{"id":60193,"date":"2024-10-13T00:49:16","date_gmt":"2024-10-12T16:49:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60193\/"},"modified":"2024-10-13T00:49:16","modified_gmt":"2024-10-12T16:49:16","slug":"c%e8%aa%9e%e8%a8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a1%86%e6%9e%b6%ef%bc%9a%e5%bc%b7%e5%a4%a7%e9%80%9a%e7%94%a8%e7%9a%84%e9%81%b8%e6%93%87-c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a1%86%e6%9e%b6%e9%80%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60193\/","title":{"rendered":"C\u8a9e\u8a00\u6578\u64da\u5eab\u6846\u67b6\uff1a\u5f37\u5927\u901a\u7528\u7684\u9078\u64c7 (c\u6578\u64da\u5eab\u6846\u67b6\u901a\u7528\u578b)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a1%86%e6%9e%b6%ef%bc%9a%e5%bc%b7%e5%a4%a7%e9%80%9a%e7%94%a8%e7%9a%84%e9%81%b8%e6%93%87-uDYDFihdQV\">C\u8a9e\u8a00\u6578\u64da\u5eab\u6846\u67b6\uff1a\u5f37\u5927\u901a\u7528\u7684\u9078\u64c7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u5e95\u5c64\u8a9e\u8a00\uff0c\u96d6\u7136\u4e0d\u5982\u9ad8\u7d1a\u8a9e\u8a00\u90a3\u6a23\u76f4\u89c0\uff0c\u4f46\u5176\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u6578\u64da\u5eab\u958b\u767c\u4e2d\u4ecd\u7136\u4f54\u6709\u4e00\u5e2d\u4e4b\u5730\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u500b\u6d41\u884c\u7684C\u8a9e\u8a00\u6578\u64da\u5eab\u6846\u67b6\uff0c\u4e26\u5206\u6790\u5b83\u5011\u7684\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"1-sqlite-uDYDFihdQV\">1. SQLite<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5d4c\u5165\u5f0f\u7cfb\u7d71\u548c\u79fb\u52d5\u61c9\u7528\u4e2d\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7121\u9700\u5b89\u88dd\uff1a<\/strong>SQLite\u662f\u4e00\u500b\u81ea\u5305\u542b\u7684\u6578\u64da\u5eab\uff0c\u7121\u9700\u5b89\u88dd\u548c\u914d\u7f6e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002<\/li>\n<li><strong>\u8f15\u91cf\u7d1a\uff1a<\/strong>\u5176\u6587\u4ef6\u5927\u5c0f\u5c0f\uff0c\u9069\u5408\u8cc7\u6e90\u6709\u9650\u7684\u74b0\u5883\u3002<\/li>\n<li><strong>ACID\u517c\u5bb9\uff1a<\/strong>\u652f\u6301\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQLite\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 *errMsg = 0;\n\n    \/\/ \u6253\u958b\u6578\u64da\u5eab\n    if (sqlite3_open(\"test.db\", &amp;db)) {\n        fprintf(stderr, \"\u7121\u6cd5\u6253\u958b\u6578\u64da\u5eab: %sn\", sqlite3_errmsg(db));\n        return 1;\n    }\n\n    \/\/ \u95dc\u9589\u6578\u64da\u5eab\n    sqlite3_close(db);\n    return 0;\n}\n<\/code><\/pre>\n<h2 id=\"2-mysql-c-api-uDYDFihdQV\">2. MySQL C API<\/h2>\n<p>MySQL\u662f\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86C API\u4f86\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u5176\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>\u9069\u5408\u8655\u7406\u5927\u91cf\u6578\u64da\u548c\u9ad8\u4e26\u767c\u8acb\u6c42\u3002<\/li>\n<li><strong>\u8c50\u5bcc\u7684\u529f\u80fd\uff1a<\/strong>\u652f\u6301\u4e8b\u52d9\u3001\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\u7b49\u529f\u80fd\u3002<\/li>\n<li><strong>\u8de8\u5e73\u53f0\uff1a<\/strong>\u53ef\u5728\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u4e0a\u904b\u884c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528MySQL C API\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n#include &lt;mysql\/mysql.h&gt;\n\nint main() {\n    MYSQL *conn;\n    conn = mysql_init(NULL);\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        return 1;\n    }\n\n    \/\/ \u95dc\u9589\u9023\u63a5\n    mysql_close(conn);\n    return 0;\n}\n<\/code><\/pre>\n<h2 id=\"3-postgresql-c-api-uDYDFihdQV\">3. PostgreSQL C API<\/h2>\n<p>PostgreSQL\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u5c0d\u8c61\u95dc\u806f\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86C\u8a9e\u8a00\u7684API\u3002\u5176\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>\u652f\u6301\u7528\u6236\u81ea\u5b9a\u7fa9\u6578\u64da\u985e\u578b\u548c\u51fd\u6578\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\uff0c\u5982\u4e3b\u5f9e\u8907\u88fd\u3002<\/li>\n<li><strong>\u5f37\u5927\u7684\u67e5\u8a62\u80fd\u529b\uff1a<\/strong>\u652f\u6301\u8907\u96dc\u7684\u67e5\u8a62\u548c\u6578\u64da\u5206\u6790\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PostgreSQL C API\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;libpq-fe.h&gt;\n\nint main() {\n    PGconn *conn = PQconnectdb(\"user=user dbname=database\");\n\n    \/\/ \u6aa2\u67e5\u9023\u63a5\u72c0\u614b\n    if (PQstatus(conn) != CONNECTION_OK) {\n        fprintf(stderr, \"\u9023\u63a5\u5931\u6557: %s\", PQerrorMessage(conn));\n        PQfinish(conn);\n        return 1;\n    }\n\n    \/\/ \u95dc\u9589\u9023\u63a5\n    PQfinish(conn);\n    return 0;\n}\n<\/code><\/pre>\n<h2 id=\"4-%e7%b5%90%e8%ab%96-uDYDFihdQV\">4. \u7d50\u8ad6<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684C\u8a9e\u8a00\u6578\u64da\u5eab\u6846\u67b6\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u9700\u6c42\u548c\u74b0\u5883\u3002SQLite\u9069\u5408\u8f15\u91cf\u7d1a\u61c9\u7528\uff0cMySQL\u548cPostgreSQL\u5247\u66f4\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u548c\u8c50\u5bcc\u529f\u80fd\u7684\u5834\u666f\u3002\u7121\u8ad6\u9078\u64c7\u54ea\u7a2e\u6846\u67b6\uff0c\u4e86\u89e3\u5176\u7279\u6027\u548c\u4f7f\u7528\u65b9\u6cd5\u90fd\u662f\u958b\u767c\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u3001<code>\u4f3a\u670d\u5668<\/code>\u3001<code>\u4e91\u4f3a\u670d\u5668<\/code>\u7b49\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u6578\u64da\u5eab\u6846\u67b6\uff0c\u63d0\u4f9b\u5f37\u5927\u901a\u7528\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u529b\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u958b\u767c\uff0c\u63d0\u5347\u9805\u76ee\u6027\u80fd\u8207\u9748\u6d3b\u6027\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-60193","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60193","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=60193"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60193\/revisions"}],"predecessor-version":[{"id":60194,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60193\/revisions\/60194"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}