{"id":59669,"date":"2024-10-12T23:51:54","date_gmt":"2024-10-12T15:51:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59669\/"},"modified":"2024-10-12T23:51:54","modified_gmt":"2024-10-12T15:51:54","slug":"c%e8%aa%9e%e8%a8%80%ef%bc%9a%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e7%9b%b4%e6%8e%a5%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%ef%bc%9f-c%e6%80%8e%e9%ba%bc%e7%9b%b4%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59669\/","title":{"rendered":"C\u8a9e\u8a00\uff1a\u5982\u4f55\u5be6\u73fe\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u6578\u64da\uff1f (c\u600e\u9ebc\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%ef%bc%9a%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e7%9b%b4%e6%8e%a5%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%ef%bc%9f-HsXeTfaOgX\">C\u8a9e\u8a00\uff1a\u5982\u4f55\u5be6\u73fe\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u6578\u64da\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u91cd\u8981\u89d2\u8272\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u5e95\u5c64\u7de8\u7a0b\u8a9e\u8a00\uff0c\u96d6\u7136\u4e0d\u5982\u4e00\u4e9b\u9ad8\u7d1a\u8a9e\u8a00\u90a3\u6a23\u76f4\u89c0\uff0c\u4f46\u5b83\u4ecd\u7136\u53ef\u4ee5\u901a\u904e\u7279\u5b9a\u7684\u5eab\u4f86\u5be6\u73fe\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8a2a\u554f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u5be6\u73fe\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u6578\u64da\u7684\u904e\u7a0b\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%81%b8%e6%93%87-HsXeTfaOgX\">1. \u6578\u64da\u5eab\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u3002\u5e38\u898b\u7684\u9078\u64c7\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>MySQL<\/li>\n<li>PostgreSQL<\/li>\n<li>SQLite<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6578\u64da\u5eab\u90fd\u6709\u5404\u81ea\u7684\u7279\u9ede\u548c\u512a\u52e2\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab-HsXeTfaOgX\">2. \u4f7f\u7528C\u8a9e\u8a00\u8a2a\u554f\u6578\u64da\u5eab<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u8a2a\u554f\u6578\u64da\u5eab\u901a\u5e38\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684API\u6216\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6578\u64da\u5eab\u9023\u63a5\u5eab\uff1a<\/p>\n<ul>\n<li><strong>MySQL C API<\/strong>\uff1a\u7528\u65bc\u9023\u63a5\u548c\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>libpq<\/strong>\uff1aPostgreSQL\u7684C\u8a9e\u8a00\u63a5\u53e3\u3002<\/li>\n<li><strong>SQLite3<\/strong>\uff1a\u7528\u65bc\u64cd\u4f5cSQLite\u6578\u64da\u5eab\u7684C\u8a9e\u8a00\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<h3 id=\"2-1-%e4%bd%bf%e7%94%a8mysql-c-api%e7%9a%84%e7%a4%ba%e4%be%8b-HsXeTfaOgX\">2.1 \u4f7f\u7528MySQL C API\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528MySQL C API\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u7c21\u55ae\u793a\u4f8b\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    conn = mysql_init(NULL);\n    if (conn == NULL) {\n        fprintf(stderr, \"mysql_init() failedn\");\n        return EXIT_FAILURE;\n    }\n\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    if (mysql_query(conn, \"SELECT * FROM table_name\")) {\n        fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\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    while ((row = mysql_fetch_row(res)) != NULL) {\n        printf(\"%sn\", row[0]); \/\/ \u5047\u8a2d\u7b2c\u4e00\u5217\u662f\u6211\u5011\u9700\u8981\u7684\u6578\u64da\n    }\n\n    mysql_free_result(res);\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}\n<\/code><\/pre>\n<h3 id=\"2-2-%e4%bd%bf%e7%94%a8sqlite3%e7%9a%84%e7%a4%ba%e4%be%8b-HsXeTfaOgX\">2.2 \u4f7f\u7528SQLite3\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQLite3\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;sqlite3.h&gt;\n\nint main() {\n    sqlite3 *db;\n    char *err_msg = 0;\n\n    int rc = sqlite3_open(\"test.db\", &amp;db);\n    if (rc != SQLITE_OK) {\n        fprintf(stderr, \"Cannot open database: %sn\", sqlite3_errmsg(db));\n        return rc;\n    }\n\n    const char *sql = \"SELECT * FROM table_name\";\n\n    rc = sqlite3_exec(db, sql, 0, 0, &amp;err_msg);\n    if (rc != SQLITE_OK) {\n        fprintf(stderr, \"SQL error: %sn\", err_msg);\n        sqlite3_free(err_msg);\n    }\n\n    sqlite3_close(db);\n    return 0;\n}\n<\/code><\/pre>\n<h2 id=\"3-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HsXeTfaOgX\">3. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528C\u8a9e\u8a00\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6b63\u78ba\u8655\u7406\u932f\u8aa4\uff1a\u5728\u6bcf\u4e00\u6b65\u64cd\u4f5c\u5f8c\u6aa2\u67e5\u8fd4\u56de\u503c\uff0c\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u6210\u529f\u3002<\/li>\n<li>\u8cc7\u6e90\u7ba1\u7406\uff1a\u4f7f\u7528\u5b8c\u6578\u64da\u5eab\u9023\u63a5\u5f8c\uff0c\u52d9\u5fc5\u95dc\u9589\u9023\u63a5\u4e26\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u907f\u514dSQL\u6ce8\u5165\u653b\u64ca\uff0c\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u8655\u7406\u7528\u6236\u8f38\u5165\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HsXeTfaOgX\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u5eabAPI\uff0cC\u8a9e\u8a00\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8a2a\u554f\u3002\u7121\u8ad6\u662f\u4f7f\u7528MySQL\u3001PostgreSQL\u9084\u662fSQLite\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5eab\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0cC\u8a9e\u8a00\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u6027\u80fd\u512a\u52e2\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u4e2d\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u6578\u64da\u7684\u65b9\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528API\u548c\u5eab\u4f86\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u64cd\u4f5c\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-59669","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59669","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=59669"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59669\/revisions"}],"predecessor-version":[{"id":59670,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59669\/revisions\/59670"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}