{"id":201116,"date":"2025-05-10T10:29:58","date_gmt":"2025-05-10T02:29:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201116\/"},"modified":"2025-05-10T10:29:58","modified_gmt":"2025-05-10T02:29:58","slug":"redis-%e7%9a%84-geohash%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201116\/","title":{"rendered":"Redis \u7684 GeoHash\u8be6\u89e3"},"content":{"rendered":"

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

Redis \u7684 GeoHash\u8be6\u89e3<\/h1>\n

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

\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aRedis \u7684 GeoHash\u8be6\u89e3\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0bRedisGeoHash\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

Redis \u5728 3.2 \u7248\u672c\u4ee5\u540e\u589e\u52a0\u4e86\u5730\u7406\u4f4d\u7f6e GEO \u6a21\u5757\uff0c\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 Redis \u6765\u5b9e\u73b0\u6469\u62dc\u5355\u8f66\u300c\u9644\u8fd1\u7684 Mobike\u300d\u3001\u7f8e\u56e2\u548c\u997f\u4e86\u4e48\u300c\u9644\u8fd1\u7684\u9910\u9986\u300d\u8fd9\u6837\u7684\u529f\u80fd\u4e86\u3002<\/p>\n

\u7528\u6570\u636e\u5e93\u6765\u7b97\u9644\u8fd1\u7684\u4eba <\/strong><\/p>\n

\u5730\u56fe\u5143\u7d20\u7684\u4f4d\u7f6e\u6570\u636e\u4f7f\u7528\u4e8c\u7ef4\u7684\u7ecf\u7eac\u5ea6\u8868\u793a\uff0c\u7ecf\u5ea6\u8303\u56f4 (-180, 180]\uff0c\u7eac\u5ea6\u8303\u56f4 (-90, 90]\uff0c\u7eac\u5ea6\u6b63\u8d1f\u4ee5\u8d64\u9053\u4e3a\u754c\uff0c\u5317\u6b63\u5357\u8d1f\uff0c\u7ecf\u5ea6\u6b63\u8d1f\u4ee5\u672c\u521d\u5b50\u5348\u7ebf (\u82f1\u56fd\u683c\u6797\u5c3c\u6cbb\u5929\u6587\u53f0) \u4e3a\u754c\uff0c\u4e1c\u6b63\u897f\u8d1f\u3002\u6bd4\u5982\u6398\u91d1\u529e\u516c\u5ba4\u5728\u671b\u4eac SOHO\uff0c\u5b83\u7684\u7ecf\u7eac\u5ea6\u5750\u6807\u662f (116.48105,39.996794)\uff0c\u90fd\u662f\u6b63\u6570\uff0c\u56e0\u4e3a\u4e2d\u56fd\u4f4d\u4e8e\u4e1c\u5317\u534a\u7403\u3002<\/p>\n

\u5f53\u4e24\u4e2a\u5143\u7d20\u7684\u8ddd\u79bb\u4e0d\u662f\u5f88\u8fdc\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u52fe\u80a1\u5b9a\u7406\u5c31\u80fd\u7b97\u5f97\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u6211\u4eec\u5e73\u65f6\u4f7f\u7528\u7684\u300c\u9644\u8fd1\u7684\u4eba\u300d\u7684\u529f\u80fd\uff0c\u5143\u7d20\u8ddd\u79bb\u90fd\u4e0d\u662f\u5f88\u5927\uff0c\u52fe\u80a1\u5b9a\u7406\u7b97\u8ddd\u79bb\u8db3\u77e3\u3002\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7ecf\u7eac\u5ea6\u5750\u6807\u7684\u5bc6\u5ea6\u4e0d\u4e00\u6837 (\u7ecf\u5ea6\u603b\u5171 360 \u5ea6\uff0c\u7eac\u5ea6\u603b\u5171 180 \u5ea6)\uff0c\u52fe\u80a1\u5b9a\u5f8b\u8ba1\u7b97\u5e73\u65b9\u5dee\u65f6\u4e4b\u540e\u518d\u6c42\u548c\u65f6\uff0c\u9700\u8981\u6309\u4e00\u5b9a\u7684\u7cfb\u6570\u6bd4\u52a0\u6743\u6c42\u548c\u3002<\/p>\n

