{"id":59643,"date":"2024-10-12T23:39:19","date_gmt":"2024-10-12T15:39:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59643\/"},"modified":"2024-10-12T23:39:19","modified_gmt":"2024-10-12T15:39:19","slug":"csharp-%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59643\/","title":{"rendered":"CSharp \u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"csharp-%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-OfLMxfPDyW\">CSharp \u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0cCSharp\uff08C#\uff09\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u3002\u7576\u9700\u8981\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u6642\uff0cMySQL\u662f\u4e00\u500b\u5e38\u898b\u7684\u9078\u64c7\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528CSharp\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%ae%89%e8%a3%9dmysql-connector-net-OfLMxfPDyW\">\u6b65\u9a5f\u4e00\uff1a\u5b89\u88ddMySQL Connector\/NET<\/h2>\n<p>\u8981\u5728CSharp\u4e2d\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u9996\u5148\u9700\u8981\u5b89\u88ddMySQL Connector\/NET\u3002\u9019\u662f\u4e00\u500b\u63d0\u4f9b.NET\u61c9\u7528\u7a0b\u5e8f\u8207MySQL\u6578\u64da\u5eab\u4e4b\u9593\u901a\u4fe1\u7684\u9a45\u52d5\u7a0b\u5e8f\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5b89\u88dd\uff1a<\/p>\n<ul>\n<li>\u8a2a\u554fMySQL\u5b98\u65b9\u7db2\u7ad9\uff0c\u4e0b\u8f09\u6700\u65b0\u7248\u672c\u7684Connector\/NET\u3002<\/li>\n<li>\u6309\u7167\u5b89\u88dd\u5411\u5c0e\u7684\u6307\u793a\u5b8c\u6210\u5b89\u88dd\u3002<\/li>\n<li>\u5728Visual Studio\u4e2d\uff0c\u901a\u904eNuGet\u5305\u7ba1\u7406\u5668\u5b89\u88ddMySql.Data\u5305\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<pre><code>Install-Package MySql.Data<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-OfLMxfPDyW\">\u6b65\u9a5f\u4e8c\uff1a\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u958b\u59cb\u7de8\u5beb\u4ee3\u78bc\u4f86\u5efa\u7acb\u8207MySQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>using MySql.Data.MySqlClient;\n\nstring connectionString = \"Server=localhost;Database=testdb;User ID=root;Password=yourpassword;\";\nusing (MySqlConnection connection = new MySqlConnection(connectionString))\n{\n    try\n    {\n        connection.Open();\n        Console.WriteLine(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n    }\n    catch (Exception ex)\n    {\n        Console.WriteLine(\"\u9023\u63a5\u5931\u6557: \" + ex.Message);\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u8acb\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u7684\u4f3a\u670d\u5668\u5730\u5740\u3001\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-OfLMxfPDyW\">\u6b65\u9a5f\u4e09\uff1a\u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u4f86\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string query = \"SELECT * FROM users\";\nusing (MySqlCommand command = new MySqlCommand(query, connection))\n{\n    using (MySqlDataReader reader = command.ExecuteReader())\n    {\n        while (reader.Read())\n        {\n            Console.WriteLine(\"\u7528\u6236ID: \" + reader[\"id\"] + \", \u7528\u6236\u540d: \" + reader[\"username\"]);\n        }\n    }\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e\u540d\u70ba\u201cusers\u201d\u7684\u8868\u4e2d\u9078\u64c7\u6240\u6709\u7528\u6236\u7684ID\u548c\u7528\u6236\u540d\uff0c\u4e26\u5c07\u5176\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e7%9a%84%e6%8f%92%e5%85%a5%e3%80%81%e6%9b%b4%e6%96%b0%e5%92%8c%e5%88%aa%e9%99%a4-OfLMxfPDyW\">\u6b65\u9a5f\u56db\uff1a\u8655\u7406\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664<\/h2>\n<p>\u9664\u4e86\u67e5\u8a62\u6578\u64da\uff0c\u9084\u53ef\u4ee5\u9032\u884c\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string insertQuery = \"INSERT INTO users (username, password) VALUES (@username, @password)\";\nusing (MySqlCommand insertCommand = new MySqlCommand(insertQuery, connection))\n{\n    insertCommand.Parameters.AddWithValue(\"@username\", \"newuser\");\n    insertCommand.Parameters.AddWithValue(\"@password\", \"newpassword\");\n    int rowsAffected = insertCommand.ExecuteNonQuery();\n    Console.WriteLine(\"\u63d2\u5165\u4e86 \" + rowsAffected + \" \u884c\u6578\u64da\u3002\");\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u4e26\u5b89\u5168\u5730\u63d2\u5165\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OfLMxfPDyW\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528CSharp\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u4e26\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\u3002\u9019\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u57fa\u790e\uff0c\u7121\u8ad6\u662f\u67e5\u8a62\u3001\u63d2\u5165\u9084\u662f\u66f4\u65b0\u6578\u64da\uff0c\u90fd\u80fd\u5920\u6709\u6548\u5730\u5b8c\u6210\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\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\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2C#\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f\uff0c\u638c\u63e1\u6578\u64da\u5eab\u9023\u63a5\u3001\u67e5\u8a62\u548c\u6578\u64da\u64cd\u4f5c\u7684\u6280\u5de7\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-59643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59643","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=59643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59643\/revisions"}],"predecessor-version":[{"id":59644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59643\/revisions\/59644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}