{"id":29754,"date":"2023-08-27T12:57:18","date_gmt":"2023-03-05T22:23:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu%e4%b8%8a%e5%ae%89%e8%a3%85mongodb%e5%b9%b6%e4%bd%bf%e7%94%a8shell%e5%92%8cpython%e8%bf%9b%e8%a1%8c%e6%93%8d%e4%bd%9c%e9%aa%8c%e8%af%81%e3%80%82\/"},"modified":"2025-08-12T15:43:44","modified_gmt":"2025-08-12T07:43:44","slug":"%e5%9c%a8ubuntu%e4%b8%8a%e5%ae%89%e8%a3%85mongodb%e5%b9%b6%e4%bd%bf%e7%94%a8shell%e5%92%8cpython%e8%bf%9b%e8%a1%8c%e6%93%8d%e4%bd%9c%e9%aa%8c%e8%af%81%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu%e4%b8%8a%e5%ae%89%e8%a3%85mongodb%e5%b9%b6%e4%bd%bf%e7%94%a8shell%e5%92%8cpython%e8%bf%9b%e8%a1%8c%e6%93%8d%e4%bd%9c%e9%aa%8c%e8%af%81%e3%80%82\/","title":{"rendered":"\u5728Ubuntu\u4e0a\u5b89\u88c5MongoDB\u5e76\u4f7f\u7528Shell\u548cPython\u8fdb\u884c\u64cd\u4f5c\u9a8c\u8bc1"},"content":{"rendered":"<p>\u6211\u5728Ubuntu\u4e0a\u5b89\u88c5\u4e86MongoDB\uff0c\u5e76\u4f7f\u7528Shell\u548cPython\uff08PyMongo\u5305\uff09\u8fdb\u884c\u4e86\u7b80\u5355\u7684\u64cd\u4f5c\u786e\u8ba4\u3002\u5b89\u88c5\u65b9\u6cd5\u8bf7\u53c2\u8003\u201c\u5728Ubuntu\u4e0a\u5b89\u88c5MongoDB\u793e\u533a\u7248\u201d\uff0c\u5e76\u53c2\u8003\u201c\u5165\u95e8\u6307\u5357\u201d\u3002<\/p>\n<h1>\u73af\u5883<\/p>\n<div>\n<div class=\"post-table\">\u7a2e\u985e\u30d0\u30fc\u30b8\u30e7\u30f3\u5185\u5bb9OSUbuntu18.04.01 LTS\u4eee\u60f3\u3067\u52d5\u304b\u3057\u3066\u3044\u307e\u3059MongoDB4.2.02019\u5e749\u6708\u306b\u6700\u65b0Python3.6.8Pyenv\u3067\u52d5\u304b\u3057\u3066\u3044\u307e\u3059<\/p>\n<h1>\u6d41\u7a0b<\/p>\n<h2>1. \u5b89\u88c5\u4f7f\u7528.deb\u8f6f\u4ef6\u5305\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h3>1.1. \u5bfc\u5165MongoDB\u7684\u516c\u94a5\u4ece\u7ec8\u7aef\u5bfc\u5165MongoDB\u7684\u516c\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code>wget <span class=\"nt\">-qO<\/span> - https:\/\/www.mongodb.org\/static\/pgp\/server-4.2.asc | <span class=\"nb\">sudo <\/span>apt-key add -\r\n<\/code><\/pre>\n<h3>1.2. \u521b\u5efaMongoDB\u7684\u5217\u8868\u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">echo<\/span> <span class=\"s2\">\"deb [ arch=amd64 ] https:\/\/repo.mongodb.org\/apt\/ubuntu bionic\/mongodb-org\/4.2 multiverse\"<\/span> | <span class=\"nb\">sudo tee<\/span> \/etc\/apt\/sources.list.d\/mongodb-org-4.2.list\r\n<\/code><\/pre>\n<h3>1.3. \u91cd\u65b0\u52a0\u8f7d\u5305DB<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt-get update\r\n<\/code><\/pre>\n<h3>1.4. \u5b89\u88c5MongoDB<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt-get <span class=\"nb\">install<\/span> <span class=\"nt\">-y<\/span> mongodb-org\r\n<\/code><\/pre>\n<h2>2. MongoDB\u542f\u52a8<\/p>\n<h3>2.1. \u542f\u52a8MongoDB\u542f\u52a8mongod<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>service mongod start\r\n<\/code><\/pre>\n<h3>\u4ece\u65e5\u5fd7\u6587\u4ef6\u4e2d\u786e\u8ba4\u542f\u52a8\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo cat<\/span> \/var\/log\/mongodb\/mongod.log\r\n<\/code><\/pre>\n<p>\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u4ee5\u786e\u8ba4\u662f\u5426\u5df2\u542f\u52a8\u3002\u5982\u679c\u5df2\u542f\u52a8\uff0c\u5219\u4f1a\u5728\u6700\u540e\u4e00\u884c\u8f93\u51fa\u7b49\u5f85\u8bf7\u6c42\u7684\u9ed8\u8ba4\u7aef\u53e327017\u3002<\/p>\n<pre class=\"post-pre\"><code>2019-09-09T17:09:45.872+0900 I NETWORK  <span class=\"o\">[<\/span>initandlisten] waiting <span class=\"k\">for <\/span>connections on port 27017\r\n<\/code><\/pre>\n<h2>3. \u53ef\u4ee5\u7b80\u5355\u5730\u5728Mongo Shell\u4e2d\u5c1d\u8bd5\u5728\u542f\u52a8mongod\u7684\u72b6\u6001\u4e0b\uff0c\u5c1d\u8bd5\u4f7f\u7528mongo shell\u3002<\/p>\n<h3>3.1. \u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e3\u8fde\u63a5\u672c\u5730 MongoDB\u3002\u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e327017\u8fde\u63a5\u5230\u672c\u5730\u7684MongoDB\u3002<\/p>\n<pre class=\"post-pre\"><code>mongo\r\n<\/code><\/pre>\n<p>\u663e\u793a\u6570\u636e\u5e93\u3002test\u662f\u9ed8\u8ba4\u6570\u636e\u5e93\u7684\u540d\u79f0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db\r\n<span