{"id":21550,"date":"2024-01-02T11:20:27","date_gmt":"2024-01-02T11:20:27","guid":{"rendered":"https:\/\/server.hk\/blog\/21550\/"},"modified":"2024-11-14T10:30:53","modified_gmt":"2024-11-14T02:30:53","slug":"mongodb-glossary-sort","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21550\/","title":{"rendered":"MongoDB\u8a5e\u5f59\u8868 – \u6392\u5e8f"},"content":{"rendered":"

MongoDB\u8a5e\u5f59\u8868 – \u6392\u5e8f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7684\u4e16\u754c\u4e2d\uff0c\u6392\u5e8f\u662f\u4e00\u9805\u57fa\u672c\u64cd\u4f5c\uff0c\u5141\u8a31\u60a8\u4ee5\u7279\u5b9a\u9806\u5e8f\u7d44\u7e54\u6578\u64da\u3002MongoDB\uff0c\u9019\u500b\u5ee3\u53d7\u6b61\u8fce\u7684NoSQL\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u6392\u5e8f\u529f\u80fd\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6839\u64da\u5404\u7a2e\u6a19\u6e96\u5c0d\u6578\u64da\u9032\u884c\u6392\u5e8f\u3002\u672c\u6587\u5c07\u63a2\u8a0eMongoDB\u4e2d\u7684\u6392\u5e8f\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5229\u7528\u9019\u4e00\u529f\u80fd\u3002<\/p>\n

\u7406\u89e3MongoDB\u4e2d\u7684\u6392\u5e8f<\/h2>\n

\u5728MongoDB\u4e2d\uff0c\u6392\u5e8f\u6307\u7684\u662f\u6839\u64da\u6307\u5b9a\u7684\u5b57\u6bb5\u6216\u5b57\u6bb5\u96c6\u5408\u6392\u5217\u6587\u6a94\u7684\u904e\u7a0b\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMongoDB\u6703\u4ee5\u5347\u5e8f\u6392\u5e8f\u6587\u6a94\uff0c\u4f46\u5982\u679c\u9700\u8981\uff0c\u4e5f\u53ef\u4ee5\u9078\u64c7\u4ee5\u964d\u5e8f\u9032\u884c\u6392\u5e8f\u3002\u6392\u5e8f\u53ef\u4ee5\u61c9\u7528\u65bc\u55ae\u500b\u5b57\u6bb5\u6216\u591a\u500b\u5b57\u6bb5\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u4f86\u7d44\u7e54\u6578\u64da\u3002<\/p>\n

