{"id":188300,"date":"2024-11-11T21:31:26","date_gmt":"2024-11-11T13:31:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188300\/"},"modified":"2024-11-11T21:31:27","modified_gmt":"2024-11-11T13:31:27","slug":"%e6%8e%a2%e7%a9%b6geo%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84count%e5%80%bc%e5%b0%8d%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%e7%9a%84%e5%bd%b1%e9%9f%bf-geo%e6%95%b8%e6%93%9a%e5%ba%ab-count%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188300\/","title":{"rendered":"\u63a2\u7a76Geo\u6578\u64da\u5eab\u7684Count\u503c\u5c0d\u6578\u64da\u5206\u6790\u7684\u5f71\u97ff (geo\u6578\u64da\u5eab count\u503c)"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%a9%b6geo%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84count%e5%80%bc%e5%b0%8d%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%e7%9a%84%e5%bd%b1%e9%9f%bf-DTswuYbwZp\">\u63a2\u7a76Geo\u6578\u64da\u5eab\u7684Count\u503c\u5c0d\u6578\u64da\u5206\u6790\u7684\u5f71\u97ff<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5206\u6790\u5df2\u6210\u70ba\u4f01\u696d\u6c7a\u7b56\u7684\u91cd\u8981\u57fa\u77f3\u3002Geo\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u7a2e\u5c08\u9580\u8655\u7406\u5730\u7406\u7a7a\u9593\u6578\u64da\u7684\u6578\u64da\u5eab\uff0c\u5176\u5728\u6578\u64da\u5206\u6790\u4e2d\u7684\u61c9\u7528\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\u3002\u672c\u6587\u5c07\u63a2\u8a0eGeo\u6578\u64da\u5eab\u4e2d\u7684Count\u503c\u5c0d\u6578\u64da\u5206\u6790\u7684\u5f71\u97ff\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5be6\u4f8b\u548c\u4ee3\u78bc\u793a\u4f8b\uff0c\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afgeo%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-DTswuYbwZp\">\u4ec0\u9ebc\u662fGeo\u6578\u64da\u5eab\uff1f<\/h2>\n<p>Geo\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5c08\u9580\u8a2d\u8a08\u7528\u4f86\u5b58\u5132\u3001\u67e5\u8a62\u548c\u7ba1\u7406\u5730\u7406\u7a7a\u9593\u6578\u64da\u7684\u6578\u64da\u5eab\u3002\u9019\u985e\u6578\u64da\u5eab\u901a\u5e38\u652f\u6301\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\uff08GIS\uff09\u529f\u80fd\uff0c\u80fd\u5920\u8655\u7406\u9ede\u3001\u7dda\u3001\u9762\u7b49\u5730\u7406\u5c0d\u8c61\u3002Geo\u6578\u64da\u5eab\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u652f\u6301\u7a7a\u9593\u67e5\u8a62\uff1a\u80fd\u5920\u6839\u64da\u5730\u7406\u4f4d\u7f6e\u9032\u884c\u67e5\u8a62\u3002<\/li>\n<li>\u5b58\u5132\u591a\u7a2e\u6578\u64da\u985e\u578b\uff1a\u5305\u62ec\u77e2\u91cf\u6578\u64da\u548c\u5149\u67f5\u6578\u64da\u3002<\/li>\n<li>\u63d0\u4f9b\u7a7a\u9593\u7d22\u5f15\uff1a\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"count%e5%80%bc%e7%9a%84%e5%ae%9a%e7%be%a9%e5%8f%8a%e5%85%b6%e9%87%8d%e8%a6%81%e6%80%a7-DTswuYbwZp\">Count\u503c\u7684\u5b9a\u7fa9\u53ca\u5176\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u6578\u64da\u5206\u6790\u4e2d\uff0cCount\u503c\u901a\u5e38\u7528\u4f86\u8a08\u7b97\u67d0\u4e00\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\u8a18\u9304\u6578\u91cf\u3002\u5728Geo\u6578\u64da\u5eab\u4e2d\uff0cCount\u503c\u53ef\u4ee5\u7528\u4f86\u5206\u6790\u5730\u7406\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u901a\u904e\u8a08\u7b97\u67d0\u4e00\u5340\u57df\u5167\u7684\u5546\u5e97\u6578\u91cf\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u5e02\u5834\u9700\u6c42\u548c\u7af6\u722d\u72c0\u6cc1\u3002<\/p>\n<h3 id=\"count%e5%80%bc%e7%9a%84%e8%a8%88%e7%ae%97%e7%a4%ba%e4%be%8b-DTswuYbwZp\">Count\u503c\u7684\u8a08\u7b97\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQL\u67e5\u8a62\u8a08\u7b97Count\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT COUNT(*) \nFROM stores \nWHERE ST_Within(location, ST_MakeEnvelope(114.0, 22.0, 115.0, 23.0));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u8a08\u7b97\u4e86\u4f4d\u65bc\u7279\u5b9a\u5730\u7406\u7bc4\u570d\u5167\u7684\u5546\u5e97\u6578\u91cf\u3002\u9019\u6a23\u7684Count\u503c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u8a55\u4f30\u8a72\u5340\u57df\u7684\u5e02\u5834\u6f5b\u529b\u3002<\/p>\n<h2 id=\"count%e5%80%bc%e5%9c%a8%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-DTswuYbwZp\">Count\u503c\u5728\u6578\u64da\u5206\u6790\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>Count\u503c\u5728\u6578\u64da\u5206\u6790\u4e2d\u7684\u61c9\u7528\u975e\u5e38\u5ee3\u6cdb\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5177\u9ad4\u7684\u4f8b\u5b50\uff1a<\/p>\n<ul>\n<li><strong>\u5e02\u5834\u5206\u6790\uff1a<\/strong>\u4f01\u696d\u53ef\u4ee5\u901a\u904e\u8a08\u7b97\u4e0d\u540c\u5730\u5340\u7684\u5ba2\u6236\u6578\u91cf\uff0c\u4f86\u5236\u5b9a\u91dd\u5c0d\u6027\u7684\u5e02\u5834\u7b56\u7565\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u5206\u914d\uff1a<\/strong>\u653f\u5e9c\u6a5f\u69cb\u53ef\u4ee5\u6839\u64da\u4eba\u53e3\u5bc6\u5ea6\u7684Count\u503c\u4f86\u5408\u7406\u5206\u914d\u516c\u5171\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u98a8\u96aa\u8a55\u4f30\uff1a<\/strong>\u5728\u81ea\u7136\u707d\u5bb3\u98a8\u96aa\u8a55\u4f30\u4e2d\uff0cCount\u503c\u53ef\u4ee5\u7528\u4f86\u8a08\u7b97\u53d7\u5f71\u97ff\u5340\u57df\u5167\u7684\u5efa\u7bc9\u7269\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h3 id=\"count%e5%80%bc%e7%9a%84%e6%8c%91%e6%88%b0-DTswuYbwZp\">Count\u503c\u7684\u6311\u6230<\/h3>\n<p>\u5118\u7ba1Count\u503c\u5728\u6578\u64da\u5206\u6790\u4e2d\u5177\u6709\u91cd\u8981\u610f\u7fa9\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4e5f\u9762\u81e8\u4e00\u4e9b\u6311\u6230\u3002\u4f8b\u5982\uff0c\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u6703\u76f4\u63a5\u5f71\u97ffCount\u503c\u7684\u53ef\u9760\u6027\u3002\u6b64\u5916\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u8a08\u7b97Count\u503c\u7684\u6548\u7387\u4e5f\u6210\u70ba\u4e00\u500b\u9700\u8981\u95dc\u6ce8\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-DTswuYbwZp\">\u7d50\u8ad6<\/h2>\n<p>Geo\u6578\u64da\u5eab\u4e2d\u7684Count\u503c\u5c0d\u6578\u64da\u5206\u6790\u5177\u6709\u91cd\u8981\u5f71\u97ff\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u548c\u6a5f\u69cb\u505a\u51fa\u66f4\u70ba\u660e\u667a\u7684\u6c7a\u7b56\u3002\u901a\u904e\u6709\u6548\u5730\u8a08\u7b97\u548c\u5206\u6790Count\u503c\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u7372\u5f97\u6709\u50f9\u503c\u7684\u898b\u89e3\uff0c\u5f9e\u800c\u5728\u7af6\u722d\u6fc0\u70c8\u7684\u5e02\u5834\u4e2d\u4f54\u64da\u512a\u52e2\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86Geo\u6578\u64da\u5eab\u7684\u61c9\u7528\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0cCount\u503c\u7684\u8a08\u7b97\u548c\u5206\u6790\u4e5f\u5c07\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7a76Geo\u6578\u64da\u5eab\u7684Count\u503c\u5982\u4f55\u5f71\u97ff\u6578\u64da\u5206\u6790\uff0c\u63ed\u793a\u5176\u5728\u6578\u64da\u6e96\u78ba\u6027\u548c\u6c7a\u7b56\u652f\u6301\u4e2d\u7684\u95dc\u9375\u4f5c\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-188300","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188300","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=188300"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188300\/revisions"}],"predecessor-version":[{"id":188301,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188300\/revisions\/188301"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}