class=\"nb\">test<\/span>\r\n<\/code><\/pre>\n<p>DB\u7684\u66f4\u6539\u3002\u8fd9\u6b21\u9009\u62e9\u4e86\u672a\u6ce8\u518c\u7684\u6570\u636e\u5e93myNewDatabase\uff0c\u5e76\u540c\u65f6\u8fdb\u884c\u6570\u636e\u5e93\u6ce8\u518c\u548c\u66f4\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>use myNewDatabase\r\nswitched to db myNewDatabase\r\n<\/code><\/pre>\n<p>\u5411myNewDatabase\u4e2d\u7684myCollection\u8868\u8fdb\u884c\u63d2\u5165\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.myCollection.insertOne<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> x: 1 <span class=\"o\">}<\/span> <span class=\"o\">)<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">{<\/span>\r\n    <span class=\"s2\">\"acknowledged\"<\/span> : <span class=\"nb\">true<\/span>,\r\n    <span class=\"s2\">\"insertedId\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9166e0424b2e17c7ce5eb\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u53d6\u5f97\u8868\u4e2d\u503c\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.myCollection.find<span class=\"o\">()<\/span>.pretty<span class=\"o\">()<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9166e0424b2e17c7ce5eb\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"x\"<\/span> : 1 <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>4. \u5c1d\u8bd5\u66f4\u6df1\u5165\u5730\u4f7f\u7528mongo Shell\u6211\u4f1a\u66f4\u6df1\u5165\u5730\u5c1d\u8bd5mongo Shell\u4e00\u4e0b\u3002<br \/>\n\u6211\u4f1a\u6ce8\u518c\u4e00\u4e2a\u540d\u4e3ainventory\u7684\u6570\u636e\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>use inventory\r\nswitched to db inventory\r\n<\/code><\/pre>\n<h3>4.1. \u63d2\u5165<br \/>\n\u4e00\u6b21\u63d2\u5165\u591a\u884c\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.insertMany<span class=\"o\">([<\/span>\r\n   \/\/ MongoDB adds the _id field with an ObjectId <span class=\"k\">if <\/span>_id is not present\r\n   <span class=\"o\">{<\/span> item: <span class=\"s2\">\"journal\"<\/span>, qty: 25, status: <span class=\"s2\">\"A\"<\/span>,\r\n       size: <span class=\"o\">{<\/span> h: 14, w: 21, uom: <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, tags: <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>,\r\n   <span class=\"o\">{<\/span> item: <span class=\"s2\">\"notebook\"<\/span>, qty: 50, status: <span class=\"s2\">\"A\"<\/span>,\r\n       size: <span class=\"o\">{<\/span> h: 8.5, w: 11, uom: <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, tags: <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>,\r\n   <span class=\"o\">{<\/span> item: <span class=\"s2\">\"paper\"<\/span>, qty: 100, status: <span class=\"s2\">\"D\"<\/span>,\r\n       size: <span class=\"o\">{<\/span> h: 8.5, w: 11, uom: <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, tags: <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"plain\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>,\r\n   <span class=\"o\">{<\/span> item: <span class=\"s2\">\"planner\"<\/span>, qty: 75, status: <span class=\"s2\">\"D\"<\/span>,\r\n       size: <span class=\"o\">{<\/span> h: 22.85, w: 30, uom: <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, tags: <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>,\r\n   <span class=\"o\">{<\/span> item: <span class=\"s2\">\"postcard\"<\/span>, qty: 45, status: <span class=\"s2\">\"A\"<\/span>,\r\n       size: <span class=\"o\">{<\/span> h: 10, w: 15.25, uom: <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, tags: <span class=\"o\">[<\/span> <span class=\"s2\">\"blue\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">])<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"o\">{<\/span>\r\n    <span class=\"s2\">\"acknowledged\"<\/span> : <span class=\"nb\">true<\/span>,\r\n    <span class=\"s2\">\"insertedIds\"<\/span> : <span class=\"o\">[<\/span>\r\n        ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ec\"<\/span><span class=\"o\">)<\/span>,\r\n        ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ed\"<\/span><span class=\"o\">)<\/span>,\r\n        ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ee\"<\/span><span class=\"o\">)<\/span>,\r\n        ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ef\"<\/span><span class=\"o\">)<\/span>,\r\n        ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5f0\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">]<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>4.2. \u67e5\u8be2\u67e5\u8be2\u7cfb\u7edf\u3002<\/p>\n<h4>4.2.1. \u5b8c\u5168\u83b7\u53d6<br \/>\n\u83b7\u53d6\u6240\u6709\u5185\u5bb9\uff0c\u65e0\u641c\u7d22\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{}<\/span> <span class=\"o\">)<\/span>\r\n\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ec\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"journal\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 25, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 14, <span class=\"s2\">\"w\"<\/span> : 21, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ed\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"notebook\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 50, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ee\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"paper\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 100, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"plain\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ef\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"planner\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 75, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 22.85, <span class=\"s2\">\"w\"<\/span> : 30, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5f0\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"postcard\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 45, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 10, <span class=\"s2\">\"w\"<\/span> : 15.25, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blue\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>4.2.2. \u6709\u6761\u4ef6\u7684\u641c\u7d22<br \/>\n\u4f7f\u7528\u641c\u7d22\u6761\u4ef6\u8fdb\u884c\u641c\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> status: <span class=\"s2\">\"D\"<\/span> <span class=\"o\">}<\/span> <span class=\"o\">)<\/span>\r\n\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ee\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"paper\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 100, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"plain\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ef\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"planner\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 75, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 22.85, <span class=\"s2\">\"w\"<\/span> : 30, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>4.2.3. \u5bf9\u4e8e\u6df1\u5c42\u6b21\u90e8\u5206\u7684\u5b8c\u5168\u5339\u914d\u641c\u7d22\u5728\u6df1\u5c42\u6b21\u90e8\u5206\u8fdb\u884c\u5b8c\u5168\u5339\u914d\u6761\u4ef6\u7684\u641c\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> size: <span class=\"o\">{<\/span> h: 14, w: 21, uom: <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span> <span class=\"o\">}<\/span> <span class=\"o\">)<\/span>\r\n\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ec\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"journal\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 25, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 14, <span class=\"s2\">\"w\"<\/span> : 21, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>4.2.4. \u5bf9\u6df1\u5c42\u6b21\u90e8\u5206\u7684\u6761\u4ef6\u641c\u7d22\u3002\u5728\u6df1\u5c42\u6b21\u7684\u90e8\u5206\u8fdb\u884c\u5e38\u89c4\u5e26\u6761\u4ef6\u7684\u641c\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> <span class=\"s2\">\"size.uom\"<\/span>: <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span> <span class=\"o\">)<\/span>\r\n\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ed\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"notebook\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 50, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ee\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"paper\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 100, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"plain\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>4.2.5. \u641c\u7d22\u9488\u5bf9\u5177\u6709\u591a\u7ea7\u5d4c\u5957\u7684\u6570\u7ec4\u7c7b\u578b\u7684\u6df1\u5c42\u6b21\u90e8\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> tags: <span class=\"s2\">\"red\"<\/span> <span class=\"o\">}<\/span> <span class=\"o\">)<\/span>\r\n\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ec\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"journal\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 25, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 14, <span class=\"s2\">\"w\"<\/span> : 21, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ed\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"notebook\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 50, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ee\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"paper\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 100, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"plain\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ef\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"planner\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 75, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"D\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 22.85, <span class=\"s2\">\"w\"<\/span> : 30, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"cm\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"blank\"<\/span>, <span class=\"s2\">\"red\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>4.2.6. \u5b8c\u5168\u5339\u914d\u641c\u7d22\u9002\u7528\u4e8e\u6570\u7ec4\u7c7b\u578b\u4e2d\u7684\u6df1\u5c42\u90e8\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.inventory.find<span class=\"o\">(<\/span> <span class=\"o\">{<\/span> tags: <span class=\"o\">[<\/span><span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span><span class=\"o\">]<\/span> <span class=\"o\">}<\/span> <span class=\"o\">)<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5cb9184d0424b2e17c7ce5ed\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"item\"<\/span> : <span class=\"s2\">\"notebook\"<\/span>, <span class=\"s2\">\"qty\"<\/span> : 50, <span class=\"s2\">\"status\"<\/span> : <span class=\"s2\">\"A\"<\/span>, <span class=\"s2\">\"size\"<\/span> : <span class=\"o\">{<\/span> <span class=\"s2\">\"h\"<\/span> : 8.5, <span class=\"s2\">\"w\"<\/span> : 11, <span class=\"s2\">\"uom\"<\/span> : <span class=\"s2\">\"in\"<\/span> <span class=\"o\">}<\/span>, <span class=\"s2\">\"tags\"<\/span> : <span class=\"o\">[<\/span> <span class=\"s2\">\"red\"<\/span>, <span class=\"s2\">\"blank\"<\/span> <span class=\"o\">]<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>4.3. \u5220\u9664\u6570\u636e\u5e93\u6211\u5c06\u5220\u9664\u6b64\u6b21\u6ce8\u518c\u5e76\u4f7f\u7528\u7684DBinventory\u6570\u636e\u5e93\u3002<br \/>\n\u6211\u5c06\u4f7f\u7528db.dropDatabase\u547d\u4ee4\u8fdb\u884c\u5220\u9664\uff0c\u5e76\u901a\u8fc7\u4f7f\u7528show dbs\u547d\u4ee4\u6765\u786e\u8ba4\u5b83\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>db.dropDatabase<span class=\"o\">()<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"dropped\"<\/span> : <span class=\"s2\">\"inventory\"<\/span>, <span class=\"s2\">\"ok\"<\/span> : 1 <span class=\"o\">}<\/span>\r\n\r\n<span class=\"nv\">$ <\/span>show dbs\r\nadmin          0.000GB\r\nconfig         0.000GB\r\n<span class=\"nb\">local          <\/span>0.000GB\r\nmyNewDatabase  0.000GB\r\n<\/code><\/pre>\n<h3>4.4. \u5173\u95edShell\u7a0b\u5e8f\u9000\u51fashell\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">exit<\/span>\r\n<\/code><\/pre>\n<h2>5. Python\u5c01\u88c5 PyMongo<\/p>\n<h3>5.1. \u5b89\u88c5<br \/>\n\u4f7f\u7528pip\u5b89\u88c5Python\u5305\u88c5\u7a0b\u5e8fPyMongo\u3002\u4f7f\u7528venv\u6765\u7ba1\u7406Python\u865a\u62df\u73af\u5883\u3002\u6709\u5173Python\u7248\u672c\u548c\u865a\u62df\u73af\u5883\u7ba1\u7406\uff0c\u8bf7\u53c2\u8003\u201c\u5728Ubuntu\u4e0a\u4f7f\u7528pyenv\u548cvenv\u642d\u5efaPython\u5f00\u53d1\u73af\u5883\u201d\u6587\u7ae0\u3002<br \/>\nPyMongo3.9.0\u5df2\u6210\u529f\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code>pip <span class=\"nb\">install <\/span>pymongo\r\n<\/code><\/pre>\n<p>\u4f7f\u7528Jupyter\u6765\u8fd0\u884cPyMongo\u3002<\/p>\n<pre class=\"post-pre\"><code>jupyter