\u73b0\u5728\uff0c\u5982\u679c\u8981\u8ba1\u7b97\u300c\u9644\u8fd1\u7684\u4eba\u300d\uff0c\u4e5f\u5c31\u662f\u7ed9\u5b9a\u4e00\u4e2a\u5143\u7d20\u7684\u5750\u6807\uff0c\u7136\u540e\u8ba1\u7b97\u8fd9\u4e2a\u5750\u6807\u9644\u8fd1\u7684\u5176\u5b83\u5143\u7d20\uff0c\u6309\u7167\u8ddd\u79bb\u8fdb\u884c\u6392\u5e8f\uff0c\u8be5\u5982\u4f55\u4e0b\u624b\uff1f<\/p>\n

<\/p>\n

\u5982\u679c\u73b0\u5728\u5143\u7d20\u7684\u7ecf\u7eac\u5ea6\u5750\u6807\u4f7f\u7528\u5173\u7cfb\u6570\u636e\u5e93 (\u5143\u7d20 id, \u7ecf\u5ea6 x, \u7eac\u5ea6 y) \u5b58\u50a8\uff0c\u4f60\u8be5\u5982\u4f55\u8ba1\u7b97\uff1f<\/p>\n

\u9996\u5148\uff0c\u4f60\u4e0d\u53ef\u80fd\u901a\u8fc7\u904d\u5386\u6765\u8ba1\u7b97\u6240\u6709\u7684\u5143\u7d20\u548c\u76ee\u6807\u5143\u7d20\u7684\u8ddd\u79bb\u7136\u540e\u518d\u8fdb\u884c\u6392\u5e8f\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u91cf\u592a\u5927\u4e86\uff0c\u6027\u80fd\u6307\u6807\u80af\u5b9a\u65e0\u6cd5\u6ee1\u8db3\u3002\u4e00\u822c\u7684\u65b9\u6cd5\u90fd\u662f\u901a\u8fc7\u77e9\u5f62\u533a\u57df\u6765\u9650\u5b9a\u5143\u7d20\u7684\u6570\u91cf\uff0c\u7136\u540e\u5bf9\u533a\u57df\u5185\u7684\u5143\u7d20\u8fdb\u884c\u5168\u91cf\u8ddd\u79bb\u8ba1\u7b97\u518d\u6392\u5e8f\u3002\u8fd9\u6837\u53ef\u4ee5\u660e\u663e\u51cf\u5c11\u8ba1\u7b97\u91cf\u3002\u5982\u4f55\u5212\u5206\u77e9\u5f62\u533a\u57df\u5462\uff1f\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a\u534a\u5f84 r\uff0c\u4f7f\u7528\u4e00\u6761 SQL \u5c31\u53ef\u4ee5\u5708\u51fa\u6765\u3002\u5f53\u7528\u6237\u5bf9\u7b5b\u51fa\u6765\u7684\u7ed3\u679c\u4e0d\u6ee1\u610f\uff0c\u90a3\u5c31\u6269\u5927\u534a\u5f84\u7ee7\u7eed\u7b5b\u9009\u3002<\/p>\n

