{"id":247369,"date":"2024-01-02T21:11:21","date_gmt":"2024-01-02T13:11:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/247369\/"},"modified":"2024-01-02T21:11:21","modified_gmt":"2024-01-02T13:11:21","slug":"mongodb-%e6%9c%af%e8%af%ad-2dsphere-%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247369\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; 2dsphere \u7d22\u5f15"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-2dsphere-%e7%b4%a2%e5%bc%95-YILezzpOST\">MongoDB \u672f\u8bed - 2dsphere \u7d22\u5f15<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-2dsphere-%e7%b4%a2%e5%bc%95-YILezzpOST\">MongoDB \u672f\u8bed - 2dsphere \u7d22\u5f15<\/h1>\n<p>\u5728MongoDB\u4e2d\uff0c2dsphere\u7d22\u5f15\u662f\u4e00\u79cd\u7528\u4e8e\u5730\u7406\u7a7a\u95f4\u6570\u636e\u7684\u7d22\u5f15\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u548c\u67e5\u8be2\u5305\u542b\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u7684\u6570\u636e\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%af2dsphere%e7%b4%a2%e5%bc%95%ef%bc%9f-YILezzpOST\">\u4ec0\u4e48\u662f2dsphere\u7d22\u5f15\uff1f<\/h2>\n<p>2dsphere\u7d22\u5f15\u662fMongoDB\u4e2d\u7684\u4e00\u79cd\u5730\u7406\u7a7a\u95f4\u7d22\u5f15\uff0c\u5b83\u652f\u6301\u5b58\u50a8\u548c\u67e5\u8be2\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u5305\u542b\u70b9\u3001\u7ebf\u3001\u9762\u7b49\u5730\u7406\u5bf9\u8c61\u7684\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba2dsphere%e7%b4%a2%e5%bc%95%ef%bc%9f-YILezzpOST\">\u5982\u4f55\u521b\u5efa2dsphere\u7d22\u5f15\uff1f<\/h2>\n<p>\u8981\u521b\u5efa2dsphere\u7d22\u5f15\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u96c6\u5408\u4e2d\u5305\u542b\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528createIndex\u65b9\u6cd5\u6765\u521b\u5efa2dsphere\u7d22\u5f15\u3002<\/p>\n<pre><code>db.collection.createIndex({ location: \"2dsphere\" })\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0clocation\u662f\u5305\u542b\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u7684\u5b57\u6bb5\u540d\u3002\u901a\u8fc7\u5c06\u7d22\u5f15\u7c7b\u578b\u8bbe\u7f6e\u4e3a\"2dsphere\"\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a2dsphere\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a82dsphere%e7%b4%a2%e5%bc%95%e8%bf%9b%e8%a1%8c%e6%9f%a5%e8%af%a2%ef%bc%9f-YILezzpOST\">\u5982\u4f55\u4f7f\u75282dsphere\u7d22\u5f15\u8fdb\u884c\u67e5\u8be2\uff1f<\/h2>\n<p>\u4f7f\u75282dsphere\u7d22\u5f15\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528$near\u548c$geoWithin\u7b49\u64cd\u4f5c\u7b26\u6765\u6267\u884c\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u67e5\u627e\u8ddd\u79bb\u7ed9\u5b9a\u5750\u6807\u6700\u8fd1\u7684\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528$near\u64cd\u4f5c\u7b26\uff1a<\/p>\n<pre><code>db.collection.find({\n  location: {\n    $near: {\n      $geometry: {\n        type: \"Point\",\n        coordinates: [longitude, latitude]\n      },\n      $maxDistance: distanceInMeters\n    }\n  }\n})\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0clocation\u662f\u5305\u542b\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u7684\u5b57\u6bb5\u540d\uff0clongitude\u548clatitude\u662f\u7ed9\u5b9a\u5750\u6807\u7684\u7ecf\u5ea6\u548c\u7eac\u5ea6\uff0cdistanceInMeters\u662f\u6700\u5927\u8ddd\u79bb\uff08\u4ee5\u7c73\u4e3a\u5355\u4f4d\uff09\u3002<\/p>\n<p>\u9664\u4e86$near\u64cd\u4f5c\u7b26\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528$geoWithin\u64cd\u4f5c\u7b26\u6765\u6267\u884c\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u3002$geoWithin\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7528\u4e8e\u67e5\u627e\u5728\u6307\u5b9a\u533a\u57df\u5185\u7684\u6587\u6863\u3002<\/p>\n<h2 id=\"2dsphere%e7%b4%a2%e5%bc%95%e7%9a%84%e4%bc%98%e5%8a%bf-YILezzpOST\">2dsphere\u7d22\u5f15\u7684\u4f18\u52bf<\/h2>\n<p>2dsphere\u7d22\u5f15\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u4e8e\u89e3\u51b3\u8bb8\u591a\u4e0e\u5730\u7406\u4f4d\u7f6e\u76f8\u5173\u7684\u95ee\u9898\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u67e5\u627e\u9644\u8fd1\u7684\u5730\u70b9\u3001\u8ba1\u7b97\u4e24\u4e2a\u5730\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u3001\u67e5\u627e\u5728\u6307\u5b9a\u533a\u57df\u5185\u7684\u5730\u70b9\u7b49\u3002<\/p>\n<p>\u6b64\u5916\uff0c2dsphere\u7d22\u5f15\u8fd8\u652f\u6301\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u7684\u7d22\u5f15\u548c\u6392\u5e8f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-YILezzpOST\">\u603b\u7ed3<\/h2>\n<p>2dsphere\u7d22\u5f15\u662fMongoDB\u4e2d\u7528\u4e8e\u5730\u7406\u7a7a\u95f4\u6570\u636e\u7684\u7d22\u5f15\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u548c\u67e5\u8be2\u5305\u542b\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u7684\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u529f\u80fd\u3002\u901a\u8fc7\u4f7f\u7528$near\u548c$geoWithin\u7b49\u64cd\u4f5c\u7b26\uff0c\u53ef\u4ee5\u6267\u884c\u5404\u79cd\u5730\u7406\u7a7a\u95f4\u67e5\u8be2\u30022dsphere\u7d22\u5f15\u7684\u4f18\u52bf\u5305\u62ec\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-YILezzpOST\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u53ef\u6ee1\u8db3\u60a8\u7684\u5404\u79cd\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - 2dsphere \u7d22\u5f15 MongoDB \u672f\u8bed - 2dsphere \u7d22\u5f15 \u5728Mong [&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-247369","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247369","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=247369"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247369\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}