{"id":165865,"date":"2024-11-05T13:29:19","date_gmt":"2024-11-05T05:29:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165865\/"},"modified":"2024-11-05T13:29:20","modified_gmt":"2024-11-05T05:29:20","slug":"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8%e7%9a%84%e6%96%b9%e6%b3%95-c-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165865\/","title":{"rendered":"\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u7684\u65b9\u6cd5 (c \u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8%e7%9a%84%e6%96%b9%e6%b3%95-c-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-FNHFpEduga\">\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u7684\u65b9\u6cd5 (C \u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868)<\/h1>\n<p>\u5728\u958b\u767c\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\uff0c\u4ee5\u4fbf\u4e86\u89e3\u7576\u524d\u7cfb\u7d71\u4e2d\u5b58\u5728\u7684\u6578\u64da\u5eab\u3002\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 C \u8a9e\u8a00\u4f86\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-FNHFpEduga\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868<\/h2>\n<p>\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e86\u89e3\u7cfb\u7d71\u4e2d\u5b58\u5728\u7684\u6578\u64da\u5eab\u53ca\u5176\u7d50\u69cb\u3002<\/li>\n<li>\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u548c\u7dad\u8b77\uff0c\u4f8b\u5982\u5099\u4efd\u548c\u6062\u5fa9\u3002<\/li>\n<li>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u6578\u64da\u5eab\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-c-%e8%aa%9e%e8%a8%80%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-FNHFpEduga\">\u4f7f\u7528 C \u8a9e\u8a00\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868<\/h2>\n<p>\u5728 C \u8a9e\u8a00\u4e2d\uff0c\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u901a\u5e38\u9700\u8981\u4f7f\u7528\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u9023\u63a5\u5230\u6578\u64da\u5eab\u4e26\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1-%e5%ae%89%e8%a3%9d-mysql-c-api-FNHFpEduga\">\u6b65\u9a5f 1: \u5b89\u88dd MySQL C API<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u5df2\u5b89\u88dd MySQL C API\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get install libmysqlclient-dev<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2-%e7%b7%a8%e5%af%ab-c-%e7%a8%8b%e5%ba%8f-FNHFpEduga\">\u6b65\u9a5f 2: \u7de8\u5beb C \u7a0b\u5e8f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 C \u7a0b\u5e8f\u793a\u4f8b\uff0c\u8a72\u7a0b\u5e8f\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\u4e26\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\uff1a<\/p>\n<pre><code>#include \n#include \n#include \n\nint main() {\n    MYSQL *conn;\n    MYSQL_RES *res;\n    MYSQL_ROW row;\n\n    \/\/ \u521d\u59cb\u5316 MySQL \u9023\u63a5\n    conn = mysql_init(NULL);\n    if (conn == NULL) {\n        fprintf(stderr, \"mysql_init() failedn\");\n        return EXIT_FAILURE;\n    }\n\n    \/\/ \u9023\u63a5\u5230\u6578\u64da\u5eab\n    if (mysql_real_connect(conn, \"localhost\", \"username\", \"password\", NULL, 0, NULL, 0) == NULL) {\n        fprintf(stderr, \"mysql_real_connect() failedn\");\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    \/\/ \u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\n    if (mysql_query(conn, \"SHOW DATABASES\")) {\n        fprintf(stderr, \"SHOW DATABASES failed. Error: %sn\", mysql_error(conn));\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    \/\/ \u7372\u53d6\u7d50\u679c\u96c6\n    res = mysql_store_result(conn);\n    if (res == NULL) {\n        fprintf(stderr, \"mysql_store_result() failed. Error: %sn\", mysql_error(conn));\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    \/\/ \u8f38\u51fa\u6578\u64da\u5eab\u5217\u8868\n    printf(\"Databases:n\");\n    while ((row = mysql_fetch_row(res)) != NULL) {\n        printf(\"%sn\", row[0]);\n    }\n\n    \/\/ \u91cb\u653e\u7d50\u679c\u96c6\u548c\u95dc\u9589\u9023\u63a5\n    mysql_free_result(res);\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3-%e7%b7%a8%e8%ad%af%e5%92%8c%e9%81%8b%e8%a1%8c%e7%a8%8b%e5%ba%8f-FNHFpEduga\">\u6b65\u9a5f 3: \u7de8\u8b6f\u548c\u904b\u884c\u7a0b\u5e8f<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7de8\u8b6f\u548c\u904b\u884c\u7a0b\u5e8f\uff1a<\/p>\n<pre><code>gcc -o show_databases show_databases.c `mysql_config --cflags --libs`<\/code><\/pre>\n<pre><code>.\/show_databases<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-FNHFpEduga\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 C \u8a9e\u8a00\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/li>\n<li>\u6839\u64da\u9700\u8981\u8655\u7406\u932f\u8aa4\uff0c\u4ee5\u4fbf\u5728\u51fa\u73fe\u554f\u984c\u6642\u80fd\u5920\u7372\u5f97\u6709\u7528\u7684\u8abf\u8a66\u4fe1\u606f\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u8acb\u9075\u5faa\u5b89\u5168\u6700\u4f73\u5be6\u8e10\uff0c\u907f\u514d\u5c07\u654f\u611f\u4fe1\u606f\u786c\u7de8\u78bc\u5728\u4ee3\u78bc\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FNHFpEduga\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u662f\u6578\u64da\u5eab\u7ba1\u7406\u548c\u958b\u767c\u4e2d\u7684\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528 C \u8a9e\u8a00\u548c MySQL C API\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u9023\u63a5\u5230\u6578\u64da\u5eab\u4e26\u7372\u53d6\u6578\u64da\u5eab\u5217\u8868\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u4e86\u89e3\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7ba1\u7406\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u548c\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9ad8\u6548\u7372\u53d6\u548c\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u8cc7\u6599\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-165865","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165865","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=165865"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165865\/revisions"}],"predecessor-version":[{"id":165866,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165865\/revisions\/165866"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}