\u6392\u5e8f\u8a9e\u6cd5<\/h2>\n

MongoDB\u4e2d\u6392\u5e8f\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

db.collection.find().sort({ field: 1 })\r\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u8a9e\u6cd5\u4e2d\uff0cdb.collection.find()<\/code>\u5f9e\u96c6\u5408\u4e2d\u6aa2\u7d22\u6587\u6a94\uff0c\u800csort()<\/code>\u65b9\u6cd5\u7528\u65bc\u6307\u5b9a\u6392\u5e8f\u7684\u5b57\u6bb5\u3002\u6578\u5b571<\/code>\u8868\u793a\u5347\u5e8f\uff0c\u800c-1<\/code>\u5247\u8868\u793a\u964d\u5e8f\u3002<\/p>\n
\u6309\u55ae\u500b\u5b57\u6bb5\u6392\u5e8f<\/h2>\n
\u6309\u55ae\u500b\u5b57\u6bb5\u6392\u5e8f\u662f\u6700\u5e38\u898b\u7684\u7528\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u300cusers\u300d\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u5305\u542b\u5b57\u6bb5\u5982\u300cname\u300d\u3001\u300cage\u300d\u548c\u300ccountry\u300d\u7684\u6587\u6a94\u3002\u8981\u6309\u300cname\u300d\u5b57\u6bb5\u7684\u5347\u5e8f\u6392\u5e8f\u6587\u6a94\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
db.users.find().sort({ name: 1 })\r\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u6309\u5b57\u6bcd\u9806\u5e8f\u8fd4\u56de\u6309\u300cname\u300d\u5b57\u6bb5\u6392\u5e8f\u7684\u6587\u6a94\u3002<\/p>\n
\u6309\u591a\u500b\u5b57\u6bb5\u6392\u5e8f<\/h2>\n
MongoDB\u9084\u5141\u8a31\u6309\u591a\u500b\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\uff0c\u9019\u5728\u60a8\u5e0c\u671b\u6839\u64da\u591a\u500b\u6a19\u6e96\u5c0d\u6587\u6a94\u9032\u884c\u6392\u5e8f\u6642\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u6309\u300ccountry\u300d\u5b57\u6bb5\u7684\u5347\u5e8f\u548c\u300cage\u300d\u5b57\u6bb5\u7684\u964d\u5e8f\u5c0d\u300cusers\u300d\u96c6\u5408\u9032\u884c\u6392\u5e8f\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u9054\u6210\uff1a<\/p>\n
db.users.find().sort({ country: 1, age: -1 })\r\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u9996\u5148\u6309\u300ccountry\u300d\u5b57\u6bb5\u7684\u5347\u5e8f\u5c0d\u6587\u6a94\u9032\u884c\u6392\u5e8f\u3002\u5982\u679c\u767c\u751f\u5e73\u5c40\uff0c\u5247\u5c07\u6309\u300cage\u300d\u5b57\u6bb5\u7684\u964d\u5e8f\u9032\u884c\u6392\u5e8f\u3002<\/p>\n
\u5c0d\u5d4c\u5957\u5b57\u6bb5\u9032\u884c\u6392\u5e8f<\/h2>\n
\u5728MongoDB\u4e2d\uff0c\u60a8\u9084\u53ef\u4ee5\u6839\u64da\u5d4c\u5957\u5c0d\u8c61\u6216\u6578\u7d44\u4e2d\u7684\u5b57\u6bb5\u5c0d\u6587\u6a94\u9032\u884c\u6392\u5e8f\u3002\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba\u300cproducts\u300d\u7684\u96c6\u5408\uff0c\u6587\u6a94\u5305\u542b\u4e00\u500b\u540d\u70ba\u300cdetails\u300d\u7684\u5d4c\u5957\u5c0d\u8c61\uff0c\u5176\u4e2d\u6709\u4e00\u500b\u5b57\u6bb5\u53eb\u505a\u300cprice\u300d\u3002\u8981\u6309\u300cdetails\u300d\u5c0d\u8c61\u4e2d\u7684\u300cprice\u300d\u5b57\u6bb5\u7684\u5347\u5e8f\u5c0d\u6587\u6a94\u9032\u884c\u6392\u5e8f\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
db.products.find().sort({ \"details.price\": 1 })\r\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u6839\u64da\u300cdetails\u300d\u5c0d\u8c61\u4e2d\u7684\u300cprice\u300d\u5b57\u6bb5\u5c0d\u6587\u6a94\u9032\u884c\u6392\u5e8f\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u6392\u5e8f\u662fMongoDB\u4e2d\u7684\u4e00\u9805\u57fa\u672c\u64cd\u4f5c\uff0c\u5141\u8a31\u60a8\u4ee5\u7279\u5b9a\u9806\u5e8f\u7d44\u7e54\u6578\u64da\u3002\u7121\u8ad6\u60a8\u662f\u9700\u8981\u6309\u55ae\u500b\u5b57\u6bb5\u3001\u8907\u6578\u5b57\u6bb5\u9084\u662f\u5d4c\u5957\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\uff0cMongoDB\u90fd\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u5f37\u5927\u7684\u6392\u5e8f\u529f\u80fd\u3002\u901a\u904e\u7406\u89e3\u548c\u5229\u7528MongoDB\u7684\u6392\u5e8f\u80fd\u529b\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u7e3d\u4e4b\uff0c\u5728MongoDB\u4e2d\u7684\u6392\u5e8f\u662f\u6839\u64da\u6307\u5b9a\u5b57\u6bb5\u5c0d\u96c6\u5408\u4e2d\u7684\u6587\u6a94\u9032\u884c\u6392\u5217\u7684\u904e\u7a0b\u3002MongoDB\u5141\u8a31\u4ee5\u5347\u5e8f\u6216\u964d\u5e8f\u9032\u884c\u6392\u5e8f\uff0c\u4e26\u652f\u6301\u6309\u55ae\u500b\u5b57\u6bb5\u3001\u591a\u500b\u5b57\u6bb5\u4ee5\u53ca\u5d4c\u5957\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\u3002\u5982\u9700\u4e86\u89e3\u6709\u95dcMongoDB\u53ca\u5176\u529f\u80fd\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u63a2\u7d22Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u9818\u5148\u7684VPS\u4e3b\u6a5f\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
MongoDB\u8a5e\u5f59\u8868 &#821...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21550","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21550","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21550"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21550\/revisions"}],"predecessor-version":[{"id":23902,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21550\/revisions\/23902"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}