{"id":29906,"date":"2023-12-19T06:41:03","date_gmt":"2024-03-07T17:08:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%91%bd%e4%bb%a4%e5%a4%87%e5%bf%98%e5%bd%95\/"},"modified":"2025-08-12T16:30:42","modified_gmt":"2025-08-12T08:30:42","slug":"mongodb%e5%91%bd%e4%bb%a4%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%91%bd%e4%bb%a4%e5%a4%87%e5%bf%98%e5%bd%95\/","title":{"rendered":"MongoDB\u547d\u4ee4\u5907\u5fd8\u5f55"},"content":{"rendered":"<p>\u6211\u6b63\u4e3a\u81ea\u5df1\u6574\u7406\u7740\u3002<\/p>\n<h2>\u7b80\u8981\u6982\u62ec<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411<\/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\">\u30b9\u30ad\u30fc\u30de\u30ec\u30b9(\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6c7a\u3081\u306a\u3044)<\/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\">Databese\u306e\u4e2d\u306bCollection\u3092\u3044\u304f\u3064\u3082\u4f5c\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Collection\u306e\u4e2d\u306bDocument\u3092\u3044\u304f\u3064\u3082\u4f5c\u308c\u308b<\/ul>\n<h3>\u6536\u96c6(\u5e16\u5b50 \u7528\u6237\u7b49)<\/h3>\n<p>\u2192\u684c\u5b50<\/p>\n<h3>\u6587\u4ef6<\/h3>\n<p>&#8220;\u5531\u7247&#8221;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">field: val;<\/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\">field: value;<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b9\u30ad\u30fc\u30de\u30ec\u30b9<\/ul>\n<h2>\u547d\u4ee4\u5217\u8868<\/h2>\n<h3>\u6570\u636e\u5e93\u5217\u8868<\/h3>\n<pre class=\"post-pre\"><code>show hoge\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u6570\u636e\u5e93<\/h3>\n<pre class=\"post-pre\"><code>use hoge\r\n<\/code><\/pre>\n<h3>\u5236\u4f5c\u6536\u85cf\u54c1<\/h3>\n<pre class=\"post-pre\"><code>db.createCollection(\"hoge\");\r\n<\/code><\/pre>\n<h3>\u6570\u636e\u5e93\u4fe1\u606f (Database information)<\/h3>\n<pre class=\"post-pre\"><code>db.stats();\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u6570\u636e\u5e93<\/h3>\n<pre class=\"post-pre\"><code>db.dropDatabase();\r\n<\/code><\/pre>\n<h3>\u6536\u85cf\u5217\u8868<\/h3>\n<pre class=\"post-pre\"><code>show collections;\r\n<\/code><\/pre>\n<h3>\u5c06Collection\u7684\u540d\u79f0\u4ece\u201cusers\u201d\u66f4\u6539\u4e3a\u201ccustomers\u201d\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.users.renameCollection(\"customers\");\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u6536\u85cf<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.drop();\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.insert(\r\n    {\r\n        name: \"Taro Yamada\",\r\n        score: 30\r\n    }\r\n)\r\n<\/code><\/pre>\n<h3>\u6dfb\u52a0\u6807\u7b7e\u7684\u975e\u6a21\u5f0f\u5316\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.insert({\r\n    name: \"Taro Yamada\",\r\n    score: 50,\r\n    tags: [\"web\", \"mobile\"]\r\n});\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u4f7f\u7528JS\u8fdb\u884c\u63d2\u5165\u64cd\u4f5c\u3002<\/h3>\n<pre class=\"post-pre\"><code>for (var i = 0; i &lt; 10; i++ ) {\r\n    db.hoge.insert({\r\n        score: Math.random();\r\n    });\r\n}\r\n<\/code><\/pre>\n<h3>\u6587\u4ef6\u7684\u6570\u91cf de<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.count();\r\n<\/code><\/pre>\n<h3>\u663e\u793a\u6240\u6709\u7684Document\u6570\u636e<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find();\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u6240\u6709\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.remove({});\r\n<\/code><\/pre>\n<h3>\u4ec5\u63d0\u53d6\u56e2\u961f1\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ team: \"team-1\" });\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u5206\u6570\u5927\u4e8e\u6216\u7b49\u4e8e50\u7684\u6570\u636e\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ score: { $gte: 50 } });\r\n\r\n\/\/ $gte $gt $lte $lt \u4ee5\u4e0a \u672a\u6e80\r\n\/\/ $eq \u30a4\u30b3\u30fc\u30eb\r\n\/\/ $ne \u30a4\u30b3\u30fc\u30eb\u3067\u306a\u3044\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u51fa\u7684\u56e2\u961f\u4ec5\u4e3a\u56e2\u961f1<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ team: { $eq: \"team-1\" } });\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u5305\u542b&#8221;name&#8221;\u4e2d\u7684\u5b57\u6bcd&#8221;t&#8221;\u7684\u5185\u5bb9\uff08\u6b63\u5219\u8868\u8fbe\u5f0f\uff09\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ name: \/t\/ });\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u56e2\u961f\u7684\u503c\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.distinct(\"team\");\r\n<\/code><\/pre>\n<h3>\u53ea\u9700\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff0c\u4ee5\u4e0b\u662f\u5bf9\u5176\u8fdb\u884c\u6c49\u8bed\u7684\u672c\u5730\u5316\u91ca\u4e49\uff1a<\/h3>\n<p>\u540d\u79f0\u4e2d\u5305\u542b\u5b57\u6bcd\u201ci\u201d\uff0c\u4e14\u5206\u6570\u572850\u5206\u4ee5\u4e0a\u3002<\/p>\n<pre class=\"post-pre\"><code>db.hoge.find({ name: \/i\/, score: { $gte: 50 } });\r\n<\/code><\/pre>\n<h3>\u59d3\u540d\u4e2d\u5305\u542b\u5b57\u6bcd\u300ci\u300d\u6216\u5f97\u5206\u8fbe\u523050\u5206\u4ee5\u4e0a\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ $or: [{ name:\/i\/ }, { score: { $gte: 50 } }] });\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u5f97\u5206\u4e3a52\u5206\u621666\u5206\u7684\u9879\u76ee\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ score: { $in: [52, 66] } });\r\n<\/code><\/pre>\n<h3>\u63d0\u53d6\u5177\u6709age\u5b58\u5728\u7684\u6587\u6863<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({ age: { $exists: true } });\r\n<\/code><\/pre>\n<h3>\u6307\u5b9a\u8981\u5728\u6574\u4e2a\u6570\u636e\u4e2d\u663e\u793a\u7684\u5b57\u6bb5\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff09\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { name: true, score: 1 });\r\n<\/code><\/pre>\n<h3>\u663e\u793a\u4e0d\u5305\u542b\u5f97\u5206\u7684\u6240\u6709\u6570\u636e\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { score: 0 });\r\n<\/code><\/pre>\n<h3>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u663e\u793aid\uff0c\u9690\u85cfid\u5e76\u4ec5\u663e\u793ascore\u3002\u5176\u4ed6\u90e8\u5206\u4f7f\u75281\u548c0\u3001true\u548cfalse\u7684\u6df7\u7528\u662f\u4e0d\u5141\u8bb8\u7684\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { score: 1, _id: 0 });\r\n<\/code><\/pre>\n<h3>\u6309\u7167\u5f97\u5206\u4ece\u5c0f\u5230\u5927\u663e\u793a\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { _id: 0 }).sort({ score: 1 });\r\n<\/code><\/pre>\n<h3>\u53ea\u663e\u793a3\u4ef6<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { _id: 0 }).limit(3);\r\n<\/code><\/pre>\n<h3>\u663e\u793a\u524d\u4e09\u540d\u7684\u5206\u6570\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { _id: 0 }).sort({ score: -1 }).limit(3);\r\n<\/code><\/pre>\n<h3>\u53ea\u663e\u793a\u7b2c\u4e00\u6761<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.findOne({}, { _id: 0 });\r\n<\/code><\/pre>\n<h3>\u4ece\u7b2c\u4e09\u884c\u5f00\u59cb\u663e\u793a\u6240\u6709\u6570\u636e\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.find({}, { _id: 0 }).skip(2);\r\n<\/code><\/pre>\n<h3>\u66f4\u65b0\u4e86\u5c71\u7530\u7684\u5206\u6570\u6587\u4ef6\u523080\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $set: { score: 80 } });\r\n<\/code><\/pre>\n<h3>\u66f4\u65b0\u5c71\u7530\u5148\u751f\u7684\u5f97\u5206\u548c\u56e2\u961f\u6587\u4ef6\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $set: { score: 90, team: \"team-2\" } });\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u4e0d\u662f\u96c6\u5408\uff0c\u6240\u6709\u6587\u6863\u90fd\u5c06\u88ab\u66f4\u6539\u6216\u5220\u9664\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { name: \"sato\" score: 90 });\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u7b2c3\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3amulti:true\uff0c\u90a3\u4e48\u5339\u914d\u5230\u7684\u6240\u6709\u6587\u6863\uff08team2\uff09\u7684\u6570\u636e\u5f97\u5206\uff08score\uff09\u5c06\u88ab\u66f4\u6539\u4e3a0\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ team: \"team-2\" }, { $set: { score: 0 }}, { multi: true });\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u4f7f\u7528inc\u5728\u7279\u5b9a\u7684\u6587\u6863\u4e2d\u589e\u52a0\u503c\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $inc: { score: 5 } });\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u7528mul\u51fd\u6570\u5c06\u7279\u5b9a\u7684\u6587\u6863\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $mul: { score: 2 } });\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u60f3\u8981\u66f4\u6539\u5b57\u6bb5\u7684\u540d\u79f0\uff0c\u8bf7\u5c06 socre \u66f4\u6539\u4e3a point\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $rename: { soore:  \"point\" } });\r\n<\/code><\/pre>\n<h3>\u6dfb\u52a0\u5b57\u6bb5\u5e76\u586b\u5165\u503c\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $set: { team: \"team-4\" } });\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u5b57\u6bb5\uff08\u540c\u65f6\u5220\u9664\u503c\uff09\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { $unset: { team: \"\" } });\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u8981\u66f4\u65b0\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u5b57\u6bb5\uff0c\u53ef\u4ee5\u5728\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e2d\u5199\u5165&#8221;upsert&#8221;\uff08score\u5b57\u6bb5\u4e0d\u5b58\u5728\uff09\u3002<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.update({ name: \"yamada\" }, { name: \"sato\", score: 48 }, { upsert: true });\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u7279\u5b9a\u7684\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.remove({ name: \"taro\" });\r\n<\/code><\/pre>\n<h3>\u5c55\u793a\u6307\u6807\u4fe1\u606f<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.getIndexes();\r\n<\/code><\/pre>\n<h3>\u6309\u7167\u964d\u5e8f\u6dfb\u52a0\u7d22\u5f15<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.createIndex({ score: -1 });\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u7d22\u5f15<\/h3>\n<pre class=\"post-pre\"><code>db.hoge.dropIndex(\"score_1\");\r\n<\/code><\/pre>\n<h3>\u4ee5exit\u547d\u4ee4\u9000\u51faMongoDB<\/h3>\n<pre class=\"post-pre\"><code>exit\r\n<\/code><\/pre>\n<h3>\u5907\u4efd<\/h3>\n<pre class=\"post-pre\"><code>mongodump -d mydb\r\n<\/code><\/pre>\n<h3>\u6570\u636e\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code>mongorestore --drop\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u6b63\u4e3a\u81ea\u5df1\u6574\u7406\u7740\u3002 \u7b80\u8981\u6982\u62ec \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411 &nbsp; \u30b9\u30ad\u30fc\u30de\u30ec\u30b9(\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6c7a\u3081\u306a\u3044) &#038;nbsp [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29906","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>MongoDB\u547d\u4ee4\u5907\u5fd8\u5f55 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eMongoDB\u547d\u4ee4\u5907\u5fd8\u5f55\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/mongodb\u547d\u4ee4\u5907\u5fd8\u5f55\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" 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