{"id":29636,"date":"2023-11-18T15:03:38","date_gmt":"2022-12-15T00:30:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%a0%e4%b8%ba%e4%b8%8d%e4%ba%86%e8%a7%a3-mongodb-%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%b1%a0%ef%bc%8c%e6%89%80%e4%bb%a5%e8%bf%9b%e8%a1%8c%e4%ba%86%e8%b0%83%e6%9f%a5%e3%80%82\/"},"modified":"2025-08-12T15:06:53","modified_gmt":"2025-08-12T07:06:53","slug":"%e5%9b%a0%e4%b8%ba%e4%b8%8d%e4%ba%86%e8%a7%a3-mongodb-%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%b1%a0%ef%bc%8c%e6%89%80%e4%bb%a5%e8%bf%9b%e8%a1%8c%e4%ba%86%e8%b0%83%e6%9f%a5%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%a0%e4%b8%ba%e4%b8%8d%e4%ba%86%e8%a7%a3-mongodb-%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%b1%a0%ef%bc%8c%e6%89%80%e4%bb%a5%e8%bf%9b%e8%a1%8c%e4%ba%86%e8%b0%83%e6%9f%a5%e3%80%82\/","title":{"rendered":"\u56e0\u4e3a\u4e0d\u4e86\u89e3 MongoDB \u7684\u8fde\u63a5\u6c60\uff0c\u6240\u4ee5\u8fdb\u884c\u4e86\u8c03\u67e5"},"content":{"rendered":"<p>\u5f88\u62b1\u6b49\uff0c\u6211\u7f3a\u4e4fMongoDB\u7b49NoSQL\u7684\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u6700\u8fd1\u6b63\u5728\u5b66\u4e60\u4e2d\u3002\u6211\u6b63\u5728\u4f7f\u7528Express+Typescript\u9879\u76ee\u7684\u6a21\u677f\uff0c\u901a\u8fc7\u521b\u5efaExpress\u5e94\u7528\u6765\u8fde\u63a5MongoDB\u3002<\/p>\n<p>\u6211\u6b63\u5728\u4f7f\u7528MongoDB\u7684\u5b98\u65b9\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4f46\u662f\u5728\u8fde\u63a5\u6570\u636e\u5e93\u90e8\u5206\uff0c\u6211\u7ecf\u5e38\u770b\u5230\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"nf\">connect<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mongodb:\/\/localhost:27017\/db<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span> <span class=\"nx\">db<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">collection<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mycollection<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">insertOne<\/span><span class=\"p\">(<\/span><span class=\"nx\">xxxxxx<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">close<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u7b80\u5355\u5730\u8bf4\uff0c\u6bcf\u6b21\u90fd\u8fde\u63a5\u548c\u5173\u95ed\u8fde\u63a5\u5417\uff1f\u662f\u6ca1\u6709\u8fde\u63a5\u6c60\u7684\u5417\uff1f\u6211\u8bd5\u9a8c\u8bc1\u660e\u4e86\u8fd9\u4e00\u70b9\u7684\u5b9e\u9645\u6587\u7ae0\u3002<\/p>\n<p>\u6211\u968f\u610f\u5730\u8c03\u67e5\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u53ef\u4ee5\u5728MongoClient\u4e2d\u6307\u5b9a\u8fde\u63a5\u6c60\u7684\u5927\u5c0f\uff0c\u800c\u4e14\u5373\u4f7f\u8c03\u7528\u4e86connect\u65b9\u6cd5\uff0c\u4e5f\u4e0d\u4e00\u5b9a\u6bcf\u6b21\u90fd\u4f1a\u5efa\u7acb\u8fde\u63a5\uff0c\u800c\u662f\u590d\u7528\u4e86\u8fde\u63a5\u6c60\u4e2d\u7684\u8fde\u63a5\u3002<\/p>\n<p>\u6211\u4f1a\u5c1d\u8bd5\u5404\u79cd\u5b9e\u9a8c\u3002<\/p>\n<h3>\u6682\u65f6\u5148\u8bd5\u8bd5\u770b<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">connect<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"nf\">connect<\/span><span class=\"p\">(<\/span><span class=\"nx\">MONGODB_URI<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">minPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u6570\u309240\u306b\u3057\u3066\u307f\u308b<\/span>\r\n    <span class=\"na\">maxPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">});<\/span>\r\n\r\n  <span class=\"k\">return<\/span> <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">db<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">example<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nf\">connect<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ \u63a5\u7d9a<\/span>\r\n<\/code><\/pre>\n<h3>\u7ed3\u679c (ji\u00e9 gu\u01d2)<\/h3>\n<pre class=\"post-pre\"><code>&gt; db.serverStatus().connections\r\n{\r\n        \"current\" : 42, \/\/ \u30ed\u30fc\u30ab\u30eb\u306e\u63a5\u7d9a\u3082\u3042\u308b\u306e\u3067\u591a\u5c11\u305a\u308c\u308b\u3051\u3069OK\r\n        \"available\" : 777,\r\n        \"totalCreated\" : 304,\r\n        \"active\" : 2,\r\n        \"exhaustIsMaster\" : 0,\r\n        \"exhaustHello\" : 0,\r\n        \"awaitingTopologyChanges\" : 1\r\n}\r\n<\/code><\/pre>\n<p>\u5f53\u60a8\u542f\u52a8Express\u5e76\u8c03\u7528connect\u65f6\uff0c\u4f1a\u521b\u5efa40\u4e2a\u8fde\u63a5\u3002<br \/>\n\u65e0\u8bba\u8c03\u7528connect\u591a\u5c11\u6b21\uff0c\u662f\u5426\u4f1a\u91cd\u590d\u4f7f\u7528\u6700\u521d\u521b\u5efa\u7684\u8fde\u63a5\u6c60\uff1f<\/p>\n<p>\u76f4\u89c9\u4e0a\uff0c\u4f3c\u4e4e\u9700\u8981\u91cd\u590d\u4f7f\u7528\u6700\u521d\u8c03\u7528\u7684MongoClient.connect\u7684\u8fd4\u56de\u503c\uff08client\uff09\u3002<br \/>\n\u4e3a\u4e86\u8bd5\u9a8c\uff0c\u6211\u4f1a\u5c1d\u8bd5\u8c03\u752840\u6b21connect\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">connect<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"nf\">connect<\/span><span class=\"p\">(<\/span><span class=\"nx\">MONGODB_URI<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">minPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">maxPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">});<\/span>\r\n\r\n  <span class=\"k\">return<\/span> <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">db<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">example<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">for <\/span><span class=\"p\">(<\/span><span class=\"kd\">let<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">40<\/span><span class=\"p\">;<\/span> <span class=\"nx\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">connect<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u7ed3\u679c<\/h3>\n<pre class=\"post-pre\"><code>&gt; db.serverStatus().connections\r\n{\r\n        \"current\" : 485, \/\/ 40\u4f59\u88d5\u3067\u8d85\u3048\u3066\u308b\uff01\uff01\r\n        \"available\" : 334,\r\n        \"totalCreated\" : 8256,\r\n        \"active\" : 2,\r\n        \"exhaustIsMaster\" : 0,\r\n        \"exhaustHello\" : 0,\r\n        \"awaitingTopologyChanges\" : 1\r\n}\r\n<\/code><\/pre>\n<p>\u786e\u5b9e\u662f\u8fd9\u6837\u7684\uff0c\u867d\u7136\u4e0d\u592a\u7b97\u5f97\u4e0a\u662f\u4e00\u4e2a\u6b63\u786e\u7684\u8ba1\u7b97\uff0c\u4f46\u603b\u4e4b\u597d\u50cf\u4e0d\u592a\u9002\u5408\u6bcf\u6b21\u90fd\u8c03\u7528connect\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u53ef\u80fd\u7684\u505a\u6cd5\u662f\u5c06connect\u7684\u7ed3\u679c\u653e\u5165\u5168\u5c40\u53d8\u91cf\u4e2d\uff0c\u542f\u52a8Express \u2192 \u7136\u540e\u5171\u4eab\u7ed9\u5927\u5bb6\u3002\u4e00\u5b9a\u662f\u8fd9\u6837\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">connect<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"nf\">connect<\/span><span class=\"p\">(<\/span><span class=\"nx\">MONGODB_URI<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">minPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">maxPoolSize<\/span><span class=\"p\">:<\/span> <span class=\"mi\">40<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">let<\/span> <span class=\"nx\">db<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Db<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ \u3053\u308c\u3092\u307f\u3093\u306a\u3067\u4f7f\u3044\u307e\u308f\u3059<\/span>\r\n\r\n<span class=\"c1\">\/\/ connect\u306b\u6210\u529f\u3057\u305f\u3089db\u3092\u5909\u6570\u306b\u683c\u7d0d<\/span>\r\n<span class=\"c1\">\/\/ \u305d\u306e\u5f8c\u30b5\u30fc\u30d0\u3092\u8d77\u52d5\u3059\u308b<\/span>\r\n<span class=\"nf\">connect<\/span><span class=\"p\">().<\/span><span class=\"nf\">then<\/span><span class=\"p\">((<\/span><span class=\"nx\">d<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">db<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">d<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nx\">server<\/span><span class=\"p\">.<\/span><span class=\"nf\">listen<\/span><span class=\"p\">(<\/span><span class=\"nx\">port<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u611f\u89c9\u597d\u50cf\u662f\u8fd9\u6837\u7684\u2026\u2026\u6211\u89c9\u5f97\u5728\u67d0\u4e2a\u9875\u9762\u4e0a\u4e5f\u770b\u5230\u8fc7\u7c7b\u4f3c\u7684\u63cf\u8ff0\u2026\u2026\u5982\u679c\u6709\u505a\u9519\u4ec0\u4e48\uff0c\u8bf7\u6307\u51fa\u6765\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f88\u62b1\u6b49\uff0c\u6211\u7f3a\u4e4fMongoDB\u7b49NoSQL\u7684\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u6700\u8fd1\u6b63\u5728\u5b66\u4e60\u4e2d\u3002\u6211\u6b63\u5728\u4f7f\u7528Express+Typescri [&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-29636","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>\u56e0\u4e3a\u4e0d\u4e86\u89e3 MongoDB \u7684\u8fde\u63a5\u6c60\uff0c\u6240\u4ee5\u8fdb\u884c\u4e86\u8c03\u67e5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u56e0\u4e3a\u4e0d\u4e86\u89e3 MongoDB \u7684\u8fde\u63a5\u6c60\uff0c\u6240\u4ee5\u8fdb\u884c\u4e86\u8c03\u67e5\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\" 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