{"id":58045,"date":"2024-10-12T19:18:14","date_gmt":"2024-10-12T11:18:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58045\/"},"modified":"2024-10-12T19:18:14","modified_gmt":"2024-10-12T11:18:14","slug":"net%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b9%e6%a1%88%e8%88%87%e5%af%a6%e4%be%8b%e6%bc%94%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58045\/","title":{"rendered":".net\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u65b9\u6848\u8207\u5be6\u4f8b\u6f14\u793a"},"content":{"rendered":"<h1 id=\"net-%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b9%e6%a1%88%e8%88%87%e5%af%a6%e4%be%8b%e6%bc%94%e7%a4%ba-HDVhRNdhwZ\">.NET \u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u65b9\u6848\u8207\u5be6\u4f8b\u6f14\u793a<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0c.NET \u5e73\u53f0\u56e0\u5176\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7576\u958b\u767c\u8005\u9700\u8981\u5c07 .NET \u61c9\u7528\u7a0b\u5e8f\u8207 MySQL \u6578\u64da\u5eab\u9032\u884c\u9023\u63a5\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e .NET \u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u5e7e\u7a2e\u65b9\u6848\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f8b\u6f14\u793a\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-HDVhRNdhwZ\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Visual Studio\uff08\u5efa\u8b70\u4f7f\u7528\u6700\u65b0\u7248\u672c\uff09<\/li>\n<li>MySQL \u6578\u64da\u5eab\uff08\u53ef\u4ee5\u4f7f\u7528\u672c\u5730\u6216\u9060\u7a0b\u670d\u52d9\u5668\uff09<\/li>\n<li>MySQL Connector\/NET\uff08\u9019\u662f\u4e00\u500b .NET \u6578\u64da\u63d0\u4f9b\u7a0b\u5e8f\uff0c\u7528\u65bc\u9023\u63a5 MySQL \u6578\u64da\u5eab\uff09<\/li>\n<\/ul>\n<h2 id=\"2-%e5%ae%89%e8%a3%9d-mysql-connector-net-HDVhRNdhwZ\">2. \u5b89\u88dd MySQL Connector\/NET<\/h2>\n<p>\u8981\u5728 .NET \u4e2d\u4f7f\u7528 MySQL\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd MySQL Connector\/NET\u3002\u53ef\u4ee5\u901a\u904e NuGet \u5305\u7ba1\u7406\u5668\u4f86\u5b89\u88dd\uff1a<\/p>\n<pre><code>Install-Package MySql.Data<\/code><\/pre>\n<p>\u9019\u5c07\u81ea\u52d5\u4e0b\u8f09\u4e26\u5b89\u88dd\u6240\u9700\u7684\u5eab\uff0c\u8b93\u60a8\u80fd\u5920\u5728\u9805\u76ee\u4e2d\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"3-%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-HDVhRNdhwZ\">3. \u9023\u63a5 MySQL \u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 .NET \u4e2d\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>using MySql.Data.MySqlClient;\n\nstring connectionString = \"Server=localhost;Database=testdb;User ID=root;Password=yourpassword;\";\n\nusing (MySqlConnection conn = new MySqlConnection(connectionString))\n{\n    try\n    {\n        conn.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\u60a8\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u4fee\u6539\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u7684\u53c3\u6578\uff0c\u4f8b\u5982\u670d\u52d9\u5668\u5730\u5740\u3001\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n<h2 id=\"4-%e5%9f%b7%e8%a1%8c-sql-%e6%9f%a5%e8%a9%a2-HDVhRNdhwZ\">4. \u57f7\u884c SQL \u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string query = \"SELECT * FROM users\";\nMySqlCommand cmd = new MySqlCommand(query, conn);\n\nusing (MySqlDataReader reader = cmd.ExecuteReader())\n{\n    while (reader.Read())\n    {\n        Console.WriteLine(\"\u7528\u6236\u540d: \" + reader[\"username\"]);\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500b\u7c21\u55ae\u7684 SELECT \u67e5\u8a62\uff0c\u4e26\u5c07\u7d50\u679c\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<h2 id=\"5-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e7%a4%ba%e4%be%8b-HDVhRNdhwZ\">5. \u63d2\u5165\u6578\u64da\u793a\u4f8b<\/h2>\n<p>\u9664\u4e86\u67e5\u8a62\u6578\u64da\uff0c\u60a8\u9084\u53ef\u4ee5\u5411\u6578\u64da\u5eab\u63d2\u5165\u65b0\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string insertQuery = \"INSERT INTO users (username, password) VALUES (@username, @password)\";\nMySqlCommand insertCmd = new MySqlCommand(insertQuery, conn);\ninsertCmd.Parameters.AddWithValue(\"@username\", \"newuser\");\ninsertCmd.Parameters.AddWithValue(\"@password\", \"newpassword\");\n\nint rowsAffected = insertCmd.ExecuteNonQuery();\nConsole.WriteLine(\"\u63d2\u5165\u4e86 \" + rowsAffected + \" \u884c\u6578\u64da\u3002\");<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\uff0c\u4e26\u5b89\u5168\u5730\u63d2\u5165\u6578\u64da\u3002<\/p>\n<h2 id=\"6-%e7%b8%bd%e7%b5%90-HDVhRNdhwZ\">6. \u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 .NET \u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5305\u62ec\u74b0\u5883\u6e96\u5099\u3001\u5b89\u88dd MySQL Connector\/NET\u3001\u9023\u63a5\u6578\u64da\u5eab\u3001\u57f7\u884c\u67e5\u8a62\u548c\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\u3002\u9019\u4e9b\u77e5\u8b58\u5c0d\u65bc\u958b\u767c\u57fa\u65bc .NET \u7684\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22.NET\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u65b9\u6848\u8207\u5be6\u4f8b\u6f14\u793a\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u6574\u5408\u6578\u64da\u5eab\u8207\u61c9\u7528\u7a0b\u5f0f\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-58045","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58045","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=58045"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58045\/revisions"}],"predecessor-version":[{"id":58046,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58045\/revisions\/58046"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}