{"id":63728,"date":"2024-10-14T01:59:14","date_gmt":"2024-10-13T17:59:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63728\/"},"modified":"2024-10-14T01:59:14","modified_gmt":"2024-10-13T17:59:14","slug":"mongodb%e8%a1%93%e8%aa%9e-%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63728\/","title":{"rendered":"MongoDB\u8853\u8a9e &#8211; \u66f4\u65b0\u64cd\u4f5c"},"content":{"rendered":"<h1 id=\"mongodb%e8%a1%93%e8%aa%9e-%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c-HvFgwPEzjo\">MongoDB\u8853\u8a9e &#8211; \u66f4\u65b0\u64cd\u4f5c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u56e0\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMongoDB\u4e2d\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u9019\u500b\u6578\u64da\u5eab\u4e2d\u9032\u884c\u6578\u64da\u66f4\u65b0\u3002<\/p>\n<h2 id=\"mongodb%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e6%a6%82%e8%bf%b0-HvFgwPEzjo\">MongoDB\u66f4\u65b0\u64cd\u4f5c\u6982\u8ff0<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u66f4\u65b0\u64cd\u4f5c\u662f\u6307\u5c0d\u73fe\u6709\u6587\u6a94\u9032\u884c\u4fee\u6539\u7684\u904e\u7a0b\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u662f\u5c0d\u55ae\u500b\u5b57\u6bb5\u7684\u66f4\u65b0\uff0c\u4e5f\u53ef\u4ee5\u662f\u5c0d\u6574\u500b\u6587\u6a94\u7684\u66ff\u63db\u3002MongoDB\u63d0\u4f9b\u4e86\u591a\u7a2e\u66f4\u65b0\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>updateOne()<\/code><\/li>\n<li><code>updateMany()<\/code><\/li>\n<li><code>replaceOne()<\/code><\/li>\n<\/ul>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-HvFgwPEzjo\">\u66f4\u65b0\u64cd\u4f5c\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u66f4\u65b0\u64cd\u4f5c\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db.collection.updateOne(\n   ,\n   ,\n   \n)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>filter<\/code>\u7528\u65bc\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u6587\u6a94\uff0c<code>update<\/code>\u5247\u5b9a\u7fa9\u4e86\u8981\u9032\u884c\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c<code>options<\/code>\u5247\u662f\u53ef\u9078\u7684\u53c3\u6578\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8updateone%e9%80%b2%e8%a1%8c%e5%96%ae%e5%80%8b%e6%96%87%e6%aa%94%e6%9b%b4%e6%96%b0-HvFgwPEzjo\">\u4f7f\u7528updateOne()\u9032\u884c\u55ae\u500b\u6587\u6a94\u66f4\u65b0<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u66f4\u65b0\u96c6\u5408\u4e2d\u7684\u55ae\u500b\u6587\u6a94\uff0c\u53ef\u4ee5\u4f7f\u7528<code>updateOne()<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.users.updateOne(\n   { username: \"john_doe\" },\n   { $set: { email: \"john@example.com\" } }\n)<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u67e5\u627e\u7528\u6236\u540d\u70ba\u201cjohn_doe\u201d\u7684\u6587\u6a94\uff0c\u4e26\u5c07\u5176\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u66f4\u65b0\u70ba\u201cjohn@example.com\u201d\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8updatemany%e9%80%b2%e8%a1%8c%e5%a4%9a%e5%80%8b%e6%96%87%e6%aa%94%e6%9b%b4%e6%96%b0-HvFgwPEzjo\">\u4f7f\u7528updateMany()\u9032\u884c\u591a\u500b\u6587\u6a94\u66f4\u65b0<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u591a\u500b\u6587\u6a94\uff0c\u53ef\u4ee5\u4f7f\u7528<code>updateMany()<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.users.updateMany(\n   { status: \"inactive\" },\n   { $set: { status: \"active\" } }\n)<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6240\u6709\u72c0\u614b\u70ba\u201cinactive\u201d\u7684\u7528\u6236\u66f4\u65b0\u70ba\u201cactive\u201d\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8replaceone%e6%9b%bf%e6%8f%9b%e6%96%87%e6%aa%94-HvFgwPEzjo\">\u4f7f\u7528replaceOne()\u66ff\u63db\u6587\u6a94<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5b8c\u5168\u66ff\u63db\u4e00\u500b\u6587\u6a94\uff0c\u53ef\u4ee5\u4f7f\u7528<code>replaceOne()<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.users.replaceOne(\n   { username: \"john_doe\" },\n   { username: \"john_doe\", email: \"john@example.com\", status: \"active\" }\n)<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7528\u6236\u540d\u70ba\u201cjohn_doe\u201d\u7684\u6587\u6a94\u5b8c\u5168\u66ff\u63db\u70ba\u65b0\u7684\u6587\u6a94\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e4%b8%ad%e7%9a%84%e9%81%8b%e7%ae%97%e7%ac%a6-HvFgwPEzjo\">\u66f4\u65b0\u64cd\u4f5c\u4e2d\u7684\u904b\u7b97\u7b26<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u66f4\u65b0\u64cd\u4f5c\u652f\u6301\u591a\u7a2e\u904b\u7b97\u7b26\uff0c\u9019\u4e9b\u904b\u7b97\u7b26\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u66f4\u9748\u6d3b\u5730\u9032\u884c\u6578\u64da\u66f4\u65b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u904b\u7b97\u7b26\uff1a<\/p>\n<ul>\n<li><code>$set<\/code>: \u7528\u65bc\u8a2d\u7f6e\u5b57\u6bb5\u7684\u503c\u3002<\/li>\n<li><code>$unset<\/code>: \u7528\u65bc\u522a\u9664\u5b57\u6bb5\u3002<\/li>\n<li><code>$inc<\/code>: \u7528\u65bc\u5c0d\u6578\u5b57\u5b57\u6bb5\u9032\u884c\u589e\u6e1b\u64cd\u4f5c\u3002<\/li>\n<li><code>$push<\/code>: \u7528\u65bc\u5411\u6578\u7d44\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/li>\n<li><code>$pull<\/code>: \u7528\u65bc\u5f9e\u6578\u7d44\u4e2d\u522a\u9664\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-HvFgwPEzjo\">\u7d50\u8ad6<\/h2>\n<p>MongoDB\u7684\u66f4\u65b0\u64cd\u4f5c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\u3002\u901a\u904e\u4f7f\u7528\u4e0d\u540c\u7684\u66f4\u65b0\u65b9\u6cd5\u548c\u904b\u7b97\u7b26\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9ad8\u6548\u5730\u5c0d\u6578\u64da\u9032\u884c\u4fee\u6539\u548c\u7ba1\u7406\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u66f4\u597d\u5730\u5229\u7528MongoDB\u7684\u7279\u6027\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u96f2\u74b0\u5883\u4e2d\u90e8\u7f72MongoDB\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MongoDB\u4e2d\u7684\u66f4\u65b0\u64cd\u4f5c\u8853\u8a9e\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u5730\u4fee\u6539\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-63728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=63728"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63728\/revisions"}],"predecessor-version":[{"id":63729,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63728\/revisions\/63729"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=63728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=63728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=63728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}