{"id":60165,"date":"2024-10-13T00:35:17","date_gmt":"2024-10-12T16:35:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60165\/"},"modified":"2024-10-13T00:35:17","modified_gmt":"2024-10-12T16:35:17","slug":"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%8c%e7%be%8e%e4%bb%a3%e7%a2%bc%e6%95%99%e7%a8%8b-c%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60165\/","title":{"rendered":"C\u8a9e\u8a00\u5be6\u73fe\u9023\u63a5SQL\u6578\u64da\u5eab\u7684\u5b8c\u7f8e\u4ee3\u78bc\u6559\u7a0b (c\u9023\u63a5sql\u6578\u64da\u5eab\u4ee3\u78bc)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%8c%e7%be%8e%e4%bb%a3%e7%a2%bc%e6%95%99%e7%a8%8b-KStcrElZAZ\">C\u8a9e\u8a00\u5be6\u73fe\u9023\u63a5SQL\u6578\u64da\u5eab\u7684\u5b8c\u7f8e\u4ee3\u78bc\u6559\u7a0b<\/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\u4f7f\u7528C\u8a9e\u8a00\u4f86\u9023\u63a5\u548c\u64cd\u4f5cSQL\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5SQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u5b8c\u6574\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-KStcrElZAZ\">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\u958b\u767c\u5eab\uff08libmysqlclient-dev\uff09<\/li>\n<\/ul>\n<p>\u5728Ubuntu\u7cfb\u7d71\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88ddMySQL\u958b\u767c\u5eab\uff1a<\/p>\n<pre><code>sudo apt-get install libmysqlclient-dev<\/code><\/pre>\n<h2 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-KStcrElZAZ\">2. \u5305\u542b\u5fc5\u8981\u7684\u982d\u6587\u4ef6<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u60a8\u9700\u8981\u5305\u542bMySQL\u7684\u982d\u6587\u4ef6\uff0c\u4ee5\u4fbf\u4f7f\u7528\u5176\u63d0\u4f9b\u7684API\u3002\u4ee5\u4e0b\u662f\u9700\u8981\u5305\u542b\u7684\u982d\u6587\u4ef6\uff1a<\/p>\n<pre><code>#include \n#include \n#include \n<\/code><\/pre>\n<h2 id=\"3-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-KStcrElZAZ\">3. \u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u8981\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\uff0c\u60a8\u9700\u8981\u4f7f\u7528mysql_init()\u548cmysql_real_connect()\u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>MYSQL *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\", \"username\", \"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<h2 id=\"4-%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-KStcrElZAZ\">4. \u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528mysql_query()\u51fd\u6578\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57f7\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>if (mysql_query(conn, \"SELECT * FROM your_table\")) {\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);\nif (result == NULL) {\n    fprintf(stderr, \"mysql_store_result() failed. Error: %sn\", mysql_error(conn));\n    mysql_close(conn);\n    return EXIT_FAILURE;\n}\n<\/code><\/pre>\n<h2 id=\"5-%e8%99%95%e7%90%86%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-KStcrElZAZ\">5. \u8655\u7406\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u67e5\u8a62\u7d50\u679c\u53ef\u4ee5\u901a\u904emysql_fetch_row()\u51fd\u6578\u4f86\u7372\u53d6\u3002\u4ee5\u4e0b\u662f\u8655\u7406\u67e5\u8a62\u7d50\u679c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>MYSQL_ROW row;\nwhile ((row = mysql_fetch_row(result))) {\n    printf(\"%sn\", row[0]); \/\/ \u5047\u8a2d\u7b2c\u4e00\u5217\u662f\u60a8\u60f3\u8981\u7684\u6578\u64da\n}\nmysql_free_result(result);\n<\/code><\/pre>\n<h2 id=\"6-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-KStcrElZAZ\">6. \u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5728\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n<pre><code>mysql_close(conn);\n<\/code><\/pre>\n<h2 id=\"7-%e5%ae%8c%e6%95%b4%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-KStcrElZAZ\">7. \u5b8c\u6574\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684C\u8a9e\u8a00\u4ee3\u78bc\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n<pre><code>#include \n#include \n#include \n\nint main() {\n    MYSQL *conn;\n    MYSQL_RES *result;\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\", \"username\", \"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 your_table\")) {\n        fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n        mysql_close(conn);\n        return EXIT_FAILURE;\n    }\n\n    result = mysql_store_result(conn);\n    if (result == 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(result))) {\n        printf(\"%sn\", row[0]);\n    }\n\n    mysql_free_result(result);\n    mysql_close(conn);\n    return EXIT_SUCCESS;\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KStcrElZAZ\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u5230SQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\u3002\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u5b8c\u7f8e\u9023\u63a5SQL\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u8a73\u7d30\u4ee3\u78bc\u793a\u4f8b\u548c\u6b65\u9a5f\uff0c\u52a9\u4f60\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\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-60165","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60165","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=60165"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60165\/revisions"}],"predecessor-version":[{"id":60166,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60165\/revisions\/60166"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}