{"id":59915,"date":"2024-10-13T00:11:18","date_gmt":"2024-10-12T16:11:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59915\/"},"modified":"2024-10-13T00:11:18","modified_gmt":"2024-10-12T16:11:18","slug":"c%e8%aa%9e%e8%a8%80%e9%96%8b%e7%99%bc%e7%9a%84%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e5%b1%a4%e5%af%a6%e7%8f%be-c%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59915\/","title":{"rendered":"C\u8a9e\u8a00\u958b\u767c\u7684\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u5be6\u73fe (c\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64)"},"content":{"rendered":"

C\u8a9e\u8a00\u958b\u767c\u7684\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u5be6\u73fe<\/h1>\n

\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u8a2a\u554f\u5c64\u662f\u61c9\u7528\u7a0b\u5e8f\u67b6\u69cb\u4e2d\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u7684\u5be6\u73fe\u53ef\u4ee5\u4f7f\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u8207\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u5be6\u73fe\u4e00\u500b\u901a\u7528\u7684\u6578\u64da\u5eab\u8a2a\u554f\u5c64\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u7684\u6982\u5ff5<\/h2>\n

\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u662f\u4e00\u7a2e\u62bd\u8c61\u5c64\uff0c\u65e8\u5728\u96b1\u85cf\u6578\u64da\u5eab\u7684\u5177\u9ad4\u5be6\u73fe\u7d30\u7bc0\uff0c\u63d0\u4f9b\u7d71\u4e00\u7684\u63a5\u53e3\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u4e0d\u6539\u8b8a\u4ee3\u78bc\u7684\u60c5\u6cc1\u4e0b\uff0c\u8f15\u9b06\u5730\u5207\u63db\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n

\u8a2d\u8a08\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u7684\u6b65\u9a5f<\/h2>\n

1. \u5b9a\u7fa9\u63a5\u53e3<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u4e00\u7d44\u63a5\u53e3\uff0c\u9019\u4e9b\u63a5\u53e3\u5c07\u7528\u65bc\u57f7\u884c\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5982\u9023\u63a5\u3001\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u63a5\u53e3\u793a\u4f8b\uff1a<\/p>\n

\ntypedef struct Database Database;\n\nstruct Database {\n    int (*connect)(const char *connectionString);\n    int (*executeQuery)(const char *query);\n    int (*insert)(const char *table, const char *data);\n    int (*update)(const char *table, const char *data, const char *condition);\n    int (*delete)(const char *table, const char *condition);\n    void (*disconnect)();\n};\n<\/code><\/pre>\n
2. \u5be6\u73fe\u5177\u9ad4\u6578\u64da\u5eab\u64cd\u4f5c<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u70ba\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5be6\u73fe\u9019\u4e9b\u63a5\u53e3\u3002\u4f8b\u5982\uff0c\u5c0d\u65bcMySQL\u6578\u64da\u5eab\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528MySQL C API\u4f86\u5be6\u73fe\u9019\u4e9b\u529f\u80fd\uff1a<\/p>\n
\n#include \n\ntypedef struct {\n    MYSQL *conn;\n} MySQLDatabase;\n\nint mysqlConnect(const char *connectionString) {\n    MySQLDatabase *db = malloc(sizeof(MySQLDatabase));\n    db->conn = mysql_init(NULL);\n    if (db->conn == NULL || mysql_real_connect(db->conn, \"host\", \"user\", \"password\", \"database\", 0, NULL, 0) == NULL) {\n        return -1;\n    }\n    return 0;\n}\n\n\/\/ \u5176\u4ed6\u64cd\u4f5c\u7684\u5be6\u73fe...\n<\/code><\/pre>\n
3. \u6574\u5408\u4e0d\u540c\u7684\u6578\u64da\u5eab\u5be6\u73fe<\/h3>\n
\u70ba\u4e86\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u6211\u5011\u53ef\u4ee5\u70ba\u6bcf\u7a2e\u6578\u64da\u5eab\u5275\u5efa\u4e00\u500b\u5177\u9ad4\u7684\u5be6\u73fe\uff0c\u7136\u5f8c\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u6839\u64da\u9700\u8981\u9078\u64c7\u76f8\u61c9\u7684\u5be6\u73fe\u3002\u4f8b\u5982\uff1a<\/p>\n
\nDatabase *createDatabase(const char *dbType) {\n    if (strcmp(dbType, \"mysql\") == 0) {\n        \/\/ \u8fd4\u56deMySQL\u7684\u5be6\u73fe\n    } else if (strcmp(dbType, \"sqlite\") == 0) {\n        \/\/ \u8fd4\u56deSQLite\u7684\u5be6\u73fe\n    }\n    return NULL;\n}\n<\/code><\/pre>\n
\u793a\u4f8b\uff1a\u4f7f\u7528\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u6211\u5011\u7684\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u4f86\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n
\nint main() {\n    Database *db = createDatabase(\"mysql\");\n    if (db->connect(\"host;user;password;database\") == 0) {\n        db->executeQuery(\"SELECT * FROM users\");\n        db->disconnect();\n    }\n    return 0;\n}\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u7684\u5be6\u73fe\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8C\u8a9e\u8a00\u958b\u767c\u4e2d\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\u3002\u901a\u904e\u5b9a\u7fa9\u7d71\u4e00\u7684\u63a5\u53e3\u548c\u70ba\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u5177\u9ad4\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e4b\u9593\u5207\u63db\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u7dad\u8b77\u6027\uff0c\u9084\u80fd\u5920\u9069\u61c9\u4e0d\u65b7\u8b8a\u5316\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22C\u8a9e\u8a00\u958b\u767c\u7684\u901a\u7528\u6578\u64da\u5eab\u8a2a\u554f\u5c64\u5be6\u73fe\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u7c21\u5316\u591a\u6578\u64da\u5eab\u4ea4\u4e92\u904e\u7a0b\u3002<\/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-59915","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59915","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=59915"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59915\/revisions"}],"predecessor-version":[{"id":59916,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59915\/revisions\/59916"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}