{"id":29722,"date":"2023-06-21T03:12:32","date_gmt":"2023-02-15T15:08:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-mongodb-%e7%9a%84%e6%95%85%e9%9a%9c%e8%bd%ac%e7%a7%bb%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e5%af%b9-node-js-%e7%a8%8b%e5%ba%8f%e8%bf%9b%e8%a1%8c%e6%8e%a7%e5%88%b6%e5%92%8c%e7%a1%ae%e8%ae%a4\/"},"modified":"2025-08-12T15:34:24","modified_gmt":"2025-08-12T07:34:24","slug":"%e5%9c%a8-mongodb-%e7%9a%84%e6%95%85%e9%9a%9c%e8%bd%ac%e7%a7%bb%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e5%af%b9-node-js-%e7%a8%8b%e5%ba%8f%e8%bf%9b%e8%a1%8c%e6%8e%a7%e5%88%b6%e5%92%8c%e7%a1%ae%e8%ae%a4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8-mongodb-%e7%9a%84%e6%95%85%e9%9a%9c%e8%bd%ac%e7%a7%bb%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e5%af%b9-node-js-%e7%a8%8b%e5%ba%8f%e8%bf%9b%e8%a1%8c%e6%8e%a7%e5%88%b6%e5%92%8c%e7%a1%ae%e8%ae%a4\/","title":{"rendered":"\u5728 MongoDB \u7684\u6545\u969c\u8f6c\u79fb\u60c5\u51b5\u4e0b\uff0c\u5bf9 Node.js \u7a0b\u5e8f\u8fdb\u884c\u63a7\u5236\u548c\u786e\u8ba4\u64cd\u4f5c"},"content":{"rendered":"<p>\u7531\u4e8e\u6709\u673a\u4f1a\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528MongoDB\uff0c\u6211\u60f3\u8981\u5f15\u5165\u590d\u5236\u548c\u6545\u969c\u8f6c\u79fb\u673a\u5236\uff0c\u5e76\u8bb0\u5f55\u4e86\u5f53\u65f6\u91c7\u53d6\u7684\u63aa\u65bd\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n<p>\u7531\u4e8e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u5df2\u7ecf\u6db5\u76d6\u4e86MongoDB\u7684\u590d\u5236\u548c\u6545\u969c\u8f6c\u79fb\u8bbe\u7f6e\uff0c\u6240\u4ee5\u8fd9\u4e00\u6b21\u4e3b\u8981\u8fdb\u884c\u7a0b\u5e8f\u65b9\u9762\u7684\u5904\u7406\u548c\u884c\u4e3a\u786e\u8ba4\u3002<\/p>\n<h1>\u603b\u7ed3\u8bf7\u786e\u8ba4\u9700\u8981\u91cd\u65b0\u9a8c\u8bc1\u7684\u5185\u5bb9\u4e0e\u4e0a\u6b21\u76f8\u540c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>MongoDB\u7684\u590d\u5236\u548c\u6545\u969c\u8f6c\u79fb\u8bbe\u7f6e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6d4b\u8bd5MongoDB\u7684\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5904\u7406\u548c\u8bbe\u7f6e\u7a0b\u5e8f\u7aef\u5728\u6545\u969c\u8f6c\u79fb\u65f6\u7684\u64cd\u4f5c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u8fde\u63a5\u6570\u7684\u7ba1\u7406<\/ol>\n<p>\u8bf7\u53c2\u8003\u524d\u4e00\u7bc7\u6587\u7ae0\u4e2d\u6709\u5173MongoDB\u5468\u8fb9\u8bbe\u7f6e\u548c\u64cd\u4f5c\u7684\u5185\u5bb9\uff0c\u8fd9\u6b21\u6211\u4eec\u5c06\u5bf9\u7a0b\u5e8f\u7684\u5904\u7406\u548c\u884c\u4e3a\u8fdb\u884c\u786e\u8ba4\uff0c\u5177\u4f53\u5305\u62ec3\u548c4\u7684\u5185\u5bb9\u3002<\/p>\n<h1>\u73af\u5883<\/p>\n<div>\n<div class=\"post-table\">\u5229\u7528\u30c4\u30fc\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3Node.jsv6.11.3Expressv4.13.4mongoosev4.11.7<\/p>\n<h2>\u8bbe\u7f6e\u9996\u5148\uff0c\u5728package.json\u4e2d\u6dfb\u52a0\u6240\u9700\u7684\u5305\u3002<br \/>\n\u672c\u6b21\u8fde\u63a5\u5230MongoDB\u5c06\u4f7f\u7528mongoose\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nl\">\"dependencies\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"body-parser\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.15.2\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"config\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.21.0\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"js-yaml\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^3.6.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"cors\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.7.