{"id":247404,"date":"2024-01-02T21:46:18","date_gmt":"2024-01-02T13:46:18","guid":{"rendered":"https:\/\/www.idc.net\/help\/247404\/"},"modified":"2024-01-02T21:46:18","modified_gmt":"2024-01-02T13:46:18","slug":"mongodb-%e6%9c%af%e8%af%ad-%e5%86%99%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247404\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u5199\u64cd\u4f5c"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-%e5%86%99%e6%93%8d%e4%bd%9c-QqQDcUFoFT\">MongoDB \u672f\u8bed - \u5199\u64cd\u4f5c<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-%e5%86%99%e6%93%8d%e4%bd%9c-QqQDcUFoFT\">MongoDB \u672f\u8bed - \u5199\u64cd\u4f5c<\/h1>\n<h2 id=\"%e6%a6%82%e8%bf%b0-QqQDcUFoFT\">\u6982\u8ff0<\/h2>\n<p>MongoDB\u662f\u4e00\u79cd\u6d41\u884c\u7684NoSQL\u6570\u636e\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5199\u64cd\u4f5c\u529f\u80fd\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u6709\u6548\u5730\u5904\u7406\u6570\u636e\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u5220\u9664\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%96%87%e6%a1%a3-QqQDcUFoFT\">\u63d2\u5165\u6587\u6863<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u63d2\u5165\u6587\u6863\u662f\u6307\u5c06\u65b0\u7684\u6587\u6863\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528insertOne()\u65b9\u6cd5\u63d2\u5165\u5355\u4e2a\u6587\u6863\uff0c\u6216\u8005\u4f7f\u7528insertMany()\u65b9\u6cd5\u63d2\u5165\u591a\u4e2a\u6587\u6863\u3002<\/p>\n<pre><code>\ndb.collection.insertOne({ key: value });\ndb.collection.insertMany([{ key1: value1 }, { key2: value2 }]);\n<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%96%87%e6%a1%a3-QqQDcUFoFT\">\u66f4\u65b0\u6587\u6863<\/h2>\n<p>\u66f4\u65b0\u6587\u6863\u662f\u6307\u4fee\u6539\u5df2\u5b58\u5728\u7684\u6587\u6863\u3002MongoDB\u63d0\u4f9b\u4e86updateOne()\u548cupdateMany()\u65b9\u6cd5\u6765\u66f4\u65b0\u6587\u6863\u3002\u53ef\u4ee5\u4f7f\u7528$set\u64cd\u4f5c\u7b26\u6765\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u5b57\u6bb5\u548c\u503c\u3002<\/p>\n<pre><code>\ndb.collection.updateOne({ filter }, { $set: { key: value } });\ndb.collection.updateMany({ filter }, { $set: { key: value } });\n<\/code><\/pre>\n<h2 id=\"%e6%9b%bf%e6%8d%a2%e6%96%87%e6%a1%a3-QqQDcUFoFT\">\u66ff\u6362\u6587\u6863<\/h2>\n<p>\u66ff\u6362\u6587\u6863\u662f\u6307\u7528\u65b0\u7684\u6587\u6863\u5b8c\u5168\u66ff\u6362\u5df2\u5b58\u5728\u7684\u6587\u6863\u3002\u53ef\u4ee5\u4f7f\u7528replaceOne()\u65b9\u6cd5\u6765\u66ff\u6362\u6587\u6863\u3002<\/p>\n<pre><code>\ndb.collection.replaceOne({ filter }, { key: value });\n<\/code><\/pre>\n<h2 id=\"%e5%88%a0%e9%99%a4%e6%96%87%e6%a1%a3-QqQDcUFoFT\">\u5220\u9664\u6587\u6863<\/h2>\n<p>\u5220\u9664\u6587\u6863\u662f\u6307\u4ece\u96c6\u5408\u4e2d\u79fb\u9664\u6587\u6863\u3002\u53ef\u4ee5\u4f7f\u7528deleteOne()\u548cdeleteMany()\u65b9\u6cd5\u6765\u5220\u9664\u6587\u6863\u3002<\/p>\n<pre><code>\ndb.collection.deleteOne({ filter });\ndb.collection.deleteMany({ filter });\n<\/code><\/pre>\n<h2 id=\"%e4%ba%8b%e5%8a%a1-QqQDcUFoFT\">\u4e8b\u52a1<\/h2>\n<p>\u4e8b\u52a1\u662f\u4e00\u7ec4\u64cd\u4f5c\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u56de\u6eda\u3002MongoDB 4.0\u53ca\u4ee5\u4e0a\u7248\u672c\u652f\u6301\u591a\u6587\u6863\u4e8b\u52a1\u3002\u53ef\u4ee5\u4f7f\u7528startSession()\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u5e76\u4f7f\u7528session.startTransaction()\u65b9\u6cd5\u5f00\u59cb\u4e8b\u52a1\u3002<\/p>\n<pre><code>\nsession = db.getMongo().startSession();\nsession.startTransaction();\ntry {\n  \/\/ \u6267\u884c\u4e8b\u52a1\u64cd\u4f5c\n  session.commitTransaction();\n} catch (error) {\n  session.abortTransaction();\n} finally {\n  session.endSession();\n}\n<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-QqQDcUFoFT\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u672c\u6587\uff0c\u6211\u4eec\u4e86\u89e3\u4e86MongoDB\u4e2d\u7684\u5199\u64cd\u4f5c\u672f\u8bed\uff0c\u5305\u62ec\u63d2\u5165\u6587\u6863\u3001\u66f4\u65b0\u6587\u6863\u3001\u66ff\u6362\u6587\u6863\u548c\u5220\u9664\u6587\u6863\u3002\u8fd9\u4e9b\u529f\u80fd\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u6570\u636e\u7684\u5199\u5165\u548c\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u670d\u52a1\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - \u5199\u64cd\u4f5c MongoDB \u672f\u8bed - \u5199\u64cd\u4f5c \u6982\u8ff0 MongoDB\u662f\u4e00\u79cd\u6d41\u884c\u7684NoSQL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247404","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247404"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247404\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}