{"id":30037,"date":"2022-11-16T23:37:16","date_gmt":"2023-11-03T13:28:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%83%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%8c%e4%b8%83%e4%b8%aa%e4%b8%96%e7%95%8c-%e7%ac%ac%e4%ba%94%e7%ab%a0-mongodb-%e7%ac%ac%e4%b8%80%e5%a4%a9-1-2%e3%80%82\/"},"modified":"2025-08-12T17:12:20","modified_gmt":"2025-08-12T09:12:20","slug":"%e4%b8%83%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%8c%e4%b8%83%e4%b8%aa%e4%b8%96%e7%95%8c-%e7%ac%ac%e4%ba%94%e7%ab%a0-mongodb-%e7%ac%ac%e4%b8%80%e5%a4%a9-1-2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%83%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%8c%e4%b8%83%e4%b8%aa%e4%b8%96%e7%95%8c-%e7%ac%ac%e4%ba%94%e7%ab%a0-mongodb-%e7%ac%ac%e4%b8%80%e5%a4%a9-1-2%e3%80%82\/","title":{"rendered":"\u4e03\u4e2a\u6570\u636e\u5e93\uff0c\u4e03\u4e2a\u4e16\u754c-\u7b2c\u4e94\u7ae0 MongoDB \u7b2c\u4e00\u5929 1\/2"},"content":{"rendered":"<h3>\u9996\u5148<\/p>\n<hr \/>\n<p>\u6240\u4ee5\u6700\u7ec8\u9009\u62e9\u4e86MongoDB\u3002\u4e3a\u4ec0\u4e48\u9009\u62e9MongoDB\u5462\uff1f\u4e3b\u8981\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a\u9996\u5148\uff0cMongoDB\u662f\u4e00\u79cdNoSQL\u6570\u636e\u5e93\uff0c\u9002\u7528\u4e8e\u6d77\u91cf\u6570\u636e\u7684\u5904\u7406\u3002\u5176\u6b21\uff0cMongoDB\u5177\u6709\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u8f7b\u677e\u5e94\u5bf9\u672a\u6765\u7684\u9700\u6c42\u53d8\u5316\u3002\u6700\u540e\uff0cMongoDB\u5177\u5907\u5f3a\u5927\u7684\u67e5\u8be2\u548c\u7d22\u5f15\u529f\u80fd\uff0c\u80fd\u591f\u6ee1\u8db3\u6211\u4eec\u5bf9\u65e5\u5fd7\u6570\u636e\u7684\u9ad8\u6548\u5206\u6790\u548c\u5229\u7528\u9700\u6c42\u3002\u56e0\u6b64\uff0c\u6211\u51b3\u5b9a\u4ece\u672c\u7ae0\u5f00\u59cb\u5b66\u4e60MongoDB\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Redis =&gt; \u30cf\u30c3\u30b7\u30e5\u306e\u63a2\u7d22\u304c\u9ad8\u901f\u3067\u3001\u7c21\u5358\u306b\u5206\u6563\u53ef\u80fd\uff08\u3089\u3057\u3044\uff09\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Riak =&gt; Redis\u3068\u540c\u3058\u304f\u3001\u30cf\u30c3\u30b7\u30e5\u306e\u63a2\u7d22\u304c\u9ad8\u901f\u3002\u9ad8\u53ef\u7528\u6027\u3002Erlang\u3067\u4f5c\u3089\u308c\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HBase =&gt; \u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306b\u5f37\u3057\u3002\u5217\u6307\u5411\u3063\u3066\u306e\u304c\u96e3\u3057\u305d\u3046\u3060\u3057\u3001\u3069\u3046\u305b\u306a\u3089Hadoop\u3068\u4e00\u7dd2\u306b\u4f7f\u3044\u305f\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">MongoDB =&gt; \u30c7\u30fc\u30bf\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u304c\u7c21\u5358\u3002\u305f\u3060\u3001\u901f\u5ea6\u304c\u30a4\u30de\u30a4\u30c1\u3089\u3057\u3044\u3002JSON\u3067\u4f7f\u7528\u53ef\u80fd\u3002<\/ul>\n<p>\u8003\u8651\u5230\u8fd9\u4e9b\u6570\u636e\u5e93\u5e76\u4e3a\u4e86\u79cd\u79cd\u539f\u56e0\uff0c\u51b3\u5b9a\u91c7\u7528MongoDB\u3002\u56e0\u4e3a\u5b83\u53ef\u4ee5\u4fdd\u5b58\u4e3aJSON\u683c\u5f0f\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u4f7f\u7528D3.js\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u7acb\u523b\u5f00\u59cb\u5427\u3002<\/p>\n<h3>\u7b80\u800c\u8a00\u4e4b<\/p>\n<hr \/>\n<p>\u636e\u8bf4MongoDB\u4e8e2009\u5e74\u53d1\u5e03\u3002\u6211\u611f\u5230\u60ca\u8bb6\uff0c\u56e0\u4e3a\u5b83\u5f88\u65b0\u9896\u3002\u636e\u8bf4\u5b83\u7ed3\u5408\u4e86\u5f3a\u5927\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u67e5\u8be2\u80fd\u529b\u548c\u5206\u5e03\u5f0f\u6570\u636e\u5b58\u50a8\uff08\u5982Riak\u548cHBase\uff09\u7684\u4f18\u70b9\u3002\u8fd9\u662f\u4e2a\u597d\u6d88\u606f\u3002\u5b83\u6ca1\u6709\u7ed3\u6784\u5316\u6a21\u5f0f\uff0c\u6240\u4ee5\u53ef\u4ee5\u6839\u636e\u6570\u636e\u6a21\u578b\u8fdb\u884c\u589e\u957f\u548c\u53d8\u66f4\uff0c\u5e76\u4e14\u5177\u5907\u6c34\u5e73\u6269\u5c55\u80fd\u529b\u3002<\/p>\n<h3>\u5b89\u88c5\u6b65\u9aa4<\/p>\n<hr \/>\n<p>\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7brew\u8f7b\u677e\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code>brew <span class=\"nb\">install <\/span>mongodb\r\n<span class=\"nb\">mkdir <\/span>mongodb\r\n<span class=\"nb\">mkdir<\/span> \/mongodb\/db\r\n<span class=\"nb\">mkdir<\/span> \/mongodb\/log\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u6211\u521b\u5efa\u4e86mongod\u7528\u4e8e\u4fdd\u5b58\u6570\u636e\u7684\u76ee\u5f55\u548c\u7528\u4e8e\u65e5\u5fd7\u7684\u76ee\u5f55\u3002\u73b0\u5728\u9700\u8981\u6ce8\u518c\u8fd9\u4e2a\u64cd\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\u3002<br \/>\n\u9996\u5148\uff0c\u542f\u52a8Mongo\u670d\u52a1\uff0c\u5e76\u4f7f\u7528&#8211;dbpath\u9009\u9879\u6ce8\u518c\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><code>mongod <span class=\"nt\">--dbpath<\/span> ~\/Documents\/mongodb\/db\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\uff0c\u8bbf\u95eehttp:\/\/localhost:27017\uff0c\u53ef\u4ee5\u786e\u8ba4\u542f\u52a8\u3002\u8981\u7ed3\u675f\uff0c\u53ef\u4ee5\u6309Ctrl+C\u3002<br \/>\n\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5728\u540e\u53f0\u542f\u52a8\u5e76\u4fdd\u5b58\u65e5\u5fd7\uff0c\u53ef\u4ee5\u901a\u8fc7\u9009\u9879\u8fdb\u884c\u6dfb\u52a0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongod <span class=\"nt\">--dbpath<\/span> ~\/Documents\/mongodb\/db <span class=\"nt\">--logpath<\/span> ~\/Documents\/mongodb\/log\/mongodb.log &amp;\r\n<span class=\"nv\">$ <\/span>ps u\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cat <\/span>log\/mongodb.log\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">kill<\/span> <span class=\"nt\">-KILL<\/span> \u30d7\u30ed\u30bb\u30b9ID\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528&#8221;ps u&#8221;\u547d\u4ee4\u6765\u786e\u8ba4\u662f\u5426\u5df2\u7ecf\u542f\u52a8\u3002\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u4ee5\u786e\u8ba4\u65e5\u5fd7\u6587\u4ef6&#8221;mongodb.log&#8221;\u4e2d\u662f\u5426\u79ef\u7d2f\u4e86\u65e5\u5fd7\u4fe1\u606f\u3002\u8981\u505c\u6b62\u4ee5\u540e\u53f0\u65b9\u5f0f\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u60a8\u53ea\u9700\u4f7f\u7528&#8221;kill&#8221;\u547d\u4ee4\uff0c\u5e76\u8f93\u5165\u60a8\u60f3\u8981\u505c\u6b62\u7684\u8fdb\u7a0b\u7684PID\uff08\u8fdb\u7a0bID\uff09\u3002&#8211;\u5f88\u591a\u4eba\u559c\u6b22\u4f7f\u7528&#8221;&#8211;fork&#8221;\u9009\u9879\u6765\u542f\u52a8\uff0c\u4f46\u6211\u8ba4\u4e3a\u53ea\u9700\u5728\u547d\u4ee4\u540e\u52a0\u4e0a&#8221;&amp;&#8221;\u7b26\u53f7\u66f4\u65b9\u4fbf\u3002<\/p>\n<h3>\u7b2c\u4e00\u5929\uff1a &#8220;CRUD\u548c\u5d4c\u5957&#8221;<\/p>\n<hr \/>\n<h4>\u547d\u4ee4\u884c\u5f88\u6709\u8da3<\/p>\n<hr \/>\n<p>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;book&#8221;\u7684\u65b0\u6570\u636e\u5e93\u3002\u9996\u5148\u542f\u52a8mongod\uff0c\u7136\u540e\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>db\r\n<span class=\"nv\">$ <\/span>mongo book\r\nMongoDB shell version: 2.6.7\r\nconnecting to: book\r\nWelcome to the MongoDB shell.