{"id":22040,"date":"2024-01-02T19:31:24","date_gmt":"2024-01-02T19:31:24","guid":{"rendered":"https:\/\/server.hk\/blog\/22040\/"},"modified":"2024-11-14T10:22:43","modified_gmt":"2024-11-14T02:22:43","slug":"mongodb-glossary-2dsphere-index","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/22040\/","title":{"rendered":"MongoDB \u8a5e\u5f59 &#8211; 2dsphere \u7d22\u5f15"},"content":{"rendered":"<h1 id=\"mongodb-glossary-2dsphere-index-fEpFlhhuLq\">MongoDB \u8a5e\u5f59 &#8211; 2dsphere \u7d22\u5f15<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u9818\u57df\u4e2d\uff0cMongoDB \u56e0\u5176\u9748\u6d3b\u6027\u3001\u53ef\u64f4\u5c55\u6027\u4ee5\u53ca\u5f37\u5927\u7684\u529f\u80fd\u800c\u7372\u5f97\u4e86\u986f\u8457\u7684\u6d41\u884c\u3002\u5176\u4e2d\u4e00\u500b\u529f\u80fd\u662f 2dsphere \u7d22\u5f15\uff0c\u5b83\u652f\u6301\u9ad8\u6548\u7684\u5730\u7406\u7a7a\u9593\u67e5\u8a62\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u7d22 2dsphere \u7d22\u5f15\u662f\u4ec0\u9ebc\uff0c\u5b83\u5982\u4f55\u5de5\u4f5c\uff0c\u4ee5\u53ca\u5b83\u5728 MongoDB \u4e2d\u7684\u597d\u8655\u3002<\/p>\n<h2 id=\"understanding-geospatial-data-fEpFlhhuLq\">\u7406\u89e3\u5730\u7406\u7a7a\u9593\u6578\u64da<\/h2>\n<p>\u5730\u7406\u7a7a\u9593\u6578\u64da\u6307\u7684\u662f\u8207\u5730\u7403\u8868\u9762\u7279\u5b9a\u4f4d\u7f6e\u76f8\u95dc\u7684\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u5305\u62ec\u5750\u6a19\u3001\u5730\u5740\u3001\u591a\u908a\u5f62\u7b49\u3002MongoDB \u70ba\u5b58\u5132\u548c\u67e5\u8a62\u5730\u7406\u7a7a\u9593\u6578\u64da\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\uff0c\u4f7f\u5176\u6210\u70ba\u9700\u8981\u4f4d\u7f6e\u529f\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"what-is-the-2dsphere-index-fEpFlhhuLq\">\u4ec0\u9ebc\u662f 2dsphere \u7d22\u5f15\uff1f<\/h2>\n<p>2dsphere \u7d22\u5f15\u662f MongoDB \u4e2d\u7684\u4e00\u7a2e\u5730\u7406\u7a7a\u9593\u7d22\u5f15\uff0c\u652f\u6301\u5c0d 2D \u7403\u9762\u5e7e\u4f55\u9032\u884c\u67e5\u8a62\u3002\u5b83\u5c08\u70ba\u8655\u7406\u8907\u96dc\u7684\u5730\u7406\u7a7a\u9593\u64cd\u4f5c\u800c\u8a2d\u8a08\uff0c\u4f8b\u5982\u67e5\u627e\u7279\u5b9a\u534a\u5f91\u5167\u7684\u9ede\u3001\u8a08\u7b97\u9ede\u4e4b\u9593\u7684\u8ddd\u96e2\u4ee5\u53ca\u9032\u884c\u591a\u908a\u5f62\u4ea4\u53c9\u67e5\u8a62\u3002<\/p>\n<p>\u8207\u50c5\u9069\u7528\u65bc\u5e73\u5766\u3001\u5e73\u9762\u5e7e\u4f55\u7684 2d \u7d22\u5f15\u4e0d\u540c\uff0c2dsphere \u7d22\u5f15\u8003\u616e\u4e86\u5730\u7403\u8868\u9762\u7684\u66f2\u7387\u3002\u9019\u4f7f\u5176\u9069\u5408\u8655\u7406\u5be6\u969b\u5730\u7406\u6578\u64da\u7684\u61c9\u7528\uff0c\u5982\u7e6a\u5716\u3001\u5c0e\u822a\u548c\u57fa\u65bc\u4f4d\u7f6e\u7684\u670d\u52d9\u7b49\u3002<\/p>\n<h2 id=\"how-does-the-2dsphere-index-work-fEpFlhhuLq\">2dsphere \u7d22\u5f15\u5982\u4f55\u5de5\u4f5c\uff1f<\/h2>\n<p>2dsphere \u7d22\u5f15\u4f7f\u7528\u5730\u7406\u96dc\u6e4a\uff08geohashes\uff09\u548c\u7403\u9762\u6a21\u578b\u7684\u7d44\u5408\u4f86\u9ad8\u6548\u5b58\u5132\u548c\u67e5\u8a62\u5730\u7406\u7a7a\u9593\u6578\u64da\u3002\u5730\u7406\u96dc\u6e4a\u662f\u4e00\u7a2e\u5c07\u4f4d\u7f6e\u8868\u793a\u70ba\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\uff0c\u5141\u8a31\u5feb\u901f\u7d22\u5f15\u548c\u641c\u7d22\u3002<\/p>\n<p>\u7576\u4e00\u500b\u5e36\u6709\u5730\u7406\u7a7a\u9593\u6578\u64da\u7684\u6587\u6a94\u88ab\u63d2\u5165\u96c6\u5408\u4e2d\u6642\uff0cMongoDB \u81ea\u52d5\u70ba\u6307\u5b9a\u7684\u5750\u6a19\u8a08\u7b97\u5730\u7406\u96dc\u6e4a\u4e26\u5c07\u5176\u5132\u5b58\u5728\u7d22\u5f15\u4e2d\u3002\u9019\u4f7f\u5f97\u6839\u64da\u5176\u9760\u8fd1\u7d66\u5b9a\u4f4d\u7f6e\u7684\u6587\u6a94\u5feb\u901f\u6aa2\u7d22\u6210\u70ba\u53ef\u80fd\u3002<\/p>\n<p>\u6d89\u53ca 2dsphere \u7d22\u5f15\u7684\u67e5\u8a62\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2e\u904b\u7b97\u5b50\uff0c\u5982 $near\u3001$geoWithin \u548c $geoIntersects\uff0c\u4f86\u57f7\u884c\u4e0d\u540c\u985e\u578b\u7684\u5730\u7406\u7a7a\u9593\u64cd\u4f5c\u3002\u9019\u4e9b\u904b\u7b97\u5b50\u5229\u7528\u7d22\u5f15\u4f86\u9ad8\u6548\u5730\u904e\u6ffe\u548c\u6aa2\u7d22\u6240\u9700\u7684\u6587\u6a94\u3002<\/p>\n<h2 id=\"benefits-of-the-2dsphere-index-fEpFlhhuLq\">2dsphere \u7d22\u5f15\u7684\u597d\u8655<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u67e5\u8a62\uff1a<\/strong>2dsphere \u7d22\u5f15\u5141\u8a31\u5feb\u901f\u6e96\u78ba\u5730\u9032\u884c\u5730\u7406\u7a7a\u9593\u67e5\u8a62\uff0c\u4f7f\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8fc5\u901f\u6aa2\u7d22\u76f8\u95dc\u6578\u64da\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u6191\u85c9\u5c0d\u8907\u96dc\u5730\u7406\u7a7a\u9593\u64cd\u4f5c\u7684\u652f\u6301\uff0c2dsphere \u7d22\u5f15\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u69cb\u5efa\u9ad8\u7d1a\u57fa\u65bc\u4f4d\u7f6e\u529f\u80fd\u7684\u9748\u6d3b\u6027\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>MongoDB \u7684\u5206\u4f48\u5f0f\u67b6\u69cb\u78ba\u4fdd\u4e86\u96a8\u8457\u6578\u64da\u91cf\u548c\u67e5\u8a62\u8ca0\u8f09\u589e\u52a0\uff0c2dsphere \u7d22\u5f15\u53ef\u4ee5\u6c34\u5e73\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c2dsphere \u7d22\u5f15\u662f\u8655\u7406 MongoDB \u4e2d\u5730\u7406\u7a7a\u9593\u6578\u64da\u7684\u5f37\u5927\u5de5\u5177\u3002\u5b83\u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u3001\u7d22\u5f15\u548c\u67e5\u8a62\u5730\u7406\u7a7a\u9593\u4fe1\u606f\uff0c\u4f7f\u5176\u6210\u70ba\u4f9d\u8cf4\u57fa\u65bc\u4f4d\u7f6e\u529f\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u7684\u95dc\u9375\u529f\u80fd\u3002<\/p>\n<h2 id=\"summary-fEpFlhhuLq\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0c2dsphere \u7d22\u5f15\u662f MongoDB \u4e2d\u7684\u4e00\u7a2e\u5730\u7406\u7a7a\u9593\u7d22\u5f15\uff0c\u652f\u6301\u5c0d 2D \u7403\u9762\u5e7e\u4f55\u9032\u884c\u67e5\u8a62\u3002\u5b83\u4f7f\u5f97\u5730\u7406\u7a7a\u9593\u6578\u64da\u7684\u6709\u6548\u5b58\u5132\u548c\u6aa2\u7d22\u8b8a\u5f97\u53ef\u80fd\uff0c\u4f7f\u5176\u6210\u70ba\u9700\u8981\u4f4d\u7f6e\u529f\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u7684\u5bf6\u8cb4\u7279\u8272\u3002\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc MongoDB \u53ca\u5176\u5f37\u5927\u529f\u80fd\u7684\u8cc7\u8a0a\uff0c\u8acb\u8003\u616e\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u63d0\u4f9b\u53ef\u9760\u4e14\u53ef\u64f4\u5c55\u7684\u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u7684\u9818\u5148 VPS \u4e3b\u6a5f\u516c\u53f8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59 &#038;#821&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-22040","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22040","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=22040"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22040\/revisions"}],"predecessor-version":[{"id":23236,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22040\/revisions\/23236"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=22040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=22040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=22040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}