\nselect id from positions where x0-r \n\n
\u4e3a\u4e86\u6ee1\u8db3\u9ad8\u6027\u80fd\u7684\u77e9\u5f62\u533a\u57df\u7b97\u6cd5\uff0c\u6570\u636e\u8868\u9700\u8981\u5728\u7ecf\u7eac\u5ea6\u5750\u6807\u52a0\u4e0a\u53cc\u5411\u590d\u5408\u7d22\u5f15 (x, y)\uff0c\u8fd9\u6837\u53ef\u4ee5\u6700\u5927\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n
\u4f46\u662f\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u6bd5\u7adf\u6709\u9650\uff0c\u5982\u679c\u300c\u9644\u8fd1\u7684\u4eba\u300d\u67e5\u8be2\u8bf7\u6c42\u975e\u5e38\u591a\uff0c\u5728\u9ad8\u5e76\u53d1\u573a\u5408\uff0c\u8fd9\u53ef\u80fd\u5e76\u4e0d\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u65b9\u6848\u3002<\/p>\n
GeoHash \u7b97\u6cd5 <\/strong><\/p>\n
\u4e1a\u754c\u6bd4\u8f83\u901a\u7528\u7684\u5730\u7406\u4f4d\u7f6e\u8ddd\u79bb\u6392\u5e8f\u7b97\u6cd5\u662f GeoHash \u7b97\u6cd5\uff0cRedis \u4e5f\u4f7f\u7528 GeoHash \u7b97\u6cd5\u3002GeoHash \u7b97\u6cd5\u5c06\u4e8c\u7ef4\u7684\u7ecf\u7eac\u5ea6\u6570\u636e\u6620\u5c04\u5230\u4e00\u7ef4\u7684\u6574\u6570\uff0c\u8fd9\u6837\u6240\u6709\u7684\u5143\u7d20\u90fd\u5c06\u5728\u6302\u8f7d\u5230\u4e00\u6761\u7ebf\u4e0a\uff0c\u8ddd\u79bb\u9760\u8fd1\u7684\u4e8c\u7ef4\u5750\u6807\u6620\u5c04\u5230\u4e00\u7ef4\u540e\u7684\u70b9\u4e4b\u95f4\u8ddd\u79bb\u4e5f\u4f1a\u5f88\u63a5\u8fd1\u3002\u5f53\u6211\u4eec\u60f3\u8981\u8ba1\u7b97\u300c\u9644\u8fd1\u7684\u4eba\u65f6\u300d\uff0c\u9996\u5148\u5c06\u76ee\u6807\u4f4d\u7f6e\u6620\u5c04\u5230\u8fd9\u6761\u7ebf\u4e0a\uff0c\u7136\u540e\u5728\u8fd9\u4e2a\u4e00\u7ef4\u7684\u7ebf\u4e0a\u83b7\u53d6\u9644\u8fd1\u7684\u70b9\u5c31\u884c\u4e86\u3002<\/p>\n
\u90a3\u8fd9\u4e2a\u6620\u5c04\u7b97\u6cd5\u5177\u4f53\u662f\u600e\u6837\u7684\u5462\uff1f\u5b83\u5c06\u6574\u4e2a\u5730\u7403\u770b\u6210\u4e00\u4e2a\u4e8c\u7ef4\u5e73\u9762\uff0c\u7136\u540e\u5212\u5206\u6210\u4e86\u4e00\u7cfb\u5217\u6b63\u65b9\u5f62\u7684\u65b9\u683c\uff0c\u5c31\u597d\u6bd4\u56f4\u68cb\u68cb\u76d8\u3002\u6240\u6709\u7684\u5730\u56fe\u5143\u7d20\u5750\u6807\u90fd\u5c06\u653e\u7f6e\u4e8e\u552f\u4e00\u7684\u65b9\u683c\u4e2d\u3002\u65b9\u683c\u8d8a\u5c0f\uff0c\u5750\u6807\u8d8a\u7cbe\u786e\u3002\u7136\u540e\u5bf9\u8fd9\u4e9b\u65b9\u683c\u8fdb\u884c\u6574\u6570\u7f16\u7801\uff0c\u8d8a\u662f\u9760\u8fd1\u7684\u65b9\u683c\u7f16\u7801\u8d8a\u662f\u63a5\u8fd1\u3002\u90a3\u5982\u4f55\u7f16\u7801\u5462\uff1f\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u65b9\u6848\u5c31\u662f\u5207\u86cb\u7cd5\u6cd5\u3002\u8bbe\u60f3\u4e00\u4e2a\u6b63\u65b9\u5f62\u7684\u86cb\u7cd5\u6446\u5728\u4f60\u9762\u524d\uff0c\u4e8c\u5200\u4e0b\u53bb\u5747\u5206\u5206\u6210\u56db\u5757\u5c0f\u6b63\u65b9\u5f62\uff0c\u8fd9\u56db\u4e2a\u5c0f\u6b63\u65b9\u5f62\u53ef\u4ee5\u5206\u522b\u6807\u8bb0\u4e3a 00,01,10,11 \u56db\u4e2a\u4e8c\u8fdb\u5236\u6574\u6570\u3002\u7136\u540e\u5bf9\u6bcf\u4e00\u4e2a\u5c0f\u6b63\u65b9\u5f62\u7ee7\u7eed\u7528\u4e8c\u5200\u6cd5\u5207\u5272\u4e00\u4e0b\uff0c\u8fd9\u65f6\u6bcf\u4e2a\u5c0f\u5c0f\u6b63\u65b9\u5f62\u5c31\u53ef\u4ee5\u4f7f\u7528 4bit \u7684\u4e8c\u8fdb\u5236\u6574\u6570\u4e88\u4ee5\u8868\u793a\u3002\u7136\u540e\u7ee7\u7eed\u5207\u4e0b\u53bb\uff0c\u6b63\u65b9\u5f62\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c0f\uff0c\u4e8c\u8fdb\u5236\u6574\u6570\u4e5f\u4f1a\u8d8a\u6765\u8d8a\u957f\uff0c\u7cbe\u786e\u5ea6\u5c31\u4f1a\u8d8a\u6765\u8d8a\u9ad8\u3002<\/p>\n
\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u4f7f\u7528\u7684\u662f\u4e8c\u5200\u6cd5\uff0c\u771f\u5b9e\u7b97\u6cd5\u4e2d\u8fd8\u4f1a\u6709\u5f88\u591a\u5176\u5b83\u5200\u6cd5\uff0c\u6700\u7ec8\u7f16\u7801\u51fa\u6765\u7684\u6574\u6570\u6570\u5b57\u4e5f\u90fd\u4e0d\u4e00\u6837\u3002<\/p>\n
\u7f16\u7801\u4e4b\u540e\uff0c\u6bcf\u4e2a\u5730\u56fe\u5143\u7d20\u7684\u5750\u6807\u90fd\u5c06\u53d8\u6210\u4e00\u4e2a\u6574\u6570\uff0c\u901a\u8fc7\u8fd9\u4e2a\u6574\u6570\u53ef\u4ee5\u8fd8\u539f\u51fa\u5143\u7d20\u7684\u5750\u6807\uff0c\u6574\u6570\u8d8a\u957f\uff0c\u8fd8\u539f\u51fa\u6765\u7684\u5750\u6807\u503c\u7684\u635f\u5931\u7a0b\u5ea6\u5c31\u8d8a\u5c0f\u3002\u5bf9\u4e8e\u300c\u9644\u8fd1\u7684\u4eba\u300d\u8fd9\u4e2a\u529f\u80fd\u800c\u8a00\uff0c\u635f\u5931\u7684\u4e00\u70b9\u7cbe\u786e\u5ea6\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n
GeoHash \u7b97\u6cd5\u4f1a\u7ee7\u7eed\u5bf9\u8fd9\u4e2a\u6574\u6570\u505a\u4e00\u6b21 base32 \u7f16\u7801 (0-9,a-z \u53bb\u6389 a,i,l,o \u56db\u4e2a\u5b57\u6bcd) \u53d8\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5728 Redis \u91cc\u9762\uff0c\u7ecf\u7eac\u5ea6\u4f7f\u7528 52 \u4f4d\u7684\u6574\u6570\u8fdb\u884c\u7f16\u7801\uff0c\u653e\u8fdb\u4e86 zset \u91cc\u9762\uff0czset \u7684 value \u662f\u5143\u7d20\u7684 key\uff0cscore \u662f GeoHash \u7684 52 \u4f4d\u6574\u6570\u503c\u3002zset \u7684 score \u867d\u7136\u662f\u6d6e\u70b9\u6570\uff0c\u4f46\u662f\u5bf9\u4e8e 52 \u4f4d\u7684\u6574\u6570\u503c\uff0c\u5b83\u53ef\u4ee5\u65e0\u635f\u5b58\u50a8\u3002<\/p>\n
\u5728\u4f7f\u7528 Redis \u8fdb\u884c Geo \u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u8981\u65f6\u523b\u60f3\u5230\u5b83\u7684\u5185\u90e8\u7ed3\u6784\u5b9e\u9645\u4e0a\u53ea\u662f\u4e00\u4e2azset(skiplist)\u3002\u901a\u8fc7 zset \u7684 score \u6392\u5e8f\u5c31\u53ef\u4ee5\u5f97\u5230\u5750\u6807\u9644\u8fd1\u7684\u5176\u5b83\u5143\u7d20 (\u5b9e\u9645\u60c5\u51b5\u8981\u590d\u6742\u4e00\u4e9b\uff0c\u4e0d\u8fc7\u8fd9\u6837\u7406\u89e3\u8db3\u591f\u4e86)\uff0c\u901a\u8fc7\u5c06 score \u8fd8\u539f\u6210\u5750\u6807\u503c\u5c31\u53ef\u4ee5\u5f97\u5230\u5143\u7d20\u7684\u539f\u59cb\u5750\u6807\u3002<\/p>\n
Redis \u7684 Geo \u6307\u4ee4\u57fa\u672c\u4f7f\u7528 <\/strong><\/p>\n
