{"id":60205,"date":"2024-10-13T00:55:20","date_gmt":"2024-10-12T16:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60205\/"},"modified":"2024-10-13T00:55:20","modified_gmt":"2024-10-12T16:55:20","slug":"c%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84%e5%ad%90%e5%87%bd%e6%95%b8%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%87%89%e7%94%a8-c%e5%ad%90%e5%87%bd%e6%95%b8%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60205\/","title":{"rendered":"C\u8a9e\u8a00\u4e2d\u7684\u5b50\u51fd\u6578\u8207\u6578\u64da\u5eab\u7684\u61c9\u7528 (c\u5b50\u51fd\u6578\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84%e5%ad%90%e5%87%bd%e6%95%b8%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%87%89%e7%94%a8-FifSuywYaZ\">C\u8a9e\u8a00\u4e2d\u7684\u5b50\u51fd\u6578\u8207\u6578\u64da\u5eab\u7684\u61c9\u7528<\/h1>\n<p>\u5728\u73fe\u4ee3\u8edf\u9ad4\u958b\u767c\u4e2d\uff0cC\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7cfb\u7d71\u7de8\u7a0b\u3001\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4ee5\u53ca\u6578\u64da\u5eab\u7ba1\u7406\u7b49\u9818\u57df\u3002\u672c\u6587\u5c07\u63a2\u8a0eC\u8a9e\u8a00\u4e2d\u7684\u5b50\u51fd\u6578\u5982\u4f55\u8207\u6578\u64da\u5eab\u9032\u884c\u6709\u6548\u7684\u7d50\u5408\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u4f86\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%90%e5%87%bd%e6%95%b8%ef%bc%9f-FifSuywYaZ\">\u4ec0\u9ebc\u662f\u5b50\u51fd\u6578\uff1f<\/h2>\n<p>\u5b50\u51fd\u6578\uff08\u6216\u7a31\u70ba\u51fd\u6578\uff09\u662fC\u8a9e\u8a00\u4e2d\u7684\u4e00\u500b\u57fa\u672c\u6982\u5ff5\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5c07\u4ee3\u78bc\u5206\u5272\u6210\u66f4\u5c0f\u7684\u3001\u53ef\u91cd\u7528\u7684\u90e8\u5206\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\uff0c\u9084\u4f7f\u5f97\u7dad\u8b77\u548c\u8abf\u8a66\u8b8a\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u5b50\u51fd\u6578\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4e26\u8fd4\u56de\u503c\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u5728\u8655\u7406\u6578\u64da\u6642\u975e\u5e38\u9748\u6d3b\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-FifSuywYaZ\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u3001\u6aa2\u7d22\u548c\u7ba1\u7406\u6578\u64da\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ecMySQL\u3001PostgreSQL\u548cSQLite\u7b49\u3002\u9019\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684API\uff0c\u5141\u8a31\u958b\u767c\u8005\u4f7f\u7528\u5404\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"c%e8%aa%9e%e8%a8%80%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%b5%90%e5%90%88-FifSuywYaZ\">C\u8a9e\u8a00\u8207\u6578\u64da\u5eab\u7684\u7d50\u5408<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u901a\u5e38\u901a\u904eAPI\u4f86\u5be6\u73fe\u3002\u4ee5MySQL\u70ba\u4f8b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528MySQL C API\u4f86\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u4f7f\u7528\u5b50\u51fd\u6578\u4f86\u57f7\u884c\u6578\u64da\u5eab\u67e5\u8a62\u3002<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;mysql\/mysql.h&gt;\n\nvoid connect_to_database(MYSQL *conn) {\n    mysql_init(conn);\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        exit(EXIT_FAILURE);\n    }\n}\n\nvoid execute_query(MYSQL *conn, const char *query) {\n    if (mysql_query(conn, query)) {\n        fprintf(stderr, \"SELECT * FROM users failed. Error: %sn\", mysql_error(conn));\n        return;\n    }\n    MYSQL_RES *result = mysql_store_result(conn);\n    if (result == NULL) {\n        fprintf(stderr, \"mysql_store_result() failed. Error: %sn\", mysql_error(conn));\n        return;\n    }\n    \/\/ \u8655\u7406\u7d50\u679c\u96c6\n    mysql_free_result(result);\n}\n\nint main() {\n    MYSQL *conn = mysql_init(NULL);\n    connect_to_database(conn);\n    execute_query(conn, \"SELECT * FROM users\");\n    mysql_close(conn);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u5169\u500b\u5b50\u51fd\u6578\uff1a<code>connect_to_database<\/code>\u548c<code>execute_query<\/code>\u3002\u9019\u4e9b\u51fd\u6578\u5206\u5225\u7528\u65bc\u9023\u63a5\u6578\u64da\u5eab\u548c\u57f7\u884c\u67e5\u8a62\uff0c\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u4ee3\u78bc\u7d50\u69cb\u66f4\u52a0\u6e05\u6670\uff0c\u4fbf\u65bc\u7dad\u8b77\u3002<\/p>\n<h2 id=\"%e5%ad%90%e5%87%bd%e6%95%b8%e7%9a%84%e5%84%aa%e5%8b%a2-FifSuywYaZ\">\u5b50\u51fd\u6578\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u53ef\u91cd\u7528\u6027\uff1a<\/strong>\u5b50\u51fd\u6578\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5730\u65b9\u88ab\u8abf\u7528\uff0c\u6e1b\u5c11\u4ee3\u78bc\u91cd\u8907\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u5c07\u4ee3\u78bc\u5206\u5272\u6210\u5c0f\u7684\u90e8\u5206\uff0c\u4f7f\u5f97\u6574\u9ad4\u908f\u8f2f\u66f4\u52a0\u6e05\u6670\u3002<\/li>\n<li><strong>\u6613\u65bc\u7dad\u8b77\uff1a<\/strong>\u7576\u9700\u8981\u4fee\u6539\u67d0\u4e00\u529f\u80fd\u6642\uff0c\u53ea\u9700\u66f4\u65b0\u76f8\u61c9\u7684\u5b50\u51fd\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-FifSuywYaZ\">\u7d50\u8ad6<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u5b50\u51fd\u6578\u7684\u4f7f\u7528\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u9084\u4f7f\u5f97\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u901a\u904e\u5408\u7406\u5730\u8a2d\u8a08\u5b50\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u958b\u767c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u662f\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u958b\u767c\u5de5\u4f5c\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u4e2d\u5b50\u51fd\u6578\u7684\u61c9\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\uff0c\u63d0\u5347\u7a0b\u5f0f\u8a2d\u8a08\u6548\u7387\u8207\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60205","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60205","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60205"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60205\/revisions"}],"predecessor-version":[{"id":60206,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60205\/revisions\/60206"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}