\r\nFor interactive <span class=\"nb\">help<\/span>, <span class=\"nb\">type<\/span> <span class=\"s2\">\"help\"<\/span><span class=\"nb\">.<\/span>\r\nFor more comprehensive documentation, see\r\n    http:\/\/docs.mongodb.org\/\r\nQuestions? Try the support group\r\n    http:\/\/groups.google.com\/group\/mongodb-user\r\nServer has startup warnings: \r\n2015-09-17T22:20:25.531+0900 <span class=\"o\">[<\/span>initandlisten] \r\n2015-09-17T22:20:25.531+0900 <span class=\"o\">[<\/span>initandlisten] <span class=\"k\">**<\/span> WARNING: soft rlimits too low. Number of files is 256, should be at least 1000\r\n\r\n<\/code><\/pre>\n<p>\u4e00\u542f\u52a8\uff0c\u9996\u5148\u5728\u63a7\u5236\u53f0\u8f93\u5165help\uff0c\u7136\u540e\u4f1a\u88ab\u544a\u77e5\u8f93\u5165help\u4ee5\u83b7\u5f97\u5e2e\u52a9\u3002<br \/>\n\u770b\u4e86help\u4e4b\u540e\u5c31\u80fd\u77e5\u9053\uff0c\u8981\u67e5\u770b\u6570\u636e\u5e93\u5217\u8868\uff0c\u9700\u8981\u8f93\u5165show dbs\u3002\u8981\u5207\u6362\u6570\u636e\u5e93\uff0c\u9700\u8981\u4f7f\u7528use\u547d\u4ee4\u3002<br \/>\n\u5728Mongo\u4e2d\u521b\u5efa\u96c6\u5408\uff08\u7c7b\u4f3cRiak\u4e2d\u7684bucket\uff09\uff0c\u53ea\u9700\u8981\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u7b2c\u4e00\u6761\u8bb0\u5f55\u5373\u53ef\u3002Mongo\u662f\u65e0\u6a21\u5f0f\u7684\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u4e8b\u5148\u5b9a\u4e49\u4efb\u4f55\u5185\u5bb9\u3002\u5b9e\u9645\u4e0a\uff0c\u5728\u6dfb\u52a0\u4e86\u503c\u4e4b\u524d\uff0cbook\u6570\u636e\u5e93\u4e5f\u662f\u4e0d\u5b58\u5728\u7684\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u7528\u6765\u521b\u5efa\/\u63d2\u5165\u96c6\u5408towns\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.insert({\r\n... name: \"New York\",\r\n... papulation: 22200000,\r\n... last_census: ISODate(\"2009-07-31\"),\r\n... famous_for: [ \"statue of library\", \"food\" ],\r\n... mayor : {\r\n... name : \"Michael Bloomberg\",\r\n... party : \"I\"\r\n... }\r\n... })\r\nWriteResult({ \"nInserted\" : 1 })\r\n<\/code><\/pre>\n<p>\u5728\u524d\u4e00\u8282\u4e2d\uff0c\u89e3\u91ca\u4e86\u6587\u6863\u662f\u4ee5JSON\uff08\u4e25\u683c\u6765\u8bf4\u662fBSON\uff09\u683c\u5f0f\u5b58\u5728\u7684\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684JSON\u683c\u5f0f\u7684\u6587\u6863\u3002\u82b1\u62ec\u53f7{&#8230;}\u8868\u793a\u7531\u952e\u503c\u5bf9\u6784\u6210\u7684\u5bf9\u8c61\uff08\u4e5f\u79f0\u4e3a\u54c8\u5e0c\u8868\u6216\u6620\u5c04\uff09\u3002\u65b9\u62ec\u53f7[&#8230;]\u8868\u793a\u4e00\u4e2a\u6570\u7ec4\u3002\u8fd9\u4e9b\u503c\u53ef\u4ee5\u5d4c\u5957\u5230\u4efb\u610f\u6df1\u5ea6\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528&#8221;show collections&#8221;\u547d\u4ee4\uff0c\u53ef\u4ee5\u67e5\u770b\u5df2\u5b58\u5728\u7684\u96c6\u5408\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; show collections\r\nsystem.indexes\r\ntowns\r\n<\/code><\/pre>\n<p>towns \u662f\u4e4b\u524d\u521b\u5efa\u7684\uff0c\u4f46 