{"id":60121,"date":"2024-10-13T00:13:18","date_gmt":"2024-10-12T16:13:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60121\/"},"modified":"2024-10-13T00:13:19","modified_gmt":"2024-10-12T16:13:19","slug":"c%e8%aa%9e%e8%a8%80%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2-c%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60121\/","title":{"rendered":"C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132 (c\u9023\u63a5\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2-gNrURwnMlX\">C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u80fd\u5920\u8207\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\u9032\u884c\u9023\u63a5\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87c%e8%aa%9e%e8%a8%80%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-gNrURwnMlX\">\u70ba\u4ec0\u9ebc\u9078\u64c7C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>C\u8a9e\u8a00\u4ee5\u5176\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u8457\u7a31\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u901a\u904e\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528\u5176\u5e95\u5c64\u64cd\u4f5c\u7cfb\u7d71\u7684\u7279\u6027\uff0c\u5be6\u73fe\u5feb\u901f\u7684\u6578\u64da\u8655\u7406\u3002\u6b64\u5916\uff0cC\u8a9e\u8a00\u7684\u8de8\u5e73\u53f0\u7279\u6027\u4f7f\u5f97\u958b\u767c\u7684\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7d71\u4e0a\u904b\u884c\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5728\u591a\u7a2e\u74b0\u5883\u4e2d\u90e8\u7f72\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%ba%ab-gNrURwnMlX\">\u5e38\u898b\u7684\u6578\u64da\u5eab\u9023\u63a5\u5eab<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u6709\u5e7e\u500b\u5e38\u898b\u7684\u6578\u64da\u5eab\u9023\u63a5\u5eab\u53ef\u4f9b\u4f7f\u7528\uff1a<\/p>\n<ul>\n<li><strong>MySQL Connector\/C<\/strong>: \u7528\u65bc\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u5b98\u65b9\u5eab\u3002<\/li>\n<li><strong>SQLite<\/strong>: \u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u5eab\uff0c\u9069\u5408\u5d4c\u5165\u5f0f\u61c9\u7528\u3002<\/li>\n<li><strong>PostgreSQL libpq<\/strong>: \u7528\u65bc\u9023\u63a5PostgreSQL\u6578\u64da\u5eab\u7684\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8mysql-connector-c%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab-gNrURwnMlX\">\u4f7f\u7528MySQL Connector\/C\u9023\u63a5MySQL\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL Connector\/C\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9dmysql-connector-c-gNrURwnMlX\">1. \u5b89\u88ddMySQL Connector\/C<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88ddMySQL Connector\/C\u3002\u53ef\u4ee5\u5f9eMySQL\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u4e26\u5b89\u88dd\u3002<\/p>\n<h3 id=\"2-%e5%8c%85%e5%90%ab%e5%bf%85%e8%a6%81%e7%9a%84%e9%a0%ad%e6%96%87%e4%bb%b6-gNrURwnMlX\">2. \u5305\u542b\u5fc5\u8981\u7684\u982d\u6587\u4ef6<\/h3>\n<pre><code>#include &lt;mysql\/mysql.h&gt;<\/code><\/pre>\n<h3 id=\"3-%e5%88%9d%e5%a7%8b%e5%8c%96%e5%92%8c%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-gNrURwnMlX\">3. \u521d\u59cb\u5316\u548c\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<p>\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nMYSQL *conn;\nconn = mysql_init(NULL);\n\nif (conn == NULL) {\n    fprintf(stderr, \"mysql_init() failedn\");\n    return EXIT_FAILURE;\n}\n\nif (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<\/code><\/pre>\n<h3 id=\"4-%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-gNrURwnMlX\">4. \u57f7\u884c\u67e5\u8a62<\/h3>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nif (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\nMYSQL_RES *result = mysql_store_result(conn);\n<\/code><\/pre>\n<h3 id=\"5-%e8%99%95%e7%90%86%e7%b5%90%e6%9e%9c-gNrURwnMlX\">5. \u8655\u7406\u7d50\u679c<\/h3>\n<p>\u8655\u7406\u67e5\u8a62\u7d50\u679c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nMYSQL_ROW row;\nwhile ((row = mysql_fetch_row(result))) {\n    printf(\"%sn\", row[0]);\n}\nmysql_free_result(result);\n<\/code><\/pre>\n<h3 id=\"6-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-gNrURwnMlX\">6. \u95dc\u9589\u9023\u63a5<\/h3>\n<p>\u6700\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n<pre><code>\nmysql_close(conn);\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-gNrURwnMlX\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\u662f\u4e00\u500b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u901a\u904e\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u5eab\u9023\u63a5\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u6578\u64da\u7684\u5b58\u5132\u548c\u7ba1\u7406\u3002\u7121\u8ad6\u662fMySQL\u3001SQLite\u9084\u662fPostgreSQL\uff0cC\u8a9e\u8a00\u90fd\u80fd\u63d0\u4f9b\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u9ad8\u6548\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab\u7684\u6280\u5de7\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\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-60121","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60121","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=60121"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60121\/revisions"}],"predecessor-version":[{"id":60122,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60121\/revisions\/60122"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}