{"id":202205,"date":"2025-05-10T09:27:39","date_gmt":"2025-05-10T01:27:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202205\/"},"modified":"2025-05-10T09:27:39","modified_gmt":"2025-05-10T01:27:39","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8cc%e5%ae%9e%e7%8e%b0%e5%8f%91%e5%b8%83-%e8%ae%a2%e9%98%85%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202205\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd<\/h1>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230golang\u5b66\u4e60\u7f51\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u5f15\u8a00\uff1a
Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u952e\u503c\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u5ba2\u6237\u7aef\u5e93\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u662f\u5176\u6700\u5e38\u7528\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6d88\u606f\u7684\u53d1\u5e03\u548c\u8ba2\u9605\uff0c\u975e\u5e38\u9002\u7528\u4e8e\u5b9e\u65f6\u901a\u4fe1\u3001\u53d1\u5e03\u7cfb\u7edf\u7b49\u573a\u666f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cC++\u6765\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\uff0c\u5e76\u9644\u5e26\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u6b65\u9aa4\u4e00\uff1a\u5b89\u88c5Redis
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Redis\u670d\u52a1\u5668\u3002\u53ef\u4ee5\u4eceRedis\u5b98\u65b9\u7f51\u7ad9(https:\/\/redis.io\/)\u4e0b\u8f7d\u6700\u65b0\u7684\u7a33\u5b9a\u7248\u672c\uff0c\u5e76\u6309\u7167\u5b98\u65b9\u6587\u6863\u8fdb\u884c\u5b89\u88c5\u548c\u914d\u7f6e\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u786e\u4fddRedis\u670d\u52a1\u5668\u5df2\u7ecf\u5728\u672c\u5730\u8fd0\u884c\uff0c\u5e76\u76d1\u542c\u9ed8\u8ba4\u76846379\u7aef\u53e3\u3002<\/p>\n

\u6b65\u9aa4\u4e8c\uff1a\u8fde\u63a5Redis\u670d\u52a1\u5668
\u73b0\u5728\u6211\u4eec\u5f00\u59cb\u7f16\u5199C++\u4ee3\u7801\uff0c\u9996\u5148\u9700\u8981\u8fde\u63a5Redis\u670d\u52a1\u5668\u3002\u4f7f\u7528hiredis\u5e93\u53ef\u4ee5\u8f7b\u677e\u5730\u5b8c\u6210\u4e0eRedis\u670d\u52a1\u5668\u7684\u901a\u4fe1\u3002hiredis\u662f\u4e00\u4e2a\u7b80\u5355\u3001\u9ad8\u6027\u80fd\u7684C\u5ba2\u6237\u7aef\u5e93\uff0c\u652f\u6301\u963b\u585e\u548c\u975e\u963b\u585e\u5f0f\u64cd\u4f5c\uff0c\u4e0eRedis\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728C++\u9879\u76ee\u4e2d\u5305\u542bhiredis\u5e93\u7684\u5934\u6587\u4ef6\uff0c\u5e76\u94fe\u63a5hiredis\u5e93\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

#include <iostream>\n#include <hiredis\/hiredis.h><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u8fde\u63a5Redis\u670d\u52a1\u5668\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
redisContext* connectToRedis(const char* hostname, int port) {\n    redisContext* conn = redisConnect(hostname, port);\n    if (conn == NULL || conn->err) {\n        if (conn) {\n            std::cout << \"Error: \" << conn->errstr << std::endl;\n        } else {\n            std::cout << \"Unable to allocate redis context.\" << std::endl;\n        }\n        return NULL;\n    }\n    return conn;\n}<\/pre>\n
\u6b65\u9aa4\u4e09\uff1a\u53d1\u5e03\u6d88\u606f
\u5f53\u6211\u4eec\u6210\u529f\u8fde\u63a5\u5230Redis\u670d\u52a1\u5668\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u53d1\u5e03\u6d88\u606f\u3002\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528PUBLISH\u547d\u4ee4\u6765\u53d1\u5e03\u6d88\u606f\u5230\u6307\u5b9a\u7684\u9891\u9053\u3002\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u5b9e\u73b0\u53d1\u5e03\u6d88\u606f\u7684\u529f\u80fd\uff1a<\/p>\n
