{"id":202215,"date":"2025-05-10T14:36:39","date_gmt":"2025-05-10T06:36:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202215\/"},"modified":"2025-05-10T14:36:39","modified_gmt":"2025-05-10T06:36:39","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8cc%e5%ae%9e%e7%8e%b0%e6%b6%88%e6%81%af%e8%ae%a2%e9%98%85%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202215\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd<\/h1>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300a\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd<\/p>\n

\u6d88\u606f\u8ba2\u9605\u662f\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u901a\u4fe1\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u6d88\u606f\u63a8\u9001\u548c\u6570\u636e\u66f4\u65b0\u901a\u77e5\u3002Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u652f\u6301\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548cAPI\uff0c\u4f7f\u5f97\u5728C++\u4e2d\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u53d8\u5f97\u7b80\u5355\u548c\u9ad8\u6548\u3002\u672c\u6587\u5c06\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u9996\u5148\uff0c\u4f60\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5728\u7cfb\u7edf\u4e2d\u5b89\u88c5\u4e86Redis\u548cC++\u7684\u5f00\u53d1\u73af\u5883\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u6765\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\uff1a<\/p>\n

\u6b65\u9aa41\uff1a\u8fde\u63a5Redis\u670d\u52a1\u5668<\/p>\n

\u5728C++\u4e2d\u4f7f\u7528Redis\u7684API\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u4e0eRedis\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528hiredis\u5e93\u6765\u7b80\u5316\u8fde\u63a5\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u8fde\u63a5Redis\u670d\u52a1\u5668\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