lab\r\n<\/code><\/pre>\n<h3>\u7528Jupyter\u5728Python\u4e0a\u8fdb\u884c\u6267\u884c\u3002\u6211\u4eec\u5c06\u4eceJupyter\u4e0a\u6267\u884cPython\u64cd\u4f5c\u3002<br \/>\n\u5728\u6b64\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u542f\u52a8MongoDB\u3002<\/p>\n<h4>5.2.1. \u8fde\u63a5\u5230MongoDB\u8fde\u63a5\u5230\u672c\u5730\u7684MongoDB\uff0c\u5e76\u4f7f\u7528\u9ed8\u8ba4\u7aef\u53e3\u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">pymongo<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">MongoClient<\/span>\r\n<span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"n\">MongoClient<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<h4>5.2.2. \u83b7\u53d6\/\u521b\u5efa\u6570\u636e\u5e93\u3002\u672c\u6b21\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3atest_database\u7684\u6570\u636e\u5e93\u3002\u5982\u679c\u5df2\u7ecf\u521b\u5efa\u4e86\uff0c\u5219\u53ea\u9700\u8981\u83b7\u53d6\u5b83\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528 db = client[&#8216;test-database&#8217;] \u7684\u5199\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">db<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"p\">.<\/span><span class=\"n\">test_database<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f7f\u7528\u547d\u4ee4list_database_names\uff0c\u53ef\u4ee5\u786e\u8ba4\u6709\u54ea\u4e9b\u6570\u636e\u5e93\u5b58\u5728\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">client<\/span><span class=\"p\">.<\/span><span class=\"n\">list_database_names<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<h4>5.2.3. \u83b7\u53d6\u6536\u85cf\u54c1\u83b7\u53d6\u96c6\u5408\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528 collection = db[&#8216;test-collection&#8217;] \u7684\u5199\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">collection<\/span> <span class=\"o\">=<\/span> <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">test_collection<\/span>\r\n<\/code><\/pre>\n<h4>5.2.4. \u63d2\u5165<br \/>\n\u4f7f\u7528JSON\u683c\u5f0f\u51c6\u5907\u6570\u636e\uff0c\u5e76\u4f7f\u7528insert_one\u51fd\u6570\u8fdb\u884c\u63d2\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">datetime<\/span>\r\n<span class=\"n\">post<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Mike\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">\"text\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"My first blog post!\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">\"tags\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"mongodb\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"python\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"pymongo\"<\/span><span class=\"p\">],<\/span>\r\n        <span class=\"s\">\"date\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">datetime<\/span><span class=\"p\">.<\/span><span class=\"n\">datetime<\/span><span class=\"p\">.<\/span><span class=\"n\">utcnow<\/span><span class=\"p\">()}<\/span>\r\n<span class=\"n\">posts<\/span> <span class=\"o\">=<\/span> <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">posts<\/span>\r\n<span class=\"n\">post_id<\/span> <span class=\"o\">=<\/span> <span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">insert_one<\/span><span class=\"p\">(<\/span><span class=\"n\">post<\/span><span class=\"p\">).<\/span><span class=\"n\">inserted_id<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528find_one\u51fd\u6570\u8fdb\u884c\u7ed3\u679c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">pprint<\/span>\r\n<span class=\"n\">pprint<\/span><span class=\"p\">.<\/span><span class=\"n\">pprint<\/span><span class=\"p\">(<\/span><span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">find_one<\/span><span class=\"p\">())<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span><span class=\"err\">'_id':<\/span> <span class=\"err\">ObjectId('<\/span><span class=\"mi\">5<\/span><span class=\"err\">d<\/span><span class=\"mi\">7<\/span><span class=\"err\">a<\/span><span class=\"mi\">4<\/span><span class=\"err\">f<\/span><span class=\"mi\">7055<\/span><span class=\"err\">f<\/span><span class=\"mi\">20912298<\/span><span class=\"err\">f<\/span><span class=\"mi\">04<\/span><span class=\"err\">d<\/span><span class=\"mi\">4<\/span><span class=\"err\">')<\/span><span