system.indexes \u5219\u59cb\u7ec8\u5b58\u5728\u3002\u8981\u5c06\u96c6\u5408\u7684\u5185\u5bb9\u5217\u51fa\uff0c\u53ef\u4ee5\u6267\u884c find() \u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find()\r\n{ \"_id\" : ObjectId(\"55fabee041ad5a22d4d4d977\"), \"name\" : \"New York\", \"papulation\" : 22200000, \"last_census\" : ISODate(\"2009-07-31T00:00:00Z\"), \"famous_for\" : [ \"statue of library\", \"food\" ], \"mayor\" : { \"name\" : \"Michael Bloomberg\", \"party\" : \"I\" } }\r\n<\/code><\/pre>\n<p>\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u540c\u7684\u662f\uff0cMongo\u4e0d\u652f\u6301\u5728\u670d\u52a1\u5668\u7aef\u8fdb\u884c\u8fde\u63a5\u3002\u5728\u4e00\u6b21JavaScript\u8c03\u7528\u4e2d\uff0c\u53ef\u4ee5\u8bfb\u53d6\u6587\u6863\u548c\u5d4c\u5957\u7684\u5185\u5bb9\u3002<br \/>\n\u65b0\u63d2\u5165\u7684\u57ce\u5e02\u7684JSON\u8f93\u51fa\u4e2d\u5305\u542bObjectId\u7684_id\u5b57\u6bb5\u3002\u8fd9\u4e0ePostgreSQL\u7684\u6570\u503c\u7c7b\u578b\u4e3b\u952e\u7684SERIAL\u81ea\u52a8\u9012\u589e\u76f8\u540c\u3002ObjectId\u7531\u65f6\u95f4\u6233\u3001\u5ba2\u6237\u7aef\u673a\u5668ID\u3001\u5ba2\u6237\u7aef\u8fdb\u7a0bID\u548c3\u5b57\u8282\u589e\u91cf\u8ba1\u6570\u5668\u7ec4\u6210\uff0c\u603b\u517112\u5b57\u8282\u3002<br \/>\n\u8fd9\u79cd\u81ea\u52a8\u7f16\u53f7\u673a\u5236\u7684\u597d\u5904\u5728\u4e8e\uff0c\u6240\u6709\u673a\u5668\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u5728\u4e0d\u4e0e\u5176\u4ed6Mongod\u5b9e\u4f8b\u91cd\u590d\u7684\u60c5\u51b5\u4e0b\u751f\u6210ID\u3002\u8fd9\u79cd\u8bbe\u8ba1\u9009\u62e9\u8868\u660e\u4e86Mongo\u7684\u5206\u5e03\u5f0f\u6027\u8d28\u3002<\/p>\n<h5>JavaScript &#8211;<br \/>\nJavaScript (JavaScript)<br \/>\nMongo\u4f7f\u7528JavaScript\u6765\u652f\u6301\u5404\u79cd\u529f\u80fd\uff0c\u4ece\u590d\u6742\u7684mapreduce\u5230\u7b80\u5355\u7684\u5e2e\u52a9\u5de5\u5177\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.help()\r\n&gt; db.towns.help()\r\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u6307\u4ee4\u5217\u51fa\u4e86\u7ed9\u5b9a\u5bf9\u8c61\u7684\u529f\u80fd\u3002db\u662fJavaScript\u5bf9\u8c61\uff0c\u5305\u542b\u6709\u5173\u5f53\u524d\u6570\u636e\u5e93\u7684\u4fe1\u606f\u3002db.x\u662f\u8868\u793a\u540d\u4e3ax\u7684\u96c6\u5408\u7684JavaScript\u5bf9\u8c61\u3002\u8fd9\u4e9b\u6307\u4ee4\u53ea\u662fJavaScript\u51fd\u6570\u800c\u5df2\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; typeof db\r\nobject\r\n&gt; typeof db.towns\r\nobject\r\n&gt; typeof db.towns.insert\r\nfunction\r\n<\/code><\/pre>\n<p>\u60f3\u8981\u67e5\u770b\u51fd\u6570\u7684\u6e90\u4ee3\u7801\uff0c\u53ef\u4ee5\u4e0d\u5e26\u53c2\u6570\u548c\u62ec\u53f7\u8c03\u7528\u51fd\u6570\uff08\u53ef\u4ee5\u53c2\u8003Python\uff0c\u5b83\u66f4\u63a5\u8fd1Ruby\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.insert\r\nfunction ( obj , options, _allow_dot ){\r\n    if ( ! obj )\r\n        throw \"no object passed to insert!\";\r\n\r\n    var flags = 0;\r\n\r\n    var wc = undefined;\r\n    var allowDottedFields = false;\r\n    if ( options === undefined ) {\r\n        \/\/ do nothing\r\n    }\r\n    else if ( typeof(options) == 'object' ) {\r\n        if (options.ordered === undefined) {\r\n            \/\/do nothing, like above\r\n        } else {\r\n            flags = options.ordered ? 