#include <hiredis\/hiredis.h>\n\nint main() {\n    redisContext *redis = redisConnect(\"127.0.0.1\", 6379);\n    if (redis == NULL || redis->err) {\n        if (redis) {\n            printf(\"Error: %s\n\", redis->errstr);\n            redisFree(redis);\n        } else {\n            printf(\"Error: Can't allocate redis context\n\");\n        }\n        return -1;\n    }\n    printf(\"Connected to Redis server\n\");\n\n    \/\/ \u8fd9\u91cc\u53ef\u4ee5\u8fdb\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u5982\u53d1\u5e03\u6d88\u606f\u3001\u8ba2\u9605\u9891\u9053\u7b49\n\n    redisFree(redis); \/\/ \u65ad\u5f00\u4e0eRedis\u670d\u52a1\u5668\u7684\u8fde\u63a5\n    return 0;\n}<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528redisConnect<\/code>\u51fd\u6570\u8fde\u63a5\u5230Redis\u670d\u52a1\u5668\uff0c\u6307\u5b9a\u4e86\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002\u7136\u540e\uff0c\u6211\u4eec\u68c0\u67e5\u8fde\u63a5\u662f\u5426\u6210\u529f\uff0c\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u5219\u6253\u5370\u9519\u8bef\u4fe1\u606f\u5e76\u9000\u51fa\u7a0b\u5e8f\u3002\u6700\u540e\uff0c\u901a\u8fc7redisFree<\/code>\u51fd\u6570\u65ad\u5f00\u4e0eRedis\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002<\/p>\n
\u6b65\u9aa42\uff1a\u53d1\u5e03\u6d88\u606f<\/p>\n
\u5728Redis\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528PUBLISH<\/code>\u547d\u4ee4\u5411\u6307\u5b9a\u9891\u9053\u53d1\u5e03\u6d88\u606f\u3002\u4ee5\u4e0b\u662f\u5728C++\u4e2d\u53d1\u5e03\u6d88\u606f\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
#include <hiredis\/hiredis.h>\n\nint main() {\n    redisContext *redis = redisConnect(\"127.0.0.1\", 6379);\n    if (redis == NULL || redis->err) {\n        \/\/ \u8fde\u63a5\u5931\u8d25\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801...\n    }\n\n    \/\/ \u53d1\u5e03\u6d88\u606f\n    redisReply *reply = (redisReply *)redisCommand(redis, \"PUBLISH channel_name message\");\n    if (reply == NULL) {\n        \/\/ \u53d1\u5e03\u6d88\u606f\u5931\u8d25\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801...\n    }\n    freeReplyObject(reply);\n\n    redisFree(redis);\n    return 0;\n}<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528redisCommand<\/code>\u51fd\u6570\u6267\u884cPUBLISH<\/code>\u547d\u4ee4\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5728redisReply<\/code>\u7ed3\u6784\u4f53\u4e2d\u3002\u4f7f\u7528PUBLISH<\/code>\u547d\u4ee4\u9700\u8981\u6307\u5b9a\u9891\u9053\u540d\u79f0\u548c\u8981\u53d1\u5e03\u7684\u6d88\u606f\u5185\u5bb9\u3002\u5982\u679c\u53d1\u5e03\u6d88\u606f\u6210\u529f\uff0c\u5c06\u8fd4\u56de\u4e00\u4e2aInteger<\/code>\u7c7b\u578b\u7684reply\uff0c\u8868\u793a\u6709\u591a\u5c11\u4e2a\u8ba2\u9605\u8005\u63a5\u6536\u5230\u4e86\u6d88\u606f\u3002\u6700\u540e\uff0c\u901a\u8fc7freeReplyObject<\/code>\u51fd\u6570\u91ca\u653ereply\u5bf9\u8c61\u7684\u5185\u5b58\u3002<\/p>\n
\u6b65\u9aa43\uff1a\u8ba2\u9605\u9891\u9053<\/p>\n
\u5728Redis\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528SUBSCRIBE<\/code>\u547d\u4ee4\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2a\u9891\u9053\uff0c\u4ee5\u63a5\u6536\u5b9e\u65f6\u7684\u6d88\u606f\u63a8\u9001\u3002\u4ee5\u4e0b\u662f\u5728C++\u4e2d\u8ba2\u9605\u9891\u9053\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
#include <hiredis\/hiredis.h>\n\nint main() {\n    redisContext *redis = redisConnect(\"127.0.0.1\", 6379);\n    if (redis == NULL || redis->err) {\n        \/\/ \u8fde\u63a5\u5931\u8d25\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801...\n    }\n\n    \/\/ \u8ba2\u9605\u9891\u9053\n    redisReply *reply = (redisReply *)redisCommand(redis, \"SUBSCRIBE channel_name\");\n    if (reply == NULL) {\n        \/\/ \u8ba2\u9605\u9891\u9053\u5931\u8d25\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801...\n    }\n    freeReplyObject(reply);\n\n    while (1) {\n        \/\/ \u63a5\u6536\u5e76\u5904\u7406\u6d88\u606f\n        if (redisGetReply(redis, (void **)&reply) != REDIS_OK) {\n            \/\/ \u83b7\u53d6\u6d88\u606f\u5931\u8d25\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801...\n        }\n\n        \/\/ \u5904\u7406\u8ba2\u9605\u7684\u6d88\u606f\n        if (reply->type == REDIS_REPLY_ARRAY && reply->elements == 3) {\n            \/\/ \u5224\u65ad\u662f\u5426\u662f\u8ba2\u9605\u7684\u6d88\u606f\n            if (strcasecmp(reply->element[0]->str, \"message\") == 0) {\n                printf(\"Received message: %s\n\", reply->element[2]->str);\n            }\n        }\n\n        freeReplyObject(reply);\n    }\n\n    redisFree(redis);\n    return 0;\n}<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528redisCommand<\/code>\u51fd\u6570\u6267\u884cSUBSCRIBE<\/code>\u547d\u4ee4\uff0c\u4ee5\u4fbf\u8ba2\u9605\u6307\u5b9a\u7684\u9891\u9053\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528redisGetReply<\/code>\u51fd\u6570\u5728\u5faa\u73af\u4e2d\u63a5\u6536\u6d88\u606f\uff0c\u5e76\u5904\u7406\u6d88\u606f\u3002\u5728\u5904\u7406\u6d88\u606f\u65f6\uff0c\u6211\u4eec\u9996\u5148\u5224\u65ad\u662f\u5426\u662f\u8ba2\u9605\u7684\u6d88\u606f\uff0c\u7136\u540e\u6253\u5370\u63a5\u6536\u5230\u7684\u6d88\u606f\u5185\u5bb9\u3002<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u975e\u5e38\u7b80\u5355\u3002\u901a\u8fc7\u8fde\u63a5Redis\u670d\u52a1\u5668\u3001\u53d1\u5e03\u6d88\u606f\u548c\u8ba2\u9605\u9891\u9053\uff0c\u4f60\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u6d88\u606f\u63a8\u9001\u548c\u6570\u636e\u66f4\u65b0\u901a\u77e5\u3002\u4ece\u672c\u6587\u63d0\u4f9b\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4e86\u89e3\u5230\u5982\u4f55\u4f7f\u7528hiredis\u5e93\u6765\u7b80\u5316\u8fde\u63a5\u3001\u53d1\u5e03\u548c\u8ba2\u9605\u64cd\u4f5c\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u5229\u7528Redis\u548cHaskell\u5f00\u53d1\u9650\u6d41\u5668\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88...<\/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-202215","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202215","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=202215"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202215\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}