{"id":247407,"date":"2024-01-02T21:49:15","date_gmt":"2024-01-02T13:49:15","guid":{"rendered":"https:\/\/www.idc.net\/help\/247407\/"},"modified":"2024-01-02T21:49:15","modified_gmt":"2024-01-02T13:49:15","slug":"mongodb-%e6%9c%af%e8%af%ad-%e5%88%a0%e9%99%a4%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247407\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u5220\u9664\u64cd\u4f5c"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-%e5%88%a0%e9%99%a4%e6%93%8d%e4%bd%9c-ljvGdtCJYg\">MongoDB \u672f\u8bed - \u5220\u9664\u64cd\u4f5c<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-%e5%88%a0%e9%99%a4%e6%93%8d%e4%bd%9c-ljvGdtCJYg\">MongoDB \u672f\u8bed - \u5220\u9664\u64cd\u4f5c<\/h1>\n<h2 id=\"%e6%a6%82%e8%bf%b0-ljvGdtCJYg\">\u6982\u8ff0<\/h2>\n<p>MongoDB \u662f\u4e00\u79cd\u6d41\u884c\u7684\u5f00\u6e90\u6587\u6863\u6570\u636e\u5e93\uff0c\u5177\u6709\u7075\u6d3b\u7684\u6570\u636e\u6a21\u578b\u548c\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd\u3002\u5728\u4f7f\u7528 MongoDB \u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u65f6\uff0c\u4e86\u89e3\u5220\u9664\u64cd\u4f5c\u7684\u672f\u8bed\u548c\u7528\u6cd5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%88%a0%e9%99%a4%e6%93%8d%e4%bd%9c-ljvGdtCJYg\">\u5220\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u5220\u9664\u64cd\u4f5c\u7528\u4e8e\u4ece\u96c6\u5408\u4e2d\u5220\u9664\u6587\u6863\u3002\u5220\u9664\u64cd\u4f5c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u6863\u3002<\/p>\n<h3 id=\"%e5%88%a0%e9%99%a4%e6%96%87%e6%a1%a3-ljvGdtCJYg\">\u5220\u9664\u6587\u6863<\/h3>\n<p>\u8981\u5220\u9664\u4e00\u4e2a\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>deleteOne()<\/code> \u6216 <code>deleteMany()<\/code> \u65b9\u6cd5\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5220\u9664\u96c6\u5408\u4e2d\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u7684\u7b2c\u4e00\u4e2a\u6587\u6863\uff1a<\/p>\n<pre><code>db.collection.deleteOne({ condition })<\/code><\/pre>\n<p>\u800c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5220\u9664\u96c6\u5408\u4e2d\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u7684\u6240\u6709\u6587\u6863\uff1a<\/p>\n<pre><code>db.collection.deleteMany({ condition })<\/code><\/pre>\n<h3 id=\"%e5%88%a0%e9%99%a4%e9%9b%86%e5%90%88-ljvGdtCJYg\">\u5220\u9664\u96c6\u5408<\/h3>\n<p>\u8981\u5220\u9664\u6574\u4e2a\u96c6\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>drop()<\/code> \u65b9\u6cd5\u3002<\/p>\n<pre><code>db.collection.drop()<\/code><\/pre>\n<p>\u6ce8\u610f\uff0c\u5220\u9664\u96c6\u5408\u5c06\u6c38\u4e45\u5220\u9664\u96c6\u5408\u4e2d\u7684\u6240\u6709\u6587\u6863\uff0c\u5e76\u4e14\u65e0\u6cd5\u6062\u590d\u3002<\/p>\n<h3 id=\"%e5%88%a0%e9%99%a4%e6%95%b0%e6%8d%ae%e5%ba%93-ljvGdtCJYg\">\u5220\u9664\u6570\u636e\u5e93<\/h3>\n<p>\u8981\u5220\u9664\u6574\u4e2a\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>dropDatabase()<\/code> \u65b9\u6cd5\u3002<\/p>\n<pre><code>db.dropDatabase()<\/code><\/pre>\n<p>\u540c\u6837\u5730\uff0c\u5220\u9664\u6570\u636e\u5e93\u5c06\u6c38\u4e45\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u96c6\u5408\u548c\u6587\u6863\uff0c\u5e76\u4e14\u65e0\u6cd5\u6062\u590d\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-ljvGdtCJYg\">\u603b\u7ed3<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u5220\u9664\u64cd\u4f5c\u662f\u7ba1\u7406\u6570\u636e\u7684\u91cd\u8981\u90e8\u5206\u3002\u901a\u8fc7\u4f7f\u7528 <code>deleteOne()<\/code>\u3001<code>deleteMany()<\/code>\u3001<code>drop()<\/code> \u548c <code>dropDatabase()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5220\u9664\u6587\u6863\u3001\u96c6\u5408\u548c\u6570\u636e\u5e93\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684 MongoDB \u6258\u7ba1\u89e3\u51b3\u65b9\u6848\uff0c\u540e\u6d6a\u4e91\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u3002\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u60a8\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - \u5220\u9664\u64cd\u4f5c MongoDB \u672f\u8bed - \u5220\u9664\u64cd\u4f5c \u6982\u8ff0 MongoDB \u662f\u4e00\u79cd\u6d41\u884c\u7684\u5f00\u6e90 [&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-247407","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247407","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=247407"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247407\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}