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"express\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^4.13.4\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"mongodb\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.2.31\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"mongoose\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^4.11.7\"<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0b\u9762\u662fNode.js\u7a0b\u5e8f\u8fde\u63a5\u5230\u6570\u636e\u5e93\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>var mongoose = require('mongoose');\r\nmongoose.Promise = global.Promise;\r\n\r\n\/\/ \u8907\u6570\u3042\u308b\u5834\u5408\u306fhost:port\u3092,\u533a\u5207\u308a\u3067\u8a18\u8f09\u3059\u308b\r\nvar url  = 'mongodb:\/\/localhost.localdomain:50000,localhost.localdomain:50001\/sampledb?replicaSet=LocalRep';\r\n\r\n\/\/ \u4efb\u610f\u3067\u81ea\u7531\u306b\u8a2d\u5b9a\r\nvar options = { \r\n  server: { \r\n \u3000  poolSize: 10, autoReconnect: true,\u3000monitoring: true,\u3000reconnectTries: 10, reconnectInterval: 10\r\n  },\r\n  replset:{\r\n    poolSize: 10,\u3000autoReconnect: true,\u3000monitoring: true,\u3000reconnectTries: 10,\u3000reconnectInterval: 10\r\n  }\r\n};\r\n\r\n\/\/ \u63a5\u7d9a\r\nvar db   = mongoose.createConnection(url, options);\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u5728URL\u4e2d\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5f62\u5f0f\u7f16\u5199\u4e3b\u673a:\u7aef\u53e3\u5373\u53ef\uff08\u5728\u6d4b\u8bd5\u4e2d\uff0c\u7531\u4e8emongoose\u7248\u672c\u7684\u4e0d\u540c\u53ef\u80fd\u65e0\u6cd5\u8fdb\u884c\u591a\u4e2a\u8fde\u63a5\uff0c\u4f46\u7531\u4e8e\u5fd8\u8bb0\u4e86\u5177\u4f53\u7684\u7248\u672c\u53f7\uff0c\u6240\u4ee5\u5728\u6210\u529f\u7684\u7248\u672c(v4.11.7)\u4e0b\u8fdb\u884c\u4e86\u7f16\u5199\uff09\u3002<\/p>\n<h1>\u786e\u8ba4\u5728\u6545\u969c\u8f6c\u79fb\u65f6\uff0c\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002\u6211\u4eec\u5c06\u6839\u636e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u6784\u5efa\u7684\u670d\u52a1\u5668\uff0c\u9a8c\u8bc1\u8fde\u63a5\u5207\u6362\u662f\u5426\u6210\u529f\u3002<\/p>\n<div>\n<div class=\"post-table\">DB\u540d\u30dd\u30fc\u30c8\u5f79\u5272\u5099\u8003DB0150000Primary\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u89aa\u3000DB0250001Secondary\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b50\u3000DB0350002Arbiter\u30c7\u30fc\u30bf\u306f\u4fdd\u6301\u305b\u305a\u3001Primary\u3078\u306e\u6607\u683c\u6295\u7968\u306e\u307f\u3092\u884c\u3046\u5728\u672c\u5730\u73af\u5883\u4e0b\u542f\u52a8\u4e09\u4e2a\u6570\u636e\u5e93\uff0c\u5e76\u8fde\u63a5\u5230DB01\u548cDB02\u3002<br \/>\n\u51c6\u5907\u4e00\u4e2a\u7b80\u5355\u7684API\uff0c\u7528\u4e8e\u7528\u6237\u641c\u7d22\u548c\u8bb0\u5f55\u767b\u5f55\u65e5\u5fd7\uff0c<br \/>\n\u9a8c\u8bc1\u53c2\u8003\u548c\u5199\u5165\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<h2>Database\u7684\u542f\u52a8\u548c\u914d\u7f6e<\/p>\n<pre class=\"post-pre\"><code># DB01\u306e\u8d77\u52d5\r\nmongod --port=50000 --dbpath=\/var\/lib\/mongodb\/db01 --logpath=\/var\/log\/mongodb\/db01.log --replSet=LocalRep --fork\r\n\r\n# DB02\u306e\u8d77\u52d5\r\nmongod --port=50001 --dbpath=\/var\/lib\/mongodb\/db02 --logpath=\/var\/log\/mongodb\/db02.log --replSet=LocalRep --fork\r\n\r\n# DB03\u306e\u8d77\u52d5\r\nmongod --port=50002 --dbpath=\/var\/lib\/mongodb\/db03 --logpath=\/var\/log\/mongodb\/db03.log --replSet=LocalRep --fork\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728\u6267\u884c\u542f\u52a8\u547d\u4ee4\u65f6\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef&#8230;<\/p>\n<pre class=\"post-pre\"><code>$ mongod --port=50000 --dbpath=\/root\/mongod\/db01 --logpath=\/root\/mongod\/logs\/db01.log --replSet=LocalRep --fork\r\nabout to fork child process, waiting until server is ready for connections.