5177\u6709\u53ef\u9760\u6027\u548c\u9ad8\u53ef\u7528\u6027\uff0c\u80fd\u591f\u81ea\u52a8\u5904\u7406\u6545\u969c\u548c\u6545\u969c\u8f6c\u79fb\u3002<br \/>\n6. \u5f00\u653e\u6e90\u4ee3\u7801\uff0c\u62e5\u6709\u6d3b\u8dc3\u7684\u793e\u533a\u548c\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\u3002<\/p>\n<p>\uff081\uff09\u4f5c\u4e3a\u65e0\u6a21\u5f0f\u6587\u6863\u5bfc\u5411\u6570\u636e\u5e93\u7684\u7279\u70b9<br \/>\n&#8211; \u6570\u636e\u4ee5\u65e0\u6a21\u5f0f\u6587\u6863\u7684\u5f62\u5f0f\u5b58\u50a8\uff0c\u53ef\u4ee5\u968f\u65f6\u6dfb\u52a0\u4efb\u610f\u5b57\u6bb5<br \/>\n&#8211; \u53ef\u4ee5\u901a\u8fc7\u68c0\u7d22\u6761\u4ef6\u8fdb\u884c\u5bf9\u6570\u503c\u8fdb\u884c\u641c\u7d22\uff0c\u5b9e\u73b0\u6392\u5e8f\u548c\u805a\u5408<\/p>\n<p>\uff082\uff09\u5177\u5907\u4f5c\u4e3a\u6807\u51c6\u529f\u80fd\u7684\u53ef\u6269\u5c55\u6027\u529f\u80fd<br \/>\n&#8211; \u5177\u5907\u590d\u5236\u529f\u80fd\uff0c\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u529f\u80fd<br \/>\n&#8211; \u5177\u5907\u8303\u56f4\u5206\u533a\u529f\u80fd\uff0c\u81ea\u52a8\u5e73\u8861\u529f\u80fd<\/p>\n<p>(3) \u4e0eRDB\u76f8\u6bd4\uff0c\u5728\u8bfb\u5199\u6027\u80fd\u65b9\u9762\u8868\u73b0\u66f4\u597d<br \/>\n&#8211; \u51cf\u5c11\u4e86\u4e8b\u52a1\u548c\u5173\u7cfb\u9650\u5236\uff0c\u80fd\u591f\u53d1\u6325\u7c7b\u952e\u503c\u5b58\u50a8(KVS)\u7684\u6027\u80fd\u6c34\u5e73\u3002<\/p>\n<p>(4) \u5f00\u53d1\u4fbf\u5229\u6027<br \/>\n&#8211; \u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u4e3b\u8981\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u7684\u57fa\u4e8e\u539f\u751f\u5957\u63a5\u5b57\u534f\u8bae\u5f00\u53d1\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4ee5\u786e\u4fdd\u5728\u4efb\u4f55\u73af\u5883\u4e0b\u90fd\u80fd\u53d1\u6325\u6027\u80fd\u3002<br \/>\n&#8211; \u57fa\u4e8e\u6807\u51c6\u7684REST\u63a5\u53e3\uff0c\u4f7f\u7528\u5e7f\u6cdb\u666e\u53ca\u7684JSON\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n<p>\u6709\u5982\u4e0a\u6240\u8ff0\u7684\u7279\u70b9\u3002<\/p>\n<h2>\u5b89\u88c5MongoDB\u3002<\/h2>\n<p>\u90a3\u4e48\u73b0\u5728\u6211\u4eec\u5f00\u59cb\u5b89\u88c5MongoDB\u5427\u3002<\/p>\n<p>\u9019\u6b21\u6211\u5011\u5c07\u4f7f\u7528Homebrew\u9032\u884c\u5b89\u88dd\u3002<br \/>\n\u5982\u679c\u5c1a\u672a\u5b89\u88ddHomebrew\uff0c\u8acb\u5148\u9032\u884c\u5b89\u88dd\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<br \/>\nbrew tap mongodb\/brew<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u8f6f\u4ef6\u5305\uff1a<br \/>\nbrew \u5b89\u88c5 mongodb-community<\/p>\n<p>\u5b89\u88c5\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u6765\u786e\u8ba4\u4e00\u4e0b\u662f\u5426\u80fd\u591f\u5b9e\u9645\u542f\u52a8\u3002<\/p>\n<p>\u542f\u52a8<br \/>\nbrew\u670d\u52a1\u542f\u52a8mongodb-community<\/p>\n<p>\u505c\u6b62MongoDB\u793e\u533a\u7248\u672c\u7684brew\u670d\u52a1\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u95ee\u9898\u7684\u8bdd\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u6765\u8be6\u7ec6\u786e\u8ba4\u4e00\u4e0b\uff0c\u8bf7\u67e5\u770b\u8fd9\u91cc\u7684\u5b98\u65b9\u8d44\u6599\u3002<\/p>\n<h2>\u4e0eNode.js\u7684\u8fde\u63a5<\/h2>\n<p>\u8ba9\u6211\u4eec\u6765\u5b9e\u9645\u4eceNode.js\u8fde\u63a5\u5230MongoDB\u3002\u9996\u5148\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aSample\/index.js\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efapackage.json\u6587\u4ef6\u3002<br \/>\nnpm init<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5MongoDB\u5305\uff1a<br \/>\nnpm install mongodb &#8211;save<\/p>\n<p>\u73b0\u5728\u51c6\u5907\u5de5\u4f5c\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<br \/>\n\u90a3\u4e48\uff0c\u6211\u6765\u5199\u4ee3\u7801\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">MongoClinet<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mongodb<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">MongoClient<\/span><span class=\"p\">;<\/span><span class=\"c1\">\/\/MongoClient\u53d6\u5f97<\/span>\r\n\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">url<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">mongodb:\/\/localhost:27017\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span><span class=\"err\">\u3000<\/span><span class=\"c1\">\/\/\u4eca\u56de\u306flocalhost\u306a\u306e\u3067\u3053\u306e\u8868\u8a18<\/span>\r\n\r\n<span class=\"nx\">MongoClinet<\/span><span class=\"p\">.