0 : 1;\r\n        }\r\n\r\n        if (options.writeConcern)\r\n            wc = options.writeConcern;\r\n        if (options.allowdotted)\r\n            allowDottedFields = true;\r\n    } else {\r\n        flags = options;\r\n    }\r\n\r\n    \/\/ 1 = continueOnError, which is synonymous with unordered in the write commands\/bulk-api\r\n    var ordered = ((flags &amp; 1) == 0);\r\n\r\n    if (!wc)\r\n        wc = this.getWriteConcern();\r\n\r\n    var result = undefined;\r\n    var startTime = (typeof(_verboseShell) === 'undefined' ||\r\n                     !_verboseShell) ? 0 : new Date().getTime();\r\n\r\n    if ( this.getMongo().writeMode() != \"legacy\" ) {\r\n        \/\/ Bit 1 of option flag is continueOnError. Bit 0 (stop on error) is the default.\r\n        var bulk = ordered ? this.initializeOrderedBulkOp() : this.initializeUnorderedBulkOp();\r\n        var isMultiInsert = Array.isArray(obj);\r\n\r\n        if (isMultiInsert) {\r\n            obj.forEach(function(doc) {\r\n                bulk.insert(doc);\r\n            });\r\n        }\r\n        else {\r\n            bulk.insert(obj);\r\n        }\r\n\r\n        try {\r\n            result = bulk.execute(wc);\r\n            if (!isMultiInsert)\r\n                result = result.toSingleResult();\r\n        }\r\n        catch( ex ) {\r\n            if ( ex instanceof BulkWriteError ) {\r\n                result = isMultiInsert ? ex.toResult() : ex.toSingleResult();\r\n            }\r\n            else if ( ex instanceof WriteCommandError ) {\r\n                result = isMultiInsert ? ex : ex.toSingleResult();\r\n            }\r\n            else {\r\n                \/\/ Other exceptions thrown\r\n                throw ex;\r\n            }\r\n        }\r\n    }\r\n    else {\r\n        if ( ! _allow_dot ) {\r\n            this._validateForStorage( obj );\r\n        }\r\n\r\n        if ( typeof( obj._id ) == \"undefined\" &amp;&amp; ! Array.isArray( obj ) ){\r\n            var tmp = obj; \/\/ don't want to modify input\r\n            obj = {_id: new ObjectId()};\r\n            for (var key in tmp){\r\n                obj[key] = tmp[key];\r\n            }\r\n        }\r\n\r\n        this.getMongo().insert( this._fullName , obj, flags );\r\n\r\n        \/\/ enforce write concern, if required\r\n        if (wc)\r\n            result = this.runCommand(\"getLastError\", wc instanceof WriteConcern ? wc.toJSON() : wc);\r\n    }\r\n\r\n    this._lastID = obj._id;\r\n    this._printExtraInfo(\"Inserted\", startTime);\r\n    return result;\r\n}\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\uff0c\u6211\u73b0\u5728\u8981\u79bb\u5f00shell\uff0c\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u5c06\u6587\u6863\u6dfb\u52a0\u5230towns\u96c6\u5408\u7684JavaScript\u51fd\u6570\u3002\u6587\u4ef6\u5939\u7ed3\u6784\u662f\/mongo\/js\/js\u6587\u4ef6\u5939\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">function<\/span> <span class=\"nx\">insertCity<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">name<\/span><span class=\"p\">,<\/span> <span class=\"nx\">population<\/span><span class=\"p\">,<\/span> <span class=\"nx\">last_census<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">famous_for<\/span><span class=\"p\">,<\/span> <span class=\"nx\">mayor_info<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nx\">towns<\/span><span class=\"p\">.