\r\nforked process: 11203\r\nERROR: child process failed, exited with error number 1\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u5b58\u5728\u540d\u4e3a\u201cmongod.lock\u201d\u7684\u6587\u4ef6\uff0c\u53ef\u80fd\u65e0\u6cd5\u542f\u52a8\u3002<br \/>\n\u56e0\u6b64\uff0c\u5982\u679c\u5728\u6307\u5b9a\u7684dbpath\u6587\u4ef6\u5939\u53ca\u5176\u5b50\u6587\u4ef6\u5939\u4e2d\u5b58\u5728\u201cmongod.lock\u201d\u6587\u4ef6\uff0c<br \/>\n\u5219\u53ef\u4ee5\u5728\u6267\u884c\u542f\u52a8\u547d\u4ee4\u4e4b\u524d\u5c06\u5176\u5220\u9664\uff0c\u4ee5\u4fbf\u80fd\u591f\u6210\u529f\u542f\u52a8\u3002<\/p>\n<p>\u767b\u5f55\u5230DB01\uff0c\u5e76\u4f7f\u7528\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;sampledb&#8221;\u7684\u6570\u636e\u5e93\uff0c\u7136\u540e\u521b\u5efa&#8221;users&#8221;\u548c&#8221;login.log&#8221;\u96c6\u5408\u3002<\/p>\n<pre class=\"post-pre\"><code>$  mongo --port 50000\r\nLocalRep:PRIMARY&gt; use sampledb;\r\nLocalRep:PRIMARY&gt; db.createCollection('users')\r\n{ \"ok\" : 1 }\r\nLocalRep:PRIMARY&gt; db.createCollection('login.log')\r\n{ \"ok\" : 1 }\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u6d4b\u8bd5\u6570\u636e<\/p>\n<pre class=\"post-pre\"><code>LocalRep:PRIMARY&gt; db.users.insert({loginCode:'12345', userName:'sample'})\r\nWriteResult({ \"nInserted\" : 1 })\r\n<\/code><\/pre>\n<h2>\u7a0b\u5e8f\u7684\u5904\u7406<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u641c\u7d22\u7528\u6237\uff08\u641c\u7d22loginCode\u4e3a12345\u7684\u7528\u6237\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5982\u679c\u5b58\u5728\uff0c\u5219\u8bb0\u5f55\u767b\u5f55\u65e5\u5fd7<\/ol>\n<p>\u203b \u60a8\u53ef\u4ee5\u5728GitHub\u4e0a\u67e5\u770b\u9a8c\u8bc1\u8fc7\u7a0b\u7684\u5b8c\u6574\u7a0b\u5e8f\u3002<\/p>\n<ul class=\"post-ul\">MongoDB\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30b9\u30ad\u30fc\u30de\u306e\u5b9a\u7fa9<\/ul>\n<pre class=\"post-pre\"><code><span class=\"dl\">'<\/span><span class=\"s1\">use strict<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">userSchema<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">loginCode<\/span><span class=\"p\">:{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span><span class=\"nb\">String<\/span><span class=\"p\">},<\/span>\r\n  <span class=\"na\">userName<\/span><span class=\"p\">:{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span><span class=\"nb\">String<\/span><span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n<span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">userSchema<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"dl\">'<\/span><span class=\"s1\">use strict<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">mongoose<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mongoose<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">LoginLogSchema<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">userSchemaId<\/span><span class=\"p\">:<\/span> <span class=\"nx\">mongoose<\/span><span class=\"p\">.<\/span><span class=\"nx\">Schema<\/span><span class=\"p\">.<\/span><span class=\"nx\">Types<\/span><span class=\"p\">.