{"id":175193,"date":"2024-11-08T03:49:26","date_gmt":"2024-11-07T19:49:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175193\/"},"modified":"2024-11-08T03:49:26","modified_gmt":"2024-11-07T19:49:26","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e5%9c%a8%e4%b8%bb%e6%a9%9f%e5%90%8d-c%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175193\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u4e3b\u6a5f\u540d (c\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u4e3b\u6a5f\u540d)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e5%9c%a8%e4%b8%bb%e6%a9%9f%e5%90%8d-qjBcwMchRN\">\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u4e3b\u6a5f\u540d<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u8b8a\u5f97\u7121\u8655\u4e0d\u5728\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u4f01\u696d\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u662f\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u7576\u6211\u5011\u9700\u8981\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u7684\u4e3b\u6a5f\u540d\u6642\uff0cC\u8a9e\u8a00\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u4e3b\u6a5f\u540d\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-qjBcwMchRN\">\u7406\u89e3\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u9023\u63a5\u7684\u57fa\u672c\u6982\u5ff5\u3002\u6578\u64da\u5eab\u901a\u5e38\u904b\u884c\u5728\u4e00\u500b\u670d\u52d9\u5668\u4e0a\uff0c\u4e26\u901a\u904e\u7db2\u7d61\u8207\u5ba2\u6236\u7aef\u9032\u884c\u901a\u4fe1\u3002\u7576\u6211\u5011\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u5230\u6578\u64da\u5eab\u6642\uff0c\u901a\u5e38\u9700\u8981\u63d0\u4f9b\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u985e\u578b\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09<\/li>\n<li>\u4e3b\u6a5f\u540d\u6216IP\u5730\u5740<\/li>\n<li>\u7528\u6236\u540d\u548c\u5bc6\u78bc<\/li>\n<li>\u6578\u64da\u5eab\u540d\u7a31<\/li>\n<\/ul>\n<p>\u5728\u9019\u4e9b\u4fe1\u606f\u4e2d\uff0c\u4e3b\u6a5f\u540d\u662f\u6211\u5011\u9700\u8981\u7372\u53d6\u7684\u95dc\u9375\u90e8\u5206\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u7372\u53d6\u9019\u4e00\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e6%a9%9f%e5%90%8d-qjBcwMchRN\">\u4f7f\u7528C\u8a9e\u8a00\u7372\u53d6\u6578\u64da\u5eab\u4e3b\u6a5f\u540d<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u4ee5MySQL\u70ba\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528MySQL C API\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL C API\u7372\u53d6\u6578\u64da\u5eab\u4e3b\u6a5f\u540d\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e5%ae%89%e8%a3%9dmysql-c-api-qjBcwMchRN\">\u6b65\u9a5f1\uff1a\u5b89\u88ddMySQL C API<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684\u958b\u767c\u74b0\u5883\u4e2d\u5df2\u7d93\u5b89\u88dd\u4e86MySQL C API\u3002\u4f60\u53ef\u4ee5\u901a\u904e\u5305\u7ba1\u7406\u5668\u6216\u5f9eMySQL\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u4e26\u5b89\u88dd\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e7%b7%a8%e5%af%abc%e8%aa%9e%e8%a8%80%e4%bb%a3%e7%a2%bc-qjBcwMchRN\">\u6b65\u9a5f2\uff1a\u7de8\u5bebC\u8a9e\u8a00\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u7372\u53d6\u4e3b\u6a5f\u540d\uff1a<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;mysql\/mysql.h&gt;\n\nint main() {\n    MYSQL *conn;\n    MYSQL_RES *res;\n    MYSQL_ROW row;\n\n    \/\/ \u521d\u59cb\u5316MySQL\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\", \"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    \/\/ \u7372\u53d6\u4e3b\u6a5f\u540d\n    const char *host_info = mysql_get_host_info(conn);\n    printf(\"\u6578\u64da\u5eab\u4e3b\u6a5f\u540d: %sn\", host_info);\n\n    \/\/ \u6e05\u7406\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u521d\u59cb\u5316MySQL\u9023\u63a5\uff0c\u7136\u5f8c\u4f7f\u7528 <code>mysql_real_connect<\/code> \u51fd\u6578\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u6210\u529f\u9023\u63a5\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>mysql_get_host_info<\/code> \u51fd\u6578\u7372\u53d6\u4e3b\u6a5f\u540d\uff0c\u4e26\u5c07\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qjBcwMchRN\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u670d\u52d9\u5668\u6b63\u5728\u904b\u884c\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u63d0\u4f9b\u7684\u4e3b\u6a5f\u540d\u6216IP\u5730\u5740\u8a2a\u554f\u3002<\/li>\n<li>\u59a5\u5584\u8655\u7406\u932f\u8aa4\uff0c\u7279\u5225\u662f\u5728\u9023\u63a5\u6578\u64da\u5eab\u6642\u3002<\/li>\n<li>\u6839\u64da\u9700\u8981\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\uff0c\u56e0\u70ba\u4e0d\u540c\u7684\u6578\u64da\u5eab\u53ef\u80fd\u6709\u4e0d\u540c\u7684API\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qjBcwMchRN\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528C\u8a9e\u8a00\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u4e3b\u6a5f\u540d\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u884c\u4ee3\u78bc\u5373\u53ef\u5be6\u73fe\u3002\u901a\u904e\u6b63\u78ba\u7684\u6578\u64da\u5eab\u9023\u63a5\u548cAPI\u8abf\u7528\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4f86\u904b\u884c\u6578\u64da\u5eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\u5668\uff0c\u78ba\u4fdd\u4f60\u7684\u6578\u64da\u5eab\u80fd\u5920\u7a69\u5b9a\u904b\u884c\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u7372\u53d6\u6578\u64da\u5eab\u6240\u5728\u4e3b\u6a5f\u540d\uff0c\u638c\u63e1\u9023\u63a5\u6578\u64da\u5eab\u7684\u6280\u5de7\uff0c\u63d0\u5347\u4f60\u7684\u7de8\u7a0b\u80fd\u529b\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-175193","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175193","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=175193"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175193\/revisions"}],"predecessor-version":[{"id":175194,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175193\/revisions\/175194"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}