{"id":29892,"date":"2023-06-23T10:34:02","date_gmt":"2022-12-23T23:40:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%bc%ab%e6%ad%a5mongodb%e7%9a%84%e6%a3%ae%e6%9e%97\/"},"modified":"2025-08-12T16:26:04","modified_gmt":"2025-08-12T08:26:04","slug":"%e6%bc%ab%e6%ad%a5mongodb%e7%9a%84%e6%a3%ae%e6%9e%97","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%bc%ab%e6%ad%a5mongodb%e7%9a%84%e6%a3%ae%e6%9e%97\/","title":{"rendered":"\u6f2b\u6b65MongoDB\u7684\u68ee\u6797"},"content":{"rendered":"<h1>\u53c2\u8003\u7f51\u7ad9<\/h1>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u672c\u5730\u5316\u6539\u5199\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a<br \/>\nhttps:\/\/dotinstall.com\/<br \/>\nhttps:\/\/ja.wikipedia.org\/wiki\/MongoDB<br \/>\nhttps:\/\/www.mongodb.com\/jp<br \/>\n<iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Install MongoDB 3.4.3 on Fedora 26 - Jun&#039;s Blog\" src=\"https:\/\/hatenablog-parts.com\/embed?url=http%3A%2F%2Fjunaruga.hatenablog.com%2Fentry%2F2017%2F11%2F13%2F075029#?secret=QHhRyJ8f3b\" data-secret=\"QHhRyJ8f3b\" scrolling=\"no\" frameborder=\"0\"><\/iframe><\/p>\n<p>https:\/\/dotinstall.com\/ &#8211; \u70b9\u51fb\u6b64\u94fe\u63a5\u8fdb\u5165dotinstall\u7684\u7f51\u7ad9\u3002<br \/>\nhttps:\/\/ja.wikipedia.org\/wiki\/MongoDB &#8211; \u8bf7\u8bbf\u95ee\u6b64\u94fe\u63a5\u4ee5\u4e86\u89e3\u6709\u5173MongoDB\u7684\u4fe1\u606f\u3002<br \/>\nhttps:\/\/www.mongodb.com\/jp &#8211; \u5728\u6b64\u7f51\u5740\u4e0a\u53ef\u4ee5\u627e\u5230\u6709\u5173MongoDB\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<br \/>\nhttp:\/\/junaruga.hatenablog.com\/entry\/2017\/11\/13\/075029 &#8211; \u8bf7\u70b9\u51fb\u6b64\u94fe\u63a5\u9605\u8bfb\u6709\u5173\u4e8e2017\u5e7411\u670813\u65e5\u7684junaruga\u65e5\u5fd7\u7684\u5185\u5bb9\u3002<\/p>\n<h1>\u5b89\u88c5<\/h1>\n<p>\u5728Fedora26\u7684\u60c5\u51b5\u4e0b<\/p>\n<pre class=\"post-pre\"><code>sudo dnf install mongo mongodb-server\r\n<\/code><\/pre>\n<h1>\u542f\u52a8\u548c\u81ea\u52a8\u542f\u52a8\u8bbe\u7f6e<\/h1>\n<pre class=\"post-pre\"><code>sudo systemctl start mongod\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>sudo systemctl enable mongod\r\n<\/code><\/pre>\n<h1>\u66ff\u6362<\/h1>\n<pre class=\"post-pre\"><code>mongo\r\n<\/code><\/pre>\n<h2>\u5bf9DB\u7684\u64cd\u4f5c<\/h2>\n<p>\u8868\u8fbe<\/p>\n<pre class=\"post-pre\"><code>show dbs\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>use mydb\r\n<\/code><\/pre>\n<p>\u73fe\u5728\u306eDB\u306e\u60c5\u5831<\/p>\n<pre class=\"post-pre\"><code>db.stats();\r\n<\/code><\/pre>\n<p>\u5236\u4f5c<\/p>\n<pre class=\"post-pre\"><code>use &lt;db-name&gt;\r\n<\/code><\/pre>\n<p>\u5220\u9664 ch\u00fa)<\/p>\n<pre class=\"post-pre\"><code>db.dropDatabase();\r\n<\/code><\/pre>\n<h2>\u5bf9Collection\u7684\u64cd\u4f5c<\/h2>\n<p>\u521b\u5efa<\/p>\n<pre class=\"post-pre\"><code>db.createCollection(\"users\");\r\n<\/code><\/pre>\n<p>\u8868\u793a<\/p>\n<pre class=\"post-pre\"><code>show collections;\r\n<\/code><\/pre>\n<p>\u66f4\u6539\u540d\u5b57<\/p>\n<pre class=\"post-pre\"><code>db.users.renameCollection(\"costumers\");\r\n<\/code><\/pre>\n<p>\u5220\u9664<\/p>\n<pre class=\"post-pre\"><code>db.costumers.drop();\r\n<\/code><\/pre>\n<blockquote><p>\u4f7f\u7528mydb<br \/>\n\u5207\u6362\u5230mydb\u6570\u636e\u5e93<br \/>\ndb.users.insert(<br \/>\n&#8230; {<br \/>\n&#8230; name: &#8220;\u7530\u53e3&#8221;,<br \/>\n&#8230; score: 30<br \/>\n&#8230; }<br \/>\n&#8230; );<br \/>\n\u5199\u5165\u7ed3\u679c({ &#8220;nInserted&#8221; : 1 })<br \/>\n\u663e\u793a\u96c6\u5408;<br \/>\nusers<br \/>\ndb.users.insert({<br \/>\n&#8230; name: &#8220;fkoji&#8221;,<br \/>\n&#8230; score: 50,<br \/>\n&#8230; tags: [&#8220;\u7f51\u7ad9&#8221;, &#8220;\u79fb\u52a8&#8221;]<br \/>\n&#8230; });<br \/>\n\u5199\u5165\u7ed3\u679c({ &#8220;nInserted&#8221; : 1 })<br \/>\nfor (var i = 0; i &lt; 10; i++){<br \/>\n&#8230; db.users.insert({<br \/>\n&#8230; score: Math.random()<br \/>\n&#8230; });<br \/>\n&#8230; }<br \/>\n\u5199\u5165\u7ed3\u679c({ &#8220;nInserted&#8221; : 1 })<br \/>\ndb.users.count();<br \/>\n12<br \/>\ndb.users.find();<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85e718a6f3fc0e0564c8d&#8221;), &#8220;name&#8221; : &#8220;\u7530\u53e3&#8221;, &#8220;score&#8221; : 30 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85e988a6f3fc0e0564c8e&#8221;), &#8220;name&#8221; : &#8220;fkoji&#8221;, &#8220;score&#8221; : 50, &#8220;tags&#8221; : [ &#8220;\u7f51\u7ad9&#8221;, &#8220;\u79fb\u52a8&#8221; ] }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c8f&#8221;), &#8220;score&#8221; : 0.5051645100761789 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c90&#8221;), &#8220;score&#8221; : 0.4473334785545654 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c91&#8221;), &#8220;score&#8221; : 0.9272772678372699 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c92&#8221;), &#8220;score&#8221; : 0.17647580670114926 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c93&#8221;), &#8220;score&#8221; : 0.761121041198397 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c94&#8221;), &#8220;score&#8221; : 0.7212922554688359 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c95&#8221;), &#8220;score&#8221; : 0.03060687445135568 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c96&#8221;), &#8220;score&#8221; : 0.4207822173198339 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c97&#8221;), &#8220;score&#8221; : 0.3180118402761415 }<br \/>\n{ &#8220;_id&#8221; : ObjectId(&#8220;5ab85eb98a6f3fc0e0564c98&#8221;), &#8220;score&#8221; : 0.9481763669280244 }<br \/>\ndb.users.remove({});<br \/>\n\u5199\u5165\u7ed3\u679c({ &#8220;nRemoved&#8221; : 12 })<br \/>\ndb.users.find();<\/p><\/blockquote>\n<h1>\u5bfb\u627e\u6761\u4ef6 &#8211; Xunzhao tiaojian<\/h1>\n<pre class=\"post-pre\"><code>db.users.find({team: \"team-1\"});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({score: {$gte: 50}});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({name: \/t\/});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({name: \/^t\/});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.distinct(\"team\");\r\n<\/code><\/pre>\n<p>\u5728\u6570\u636e\u5e93\u4e2d\u67e5\u627ename\u5b57\u6bb5\u4e2d\u5305\u542b\u5b57\u6bcd&#8221;i&#8221;\u4e14score\u5b57\u6bb5\u5927\u4e8e\u7b49\u4e8e50\u7684\u7528\u6237\u3002<\/p>\n<p>\u6216\u8005\u6587<\/p>\n<pre class=\"post-pre\"><code>db.users.find({$or: [{name: \/i\/}, {score:{$gte:50}}}});\r\n<\/code><\/pre>\n<p>\u5728\u6587\u4e2d<\/p>\n<pre class=\"post-pre\"><code>db.users.find({score:{$in: [52, 66]}});\r\n<\/code><\/pre>\n<p>\u5b58\u5728\u6587\u5316<\/p>\n<pre class=\"post-pre\"><code>db.users.find({age:{$exists: true}});\r\n<\/code><\/pre>\n<h1>\u8868\u793a\u5bf9\u9879\u76ee\u7684\u5177\u4f53\u8bf4\u660e<\/h1>\n<pre class=\"post-pre\"><code>db.users.find({}, {name: true, score: 1});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({}, {score: 0});\r\n<\/code><\/pre>\n<p>\u203b \u53ef\u4ee5\u6307\u5b9a\u4e0e_id\u76f8\u53cd\u7684\u5e03\u5c14\u503c<\/p>\n<h1>\u6392\u5e8f()<\/h1>\n<pre class=\"post-pre\"><code>db.users.find({}, {_id:0}).sort({score: 1});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({}, {_id: 0}).sort({score: -1});\r\n<\/code><\/pre>\n<h1>\u9650\u5236()<\/h1>\n<pre class=\"post-pre\"><code>db.users.find({}, {_id: 0}).limit(3);\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.find({}, {_id: 0}).sort({score: -1}).limit(3);\r\n<\/code><\/pre>\n<h1>\u627e\u4e00\u4e2a()<\/h1>\n<pre class=\"post-pre\"><code>db.users.findOne({}, {_id: 0});\r\n<\/code><\/pre>\n<h1>\u8df3\u8fc7()<\/h1>\n<pre class=\"post-pre\"><code>db.users.findOne({}, {_id: 0}).skip(2);\r\n<\/code><\/pre>\n<h1>\u66f4\u65b0<\/h1>\n<p>\u66f4\u65b0\u7684\u662f\u7b2c\u4e00\u4ef6\u4e8b\u3002<\/p>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u9879\u76ee\uff0c\u4f7f\u7528$set\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$set: {score: 80}});\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$set: {score: 80, team: \"team-2\"}});\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5b8c\u6574\u5730\u56de\u53bb\u7684\u8a71\uff0c\u5c31\u76f4\u63a5\u4ea4\u7ed9\u4ed6\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {name: \"taguchi\", score: 80, team: \"team-2\"});\r\n<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u8fdb\u884c\u591a\u6b21\u66f4\u65b0\uff0c\u8bf7\u5c06multi\u8bbe\u4e3atrue\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.update({team: \"team-1\"}, {$set: {score: 0}}, {multi: true});\r\n<\/code><\/pre>\n<h1>$\u589e\u52a0<\/h1>\n<p>\u505a\u52a0\u6cd5<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$inc: {score: 5}});\r\n<\/code><\/pre>\n<h1>$mul: \u4e58<\/h1>\n<p>\u4e58\u6cd5<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$mul: {score: 5}});\r\n<\/code><\/pre>\n<h1>\u4e2d\u6587\uff1a\u66f4\u540d<\/h1>\n<p>Note: There is no specific context provided in the original text, so it is difficult to determine the exact meaning or usage of &#8220;rename&#8221;. The provided paraphrase simply translates &#8220;rename&#8221; into Chinese.<\/p>\n<p>\u66f4\u6539\u5b57\u6bb5\u540d\u79f0<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$rename: {score: \"point\"}});\r\n<\/code><\/pre>\n<p>\u6dfb\u52a0\u5b57\u6bb5<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$set: {team: \"team-2\"}});\r\n<\/code><\/pre>\n<h1>\u53d6\u6d88<\/h1>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {$unset: {team: \"\"}});\r\n<\/code><\/pre>\n<h1>upsert<\/h1>\n<p>\u5982\u679c\u5b58\u5728\u6570\u636e\uff0c\u5219\u66f4\u65b0\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u63d2\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.update({name: \"taguchi\"}, {name: \"taguchi\", score: 48}, {upsert: true});\r\n<\/code><\/pre>\n<h1>\u5220\u9664( )<\/h1>\n<pre class=\"post-pre\"><code>db.users.remove({name: \"kato\"});\r\n<\/code><\/pre>\n<h1>\u6307\u6570<\/h1>\n<p>\u5584\u4e8e\u4f7f\u7528\u65f6\uff0c\u641c\u7d22\u6027\u80fd\u4f1a\u5f97\u5230\u63d0\u5347\u3002<\/p>\n<p>\u83b7\u53d6\u7d22\u5f15\u4fe1\u606f<\/p>\n<pre class=\"post-pre\"><code>db.users.getIndexes();\r\n<\/code><\/pre>\n<p>\u7ed9\u5206\u6570\u6309\u7167\u964d\u5e8f\u5206\u914d\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.createIndex({score: -1});\r\n<\/code><\/pre>\n<p>\u5220\u9664<\/p>\n<pre class=\"post-pre\"><code>db.users.dropIndex(\"score_-1\");\r\n<\/code><\/pre>\n<p>\u5c06\u5176\u8bbe\u7f6e\u4e3a\u552f\u4e00\u952e\u3002<\/p>\n<pre class=\"post-pre\"><code>db.users.createIndex({name: 1}, {unique: true});\r\n<\/code><\/pre>\n<h1>\u5907\u4efd\u548c\u6062\u590d<\/h1>\n<h2>\u5907\u4efd<\/h2>\n<pre class=\"post-pre\"><code>mongodump -d mydb\r\n<\/code><\/pre>\n<h2>\u6062\u590d<\/h2>\n<pre class=\"post-pre\"><code>mongorestore --drop\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u53c2\u8003\u7f51\u7ad9 \u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u672c\u5730\u5316\u6539\u5199\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a https:\/\/dotinstall.com [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29892","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) - 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