<\/span><span class=\"nx\">ObjectId<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">loginDate<\/span><span class=\"p\">:{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span><span class=\"nb\">Date<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">};<\/span>\r\n<span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">LoginLogSchema<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u5728\u300csrc\/models\/index.js\u300d\u4e2d\u52a0\u8f7d\u4e0a\u8ff0\u7684Schema\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5e93\u8fde\u63a5\u7ba1\u7406\u548c\u4ece\u5404\u4e2aAction\u4e2d\u8fdb\u884c\u8c03\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"c1\">\/\/ \u4e00\u90e8\u629c\u7c8b\uff09\u3000Schema\u306e\u5b9a\u7fa9\u3092\u547c\u3073\u51fa\u3059\u51e6\u7406<\/span>\r\n  <span class=\"nx\">setModels<\/span><span class=\"p\">:<\/span> <span class=\"kd\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nb\">self<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">Config<\/span><span class=\"p\">.<\/span><span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">forEach<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">config<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nx\">models<\/span><span class=\"p\">[<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">model<\/span><span class=\"p\">])<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"kd\">var<\/span> <span class=\"nx\">Schema<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/schema\/<\/span><span class=\"dl\">'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">fileName<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nx\">models<\/span><span class=\"p\">[<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">model<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nx\">createModel<\/span><span class=\"p\">(<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">collection<\/span><span class=\"p\">,<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nx\">mongoose<\/span><span class=\"p\">.<\/span><span class=\"nx\">Schema<\/span><span class=\"p\">(<\/span><span class=\"nx\">Schema<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"na\">collection<\/span><span class=\"p\">:<\/span> <span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">collection<\/span><span class=\"p\">}));<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nx\">createModel<\/span><span class=\"p\">:<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">collectionName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Scheme<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nx\">model<\/span><span class=\"p\">(<\/span><span class=\"nx\">collectionName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Scheme<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30ed\u30b8\u30c3\u30af\u90e8\u5206\u306e\u51e6\u7406\u629c\u7c8b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Model\u3092\u5b9a\u7fa9(\u8a73\u3057\u304f\u306fGitHub\u306e\u30b3\u30fc\u30c9\u3092\u53c2\u8003\uff09<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">BaseModel<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"nx\">path<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\/src\/models\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">UserModel<\/span>     <span class=\"o\">=<\/span> <span class=\"nx\">BaseModel<\/span><span class=\"p\">.<\/span><span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">UserModel<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">LoginLogModel<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">BaseModel<\/span><span class=\"p\">.<\/span><span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">LoginLogModel<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Promise<\/span><span class=\"p\">((<\/span><span class=\"nx\">resolve<\/span><span class=\"p\">,<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\">\/\/ \u30e6\u30fc\u30b6\u3092\u691c\u7d22<\/span>\r\n  <span class=\"nx\">UserModel<\/span><span class=\"p\">.