{"id":60139,"date":"2024-10-13T00:22:19","date_gmt":"2024-10-12T16:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60139\/"},"modified":"2024-10-13T00:22:19","modified_gmt":"2024-10-12T16:22:19","slug":"c%e8%aa%9e%e8%a8%80%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%a6%e5%af%a6%e7%8f%be%e6%9f%a5%e8%a9%a2-c%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%a6%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60139\/","title":{"rendered":"C\u8a9e\u8a00\u5982\u4f55\u9023\u63a5SQL\u6578\u64da\u5eab\u4e26\u5be6\u73fe\u67e5\u8a62 (c\u9023\u63a5sql\u6578\u64da\u5eab\u4e26\u67e5\u8a62)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%a6%e5%af%a6%e7%8f%be%e6%9f%a5%e8%a9%a2-MxGXJgwLJT\">C\u8a9e\u8a00\u5982\u4f55\u9023\u63a5SQL\u6578\u64da\u5eab\u4e26\u5be6\u73fe\u67e5\u8a62<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0cC\u8a9e\u8a00\u4ecd\u7136\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5c24\u5176\u662f\u5728\u7cfb\u7d71\u7de8\u7a0b\u548c\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\u3002\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u8a31\u591a\u958b\u767c\u8005\u5e0c\u671b\u80fd\u5920\u5728C\u8a9e\u8a00\u4e2d\u76f4\u63a5\u9023\u63a5SQL\u6578\u64da\u5eab\u4e26\u9032\u884c\u67e5\u8a62\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5SQL\u6578\u64da\u5eab\uff0c\u4e26\u5be6\u73fe\u57fa\u672c\u7684\u67e5\u8a62\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-MxGXJgwLJT\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u4e2d\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>GCC\u7de8\u8b6f\u5668<\/li>\n<li>MySQL\u6216SQLite\u6578\u64da\u5eab<\/li>\n<li>\u76f8\u61c9\u7684C\u8a9e\u8a00\u6578\u64da\u5eab\u9a45\u52d5\u5eab\uff08\u5982MySQL Connector\/C\u6216SQLite3\uff09<\/li>\n<\/ul>\n<h2 id=\"2-%e5%ae%89%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a9%85%e5%8b%95-MxGXJgwLJT\">2. \u5b89\u88dd\u6578\u64da\u5eab\u9a45\u52d5<\/h2>\n<p>\u4ee5MySQL\u70ba\u4f8b\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88ddMySQL Connector\/C\uff1a<\/p>\n<pre><code>sudo apt-get install libmysqlclient-dev<\/code><\/pre>\n<p>\u5c0d\u65bcSQLite\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo apt-get install libsqlite3-dev<\/code><\/pre>\n<h2 id=\"3-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-MxGXJgwLJT\">3. \u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u7bc4\u4f8b\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(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01n\");\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\u5316\u4e00\u500bMYSQL\u7d50\u69cb\uff0c\u7136\u5f8c\u4f7f\u7528mysql_real_connect\u51fd\u6578\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u8acb\u6839\u64da\u60a8\u7684\u6578\u64da\u5eab\u8a2d\u7f6e\u66ff\u63db\u201clocalhost\u201d\u3001\u201cuser\u201d\u3001\u201cpassword\u201d\u548c\u201cdatabase\u201d\u3002<\/p>\n<h2 id=\"4-%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-MxGXJgwLJT\">4. \u57f7\u884c\u67e5\u8a62<\/h2>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>#include \n#include \n\nint main() {\n    MYSQL *conn;\n    MYSQL_RES *res;\n    MYSQL_ROW row;\n\n    conn = mysql_init(NULL);\n    mysql_real_connect(conn, \"localhost\", \"user\", \"password\", \"database\", 0, NULL, 0);\n\n    if (mysql_query(conn, \"SELECT * FROM table_name\")) {\n        fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n        return EXIT_FAILURE;\n    }\n\n    res = mysql_store_result(conn);\n    int num_fields = mysql_num_fields(res);\n\n    while ((row = mysql_fetch_row(res))) {\n        for (int i = 0; i &lt; num_fields; i++) {\n            printf(&quot;%s &quot;, row[i] ? row[i] : &quot;NULL&quot;);\n        }\n        printf(&quot;n&quot;);\n    }\n\n    mysql_free_result(res);\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528mysql_query\u51fd\u6578\u57f7\u884c\u4e00\u500bSELECT\u67e5\u8a62\uff0c\u7136\u5f8c\u4f7f\u7528mysql_store_result\u7372\u53d6\u7d50\u679c\u96c6\u3002\u63a5\u8457\uff0c\u6211\u5011\u904d\u6b77\u7d50\u679c\u96c6\u4e26\u6253\u5370\u6bcf\u4e00\u884c\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-MxGXJgwLJT\">5. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u61c9\u8a72\u6aa2\u67e5\u6bcf\u4e00\u500b\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u8fd4\u56de\u503c\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u932f\u8aa4\u8655\u7406\u3002\u4f8b\u5982\uff0c\u5728\u9023\u63a5\u6578\u64da\u5eab\u6216\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u61c9\u8a72\u4f7f\u7528mysql_error\u51fd\u6578\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MxGXJgwLJT\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5728C\u8a9e\u8a00\u4e2d\u6210\u529f\u9023\u63a5SQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\u3002\u9019\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u80fd\u5920\u5728C\u8a9e\u8a00\u7684\u74b0\u5883\u4e2d\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u66f4\u7a69\u5b9a\u7684\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5SQL\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u6578\u64da\u67e5\u8a62\u7684\u6b65\u9a5f\u8207\u793a\u4f8b\uff0c\u63d0\u5347\u4f60\u7684\u7de8\u7a0b\u6280\u80fd\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-60139","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60139","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=60139"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60139\/revisions"}],"predecessor-version":[{"id":60140,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60139\/revisions\/60140"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}