class=\"p\">,<\/span>\r\n <span class=\"err\">'author':<\/span> <span class=\"err\">'Mike'<\/span><span class=\"p\">,<\/span>\r\n <span class=\"err\">'date':<\/span> <span class=\"err\">datetime.datetime(<\/span><span class=\"mi\">2019<\/span><span class=\"p\">,<\/span> <span class=\"mi\">9<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">,<\/span> <span class=\"mi\">13<\/span><span class=\"p\">,<\/span> <span class=\"mi\">59<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11<\/span><span class=\"p\">,<\/span> <span class=\"mi\">121000<\/span><span class=\"err\">)<\/span><span class=\"p\">,<\/span>\r\n <span class=\"err\">'tags':<\/span> <span class=\"p\">[<\/span><span class=\"err\">'mongodb'<\/span><span class=\"p\">,<\/span> <span class=\"err\">'python'<\/span><span class=\"p\">,<\/span> <span class=\"err\">'pymongo'<\/span><span class=\"p\">],<\/span>\r\n <span class=\"err\">'text':<\/span> <span class=\"err\">'My<\/span> <span class=\"err\">first<\/span> <span class=\"err\">blog<\/span> <span class=\"err\">post!'<\/span><span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>find_one\u95a2\u6570\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6761\u4ef6\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">pprint<\/span><span class=\"p\">.<\/span><span class=\"n\">pprint<\/span><span class=\"p\">(<\/span><span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">find_one<\/span><span class=\"p\">({<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Mike\"<\/span><span class=\"p\">}))<\/span>\r\n<\/code><\/pre>\n<h4>5.2.5. \u6279\u91cf\u63d2\u5165<br \/>\n\u4f7f\u7528insert_many\u51fd\u6570\u8fdb\u884c\u6279\u91cf\u63d2\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">new_posts<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[{<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Mike\"<\/span><span class=\"p\">,<\/span>\r\n               <span class=\"s\">\"text\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Another post!\"<\/span><span class=\"p\">,<\/span>\r\n               <span class=\"s\">\"tags\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"bulk\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"insert\"<\/span><span class=\"p\">],<\/span>\r\n               <span class=\"s\">\"date\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">datetime<\/span><span class=\"p\">.<\/span><span class=\"n\">datetime<\/span><span class=\"p\">(<\/span><span class=\"mi\">2009<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11<\/span><span class=\"p\">,<\/span> <span class=\"mi\">14<\/span><span class=\"p\">)},<\/span>\r\n              <span class=\"p\">{<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Eliot\"<\/span><span class=\"p\">,<\/span>\r\n               <span class=\"s\">\"title\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"MongoDB is fun\"<\/span><span class=\"p\">,<\/span>\r\n               <span class=\"s\">\"text\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"and pretty easy too!\"<\/span><span class=\"p\">,<\/span>\r\n               <span class=\"s\">\"date\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">datetime<\/span><span class=\"p\">.<\/span><span class=\"n\">datetime<\/span><span class=\"p\">(<\/span><span class=\"mi\">2009<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span> <span class=\"mi\">45<\/span><span class=\"p\">)}]<\/span>\r\n<span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">insert_many<\/span><span class=\"p\">(<\/span><span class=\"n\">new_posts<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">result<\/span><span class=\"p\">.<\/span><span class=\"n\">inserted_ids<\/span>\r\n<\/code><\/pre>\n<h4>5.2.6. \u67e5\u8be2\u548c\u591a\u4e2a\u7ed3\u679c\u53ef\u4ee5\u4f7f\u7528find\u51fd\u6570\u6765\u83b7\u5f97Cursor\u5b9e\u4f8b\u3002<\/p>\n<p>\u5168\u9762\u641c\u7d22\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">for<\/span> <span class=\"n\">post<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">find<\/span><span class=\"p\">():<\/span>\r\n    <span class=\"n\">pprint<\/span><span class=\"p\">.