<\/span><span class=\"nx\">findOne<\/span><span class=\"p\">({<\/span><span class=\"na\">loginCode<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">12345<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">res<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">resolve<\/span><span class=\"p\">(<\/span><span class=\"nx\">res<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<span class=\"p\">}).<\/span><span class=\"nx\">then<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"err\">\u3000\u3000\u3000\u3000<\/span><span class=\"c1\">\/\/ \u30e6\u30fc\u30b6\u304c\u5b58\u5728\u3057\u3066\u3044\u308c\u3070\u30ed\u30b0\u30a4\u30f3\u30ed\u30b0\u3092\u6b8b\u3059<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">loginLog<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">LoginLogModel<\/span><span class=\"p\">({<\/span><span class=\"na\">userSchemaId<\/span><span class=\"p\">:<\/span> <span class=\"nx\">user<\/span><span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">_id<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span> <span class=\"na\">loginDate<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">()});<\/span>\r\n    <span class=\"k\">return<\/span>  <span class=\"k\">new<\/span> <span class=\"nb\">Promise<\/span><span class=\"p\">((<\/span><span class=\"nx\">resolve<\/span><span class=\"p\">,<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nx\">loginLog<\/span><span class=\"p\">.<\/span><span class=\"nx\">save<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">res<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"k\">return<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nx\">resolve<\/span><span class=\"p\">(<\/span><span class=\"nx\">res<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">})<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u4e0a\u8ff0\u5904\u7406\u88ab\u8bbe\u7f6e\u5728\u540d\u4e3a\u300c\/api\/v1\/login\u300d\u7684API\u4e0a\uff0c<br \/>\n\u53ef\u4ee5\u901a\u8fc7\u672c\u5730\u73af\u5883\u8bbf\u95ee\u300c http:\/\/localhost:8080\/api\/v1\/login \u300d\u3002<\/p>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/api\/v1\/login\r\n{\"statusCode\":0,\"message\":\"Success.\"}\r\n<\/code><\/pre>\n<p>\u8bf7\u786e\u8ba4\u6570\u636e\u5e93\u4e2d\u5df2\u7ecf\u5f55\u5165\u4e86\u65e5\u5fd7\uff01<\/p>\n<pre class=\"post-pre\"><code>$ mongo --port 50000\r\nLocalRep:PRIMARY&gt; use sampledb;\r\nLocalRep:PRIMARY&gt; db.users.find()\r\n{ \"_id\" : ObjectId(\"59bb33b17748fa4368bf8874\"), \"loginCode\" : \"12345\", \"userName\" : \"sample\" }\r\nLocalRep:PRIMARY&gt; db.login.log.find()\r\n{ \"_id\" : ObjectId(\"59bb34d1f969de2d2a4ae19c\"), \"userSchemaId\" : ObjectId(\"59bb33b17748fa4368bf8874\"), \"loginDate\" : ISODate(\"2017-09-15T02:02:57.803Z\"), \"__v\" : 0 }\r\n<\/code><\/pre>\n<h2>\u6211\u8bd5\u7740\u5173\u95edDB01\u3002<\/p>\n<ul class=\"post-ul\">\u843d\u3068\u3059\u30b3\u30de\u30f3\u30c9<\/ul>\n<pre class=\"post-pre\"><code>sudo ps aux | grep db01 | grep -v 'grep db01' | awk '{print $2}' | xargs kill -9\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30d7\u30ed\u30bb\u30b9\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code>$ ps aux | grep mongo\r\nroot     11292  1.8 14.8 1558696 93952 ?       Sl   02:42   0:39 mongod --port=50001 --dbpath=\/var\/lib\/mongodb\/db02 --logpath=\/var\/log\/mongodb\/db02.log --replSet=LocalRep --fork\r\nroot     11370  1.5  7.9 1078072 49952 ?       Sl   02:42   0:34 mongod --port=50002 --dbpath=\/var\/lib\/mongodb\/db03 --logpath=\/var\/log\/mongodb\/db03.log --replSet=LocalRep --fork\r\nroot     11605  0.0  0.1 103304   884 pts\/1    R+   03:19   0:00 grep mongo\r\n<\/code><\/pre>\n<ul class=\"post-ul\">curl\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/ul>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/api\/v1\/login\r\n{\"statusCode\":0,\"message\":\"Success.