{"id":60159,"date":"2024-10-13T00:32:19","date_gmt":"2024-10-12T16:32:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60159\/"},"modified":"2024-10-13T00:32:19","modified_gmt":"2024-10-12T16:32:19","slug":"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e5%8b%95%e6%85%8b%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%96%b9%e6%b3%95-c%e5%8b%95%e6%85%8b%e7%ae%a1%e7%90%86%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60159\/","title":{"rendered":"C\u8a9e\u8a00\u5be6\u73fe\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5 (c\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"

C\u8a9e\u8a00\u5be6\u73fe\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u4f01\u696d\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u5be6\u73fe\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff1f<\/h2>\n

\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u662f\u6307\u5728\u904b\u884c\u6642\u6839\u64da\u9700\u8981\u5275\u5efa\u548c\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\u7684\u904e\u7a0b\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u52e2\u5728\u65bc\u80fd\u5920\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u8cc7\u6e90\u7684\u4f7f\u7528\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7C\u8a9e\u8a00\uff1f<\/h2>\n

C\u8a9e\u8a00\u662f\u4e00\u7a2e\u5e95\u5c64\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u5c0d\u5167\u5b58\u548c\u7cfb\u7d71\u8cc7\u6e90\u7684\u76f4\u63a5\u63a7\u5236\u3002\u9019\u4f7f\u5f97C\u8a9e\u8a00\u5728\u6027\u80fd\u8981\u6c42\u9ad8\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u53d7\u6b61\u8fce\u3002\u6b64\u5916\uff0cC\u8a9e\u8a00\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u52d5\u614b\u6578\u64da\u5eab\u9023\u63a5\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n

\u5be6\u73fe\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u6b65\u9a5f<\/h2>\n

1. \u5f15\u5165\u5fc5\u8981\u7684\u5eab<\/h3>\n

\u5728C\u8a9e\u8a00\u4e2d\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u901a\u5e38\u9700\u8981\u5f15\u5165\u7279\u5b9a\u7684\u5eab\u3002\u4f8b\u5982\uff0c\u5c0d\u65bcMySQL\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528MySQL C API\u3002\u9996\u5148\uff0c\u9700\u8981\u5728\u4ee3\u78bc\u4e2d\u5305\u542b\u76f8\u61c9\u7684\u982d\u6587\u4ef6\uff1a<\/p>\n

#include <mysql\/mysql.h><\/code><\/pre>\n
2. \u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n
\u4f7f\u7528\u52d5\u614b\u5206\u914d\u7684\u65b9\u5f0f\u4f86\u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u5be6\u73fe\uff1a<\/p>\n
MYSQL *conn;\nconn = mysql_init(NULL);\nif (conn == NULL) {\n    fprintf(stderr, \"mysql_init() failedn\");\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n
3. \u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n
\u4f7f\u7528mysql_real_connect\u51fd\u6578\u4f86\u9023\u63a5\u5230\u6578\u64da\u5eab\uff1a<\/p>\n
if (mysql_real_connect(conn, \"host\", \"user\", \"password\", \"database\", 0, NULL, 0) == NULL) {\n    fprintf(stderr, \"mysql_real_connect() failedn\");\n    mysql_close(conn);\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n
4. \u57f7\u884c\u67e5\u8a62<\/h3>\n
\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u5c31\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57f7\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n
if (mysql_query(conn, \"SELECT * FROM table_name\")) {\n    fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n    mysql_close(conn);\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n
5. \u91cb\u653e\u8cc7\u6e90<\/h3>\n
\u5728\u5b8c\u6210\u6578\u64da\u5eab\u64cd\u4f5c\u5f8c\uff0c\u61c9\u8a72\u91cb\u653e\u8cc7\u6e90\u4ee5\u907f\u514d\u5167\u5b58\u6cc4\u6f0f\uff1a<\/p>\n
mysql_close(conn);\n<\/code><\/pre>\n
\u793a\u4f8b\u4ee3\u78bc<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n
#include <stdio.h>\n#include <stdlib.h>\n#include <mysql\/mysql.h>\n\nint main() {\n    MYSQL *conn;\n    conn = mysql_init(NULL);\n    if (conn == NULL) {\n        fprintf(stderr, \"mysql_init() failedn\");\n        return EXIT_FAILURE;\n    }\n\n    if (mysql_real_connect(conn, \"host\", \"user\", \"password\", \"database\", 0, NULL, 0) == NULL) {\n        fprintf(stderr, \"mysql_real_connect() failedn\");\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    if (mysql_query(conn, \"SELECT * FROM table_name\")) {\n        fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u52d5\u614b\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u5728C\u8a9e\u8a00\u4e2d\u662f\u4e00\u500b\u91cd\u8981\u7684\u6280\u8853\uff0c\u80fd\u5920\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u3002\u901a\u904e\u5408\u7406\u7684\u4ee3\u78bc\u7d50\u69cb\u548c\u8cc7\u6e90\u7ba1\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u6578\u64da\u5eab\u7684\u52d5\u614b\u9023\u63a5\u548c\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0cC\u8a9e\u8a00\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\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\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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