Redis \u63d0\u4f9b\u7684 Geo \u6307\u4ee4\u53ea\u6709 6 \u4e2a\uff0c\u8bfb\u8005\u4eec\u77ac\u95f4\u5c31\u53ef\u4ee5\u638c\u63e1\u3002\u4f7f\u7528\u65f6\uff0c\u8bfb\u8005\u52a1\u5fc5\u518d\u6b21\u60f3\u8d77\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u666e\u901a\u7684 zset \u7ed3\u6784\u3002<\/p>\n
\u589e\u52a0 <\/strong><\/p>\n
geoadd \u6307\u4ee4\u643a\u5e26\u96c6\u5408\u540d\u79f0\u4ee5\u53ca\u591a\u4e2a\u7ecf\u7eac\u5ea6\u540d\u79f0\u4e09\u5143\u7ec4\uff0c\u6ce8\u610f\u8fd9\u91cc\u53ef\u4ee5\u52a0\u5165\u591a\u4e2a\u4e09\u5143\u7ec4<\/p>\n\n
\n127.0.0.1:6379> geoadd company 116.48105 39.996794 juejin\n(integer) 1\n127.0.0.1:6379> geoadd company 116.514203 39.905409 ireader\n(integer) 1\n127.0.0.1:6379> geoadd company 116.489033 40.007669 meituan\n(integer) 1\n127.0.0.1:6379> geoadd company 116.562108 39.787602 jd 116.334255 40.027400 xiaomi\n(integer) 2<\/pre>\n
\u8ddd\u79bb <\/strong><\/p>\n
geodist \u6307\u4ee4\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u643a\u5e26\u96c6\u5408\u540d\u79f0\u30012 \u4e2a\u540d\u79f0\u548c\u8ddd\u79bb\u5355\u4f4d\u3002<\/p>\n
\n127.0.0.1:6379> geodist company juejin ireader km\n\"10.5501\"\n127.0.0.1:6379> geodist company juejin meituan km\n\"1.3878\"\n127.0.0.1:6379> geodist company juejin jd km\n\"24.2739\"\n127.0.0.1:6379> geodist company juejin xiaomi km\n\"12.9606\"\n127.0.0.1:6379> geodist company juejin juejin km\n\"0.0000\"<\/pre>\n
\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6398\u91d1\u79bb\u7f8e\u56e2\u6700\u8fd1\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u5728\u671b\u4eac\u3002\u8ddd\u79bb\u5355\u4f4d\u53ef\u4ee5\u662f m\u3001km\u3001ml\u3001ft\uff0c\u5206\u522b\u4ee3\u8868\u7c73\u3001\u5343\u7c73\u3001\u82f1\u91cc\u548c\u5c3a\u3002<\/p>\n
\u83b7\u53d6\u5143\u7d20\u4f4d\u7f6e <\/strong><\/p>\n
geopos \u6307\u4ee4\u53ef\u4ee5\u83b7\u53d6\u96c6\u5408\u4e2d\u4efb\u610f\u5143\u7d20\u7684\u7ecf\u7eac\u5ea6\u5750\u6807\uff0c\u53ef\u4ee5\u4e00\u6b21\u83b7\u53d6\u591a\u4e2a\u3002<\/p>\n
\n127.0.0.1:6379> geopos company juejin\n1) 1) \"116.48104995489120483\"\n 2) \"39.99679348858259686\"\n127.0.0.1:6379> geopos company ireader\n1) 1) \"116.5142020583152771\"\n 2) \"39.90540918662494363\"\n127.0.0.1:6379> geopos company juejin ireader\n1) 1) \"116.48104995489120483\"\n 2) \"39.99679348858259686\"\n2) 1) \"116.5142020583152771\"\n 2) \"39.90540918662494363\"<\/pre>\n
\u6211\u4eec\u89c2\u5bdf\u5230\u83b7\u53d6\u7684\u7ecf\u7eac\u5ea6\u5750\u6807\u548c geoadd \u8fdb\u53bb\u7684\u5750\u6807\u6709\u8f7b\u5fae\u7684\u8bef\u5dee\uff0c\u539f\u56e0\u662f geohash \u5bf9\u4e8c\u7ef4\u5750\u6807\u8fdb\u884c\u7684\u4e00\u7ef4\u6620\u5c04\u662f\u6709\u635f\u7684\uff0c\u901a\u8fc7\u6620\u5c04\u518d\u8fd8\u539f\u56de\u6765\u7684\u503c\u4f1a\u51fa\u73b0\u8f83\u5c0f\u7684\u5dee\u522b\u3002\u5bf9\u4e8e\u300c\u9644\u8fd1\u7684\u4eba\u300d\u8fd9\u79cd\u529f\u80fd\u6765\u8bf4\uff0c\u8fd9\u70b9\u8bef\u5dee\u6839\u672c\u4e0d\u662f\u4e8b\u3002<\/p>\n