\"}\r\n<\/code><\/pre>\n<p>\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u8fde\u63a5\u9519\u8bef\uff0c\u53ef\u4ee5\u6267\u884c\uff01<\/p>\n<ul class=\"post-ul\">DB\u306e\u4e2d\u8eab\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code># DB01\u306f\u843d\u3061\u3066\u3044\u308b\u306e\u3067\u3064\u306a\u304c\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\r\n$ mongo --port 50000\r\nexception: connect failed\r\n\r\n# DB02\u306b\u30a2\u30af\u30bb\u30b9\r\n$ mongo --port 50001\r\nLocalRep:PRIMARY&gt; use sampledb;\r\n\r\n# \u6700\u65b0\u306e\u30ed\u30b0\u30a4\u30f3\u30ed\u30b0\u30921\u4ef6\u3092\u53d6\u5f97\u3059\u308b\r\nLocalRep:PRIMARY&gt; db.login.log.find().sort({'loginDate':-1}).limit(1)\r\n{ \"_id\" : ObjectId(\"59bb34d1f969de2d2a4ae19c\"), \"userSchemaId\" : ObjectId(\"59bb33b17748fa4368bf8874\"), \"loginDate\" : ISODate(\"2017-09-15T02:02:57.803Z\"), \"__v\" : 0 }\r\n<\/code><\/pre>\n<p>\u55ef\uff0c\u770b\u8d77\u6765\u53ef\u4ee5\u6b63\u5e38\u5730\u5c06\u6570\u636e\u5199\u5165\u5230DB02\uff01<\/p>\n<h2>\u5c06DB01\u91cd\u751f<\/p>\n<ul class=\"post-ul\">DB01\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5<\/ul>\n<pre class=\"post-pre\"><code>$ mongod --port=50000 --dbpath=\/var\/lib\/mongodb\/db01 --logpath=\/var\/log\/mongodb\/db01.log --replSet=LocalRep --fork\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30d7\u30ed\u30bb\u30b9\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code>$ ps aux | grep mongo\r\nroot     11292  1.8 14.8 1594552 93660 ?       Sl   02:42   0:45 mongod --port=50001 --dbpath=\/var\/lib\/mongodb\/db02 --logpath=\/var\/log\/mongodb\/db02.log --replSet=LocalRep --fork\r\nroot     11370  1.6  8.2 1078072 52004 ?       Sl   02:42   0:39 mongod --port=50002 --dbpath=\/var\/lib\/mongodb\/db03 --logpath=\/var\/log\/mongodb\/db03.log --replSet=LocalRep --fork\r\nroot     11616  3.0  7.6 1590748 48012 ?       Sl   03:23   0:00 mongod --port=50000 --dbpath=\/var\/lib\/mongodb\/db01 --logpath=\/var\/log\/mongodb\/db01.log --replSet=LocalRep --fork\r\nroot     11706  0.0  0.1 103304   888 pts\/1    R+   03:23   0:00 grep mongo\r\n<\/code><\/pre>\n<ul class=\"post-ul\">curl\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/ul>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/api\/v1\/login\r\n{\"statusCode\":0,\"message\":\"Success.\"}\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4e5f\u80fd\u591f\u65e0\u9519\u8bef\u5730\u6267\u884c\u3002<\/p>\n<ul class=\"post-ul\">DB\u306e\u4e2d\u8eab\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code># \u3068\u308a\u3042\u3048\u305aDB02\u306b\u63a5\u7d9a\r\n$ mongo --port 50001\r\nLocalRep:SECONDARY&gt;\r\n## DB01\u304c\u8d77\u52d5\u3057\u305f\u306e\u3067PRIMARY\u304b\u3089SECONDARY\u306b\u5909\u308f\u3063\u3066\u3044\u308b\r\n\r\n# DB01\u306b\u63a5\u7d9a\r\n$ mongo --port 50000\r\nLocalRep:PRIMARY&gt; use sampledb;\r\n\r\n# \u6700\u65b0\u306e\u30ed\u30b0\u30a4\u30f3\u30ed\u30b0\u30921\u4ef6\u3092\u53d6\u5f97\u3059\u308b\r\nLocalRep:PRIMARY&gt; db.login.log.find().sort({'loginDate':-1}).limit(1);\r\n{ \"_id\" : ObjectId(\"59bb39c0f969de2d2a4ae19f\"), \"userSchemaId\" : ObjectId(\"59bb33b17748fa4368bf8874\"), \"loginDate\" : ISODate(\"2017-09-15T02:24:00.067Z\"), \"__v\" : 0 }\r\n<\/code><\/pre>\n<p>\u55ef\uff0c\u6570\u636e\u6b63\u786e\u5730\u8f93\u5165\u4e86\uff01<\/p>\n<h2>\u6211\u8bd5\u7740\u5173\u95edDB02\u3002\u987a\u4fbf\u68c0\u67e5\u4e00\u4e0b\u5f53\u610f\u5916\u5173\u95edDB02\u65f6\u7684\u5f71\u54cd\u3002<\/p>\n<ul class=\"post-ul\">DB02\u843d\u3068\u3059\u30b3\u30de\u30f3\u30c9<\/ul>\n<pre class=\"post-pre\"><code>sudo ps aux | grep db02 | grep -v 'grep db02' | awk '{print $2}' | xargs kill -9\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30d7\u30ed\u30bb\u30b9\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code>$ ps aux | grep mongo\r\nroot     11616  1.9  8.6 1591776 54304 ?       