<\/span><span class=\"n\">pprint<\/span><span class=\"p\">(<\/span><span class=\"n\">post<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6307\u5b9a\u6761\u4ef6\u4e5f\u7edd\u5bf9\u53ef\u4ee5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">for<\/span> <span class=\"n\">post<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">find<\/span><span class=\"p\">({<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Mike\"<\/span><span class=\"p\">}):<\/span>\r\n    <span class=\"n\">pprint<\/span><span class=\"p\">.<\/span><span class=\"n\">pprint<\/span><span class=\"p\">(<\/span><span class=\"n\">post<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h4>5.2.7. \u8ba1\u6570\u4f7f\u7528count_documents\u51fd\u6570\u5bf9\u7ed3\u679c\u8fdb\u884c\u8ba1\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># \u6761\u4ef6\u6307\u5b9a\u306a\u3057\r\n<\/span><span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">count_documents<\/span><span class=\"p\">({})<\/span>\r\n\r\n<span class=\"c1\"># \u6761\u4ef6\u6307\u5b9a\r\n<\/span><span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">count_documents<\/span><span class=\"p\">({<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Mike\"<\/span><span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<h4>5.2.8. \u67e5\u8be2\u5e94\u7528\u8fd9\u662f\u4e00\u4e2a\u5bf9\u67e5\u8be2\u7684\u5e94\u7528\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u6761\u4ef6\u8fd0\u7b97\u7b26&lt;=\u6765\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u3002\u8bf7\u53c2\u8003Operators\u4ee5\u83b7\u53d6\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">d<\/span> <span class=\"o\">=<\/span> <span class=\"n\">datetime<\/span><span class=\"p\">.<\/span><span class=\"n\">datetime<\/span><span class=\"p\">(<\/span><span class=\"mi\">2009<\/span><span class=\"p\">,<\/span> <span class=\"mi\">11<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">for<\/span> <span class=\"n\">post<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">posts<\/span><span class=\"p\">.<\/span><span class=\"n\">find<\/span><span class=\"p\">({<\/span><span class=\"s\">\"date\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"s\">\"$lt\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">d<\/span><span class=\"p\">}}).<\/span><span class=\"n\">sort<\/span><span class=\"p\">(<\/span><span class=\"s\">\"author\"<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">pprint<\/span><span class=\"p\">.<\/span><span class=\"n\">pprint<\/span><span class=\"p\">(<\/span><span class=\"n\">post<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h4>5.2.9. \u7d22\u5f15<br \/>\n\u8fd9\u662f\u6dfb\u52a0\u7d22\u5f15\u7684\u64cd\u4f5c\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u6dfb\u52a0\u4e86\u552f\u4e00\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">pymongo<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">ASCENDING<\/span>\r\n<span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">profiles<\/span><span class=\"p\">.<\/span><span class=\"n\">create_index<\/span><span class=\"p\">([(<\/span><span class=\"s\">'user_id'<\/span><span class=\"p\">,<\/span> <span class=\"n\">ASCENDING<\/span><span class=\"p\">)],<\/span> <span class=\"n\">unique<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">sorted<\/span><span class=\"p\">(<\/span><span class=\"nb\">list<\/span><span class=\"p\">(<\/span><span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">profiles<\/span><span class=\"p\">.<\/span><span class=\"n\">index_information<\/span><span class=\"p\">()))<\/span>\r\n<\/code><\/pre>\n<h2>6. \u505c\u6b62\u4f7f\u7528MongoDB\u901a\u8fc7\u7ec8\u7aef\u505c\u6b62MongoDB\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>service mongod stop\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5728Ubuntu\u4e0a\u5b89\u88c5\u4e86MongoDB\uff0c\u5e76\u4f7f\u7528Shell\u548cPython\uff08PyMongo\u5305\uff09\u8fdb\u884c\u4e86\u7b80\u5355\u7684\u64cd\u4f5c\u786e\u8ba4 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29754","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>\u5728Ubuntu\u4e0a\u5b89\u88c5MongoDB\u5e76\u4f7f\u7528Shell\u548cPython\u8fdb\u884c\u64cd\u4f5c\u9a8c\u8bc1 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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