{"id":59665,"date":"2024-10-12T23:50:15","date_gmt":"2024-10-12T15:50:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59665\/"},"modified":"2024-10-12T23:50:15","modified_gmt":"2024-10-12T15:50:15","slug":"c%e8%a8%80%e8%aa%9e%e7%a8%8b%e5%ba%8f%e5%93%a1%e5%bf%85%e5%82%99%ef%bc%9a%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ab%af%e5%8f%a3-c%e9%80%a3%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59665\/","title":{"rendered":"C\u8a00\u8a9e\u7a0b\u5e8f\u54e1\u5fc5\u5099\uff1a\u5b78\u7fd2\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3 (c\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3)"},"content":{"rendered":"<h1 id=\"c%e8%a8%80%e8%aa%9e%e7%a8%8b%e5%ba%8f%e5%93%a1%e5%bf%85%e5%82%99%ef%bc%9a%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ab%af%e5%8f%a3-KYHvdbSZyV\">C\u8a00\u8a9e\u7a0b\u5e8f\u54e1\u5fc5\u5099\uff1a\u5b78\u7fd2\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3<\/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\u5c0d\u65bcC\u8a9e\u8a00\u7a0b\u5e8f\u54e1\u4f86\u8aaa\uff0c\u5b78\u6703\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3\u662f\u63d0\u5347\u6280\u80fd\u7684\u91cd\u8981\u4e00\u6b65\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-KYHvdbSZyV\">\u6578\u64da\u5eab\u9023\u63a5\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u662f\u6307\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u901a\u4fe1\u904e\u7a0b\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u52a0\u8f09\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f<\/li>\n<li>\u5efa\u7acb\u9023\u63a5<\/li>\n<li>\u57f7\u884c\u67e5\u8a62<\/li>\n<li>\u8655\u7406\u7d50\u679c<\/li>\n<li>\u95dc\u9589\u9023\u63a5<\/li>\n<\/ul>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u662fMySQL\u548cSQLite\u3002\u9019\u4e9b\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u76f8\u61c9\u7684API\u4f86\u652f\u6301C\u8a9e\u8a00\u7684\u9023\u63a5\u548c\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8mysql%e7%9a%84%e9%80%a3%e6%8e%a5%e7%a4%ba%e4%be%8b-KYHvdbSZyV\">\u4f7f\u7528MySQL\u7684\u9023\u63a5\u793a\u4f8b<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88ddMySQL\u7684C API\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5728Linux\u7cfb\u7d71\u4e0a\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get install libmysqlclient-dev<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u9023\u63a5MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>#include \n#include \n\nint main() {\n    MYSQL *conn;\n    conn = mysql_init(NULL);\n\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    printf(\"Connected to database successfully!n\");\n\n    mysql_close(conn);\n    return EXIT_SUCCESS;\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\u4f86\u5efa\u7acb\u9023\u63a5\u3002\u8acb\u6839\u64da\u60a8\u7684\u6578\u64da\u5eab\u8a2d\u7f6e\u66ff\u63db<code>localhost<\/code>\u3001<code>user<\/code>\u3001<code>password<\/code>\u548c<code>database<\/code>\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8sqlite%e7%9a%84%e9%80%a3%e6%8e%a5%e7%a4%ba%e4%be%8b-KYHvdbSZyV\">\u4f7f\u7528SQLite\u7684\u9023\u63a5\u793a\u4f8b<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u5eab\uff0c\u9069\u5408\u5d4c\u5165\u5f0f\u61c9\u7528\u3002\u8981\u4f7f\u7528SQLite\uff0c\u60a8\u9700\u8981\u5b89\u88ddSQLite\u7684\u958b\u767c\u5305\uff1a<\/p>\n<pre><code>sudo apt-get install libsqlite3-dev<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5SQLite\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>#include \n#include \n\nint main() {\n    sqlite3 *db;\n    int rc;\n\n    rc = sqlite3_open(\"test.db\", &amp;db);\n    if (rc) {\n        fprintf(stderr, \"Can't open database: %sn\", sqlite3_errmsg(db));\n        return rc;\n    } else {\n        fprintf(stderr, \"Opened database successfullyn\");\n    }\n\n    sqlite3_close(db);\n    return 0;\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>sqlite3_open<\/code>\u51fd\u6578\u4f86\u6253\u958b\u4e00\u500bSQLite\u6578\u64da\u5eab\u3002\u5982\u679c\u6578\u64da\u5eab\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u81ea\u52d5\u5275\u5efa\u4e00\u500b\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8c%af%e8%aa%a4-KYHvdbSZyV\">\u8655\u7406\u6578\u64da\u5eab\u932f\u8aa4<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9023\u63a5\u5931\u6557\u9084\u662f\u67e5\u8a62\u932f\u8aa4\uff0c\u90fd\u61c9\u8a72\u53ca\u6642\u6355\u7372\u4e26\u8655\u7406\u3002\u4f7f\u7528<code>mysql_error<\/code>\u6216<code>sqlite3_errmsg<\/code>\u51fd\u6578\u53ef\u4ee5\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u8abf\u8a66\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KYHvdbSZyV\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u6703\u5982\u4f55\u5728C\u8a9e\u8a00\u4e2d\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3\u662f\u6bcf\u4f4d\u7a0b\u5e8f\u54e1\u5fc5\u5099\u7684\u6280\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528MySQL\u9084\u662fSQLite\uff0c\u638c\u63e1\u57fa\u672c\u7684\u9023\u63a5\u65b9\u6cd5\u548c\u932f\u8aa4\u8655\u7406\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u9ad8\u6548\u548c\u5b89\u5168\u7684\u6578\u64da\u5b58\u5132\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2C\u8a9e\u8a00\u7a0b\u5e8f\u54e1\u5fc5\u5099\u6280\u80fd\uff0c\u638c\u63e1\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u7aef\u53e3\uff0c\u63d0\u5347\u4f60\u7684\u958b\u767c\u6548\u7387\u8207\u6578\u64da\u7ba1\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-59665","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59665","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=59665"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59665\/revisions"}],"predecessor-version":[{"id":59666,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59665\/revisions\/59666"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}