Sl   03:23   0:04 mongod --port=50000 --dbpath=\/var\/lib\/mongodb\/db01 --logpath=\/var\/log\/mongodb\/db01.log --replSet=LocalRep --fork\r\nroot     11370  1.6  8.2 1078072 52004 ?       Sl   02:42   0:42 mongod --port=50002 --dbpath=\/var\/lib\/mongodb\/db03 --logpath=\/var\/log\/mongodb\/db03.log --replSet=LocalRep --fork\r\nroot     11726  0.0  0.1 103304   876 pts\/1    R+   03:26   0:00 grep mongo\r\n<\/code><\/pre>\n<ul class=\"post-ul\">curl\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/ul>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/api\/v1\/login\r\n{\"statusCode\":0,\"message\":\"Success.\"}\r\n<\/code><\/pre>\n<p>\u8fd9\u4e5f\u53ef\u4ee5\u65e0\u9519\u8bef\u5730\u6267\u884c\u3002<\/p>\n<ul class=\"post-ul\">DB\u306e\u4e2d\u8eab\u78ba\u8a8d<\/ul>\n<pre class=\"post-pre\"><code># \u3068\u308a\u3042\u3048\u305aDB02\u306b\u63a5\u7d9a\u3057\u3001\u843d\u3061\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\r\n$ mongo --port 50001\r\nexception: connect failed\r\n\r\n# DB01\u306b\u63a5\u7d9a\r\n$ mongo --port 50000\r\nLocalRep:PRIMARY&gt; use sampledb;\r\n\r\n# \u6700\u65b0\u306e\u30ed\u30b0\u30a4\u30f3\u30ed\u30b0\u30921\u4ef6\u3092\u53d6\u5f97\u3059\u308b\r\nLocalRep:PRIMARY&gt; db.login.log.find().sort({'loginDate':-1}).limit(1);\r\n{ \"_id\" : ObjectId(\"59bb3aeaf969de2d2a4ae1a0\"), \"userSchemaId\" : ObjectId(\"59bb33b17748fa4368bf8874\"), \"loginDate\" : ISODate(\"2017-09-15T02:28:58.602Z\"), \"__v\" : 0 }\r\n<\/code><\/pre>\n<p>\u55ef\uff0c\u770b\u8d77\u6765\u8fdb\u5c55\u987a\u5229\uff01\u4e0d\u8bba\u54ea\u4e2a\u6570\u636e\u5e93\u65ad\u5f00\uff0c\u7a0b\u5e8f\u90fd\u80fd\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<h1>\u5173\u4e8e\u8fde\u63a5\u4e8b\u9879\u6211\u5728\u4e00\u4e2a\u4e0d\u592a\u719f\u6089\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u4f46\u5b9e\u9645\u8fd0\u884c\u65f6\u8fde\u63a5\u6570\u65e0\u9650\u589e\u52a0\uff0c\u867d\u7136\u7a0b\u5e8f\u5904\u7406\u5df2\u7ecf\u7ed3\u675f\uff0c\u4f46\u8fde\u63a5\u5374\u6ca1\u6709\u65ad\u5f00\uff0c\u51fa\u73b0\u4e86\u65e0\u9650\u589e\u52a0\u7684\u95ee\u9898\u3002(\u6700\u7ec8\u5bfc\u81f4\u4e86\u6570\u636e\u5e93\u5d29\u6e83\u7684\u95ee\u9898&#8230;)<\/p>\n<p>\u539f\u56e0\u662f\u56e0\u4e3a\u5728 Model \u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u8fdb\u884c\u4e86\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u4e14\u6ca1\u6709\u8fdb\u884c\u5355\u4f8b\u7ba1\u7406\uff0c\u56e0\u6b64\u6bcf\u6b21\u5b9e\u4f8b\u5316 Model \u65f6\u90fd\u4f1a\u5efa\u7acb\u8fde\u63a5\uff0c\u800c\u4e14\u6ca1\u6709\u65ad\u5f00\u8fde\u63a5\u7684\u5904\u7406\uff0c\u6240\u4ee5\u5904\u4e8e\u6700\u7cdf\u7cd5\u7684\u60c5\u51b5&#8230;<\/p>\n<pre class=\"post-pre\"><code>\/\/ \u4ee5\u4e0b\u5b9f\u88c5\u30a4\u30e1\u30fc\u30b8\r\nclass BaseModel {\r\n   constructor() {\r\n      \/\/ \u3053\u3053\u3067DB\u3078\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\r\n      this.db = xxxxxx;\r\n   }\r\n}\r\n\r\nclass UserModel extends BaseModel {\r\n   get() {\r\n      \/\/ \u3053\u3053\u3067DB\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\r\n      return this.db.model.find(xxxxxx);\r\n   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