{"id":247401,"date":"2024-01-02T21:43:22","date_gmt":"2024-01-02T13:43:22","guid":{"rendered":"https:\/\/www.idc.net\/help\/247401\/"},"modified":"2024-01-02T21:43:22","modified_gmt":"2024-01-02T13:43:22","slug":"mongodb-%e6%9c%af%e8%af%ad-%e4%bc%9a%e8%af%9d","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247401\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u4f1a\u8bdd"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-%e4%bc%9a%e8%af%9d-ZYQhsixDWH\">MongoDB \u672f\u8bed - \u4f1a\u8bdd<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-%e4%bc%9a%e8%af%9d-ZYQhsixDWH\">MongoDB \u672f\u8bed - \u4f1a\u8bdd<\/h1>\n<p>\u5728MongoDB\u4e2d\uff0c\u4f1a\u8bdd\uff08Session\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u8ddf\u8e2a\u5ba2\u6237\u7aef\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u4ea4\u4e92\u7684\u673a\u5236\u3002\u5b83\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u591a\u4e2a\u64cd\u4f5c\u4e4b\u95f4\u7ef4\u62a4\u72b6\u6001\uff0c\u5e76\u786e\u4fdd\u8fd9\u4e9b\u64cd\u4f5c\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\u3002<\/p>\n<h2 id=\"%e4%bc%9a%e8%af%9d%e7%9a%84%e5%88%9b%e5%bb%ba-ZYQhsixDWH\">\u4f1a\u8bdd\u7684\u521b\u5efa<\/h2>\n<p>\u8981\u521b\u5efa\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u9996\u5148\u9700\u8981\u4f7f\u7528MongoDB\u9a71\u52a8\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u4f1a\u8bdd\u5bf9\u8c61\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nconst { MongoClient } = require(\"mongodb\");\n\nasync function createSession() {\n  const uri = \"mongodb:\/\/localhost:27017\";\n  const client = new MongoClient(uri);\n\n  await client.connect();\n\n  const session = client.startSession();\n\n  \/\/ \u4f7f\u7528\u4f1a\u8bdd\u6267\u884c\u64cd\u4f5c\n  \/\/ ...\n\n  session.endSession();\n  client.close();\n}\n\ncreateSession();\n<\/code><\/pre>\n<h2 id=\"%e4%bc%9a%e8%af%9d%e7%9a%84%e4%bd%bf%e7%94%a8-ZYQhsixDWH\">\u4f1a\u8bdd\u7684\u4f7f\u7528<\/h2>\n<p>\u4e00\u65e6\u521b\u5efa\u4e86\u4f1a\u8bdd\u5bf9\u8c61\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u6267\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f1a\u8bdd\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"%e5%bc%80%e5%a7%8b%e4%ba%8b%e5%8a%a1-ZYQhsixDWH\">\u5f00\u59cb\u4e8b\u52a1<\/h3>\n<p>\u8981\u5728\u4f1a\u8bdd\u4e2d\u5f00\u59cb\u4e00\u4e2a\u4e8b\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f1a\u8bdd\u5bf9\u8c61\u7684<code>startTransaction<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nsession.startTransaction();\n<\/code><\/pre>\n<h3 id=\"%e6%89%a7%e8%a1%8c%e6%93%8d%e4%bd%9c-ZYQhsixDWH\">\u6267\u884c\u64cd\u4f5c<\/h3>\n<p>\u5728\u4f1a\u8bdd\u4e2d\u6267\u884c\u64cd\u4f5c\u4e0e\u5728\u666e\u901a\u7684MongoDB\u64cd\u4f5c\u4e2d\u6ca1\u6709\u592a\u5927\u7684\u533a\u522b\u3002\u53ea\u9700\u5c06\u4f1a\u8bdd\u5bf9\u8c61\u4f5c\u4e3a\u9009\u9879\u4f20\u9012\u7ed9\u64cd\u4f5c\u65b9\u6cd5\u5373\u53ef\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nconst collection = client.db(\"mydb\").collection(\"mycollection\");\nconst options = { session };\n\ncollection.insertOne({ name: \"John Doe\" }, options);\n<\/code><\/pre>\n<h3 id=\"%e6%8f%90%e4%ba%a4%e4%ba%8b%e5%8a%a1-ZYQhsixDWH\">\u63d0\u4ea4\u4e8b\u52a1<\/h3>\n<p>\u8981\u5728\u4f1a\u8bdd\u4e2d\u63d0\u4ea4\u4e00\u4e2a\u4e8b\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f1a\u8bdd\u5bf9\u8c61\u7684<code>commitTransaction<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nsession.commitTransaction();\n<\/code><\/pre>\n<h3 id=\"%e5%9b%9e%e6%bb%9a%e4%ba%8b%e5%8a%a1-ZYQhsixDWH\">\u56de\u6eda\u4e8b\u52a1<\/h3>\n<p>\u8981\u5728\u4f1a\u8bdd\u4e2d\u56de\u6eda\u4e00\u4e2a\u4e8b\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f1a\u8bdd\u5bf9\u8c61\u7684<code>abortTransaction<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nsession.abortTransaction();\n<\/code><\/pre>\n<h2 id=\"%e4%bc%9a%e8%af%9d%e7%9a%84%e5%85%b3%e9%97%ad-ZYQhsixDWH\">\u4f1a\u8bdd\u7684\u5173\u95ed<\/h2>\n<p>\u5728\u4f7f\u7528\u5b8c\u4f1a\u8bdd\u540e\uff0c\u5e94\u8be5\u5173\u95ed\u4f1a\u8bdd\u4ee5\u91ca\u653e\u8d44\u6e90\u3002\u53ef\u4ee5\u4f7f\u7528\u4f1a\u8bdd\u5bf9\u8c61\u7684<code>endSession<\/code>\u65b9\u6cd5\u6765\u5173\u95ed\u4f1a\u8bdd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\nsession.endSession();\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662fMongoDB\u4e2d\u4f1a\u8bdd\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u4f1a\u8bdd\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5e76\u786e\u4fdd\u5b83\u4eec\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-ZYQhsixDWH\">\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86MongoDB\u4e2d\u7684\u4f1a\u8bdd\uff08Session\uff09\u6982\u5ff5\u53ca\u5176\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002\u4f1a\u8bdd\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u591a\u4e2a\u64cd\u4f5c\u4e4b\u95f4\u7ef4\u62a4\u72b6\u6001\uff0c\u5e76\u786e\u4fdd\u8fd9\u4e9b\u64cd\u4f5c\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\u3002\u901a\u8fc7\u4f7f\u7528\u4f1a\u8bdd\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5bf9MongoDB\u7684\u4f1a\u8bdd\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u4e86\u89e3\u66f4\u591a\u5173\u4e8e<a href=\"https:\/\/www.mongodb.com\/\" rel=\"nofollow noopener\" target=\"_blank\">MongoDB<\/a>\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u670d\u52a1\u3002\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - \u4f1a\u8bdd MongoDB \u672f\u8bed - \u4f1a\u8bdd \u5728MongoDB\u4e2d\uff0c\u4f1a\u8bdd\uff08Session\uff09\u662f\u4e00 [&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-247401","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247401","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=247401"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247401\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}