<\/span><span class=\"nx\">insert<\/span><span class=\"p\">({<\/span>\r\n        <span class=\"na\">name<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">name<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">population<\/span><span class=\"p\">:<\/span> <span class=\"nx\">population<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">last_census<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">ISODate<\/span><span class=\"p\">(<\/span> <span class=\"nx\">last_census<\/span> <span class=\"p\">),<\/span>\r\n        <span class=\"na\">famous_for<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">famous_for<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">mayor<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">mayor_info<\/span>\r\n    <span class=\"p\">});<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u628a\u8fd9\u6bb5\u4ee3\u7801\u7c98\u8d34\u5230shell\u4e2d\uff0c\u5c31\u53ef\u4ee5\u8c03\u7528\u5b83\u4e86\u3002\u672c\u4e66\u53ea\u6709\u8fd9\u4e00\u6bb5\u89e3\u91ca\uff0c\u4f46\u662f\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5fc5\u987b\u52a0\u8f7dinsert_city.js\u624d\u80fd\u5728book\u4e2d\u4f7f\u7528\u8be5\u51fd\u6570\u3002\u5b9e\u9645\u64cd\u4f5c\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongo book ~\/Documents\/mongodb\/js\/insert_city.js <span class=\"nt\">--shell<\/span>\r\nMongoDB shell version: 2.6.7\r\nconnecting to: book\r\n<span class=\"nb\">type<\/span> <span class=\"s2\">\"help\"<\/span> <span class=\"k\">for <\/span><span class=\"nb\">help\r\n<\/span>Server has startup warnings: \r\n2015-09-17T22:20:25.531+0900 <span class=\"o\">[<\/span>initandlisten] \r\n2015-09-17T22:20:25.531+0900 <span class=\"o\">[<\/span>initandlisten] <span class=\"k\">**<\/span> WARNING: soft rlimits too low. Number of files is 256, should be at least 1000\r\n<span class=\"o\">&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u4e00\u6765\uff0cinsert_city.js\u548cbook\u88ab\u8fde\u63a5\u5728\u4e00\u8d77\u4e86\u3002\u901a\u8fc7\u6dfb\u52a0&#8211;shell\u9009\u9879\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; insertCity(\"Punxsutawney\", 6200, '2008-01-31', [\"phil the groundhog\"], { name : \"Jim Wehrle\" } )\r\n&gt; insertCity(\"Portland\", 582000, '2007-09-20', [\"beer\", \"food\"], { name : \"Sam Adams\", party : \"D\" } )\r\n&gt; db.towns.find()\r\n{ \"_id\" : ObjectId(\"55fabee041ad5a22d4d4d977\"), \"name\" : \"New York\", \"papulation\" : 22200000, \"last_census\" : ISODate(\"2009-07-31T00:00:00Z\"), \"famous_for\" : [ \"statue of library\", \"food\" ], \"mayor\" : { \"name\" : \"Michael Bloomberg\", \"party\" : \"I\" } }\r\n{ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\"), \"name\" : \"Punxsutawney\", \"population\" : 6200, \"last_census\" : ISODate(\"2008-01-31T00:00:00Z\"), \"famous_for\" : [ \"phil the groundhog\" ], \"mayor\" : { \"name\" : \"Jim Wehrle\" } }\r\n{ \"_id\" : ObjectId(\"55fac75793b946919b1619eb\"), \"name\" : \"Portland\", \"population\" : 582000, \"last_census\" : ISODate(\"2007-09-20T00:00:00Z\"), \"famous_for\" : [ \"beer\", \"food\" ], \"mayor\" : { \"name\" : \"Sam