bool publishMessage(redisContext* conn, const char* channel, const char* message) {\n    redisReply* reply = (redisReply*)redisCommand(conn, \"PUBLISH %s %s\", channel, message);\n    if (reply && reply->type == REDIS_REPLY_INTEGER && reply->integer > 0) {\n        freeReplyObject(reply);\n        return true;\n    }\n    freeReplyObject(reply);\n    return false;\n}<\/pre>\n
\u6b65\u9aa4\u56db\uff1a\u8ba2\u9605\u6d88\u606f
\u6211\u4eec\u8fd8\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u8ba2\u9605\u6d88\u606f\u3002\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SUBSCRIBE\u547d\u4ee4\u6765\u8ba2\u9605\u6307\u5b9a\u7684\u9891\u9053\u3002\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u5b9e\u73b0\u8ba2\u9605\u6d88\u606f\u7684\u529f\u80fd\uff1a<\/p>\n
void subscribeChannel(redisContext* conn, const char* channel) {\n    redisReply* reply = (redisReply*)redisCommand(conn, \"SUBSCRIBE %s\", channel);\n    freeReplyObject(reply);\n    while (redisGetReply(conn, (void**)&reply) == REDIS_OK) {\n        if (reply->type == REDIS_REPLY_ARRAY && reply->elements >= 3 && strcmp(reply->element[0]->str, \"message\") == 0) {\n            std::cout << \"Received message: \" << reply->element[2]->str << std::endl;\n        }\n        freeReplyObject(reply);\n    }\n}<\/pre>\n
\u6b65\u9aa4\u4e94\uff1a\u6d4b\u8bd5\u4ee3\u7801
\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u4ee3\u7801\u6765\u9a8c\u8bc1\u6211\u4eec\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
int main() {\n    \/\/ \u8fde\u63a5Redis\u670d\u52a1\u5668\n    redisContext* conn = connectToRedis(\"localhost\", 6379);\n    if (conn == NULL) {\n        return 1;\n    }\n\n    \/\/ \u53d1\u5e03\u6d88\u606f\n    std::string channel = \"test_channel\";\n    std::string message = \"Hello, Redis!\";\n    if (publishMessage(conn, channel.c_str(), message.c_str())) {\n        std::cout << \"Message published successfully.\" << std::endl;\n    } else {\n        std::cout << \"Failed to publish message.\" << std::endl;\n    }\n\n    \/\/ \u8ba2\u9605\u6d88\u606f\n    subscribeChannel(conn, channel.c_str());\n\n    \/\/ \u5173\u95edRedis\u8fde\u63a5\n    redisFree(conn);\n\n    return 0;\n}<\/pre>\n
\u603b\u7ed3\uff1a
\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u6210\u529f\u5730\u4f7f\u7528Redis\u548cC++\u5b9e\u73b0\u4e86\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u3002\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6d88\u606f\u4f20\u9012\u548c\u5b9e\u65f6\u901a\u4fe1\u3002\u6b64\u5916\uff0chiredis\u5e93\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u7684API\uff0c\u65b9\u4fbf\u6211\u4eec\u4e0eRedis\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u4e86\u89e3\u5982\u4f55\u5229\u7528Redis\u548cC++\u6765\u5b9e\u73b0\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\uff0c\u5e76\u901a\u8fc7\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u5b9e\u8df5\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u4f7f\u7528MySQL\u548cRuby on Rails\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u97f3\u4e50\u63a8\u8350\u529f\u80fd\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u4f7f\u7528MySQL\u548cRuby on Rails\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u95ee\u5377\u8c03\u67e5\u7cfb\u7edf\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u53d1...<\/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-202205","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202205","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=202205"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202205\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}