{"id":202168,"date":"2025-05-10T08:22:33","date_gmt":"2025-05-10T00:22:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202168\/"},"modified":"2025-05-10T08:22:33","modified_gmt":"2025-05-10T00:22:33","slug":"redis%e7%89%b9%e6%ae%8a%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e4%b9%8bgeospatial%e6%80%8e%e4%b9%88%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202168\/","title":{"rendered":"Redis\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u4e4bGeospatial\u600e\u4e48\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u4e4bGeospatial\u600e\u4e48\u5e94\u7528<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300aRedis\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u4e4bGeospatial\u600e\u4e48\u5e94\u7528\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728golang\u5b66\u4e60\u7f51\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u6982\u8ff0\u7b80\u4ecb<\/strong><\/h3>\n

Redis Geospatial \u662f Redis 3.2 \u7248\u672c\u65b0\u589e\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u5e76\u5bf9\u5b58\u50a8\u7684\u4fe1\u606f\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u6211\u4eec\u8d8a\u6765\u8d8a\u4f9d\u8d56\u641c\u7d22 \u201c\u9644\u8fd1\u7684\u9910\u9986\u201d\u3001\u5728\u6253\u8f66\u8f6f\u4ef6\u4e0a\u53eb\u8f66\uff0c\u8fd9\u4e9b\u90fd\u79bb\u4e0d\u5f00\u57fa\u4e8e\u4f4d\u7f6e\u4fe1\u606f\u670d\u52a1\uff08Location-Based Service\uff0cLBS\uff09\u7684\u5e94\u7528\u3002LBS \u5e94\u7528\u8bbf\u95ee\u7684\u6570\u636e\u662f\u548c\u4eba\u6216\u7269\u5173\u8054\u7684\u4e00\u7ec4\u7ecf\u7eac\u5ea6\u4fe1\u606f\uff0c\u800c\u4e14\u8981\u80fd\u67e5\u8be2\u76f8\u90bb\u7684\u7ecf\u7eac\u5ea6\u8303\u56f4\uff0cGEO \u5c31\u975e\u5e38\u9002\u5408\u5e94\u7528\u5728 LBS \u670d\u52a1\u7684\u573a\u666f\u4e2d\u3002<\/p>\n

\u5185\u90e8\u5b9e\u73b0<\/h3>\n

GEO \u672c\u8eab\u5e76\u6ca1\u6709\u8bbe\u8ba1\u65b0\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\uff0c\u800c\u662f\u76f4\u63a5\u4f7f\u7528\u4e86 Sorted Set \u96c6\u5408\u7c7b\u578b\u3002<\/p>\n

GEO \u7c7b\u578b\u4f7f\u7528 GeoHash \u7f16\u7801\u65b9\u6cd5\u5b9e\u73b0\u4e86\u7ecf\u7eac\u5ea6\u5230 Sorted Set \u4e2d\u5143\u7d20\u6743\u91cd\u5206\u6570\u7684\u8f6c\u6362\uff0c\u8fd9\u5176\u4e2d\u7684\u4e24\u4e2a\u5173\u952e\u673a\u5236\u5c31\u662f\u300c\u5bf9\u4e8c\u7ef4\u5730\u56fe\u505a\u533a\u95f4\u5212\u5206\u300d\u548c\u300c\u5bf9\u533a\u95f4\u8fdb\u884c\u7f16\u7801\u300d\u3002\u4e00\u7ec4\u7ecf\u7eac\u5ea6\u843d\u5728\u67d0\u4e2a\u533a\u95f4\u540e\uff0c\u5c31\u7528\u533a\u95f4\u7684\u7f16\u7801\u503c\u6765\u8868\u793a\uff0c\u5e76\u628a\u7f16\u7801\u503c\u4f5c\u4e3a Sorted Set \u5143\u7d20\u7684\u6743\u91cd\u5206\u6570\u3002<\/p>\n

\u8fd9\u6837\u4e00\u6765\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u7ecf\u7eac\u5ea6\u4fdd\u5b58\u5230 Sorted Set \u4e2d\uff0c\u5229\u7528 Sorted Set \u63d0\u4f9b\u7684\u201c\u6309\u6743\u91cd\u8fdb\u884c\u6709\u5e8f\u8303\u56f4\u67e5\u627e\u201d\u7684\u7279\u6027\uff0c\u5b9e\u73b0 LBS \u670d\u52a1\u4e2d\u9891\u7e41\u4f7f\u7528\u7684\u201c\u641c\u7d22\u9644\u8fd1\u201d\u7684\u9700\u6c42\u3002<\/p>\n