\u83b7\u53d6\u5143\u7d20\u7684 hash \u503c <\/strong><\/p>\n
geohash \u53ef\u4ee5\u83b7\u53d6\u5143\u7d20\u7684\u7ecf\u7eac\u5ea6\u7f16\u7801\u5b57\u7b26\u4e32\uff0c\u4e0a\u9762\u5df2\u7ecf\u63d0\u5230\uff0c\u5b83\u662f base32 \u7f16\u7801\u3002 \u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u7f16\u7801\u503c\u53bb http:\/\/geohash.org\/${hash}\u4e2d\u8fdb\u884c\u76f4\u63a5\u5b9a\u4f4d\uff0c\u5b83\u662f geohash \u7684\u6807\u51c6\u7f16\u7801\u503c\u3002<\/p>\n
\n127.0.0.1:6379> geohash company ireader\n1) \"wx4g52e1ce0\"\n127.0.0.1:6379> geohash company juejin\n1) \"wx4gd94yjn0\"<\/pre>\n
\u8ba9\u6211\u4eec\u6253\u5f00\u5730\u5740 http:\/\/geohash.org\/wx4g52e1ce0\uff0c\u89c2\u5bdf\u5730\u56fe\u6307\u5411\u7684\u4f4d\u7f6e\u662f\u5426\u6b63\u786e\u3002<\/p>\n
<\/p>\n
\u5f88\u597d\uff0c\u5c31\u662f\u8fd9\u4e2a\u4f4d\u7f6e\uff0c\u975e\u5e38\u51c6\u786e\u3002<\/p>\n
\u9644\u8fd1\u7684\u516c\u53f8<\/strong><\/p>\n
georadiusbymember \u6307\u4ee4\u662f\u6700\u4e3a\u5173\u952e\u7684\u6307\u4ee4\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u67e5\u8be2\u6307\u5b9a\u5143\u7d20\u9644\u8fd1\u7684\u5176\u5b83\u5143
\n\u7d20\uff0c\u5b83\u7684\u53c2\u6570\u975e\u5e38\u590d\u6742\u3002<\/p>\n
\n# \u8303\u56f4 20 \u516c\u91cc\u4ee5\u5185\u6700\u591a 3 \u4e2a\u5143\u7d20\u6309\u8ddd\u79bb\u6b63\u6392\uff0c\u5b83\u4e0d\u4f1a\u6392\u9664\u81ea\u8eab\n127.0.0.1:6379> georadiusbymember company ireader 20 km count 3 asc\n1) \"ireader\"\n2) \"juejin\"\n3) \"meituan\"\n# \u8303\u56f4 20 \u516c\u91cc\u4ee5\u5185\u6700\u591a 3 \u4e2a\u5143\u7d20\u6309\u8ddd\u79bb\u5012\u6392\n127.0.0.1:6379> georadiusbymember company ireader 20 km count 3 desc\n1) \"jd\"\n2) \"meituan\"\n3) \"juejin\"\n# \u4e09\u4e2a\u53ef\u9009\u53c2\u6570 withcoord withdist withhash \u7528\u6765\u643a\u5e26\u9644\u52a0\u53c2\u6570\n# withdist \u5f88\u6709\u7528\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u663e\u793a\u8ddd\u79bb\n127.0.0.1:6379> georadiusbymember company ireader 20 km withcoord withdist withhash count 3 asc\n1) 1) \"ireader\"\n 2) \"0.0000\"\n 3) (integer) 4069886008361398\n 4) 1) \"116.5142020583152771\"\n 2) \"39.90540918662494363\"\n2) 1) \"juejin\"\n 2) \"10.5501\"\n 3) (integer) 4069887154388167\n 4) 1) \"116.48104995489120483\"\n 2) \"39.99679348858259686\"\n3) 1) \"meituan\"\n 2) \"11.5748\"\n 3) (integer) 4069887179083478\n 4) 1) \"116.48903220891952515\"\n 2) \"40.00766997707732031\"<\/pre>\n
