{"id":202189,"date":"2025-05-10T08:23:01","date_gmt":"2025-05-10T00:23:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202189\/"},"modified":"2025-05-10T08:23:01","modified_gmt":"2025-05-10T00:23:01","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8cobjective-c%e5%bc%80%e5%8f%91%e5%ae%9e%e6%97%b6%e5%9c%b0%e7%90%86%e4%bd%8d%e7%bd%ae%e8%b7%9f%e8%b8%aa%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202189\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cObjective-C\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u4f7f\u7528Redis\u548cObjective-C\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cObjective-C\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6570\u636e\u5e93<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cObjective-C\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd<\/p>\n

\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u5df2\u6210\u4e3a\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u4f8b\u5982\u5b9e\u65f6\u4f4d\u7f6e\u5171\u4eab\u3001\u6253\u8f66\u5e94\u7528\u548c\u793e\u4ea4\u5a92\u4f53\u7b49\u3002\u5728\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u9762\u4e34\u8bb8\u591a\u6311\u6218\uff0c\u4f8b\u5982\u6570\u636e\u5b58\u50a8\u3001\u5b9a\u4f4d\u670d\u52a1\u548c\u6570\u636e\u540c\u6b65\u7b49\u95ee\u9898\u3002Redis\u548cObjective-C\u662f\u4e24\u4e2a\u975e\u5e38\u6d41\u884c\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u89e3\u51b3\u8fd9\u4e9b\u6311\u6218\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cObjective-C\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u4e86\u89e3Redis<\/h2>\n

Redis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u53ef\u7528\u4e8e\u5b58\u50a8\u548c\u68c0\u7d22\u6570\u636e\u3002\u5b83\u5177\u6709\u5feb\u901f\u3001\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u7684\u5f00\u53d1\u3002Redis\u63d0\u4f9b\u4e86\u4e00\u79cd\u53eb\u505a”Geohash”\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n

2. \u521b\u5efaRedis\u5ba2\u6237\u7aef<\/h2>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728Objective-C\u4e2d\u521b\u5efa\u4e00\u4e2aRedis\u5ba2\u6237\u7aef\uff0c\u7528\u4e8e\u4e0eRedis\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002\u53ef\u4ee5\u4f7f\u7528[CocoaPods](https:\/\/cocoapods.org)\u8fdb\u884c\u5b89\u88c5\u548c\u7ba1\u7406\u4f9d\u8d56\u3002<\/p>\n