\u5e38\u7528\u547d\u4ee4<\/strong><\/h3>\n
# \u5b58\u50a8\u6307\u5b9a\u7684\u5730\u7406\u7a7a\u95f4\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u7ecf\u5ea6(longitude)\u3001\u7eac\u5ea6(latitude)\u3001\u4f4d\u7f6e\u540d\u79f0(member)\u6dfb\u52a0\u5230\u6307\u5b9a\u7684 key \u4e2d\u3002\nGEOADD key longitude latitude member [longitude latitude member ...]\n# \u4ece\u7ed9\u5b9a\u7684 key \u91cc\u8fd4\u56de\u6240\u6709\u6307\u5b9a\u540d\u79f0(member)\u7684\u4f4d\u7f6e\uff08\u7ecf\u5ea6\u548c\u7eac\u5ea6\uff09\uff0c\u4e0d\u5b58\u5728\u7684\u8fd4\u56de nil\u3002\nGEOPOS key member [member ...]\n# \u8fd4\u56de\u4e24\u4e2a\u7ed9\u5b9a\u4f4d\u7f6e\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\nGEODIST key member1 member2 [m|km|ft|mi]\n# \u6839\u636e\u7528\u6237\u7ed9\u5b9a\u7684\u7ecf\u7eac\u5ea6\u5750\u6807\u6765\u83b7\u53d6\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5730\u7406\u4f4d\u7f6e\u96c6\u5408\u3002\nGEORADIUS key longitude latitude radius m|km|ft|mi [WITHCOORD] [WITHDIST] [WITHHASH] [COUNT count] [ASC|DESC] [STORE key] [STOREDIST key]<\/pre>\n
\u5e94\u7528\u573a\u666f<\/h3>\n
\u6ef4\u6ef4\u53eb\u8f66<\/strong><\/p>\n
\u8fd9\u91cc\u4ee5\u6ef4\u6ef4\u53eb\u8f66\u7684\u573a\u666f\u4e3a\u4f8b\uff0c\u4ecb\u7ecd\u4e0b\u5177\u4f53\u5982\u4f55\u4f7f\u7528 GEO \u547d\u4ee4\uff1aGEOADD \u548c GEORADIUS \u8fd9\u4e24\u4e2a\u547d\u4ee4\u3002<\/p>\n
\u5047\u8bbe\u8f66\u8f86 ID \u662f 33\uff0c\u7ecf\u7eac\u5ea6\u4f4d\u7f6e\u662f\uff08116.034579\uff0c39.030452\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a GEO \u96c6\u5408\u4fdd\u5b58\u6240\u6709\u8f66\u8f86\u7684\u7ecf\u7eac\u5ea6\uff0c\u96c6\u5408 key \u662f cars:locations\u3002<\/p>\n
\u6267\u884c\u4e0b\u9762\u7684\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u628a ID \u53f7\u4e3a 33 \u7684\u8f66\u8f86\u7684\u5f53\u524d\u7ecf\u7eac\u5ea6\u4f4d\u7f6e\u5b58\u5165 GEO \u96c6\u5408\u4e2d\uff1a<\/p>\n
GEOADD cars:locations 116.034579 39.030452 33<\/pre>\n
\u5f53\u7528\u6237\u60f3\u8981\u5bfb\u627e\u81ea\u5df1\u9644\u8fd1\u7684\u7f51\u7ea6\u8f66\u65f6\uff0cLBS \u5e94\u7528\u5c31\u53ef\u4ee5\u4f7f\u7528 GEORADIUS \u547d\u4ee4\u3002<\/p>\n
\u4f8b\u5982\uff0cLBS \u5e94\u7528\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u65f6\uff0cRedis \u4f1a\u6839\u636e\u8f93\u5165\u7684\u7528\u6237\u7684\u7ecf\u7eac\u5ea6\u4fe1\u606f\uff08116.054579\uff0c39.030452 \uff09\uff0c\u67e5\u627e\u4ee5\u8fd9\u4e2a\u7ecf\u7eac\u5ea6\u4e3a\u4e2d\u5fc3\u7684 5 \u516c\u91cc\u5185\u7684\u8f66\u8f86\u4fe1\u606f\uff0c\u5e76\u8fd4\u56de\u7ed9 LBS \u5e94\u7528\u3002<\/p>\n
GEORADIUS cars:locations 116.054579 39.030452 5 km ASC COUNT 10<\/pre>\n","protected":false},"excerpt":{"rendered":"
Redis\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u4e4bGeos...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202168","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202168","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=202168"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202168\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}