Adams\", \"party\" : \"D\" } }\r\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8fd9\u4e2a\u96c6\u5408\u4e2d\u5df2\u7ecf\u6709\u4e09\u4e2atowns\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e4b\u524d\u63d0\u5230\u7684db.towns.find()\u6765\u9a8c\u8bc1\u8fd9\u4e2a\u7ed3\u679c\u3002<\/p>\n<h4>\u5728Mongo\u4e2d\u66f4\u52a0\u6709\u8da3\u3002<\/p>\n<hr \/>\n<p>\u901a\u8fc7\u8c03\u7528find()\u51fd\u6570\u4e14\u4e0d\u5e26\u53c2\u6570\uff0c\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u6587\u6863\u3002\u8981\u8bbf\u95ee\u7279\u5b9a\u7684\u6587\u6863\uff0c\u9700\u8981\u8bbe\u7f6e_id\u5c5e\u6027\u3002\u7531\u4e8e_id\u662fObjectId\u7c7b\u578b\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7ObjectId(str)\u5c06\u7528\u4e8e\u67e5\u8be2\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aObjectId\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find({ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\") })\r\n{ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\"), \"name\" : \"Punxsutawney\", \"population\" : 6200, \"last_census\" : ISODate(\"2008-01-31T00:00:00Z\"), \"famous_for\" : [ \"phil the groundhog\" ], \"mayor\" : { \"name\" : \"Jim Wehrle\" } }\r\n<\/code><\/pre>\n<p>find()\u51fd\u6570\u6709\u4e00\u4e2a\u53ef\u9009\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u7528\u4e8e\u7b5b\u9009\u8981\u8bfb\u53d6\u7684\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u57ce\u5e02\u7684\u540d\u79f0\uff0c\u5219\u53ef\u4ee5\u4f20\u9012\u5c06name\u8bbe\u4e3a1\uff08\u6216true\uff09\uff0c\u540c\u65f6\u4e0e_id\u4e00\u8d77\u4f7f\u7528\u7684\u53c2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find({ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\") }, { name : 1 })\r\n{ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\"), \"name\" : \"Punxsutawney\" }\r\n<\/code><\/pre>\n<p>\u76f8\u53cd\u5730\uff0c\u7576\u8b80\u53d6\u9664\u4e86name\u4ee5\u5916\u7684\u6240\u6709\u5b57\u6bb5\u6642\uff0c\u5c07name\u8a2d\u7f6e\u70ba0\uff08\u6216false\u6216null\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find({ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\") }, { name : 0 })\r\n{ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\"), \"population\" : 6200, \"last_census\" : ISODate(\"2008-01-31T00:00:00Z\"), \"famous_for\" : [ \"phil the groundhog\" ], \"mayor\" : { \"name\" : \"Jim Wehrle\" } }\r\n<\/code><\/pre>\n<p>\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u5b57\u6bb5\u503c\u3001\u8303\u56f4\u548c\u6761\u4ef6\u6765\u521b\u5efa\u4efb\u610f\u67e5\u8be2\uff08\u8fd9\u4e0ePostgreSQL\u76f8\u540c\uff09\u3002\u4f8b\u5982\uff0c\u8981\u67e5\u627e\u9996\u5b57\u6bcd\u4ee5\u201cP\u201d\u5f00\u5934\u4e14\u4eba\u53e3\u5c11\u4e8e10,000\u7684\u57ce\u9547\uff0c\u53ef\u4ee5\u4f7f\u7528Perl\u517c\u5bb9\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff08PCRE\uff09\u548c\u8303\u56f4\u8fd0\u7b97\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find(\r\n... { name : \/^P\/, population : { $lt : 10000 } },\r\n... { name : 1, population : 1 }\r\n... )\r\n{ \"_id\" : ObjectId(\"55fac70993b946919b1619ea\"), \"name\" : \"Punxsutawney\", \"population\" : 6200 }\r\n<\/code><\/pre>\n<p>Mongo\u7684\u6761\u4ef6\u8fd0\u7b97\u7b26\u9075\u5faafield: {$op: value}\u7684\u683c\u5f0f\u3002$op\u4f3c\u4e4e\u662f\u4ee3\u8868$ne\uff08\u4e0d\u7b49\uff09\u7b49\u8fd0\u7b97\u7b26\u3002\u6211\u53ef\u80fd\u60f3\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u4f8b\u5982field &lt; value\uff0c\u4f46\u8fd9\u662fJavaScript\u4ee3\u7801\u7684\u7279\u5f81\u3002<br \/>\n\u4f7f\u7528JavaScript\u4f5c\u4e3a\u67e5\u8be2\u8bed\u8a00\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u81ea\u5df1\u521b\u5efa\u8fd0\u7b97\u7b26\u3002\u6211\u5c1d\u8bd5\u521b\u5efa\u4e00\u4e2a\u6761\u4ef6\u8fd0\u7b97\u7b26\uff0c\u4ee5\u8868\u793a\u201c\u4eba\u53e3\u5927\u4e8e1\u4e07\u4eba\u4e14\u5c0f\u4e8e100\u4e07\u4eba\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; var population_range = {}\r\n&gt; population_range['$lt'] = 1000000\r\n1000000\r\n&gt; population_range['$gt'] = 10000\r\n10000\r\n&gt; db.towns.find( { name : \/^P\/, population : population_range }, { name : 1 } )\r\n{ \"_id\" : ObjectId(\"55fac75793b946919b1619eb\"), \"name\" : \"Portland\" }\r\n<\/code><\/pre>\n<p>\u800c\u4e14\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u8bfb\u53d6\u6570\u5b57\u8303\u56f4\uff0c\u4e5f\u53ef\u4ee5\u8bfb\u53d6\u65e5\u671f\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u641c\u7d22\u57282008\u5e741\u670831\u65e5\u4e4b\u524d\u7684\u6240\u6709name\uff0c\u5176\u4e2d&#8221;last_census&#8221;\u662f\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.towns.find(\r\n... { last_census : { $lte : ISODate('2008-01-31') } },\r\n... { _id : 0, name : 1 }\r\n... )\r\n{ \"name\" : \"Punxsutawney\" }\r\n{ \"name\" : \"Portland\" }\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8fd8\u8981\u6ce8\u610f\u5230\u5c06_id\u5b57\u6bb5\u8bbe\u7f6e\u4e3a0\u5e76\u4e14\u6ca1\u6709\u663e\u793a\u3002<\/p>\n<h3>\u6700\u540e\u4e00\u53e5\u8bdd<\/p>\n<hr \/>\n<p>\u56e0\u4e3a\u542f\u52a8\u65b9\u6cd5\u7b49\u5b89\u88c5\u65b9\u6cd5\u90e8\u5206\u5bb9\u6613\u88ab\u5fd8\u8bb0\uff0c\u6240\u4ee5\u76f8\u5f53\u91cd\u8981\u3002<\/p>\n<p>\u56e0\u4e3a\u53d1\u73b0\u4e86\u4e00\u672c\u53eb\u505aMongoDB\u7684\u8584\u4e66\u7684PDF\uff0c\u6240\u4ee5\u6211\u60f3\u8bd5\u7740\u8bfb\u4e00\u8bfb\u3002<\/p>\n<p>\u7531\u4e8eMongoDB\u4e00\u5929\u7684\u5185\u5bb9\u5f88\u957f\uff0c\u6240\u4ee5\u6211\u5206\u6210\u4e86\u4e24\u534a\u3002\u660e\u5929\u7ee7\u7eed\u8bfb\u3002<\/p>\n<h3>\u8bf7\u9605\u8bfb\u4ee5\u4e0a\u5185\u5bb9\u3002<\/p>\n<hr \/>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Mac\u306bMongoDB\u3092\u5165\u308c\u76f4\u3057\u305f\u3002brew\u4f7f\u308f\u305a\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u305f\u30e1\u30e2 &#8211; Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5fd8\u308c\u304c\u3061\u306a\u8a18\u61b6\u3078 mongo\u306e\u8d77\u52d5\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">mongo\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u30b7\u30a7\u30eb\u306e\u4f7f\u3044\u65b9\u30e1\u30e2 &#8211; \u30da\u30a4\u30d1\u30fc\u30fb\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u30ba\u30fb\u30c0\u30a4\u30a2\u30ea\u30fc<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6240\u4ee5\u6700\u7ec8\u9009\u62e9\u4e86MongoDB\u3002\u4e3a\u4ec0\u4e48\u9009\u62e9MongoDB\u5462\uff1f\u4e3b\u8981\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a\u9996\u5148\uff0cMongoDB\u662f\u4e00\u79cd [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30037","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast 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