#import <Foundation\/Foundation.h>\n#import <Redis\/Redis.h>\n\n\/\/ \u521b\u5efaRedis\u5ba2\u6237\u7aef\nRedisClient *redisClient = [[RedisClient alloc] initWithHost:@\"localhost\" port:6379];<\/pre>\n
3. \u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f<\/h2>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5c06\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u5b58\u50a8\u5230Redis\u4e2d\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684GEOADD<\/code>\u547d\u4ee4\u5c06\u7ecf\u7eac\u5ea6\u548c\u7528\u6237ID\u5173\u8054\u8d77\u6765\u3002<\/p>\n
\/\/ \u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\nNSString *userId = @\"user123\";\ndouble latitude = 37.7749;\ndouble longitude = -122.4194;\n[redisClient geoAddKey:@\"locations\" memberId:userId latitude:latitude longitude:longitude];<\/pre>\n
4. \u83b7\u53d6\u9644\u8fd1\u7684\u7528\u6237<\/h2>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684GEORADIUS<\/code>\u547d\u4ee4\u6765\u83b7\u53d6\u9644\u8fd1\u7684\u7528\u6237\u3002GEORADIUS<\/code>\u547d\u4ee4\u6839\u636e\u7ed9\u5b9a\u7684\u7ecf\u7eac\u5ea6\u548c\u534a\u5f84\uff0c\u8fd4\u56de\u5728\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n
\/\/ \u83b7\u53d6\u9644\u8fd1\u7684\u7528\u6237\ndouble centerLatitude = 37.7749;\ndouble centerLongitude = -122.4194;\ndouble radius = 1000; \/\/ \u5355\u4f4d\u4e3a\u7c73\nNSArray *members = [redisClient geoRadiusKey:@\"locations\" longitude:centerLongitude latitude:centerLatitude radius:radius unit:GeoRadiusUnitM withCoordinates:YES];\nfor (NSDictionary *member in members) {\n    NSString *userId = [member objectForKey:@\"member\"];\n    NSDictionary *location = [member objectForKey:@\"location\"];\n    double latitude = [[location objectForKey:@\"latitude\"] doubleValue];\n    double longitude = [[location objectForKey:@\"longitude\"] doubleValue];\n    \/\/ \u5904\u7406\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\n}<\/pre>\n
5. \u5b9e\u65f6\u66f4\u65b0\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f<\/h2>\n
\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u70b9\u662f\u5b9e\u65f6\u66f4\u65b0\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684GEOPOS<\/code>\u547d\u4ee4\u6765\u83b7\u53d6\u7528\u6237\u6700\u65b0\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n
\/\/ \u5b9e\u65f6\u66f4\u65b0\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\nNSString *userId = @\"user123\";\nNSArray *locations = [redisClient geoPositionKey:@\"locations\" members:@[userId]];\nif (locations.count > 0) {\n    NSDictionary *location = [locations firstObject];\n    double latitude = [[location objectForKey:@\"latitude\"] doubleValue];\n    double longitude = [[location objectForKey:@\"longitude\"] doubleValue];\n    \/\/ \u66f4\u65b0\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\n}<\/pre>\n
6. \u5b9e\u73b0\u5730\u7406\u4f4d\u7f6e\u540c\u6b65<\/h2>\n
\u5728\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u4e2d\uff0c\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u9700\u8981\u4e0e\u5176\u4ed6\u7528\u6237\u5b9e\u65f6\u540c\u6b65\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u6765\u5b9e\u73b0\u5730\u7406\u4f4d\u7f6e\u540c\u6b65\u3002<\/p>\n
\/\/ \u521b\u5efaRedis\u8ba2\u9605\u5ba2\u6237\u7aef\nRedisSubscriber *subscriber = [[RedisSubscriber alloc] init];\n[subscriber subscribeToChannel:@\"geolocation\" messageHandler:^(NSString *channel, NSString *message) {\n    \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\n}];\n\n\/\/ \u521b\u5efaRedis\u53d1\u5e03\u5ba2\u6237\u7aef\nRedisPublisher *publisher = [[RedisPublisher alloc] init];\n[publisher publishMessage:@\"{ \"userId\": \"user123\", \"latitude\": 37.7749, \"longitude\": -122.4194 }\" toChannel:@\"geolocation\"];<\/pre>\n
\u901a\u8fc7\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u7684\u540c\u6b65\uff0c\u4ece\u800c\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u3002<\/p>\n
\u901a\u8fc7\u4f7f\u7528Redis\u548cObjective-C\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u521b\u5efaRedis\u5ba2\u6237\u7aef\u3001\u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3001\u83b7\u53d6\u9644\u8fd1\u7684\u7528\u6237\u3001\u5b9e\u65f6\u66f4\u65b0\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u4ee5\u53ca\u5b9e\u73b0\u5730\u7406\u4f4d\u7f6e\u540c\u6b65\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8e\u9700\u8981\u5f00\u53d1\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u7684\u5f00\u53d1\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u4f7f\u7528Redis\u548cSwift\u5f00\u53d1\u5b9e\u65f6\u804a\u5929\u529f\u80fd\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u5229\u7528MySQL\u548cPython\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u5728\u7ebf\u6295\u8d44\u7ba1\u7406\u7cfb\u7edf\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4f7f\u7528Redis\u548cObject...<\/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-202189","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202189","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=202189"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202189\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}