{"id":59707,"date":"2024-10-13T00:08:15","date_gmt":"2024-10-12T16:08:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59707\/"},"modified":"2024-10-13T00:08:15","modified_gmt":"2024-10-12T16:08:15","slug":"c%e8%aa%9e%e8%a8%80%e6%8a%80%e5%b7%a7%e6%95%99%e7%a8%8b%ef%bc%9a%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e4%b8%80%e6%ac%a1%e6%b7%bb%e5%8a%a0%e5%85%a9%e6%a2%9d%e6%95%b8%e6%93%9a%e7%9a%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59707\/","title":{"rendered":"C\u8a9e\u8a00\u6280\u5de7\u6559\u7a0b\uff1a\u8f15\u9b06\u5be6\u73fe\u4e00\u6b21\u6dfb\u52a0\u5169\u689d\u6578\u64da\u7684\u6578\u64da\u5eab\u64cd\u4f5c (c\u6dfb\u52a0\u4e00\u6b21\u5169\u689d\u6578\u64da\u5eab)"},"content":{"rendered":"

C\u8a9e\u8a00\u6280\u5de7\u6559\u7a0b\uff1a\u8f15\u9b06\u5be6\u73fe\u4e00\u6b21\u6dfb\u52a0\u5169\u689d\u6578\u64da\u7684\u6578\u64da\u5eab\u64cd\u4f5c<\/h1>\n

\u5728\u73fe\u4ee3\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u5f8c\u7aef\u9084\u662f\u684c\u9762\u61c9\u7528\u7a0b\u5f0f\uff0c\u6578\u64da\u7684\u5b58\u53d6\u548c\u7ba1\u7406\u90fd\u9700\u8981\u9ad8\u6548\u4e14\u7a69\u5b9a\u7684\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u5be6\u73fe\u4e00\u6b21\u6dfb\u52a0\u5169\u689d\u6578\u64da\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n

\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u9019\u901a\u5e38\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5f0f\u3002\u4ee5MySQL\u70ba\u4f8b\uff0c\u958b\u767c\u8005\u9700\u8981\u5305\u542b\u76f8\u61c9\u7684\u982d\u6587\u4ef6\u4e26\u521d\u59cb\u5316\u9023\u63a5\u3002<\/p>\n

#include <stdio.h>\n#include <mysql\/mysql.h>\n\nMYSQL *conn;\nconn = mysql_init(NULL);\nif (conn == NULL) {\n    fprintf(stderr, \"mysql_init() failedn\");\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n
\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u8acb\u78ba\u4fdd\u66ff\u63db\u70ba\u6b63\u78ba\u7684\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n
if (mysql_real_connect(conn, \"localhost\", \"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
\u4e00\u6b21\u6dfb\u52a0\u5169\u689d\u6578\u64da<\/h2>\n
\u5728\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4e00\u6b21\u6027\u63d2\u5165\u5169\u689d\u6578\u64da\u3002\u9019\u88e1\u6211\u5011\u5c07\u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u5305\u542b\u201cname\u201d\u548c\u201cage\u201d\u5169\u500b\u5b57\u6bb5\u3002<\/p>\n
const char *query = \"INSERT INTO users (name, age) VALUES ('Alice', 30), ('Bob', 25)\";\nif (mysql_query(conn, query)) {\n    fprintf(stderr, \"INSERT failed. Error: %sn\", mysql_error(conn));\n}\n<\/code><\/pre>\n
\u78ba\u8a8d\u6578\u64da\u63d2\u5165<\/h2>\n
\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5df2\u6210\u529f\u63d2\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u67e5\u8a62\u6578\u64da\u3002<\/p>\n
if (mysql_query(conn, \"SELECT * FROM users\")) {\n    fprintf(stderr, \"SELECT failed. Error: %sn\", mysql_error(conn));\n}\n\nMYSQL_RES *result = mysql_store_result(conn);\nif (result == NULL) {\n    fprintf(stderr, \"mysql_store_result() failed. Error: %sn\", mysql_error(conn));\n}\n\nint num_fields = mysql_num_fields(result);\nwhile (MYSQL_ROW row = mysql_fetch_row(result)) {\n    for (int i = 0; i < num_fields; i++) {\n        printf(\"%s \", row[i] ? row[i] : \"NULL\");\n    }\n    printf(\"n\");\n}\nmysql_free_result(result);\n<\/code><\/pre>\n
\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n
\u6700\u5f8c\uff0c\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u3002<\/p>\n
mysql_close(conn);\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u5be6\u73fe\u4e00\u6b21\u6dfb\u52a0\u5169\u689d\u6578\u64da\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u901a\u904e\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\u3001\u57f7\u884c\u63d2\u5165\u64cd\u4f5c\u4ee5\u53ca\u67e5\u8a62\u78ba\u8a8d\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u3002\u9019\u4e9b\u6280\u5de7\u5c0d\u65bc\u958b\u767c\u8005\u5728\u5be6\u969b\u9805\u76ee\u4e2d\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u958b\u767c\u5de5\u4f5c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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