{"id":247377,"date":"2024-01-02T21:19:18","date_gmt":"2024-01-02T13:19:18","guid":{"rendered":"https:\/\/www.idc.net\/help\/247377\/"},"modified":"2024-01-02T21:19:18","modified_gmt":"2024-01-02T13:19:18","slug":"mongodb-%e6%9c%af%e8%af%ad-%e6%8e%92%e5%ba%8f%e8%a7%84%e5%88%99","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247377\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u6392\u5e8f\u89c4\u5219"},"content":{"rendered":"<p><title>MongoDB \u672f\u8bed - \u6392\u5e8f\u89c4\u5219<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-%e6%8e%92%e5%ba%8f%e8%a7%84%e5%88%99-QJmMiIPHqG\"> MongoDB \u672f\u8bed - \u6392\u5e8f\u89c4\u5219<\/h1>\n<p>\u5728MongoDB\u4e2d\uff0c\u6392\u5e8f\u89c4\u5219\u662f\u7528\u4e8e\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u7684\u6392\u5e8f\u987a\u5e8f\u7684\u4e00\u79cd\u65b9\u5f0f\u3002\u6392\u5e8f\u89c4\u5219\u53ef\u4ee5\u5e94\u7528\u4e8e\u67e5\u8be2\u64cd\u4f5c\uff0c\u4ee5\u6309\u7167\u6307\u5b9a\u7684\u5b57\u6bb5\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%8e%92%e5%ba%8f%e8%a7%84%e5%88%99-QJmMiIPHqG\">\u57fa\u672c\u6392\u5e8f\u89c4\u5219<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sort()\u65b9\u6cd5\u6765\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u3002sort()\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u5305\u542b\u6392\u5e8f\u5b57\u6bb5\u548c\u6392\u5e8f\u987a\u5e8f\u7684\u6587\u6863\u4f5c\u4e3a\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u8981\u6309\u7167age\u5b57\u6bb5\u5347\u5e8f\u5bf9\u96c6\u5408\u4e2d\u7684\u6587\u6863\u8fdb\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre><code>db.collection.find().sort({ age: 1 })<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u6309\u7167age\u5b57\u6bb5\u5347\u5e8f\u6392\u5217\u7684\u6587\u6863\u3002<\/p>\n<p>\u5982\u679c\u8981\u6309\u7167\u964d\u5e8f\u8fdb\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u5c06\u6392\u5e8f\u987a\u5e8f\u8bbe\u7f6e\u4e3a-1\u3002\u4f8b\u5982\uff0c\u8981\u6309\u7167age\u5b57\u6bb5\u964d\u5e8f\u5bf9\u96c6\u5408\u4e2d\u7684\u6587\u6863\u8fdb\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre><code>db.collection.find().sort({ age: -1 })<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u6309\u7167age\u5b57\u6bb5\u964d\u5e8f\u6392\u5217\u7684\u6587\u6863\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e5%ad%97%e6%ae%b5%e6%8e%92%e5%ba%8f-QJmMiIPHqG\">\u591a\u5b57\u6bb5\u6392\u5e8f<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\u3002\u5f53\u591a\u4e2a\u5b57\u6bb5\u5177\u6709\u76f8\u540c\u7684\u503c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u5b57\u6bb5\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u6392\u5e8f\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u591a\u4e2a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<pre><code>db.collection.find().sort({ field1: 1, field2: -1 })<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u9996\u5148\u6309\u7167field1\u5b57\u6bb5\u5347\u5e8f\u6392\u5e8f\uff0c\u7136\u540e\u6309\u7167field2\u5b57\u6bb5\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e6%96%87%e6%9c%ac%e6%8e%92%e5%ba%8f-QJmMiIPHqG\">\u6587\u672c\u6392\u5e8f<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u6392\u5e8f\u89c4\u5219\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f\u3002\u6587\u672c\u6392\u5e8f\u89c4\u5219\u53ef\u4ee5\u6839\u636e\u5b57\u7b26\u4e32\u7684\u5b57\u6bcd\u987a\u5e8f\u8fdb\u884c\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u6309\u7167\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u987a\u5e8f\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6587\u672c\u6392\u5e8f\u89c4\u5219\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<pre><code>db.collection.find().sort({ name: \"text\" })<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u6309\u7167name\u5b57\u6bb5\u7684\u5b57\u6bcd\u987a\u5e8f\u5bf9\u6587\u6863\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-QJmMiIPHqG\">\u603b\u7ed3<\/h2>\n<p>\u6392\u5e8f\u89c4\u5219\u662fMongoDB\u4e2d\u7528\u4e8e\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u6392\u5e8f\u987a\u5e8f\u7684\u4e00\u79cd\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528sort()\u65b9\u6cd5\u6765\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\uff0c\u53ef\u4ee5\u6309\u7167\u5355\u4e2a\u5b57\u6bb5\u6216\u591a\u4e2a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u6392\u5e8f\u89c4\u5219\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u4e00\u4e2a\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u670d\u52a1\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u591a\u79cd\u4ea7\u54c1\u3002\u8bf7\u8bbf\u95ee\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 - \u6392\u5e8f\u89c4\u5219 MongoDB \u672f\u8bed - \u6392\u5e8f\u89c4\u5219 \u5728MongoDB\u4e2d\uff0c\u6392\u5e8f\u89c4\u5219\u662f\u7528\u4e8e\u6307\u5b9a [&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-247377","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247377","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=247377"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247377\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}