{"id":60173,"date":"2024-10-13T00:39:18","date_gmt":"2024-10-12T16:39:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60173\/"},"modified":"2024-10-13T00:39:18","modified_gmt":"2024-10-12T16:39:18","slug":"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c-c%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60173\/","title":{"rendered":"C\u8a9e\u8a00\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u66f4\u65b0\u64cd\u4f5c (c\u6578\u64da\u5eab\u9023\u63a5\u66f4\u65b0)"},"content":{"rendered":"

C\u8a9e\u8a00\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u66f4\u65b0\u64cd\u4f5c<\/h1>\n

\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u5be6\u73fe\u6578\u64da\u5eab\u7684\u9023\u63a5\u548c\u66f4\u65b0\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5\u7684\u57fa\u672c\u6982\u5ff5<\/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\u6d89\u53ca\u5230\u4f7f\u7528\u7279\u5b9a\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u6216API\u3002\u5c0d\u65bcC\u8a9e\u8a00\u4f86\u8aaa\uff0c\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u9023\u63a5\u5eab\u662fMySQL\u7684C API\u548cSQLite\u3002<\/p>\n

\u4f7f\u7528MySQL C API\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL C API\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u5305\u542b\u5fc5\u8981\u7684\u982d\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n
    #include <\/code><\/pre>\n
      \n
    1. \u521d\u59cb\u5316MySQL\u5eab\uff1a<\/li>\n<\/ol>\n
      mysql_library_init(0, NULL, NULL);<\/code><\/pre>\n
        \n
      1. \u5275\u5efa\u4e00\u500bMySQL\u9023\u63a5\u5c0d\u8c61\uff1a<\/li>\n<\/ol>\n
        MYSQL *conn = mysql_init(NULL);<\/code><\/pre>\n
          \n
        1. \u9023\u63a5\u5230\u6578\u64da\u5eab\uff1a<\/li>\n<\/ol>\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    exit(EXIT_FAILURE);\n}<\/code><\/pre>\n
          \u66f4\u65b0\u64cd\u4f5c\u7684\u5be6\u73fe<\/h2>\n
          \u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\u3002\u66f4\u65b0\u64cd\u4f5c\u901a\u5e38\u4f7f\u7528SQL\u7684UPDATE\u8a9e\u53e5\u4f86\u5be6\u73fe\u3002<\/p>\n
          \u57f7\u884c\u66f4\u65b0\u64cd\u4f5c<\/h3>\n
          \u4ee5\u4e0b\u662f\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n
            \n
          1. \u6e96\u5099SQL\u8a9e\u53e5\uff1a<\/li>\n<\/ol>\n
            const char *sql = \"UPDATE table_name SET column1 = value1 WHERE condition\";<\/code><\/pre>\n
              \n
            1. \u57f7\u884cSQL\u8a9e\u53e5\uff1a<\/li>\n<\/ol>\n
              if (mysql_query(conn, sql)) {\n    fprintf(stderr, \"UPDATE failed. Error: %sn\", mysql_error(conn));\n}<\/code><\/pre>\n
                \n
              1. \u95dc\u9589\u9023\u63a5\uff1a<\/li>\n<\/ol>\n
                mysql_close(conn);<\/code><\/pre>\n
                \u5b8c\u6574\u793a\u4f8b\u4ee3\u78bc<\/h2>\n
                \u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\uff1a<\/p>\n
                #include \n#include \n#include \n\nint main() {\n    MYSQL *conn;\n    conn = mysql_init(NULL);\n\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    const char *sql = \"UPDATE table_name SET column1 = value1 WHERE condition\";\n    if (mysql_query(conn, sql)) {\n        fprintf(stderr, \"UPDATE failed. Error: %sn\", mysql_error(conn));\n    }\n\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}<\/code><\/pre>\n
                \u7d50\u8ad6<\/h2>\n
                \u901a\u904e\u4ee5\u4e0a\u7684\u4ecb\u7d39\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\u4f7f\u7528C\u8a9e\u8a00\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u548c\u66f4\u65b0\u64cd\u4f5c\u7684\u57fa\u672c\u6d41\u7a0b\u3002\u7121\u8ad6\u662f\u4f7f\u7528MySQL\u9084\u662f\u5176\u4ed6\u6578\u64da\u5eab\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5c07\u6703\u66f4\u52a0\u666e\u904d\uff0c\u4e86\u89e3\u5982\u4f55\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n
                \u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001\u9999\u6e2fVPS<\/a>\u3001\u4f3a\u670d\u5668<\/a>\u6216\u5176\u4ed6\u76f8\u95dc\u4e3b\u984c\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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