\u9664\u4e86 georadiusbymember \u6307\u4ee4\u6839\u636e\u5143\u7d20\u67e5\u8be2\u9644\u8fd1\u7684\u5143\u7d20\uff0cRedis \u8fd8\u63d0\u4f9b\u4e86\u6839\u636e\u5750\u6807\u503c\u6765\u67e5\u8be2\u9644\u8fd1\u7684\u5143\u7d20\uff0c\u8fd9\u4e2a\u6307\u4ee4\u66f4\u52a0\u6709\u7528\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u5b9a\u4f4d\u6765\u8ba1\u7b97\u300c\u9644\u8fd1\u7684\u8f66\u300d\uff0c\u300c\u9644\u8fd1\u7684\u9910\u9986\u300d\u7b49\u3002\u5b83\u7684\u53c2\u6570\u548c georadiusbymember \u57fa\u672c\u4e00\u81f4\uff0c\u9664\u4e86\u5c06\u76ee\u6807\u5143\u7d20\u6539\u6210\u7ecf\u7eac\u5ea6\u5750\u6807\u503c\u3002<\/p>\n
\n127.0.0.1:6379> georadius company 116.514202 39.905409 20 km withdist count 3 asc\n1) 1) \"ireader\"\n 2) \"0.0000\"\n2) 1) \"juejin\"\n 2) \"10.5501\"\n3) 1) \"meituan\"\n 2) \"11.5748\"<\/pre>\n
\u5c0f\u7ed3 & \u6ce8\u610f\u4e8b\u9879 <\/strong><\/p>\n
\u5728\u4e00\u4e2a\u5730\u56fe\u5e94\u7528\u4e2d\uff0c\u8f66\u7684\u6570\u636e\u3001\u9910\u9986\u7684\u6570\u636e\u3001\u4eba\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u6709\u767e\u4e07\u5343\u4e07\u6761\uff0c\u5982\u679c\u4f7f\u7528Redis \u7684 Geo \u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4eec\u5c06\u5168\u90e8\u653e\u5728\u4e00\u4e2a zset \u96c6\u5408\u4e2d\u3002\u5728 Redis \u7684\u96c6\u7fa4\u73af\u5883\u4e2d\uff0c\u96c6\u5408\u53ef\u80fd\u4f1a\u4ece\u4e00\u4e2a\u8282\u70b9\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u8282\u70b9\uff0c\u5982\u679c\u5355\u4e2a key \u7684\u6570\u636e\u8fc7\u5927\uff0c\u4f1a\u5bf9\u96c6\u7fa4\u7684\u8fc1\u79fb\u5de5\u4f5c\u9020\u6210\u8f83\u5927\u7684\u5f71\u54cd\uff0c\u5728\u96c6\u7fa4\u73af\u5883\u4e2d\u5355\u4e2a key \u5bf9\u5e94\u7684\u6570\u636e\u91cf\u4e0d\u5b9c\u8d85\u8fc7 1M\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u96c6\u7fa4\u8fc1\u79fb\u51fa\u73b0\u5361\u987f\u73b0\u8c61\uff0c\u5f71\u54cd\u7ebf\u4e0a\u670d\u52a1\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n
\u6240\u4ee5\uff0c\u8fd9\u91cc\u5efa\u8bae Geo \u7684\u6570\u636e\u4f7f\u7528\u5355\u72ec\u7684 Redis \u5b9e\u4f8b\u90e8\u7f72\uff0c\u4e0d\u4f7f\u7528\u96c6\u7fa4\u73af\u5883\u3002<\/p>\n
\u5982\u679c\u6570\u636e\u91cf\u8fc7\u4ebf\u751a\u81f3\u66f4\u5927\uff0c\u5c31\u9700\u8981\u5bf9 Geo \u6570\u636e\u8fdb\u884c\u62c6\u5206\uff0c\u6309\u56fd\u5bb6\u62c6\u5206\u3001\u6309\u7701\u62c6\u5206\uff0c\u6309\u5e02\u62c6\u5206\uff0c\u5728\u4eba\u53e3\u7279\u5927\u57ce\u5e02\u751a\u81f3\u53ef\u4ee5\u6309\u533a\u62c6\u5206\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u5355\u4e2a zset \u96c6\u5408\u7684\u5927\u5c0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis \u7684 GeoHash\u8be6...<\/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-201116","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201116","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=201116"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201116\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}