{"id":196301,"date":"2024-11-13T22:06:33","date_gmt":"2024-11-13T14:06:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196301\/"},"modified":"2024-11-13T22:06:34","modified_gmt":"2024-11-13T14:06:34","slug":"%e6%ad%a3%e7%a2%ba%e8%a8%aa%e5%95%8fmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%a8-net%e7%92%b0%e5%a2%83%e4%b8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196301\/","title":{"rendered":"\u6b63\u78ba\u8a2a\u554fMySQL\u6578\u64da\u5eab\u5728.NET\u74b0\u5883\u4e0b"},"content":{"rendered":"<h1 id=\"%e6%ad%a3%e7%a2%ba%e8%a8%aa%e5%95%8fmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%a8-net%e7%92%b0%e5%a2%83%e4%b8%8b-FIAjDJtDSE\">\u6b63\u78ba\u8a2a\u554fMySQL\u6578\u64da\u5eab\u5728.NET\u74b0\u5883\u4e0b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cMySQL\u6578\u64da\u5eab\u56e0\u5176\u958b\u6e90\u7279\u6027\u548c\u9ad8\u6548\u6027\u80fd\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u5c0d\u65bc\u4f7f\u7528.NET\u6846\u67b6\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u6b63\u78ba\u5730\u8a2a\u554fMySQL\u6578\u64da\u5eab\u662f\u69cb\u5efa\u7a69\u5b9a\u548c\u9ad8\u6548\u61c9\u7528\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728.NET\u74b0\u5883\u4e0b\u8a2a\u554fMySQL\u6578\u64da\u5eab\u7684\u6b63\u78ba\u65b9\u6cd5\uff0c\u5305\u62ec\u5fc5\u8981\u7684\u5de5\u5177\u3001\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u914d\u7f6e\u4ee5\u53ca\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-FIAjDJtDSE\">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\u5de5\u5177\uff1a<\/p>\n<ul>\n<li><strong>MySQL Server\uff1a<\/strong>\u78ba\u4fdd\u60a8\u7684\u7cfb\u7d71\u4e2d\u5df2\u5b89\u88ddMySQL Server\uff0c\u4e26\u4e14\u53ef\u4ee5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li><strong>MySQL Connector\/NET\uff1a<\/strong>\u9019\u662f\u4e00\u500b.NET\u7684\u6578\u64da\u63d0\u4f9b\u7a0b\u5e8f\uff0c\u5141\u8a31.NET\u61c9\u7528\u7a0b\u5e8f\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u60a8\u53ef\u4ee5\u5f9eMySQL\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u4e26\u5b89\u88dd\u3002<\/li>\n<li><strong>Visual Studio\uff1a<\/strong>\u4f5c\u70ba\u958b\u767c\u74b0\u5883\uff0cVisual Studio\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u7de8\u5beb\u548c\u8abf\u8a66.NET\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e9%85%8d%e7%bd%ae%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-FIAjDJtDSE\">2. \u914d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n<p>\u5728.NET\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9023\u63a5\u5b57\u7b26\u4e32\u662f\u7528\u4f86\u6307\u5b9a\u5982\u4f55\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u793a\u4f8b\uff1a<\/p>\n<pre><code>Server=localhost;Database=mydatabase;User ID=myusername;Password=mypassword;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u60a8\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>Server\uff1a<\/strong>\u6578\u64da\u5eab\u4f3a\u670d\u5668\u7684\u5730\u5740\uff0c\u901a\u5e38\u662flocalhost\u3002<\/li>\n<li><strong>Database\uff1a<\/strong>\u8981\u8a2a\u554f\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/li>\n<li><strong>User ID\uff1a<\/strong>\u7528\u65bc\u9023\u63a5\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u3002<\/li>\n<li><strong>Password\uff1a<\/strong>\u7528\u6236\u7684\u5bc6\u78bc\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8mysql-connector-net%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-FIAjDJtDSE\">3. \u4f7f\u7528MySQL Connector\/NET\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<p>\u5728\u914d\u7f6e\u597d\u9023\u63a5\u5b57\u7b26\u4e32\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528MySQL Connector\/NET\u4f86\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728C#\u4e2d\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n<pre><code>using MySql.Data.MySqlClient;\n\nstring connectionString = \"Server=localhost;Database=mydatabase;User ID=myusername;Password=mypassword;\";\nusing (MySqlConnection conn = new MySqlConnection(connectionString))\n{\n    conn.Open();\n    string query = \"SELECT * FROM mytable\";\n    MySqlCommand cmd = new MySqlCommand(query, conn);\n    using (MySqlDataReader reader = cmd.ExecuteReader())\n    {\n        while (reader.Read())\n        {\n            Console.WriteLine(reader[\"column_name\"].ToString());\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500bMySqlConnection\u5c0d\u8c61\uff0c\u7136\u5f8c\u6253\u958b\u9023\u63a5\u3002\u63a5\u8457\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500b\u7c21\u55ae\u7684SELECT\u67e5\u8a62\uff0c\u4e26\u4f7f\u7528MySqlDataReader\u4f86\u8b80\u53d6\u7d50\u679c\u3002<\/p>\n<h2 id=\"4-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-FIAjDJtDSE\">4. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-catch\u8a9e\u53e5\u4f86\u6355\u7372\u53ef\u80fd\u767c\u751f\u7684\u7570\u5e38\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff1a<\/p>\n<pre><code>try\n{\n    \/\/ \u6578\u64da\u5eab\u64cd\u4f5c\u4ee3\u78bc\n}\ncatch (MySqlException ex)\n{\n    Console.WriteLine(\"MySQL\u932f\u8aa4: \" + ex.Message);\n}\ncatch (Exception ex)\n{\n    Console.WriteLine(\"\u5176\u4ed6\u932f\u8aa4: \" + ex.Message);\n}<\/code><\/pre>\n<h2 id=\"5-%e7%b8%bd%e7%b5%90-FIAjDJtDSE\">5. \u7e3d\u7d50<\/h2>\n<p>\u5728.NET\u74b0\u5883\u4e0b\u6b63\u78ba\u8a2a\u554fMySQL\u6578\u64da\u5eab\u9700\u8981\u9069\u7576\u7684\u5de5\u5177\u548c\u914d\u7f6e\u3002\u901a\u904e\u4f7f\u7528MySQL Connector\/NET\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u57f7\u884c\u5404\u7a2e\u6578\u64da\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u3001\u63d2\u5165\u9084\u662f\u66f4\u65b0\u6578\u64da\uff0c\u6b63\u78ba\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u548c\u932f\u8aa4\u8655\u7406\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\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\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728.NET\u74b0\u5883\u4e2d\u6b63\u78ba\u8a2a\u554fMySQL\u6578\u64da\u5eab\uff0c\u638c\u63e1\u9023\u63a5\u3001\u67e5\u8a62\u548c\u6578\u64da\u64cd\u4f5c\u7684\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-196301","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196301","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=196301"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196301\/revisions"}],"predecessor-version":[{"id":196302,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196301\/revisions\/196302"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}