<\/span><span class=\"nx\">connect<\/span><span class=\"p\">(<\/span><span class=\"nx\">url<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">client<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">var<\/span> <span class=\"nx\">db<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">db<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">sample<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/\u3069\u306eDB\u3092\u4f7f\u7528\u3059\u308b\u304b<\/span>\r\n  <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">close<\/span><span class=\"p\">();<\/span><span class=\"c1\">\/\/\u64cd\u4f5c\u3092\u884c\u3063\u305f\u5f8c\u306b\u5207\u65ad<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fc5\u9700\u7684\u6700\u4f4e\u4ee3\u7801\u3002<br \/>\n\u73b0\u5728\u51c6\u5907\u597d\u64cd\u4f5c MongoDB \u4e2d\u7684\u540d\u4e3a &#8220;sample&#8221; \u7684\u6570\u636e\u5e93\u4e86\u3002<\/p>\n<p>\u7136\u800c\uff0c\u6211\u65e0\u6cd5\u786e\u5b9a\u76ee\u524d\u662f\u5426\u5df2\u7ecf\u6210\u529f\u8fde\u63a5\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u5199\u4e0b\u4e00\u4e9b\u5b9e\u9645\u6307\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">MongoClinet<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mongodb<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">MongoClient<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">url<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">mongodb:\/\/localhost:27017\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nx\">MongoClinet<\/span><span class=\"p\">.<\/span><span class=\"nx\">connect<\/span><span class=\"p\">(<\/span><span class=\"nx\">url<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">client<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">var<\/span> <span class=\"nx\">db<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">db<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">sample<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nx\">createCollection<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">test<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">collection<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">close<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u5bf9\u540d\u4e3asample\u7684DB\u521b\u5efa\u540d\u4e3atest\u7684collection\u7684\u6307\u4ee4\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u6267\u884c\u4e00\u4e0b\u5427\uff0c\u8fd0\u884c index.js \u8282\u70b9\u3002<\/p>\n<p>\u5728\u6267\u884c\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u5728\u672c\u5730\u4e0a\u542f\u52a8\u4e86MongoDB\uff08\u5982\u679c\u6ca1\u6709\u542f\u52a8\uff0c\u5c06\u4f1a\u51fa\u73b0&#8221;TypeError: Cannot read property &#8216;db&#8217; of undefined&#8221; \u9519\u8bef\uff09\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u786e\u8ba4\u6267\u884c\u7ed3\u679c\u3002<\/p>\n<p>\u5728\u7ec8\u7aef\u4e0a\u8fde\u63a5\u5230MongoDB\u5e76\u8fdb\u884c\u786e\u8ba4\u3002<br \/>\n[\u6b65\u9aa4]<br \/>\n1. \u4f7f\u7528mongo\u547d\u4ee4\u8fde\u63a5\u5230MongoDB\u3002<br \/>\n2. \u4f7f\u7528show dbs\u547d\u4ee4\u67e5\u770b\u6570\u636e\u5e93\u5217\u8868\u3002<br \/>\n3. \u4f7f\u7528use sample\u547d\u4ee4\u8bbf\u95ee\u540d\u4e3asample\u7684\u6570\u636e\u5e93\u3002<br \/>\n4. \u4f7f\u7528show collection\u547d\u4ee4\u67e5\u770b\u5176\u4e2d\u5185\u5bb9\u3002<\/p>\n<p>\u5982\u679c\u5df2\u7ecf\u521b\u5efa\u4e86\u540d\u4e3a&#8221;test&#8221;\u7684\u96c6\u5408\uff0c\u5219\u8bf4\u660e\u6210\u529f\u3002<br \/>\n\u8fd9\u6837\u5c31\u6210\u529f\u5730\u901a\u8fc7Node.js\u8fde\u63a5\u5230\u4e86MongoDB\uff0c\u5e76\u6210\u529f\u5730\u521b\u5efa\u4e86\u96c6\u5408\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6b21\u5c06\u7b80\u5355\u4ecb\u7ecdNode.js\u548cMongoDB\u7684\u534f\u4f5c\u65b9\u6cd5\u3002 MongoDB\u7684\u7279\u70b9 \u9996\u5148\uff0c\u6211\u4f1a\u89e3\u91ca\u4e00\u4e0bMongoD [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29309","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528 Node.js \u548c MongoDB \u8fdb\u884c\u534f\u4f5c - Blog - Silicon 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