{"id":59377,"date":"2024-10-12T21:35:17","date_gmt":"2024-10-12T13:35:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59377\/"},"modified":"2024-10-12T21:35:17","modified_gmt":"2024-10-12T13:35:17","slug":"asp-net%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e5%90%88%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e8%88%87%e8%99%95%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59377\/","title":{"rendered":"ASP.NET\u8207\u6578\u64da\u5eab\u7d50\u5408\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132\u8207\u8655\u7406 (\u6578\u64da\u5eab\u8207asp.net)"},"content":{"rendered":"

ASP.NET\u8207\u6578\u64da\u5eab\u7d50\u5408\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132\u8207\u8655\u7406<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cASP.NET\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6846\u67b6\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u69cb\u5efa\u52d5\u614b\u7db2\u7ad9\u548cWeb\u61c9\u7528\u7a0b\u5e8f\u3002\u7576\u8207\u6578\u64da\u5eab\u7d50\u5408\u4f7f\u7528\u6642\uff0cASP.NET\u80fd\u5920\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u8207\u8655\u7406\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eASP.NET\u8207\u6578\u64da\u5eab\u7684\u7d50\u5408\u65b9\u5f0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

ASP.NET\u8207\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

ASP.NET\u662f\u4e00\u500b\u7531\u5fae\u8edf\u958b\u767c\u7684Web\u61c9\u7528\u7a0b\u5e8f\u6846\u67b6\uff0c\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5982C#\u548cVB.NET\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u4f7f\u7528.NET\u6280\u8853\u4f86\u5275\u5efa\u52d5\u614b\u7db2\u7ad9\u548cWeb\u61c9\u7528\u7a0b\u5e8f\u3002\u6578\u64da\u5eab\u5247\u662f\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u7cfb\u7d71\uff0c\u5e38\u898b\u7684\u6578\u64da\u5eab\u5305\u62ecSQL Server\u3001MySQL\u548cPostgreSQL\u7b49\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n

\u5728ASP.NET\u4e2d\uff0c\u9023\u63a5\u6578\u64da\u5eab\u901a\u5e38\u4f7f\u7528ADO.NET\u6216Entity Framework\u3002ADO.NET\u662f\u4e00\u500b\u4f4e\u5c64\u6b21\u7684\u6578\u64da\u8a2a\u554f\u6280\u8853\uff0c\u800cEntity Framework\u5247\u662f\u4e00\u500b\u9ad8\u5c64\u6b21\u7684ORM\uff08\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff09\u6846\u67b6\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n

\u4f7f\u7528ADO.NET\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n
\nusing System;\nusing System.Data.SqlClient;\n\nclass Program\n{\n    static void Main()\n    {\n        string connectionString = \"Data Source=server;Initial Catalog=database;User ID=user;Password=password\";\n        using (SqlConnection connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n            SqlCommand command = new SqlCommand(\"SELECT * FROM Users\", connection);\n            SqlDataReader reader = command.ExecuteReader();\n            while (reader.Read())\n            {\n                Console.WriteLine(reader[\"Username\"]);\n            }\n        }\n    }\n}\n<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528ADO.NET\u9023\u63a5\u5230SQL Server\u6578\u64da\u5eab\uff0c\u4e26\u67e5\u8a62\u7528\u6236\u8868\u4e2d\u7684\u6578\u64da\u3002<\/p>\n
\u4f7f\u7528Entity Framework\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n
\nusing System;\nusing System.Linq;\n\nclass Program\n{\n    static void Main()\n    {\n        using (var context = new MyDbContext())\n        {\n            var users = context.Users.ToList();\n            foreach (var user in users)\n            {\n                Console.WriteLine(user.Username);\n            }\n        }\n    }\n}\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Entity Framework\u4f86\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u7528\u6236\u4fe1\u606f\uff0c\u4ee3\u78bc\u66f4\u52a0\u7c21\u6f54\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/p>\n
\u6578\u64da\u5b58\u5132\u8207\u8655\u7406<\/h2>\n
\u5728ASP.NET\u4e2d\uff0c\u6578\u64da\u7684\u5b58\u5132\u548c\u8655\u7406\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u9032\u884c\u76f4\u63a5\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528LINQ\uff08\u8a9e\u8a00\u96c6\u6210\u67e5\u8a62\uff09\u4f86\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/p>\n
\u4f7f\u7528SQL\u8a9e\u53e5\u9032\u884c\u6578\u64da\u64cd\u4f5c<\/h3>\n
\nusing (var connection = new SqlConnection(connectionString))\n{\n    connection.Open();\n    var command = new SqlCommand(\"INSERT INTO Users (Username) VALUES (@username)\", connection);\n    command.Parameters.AddWithValue(\"@username\", \"newUser\");\n    command.ExecuteNonQuery();\n}\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u5c07\u65b0\u7528\u6236\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n
\u4f7f\u7528LINQ\u9032\u884c\u6578\u64da\u64cd\u4f5c<\/h3>\n
\nvar newUser = new User { Username = \"newUser\" };\ncontext.Users.Add(newUser);\ncontext.SaveChanges();\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528LINQ\u5c07\u65b0\u7528\u6236\u6dfb\u52a0\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u9019\u7a2e\u65b9\u5f0f\u66f4\u52a0\u76f4\u89c0\u4e14\u6613\u65bc\u7406\u89e3\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
ASP.NET\u8207\u6578\u64da\u5eab\u7684\u7d50\u5408\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u5b58\u5132\u8207\u8655\u7406\u80fd\u529b\u3002\u7121\u8ad6\u662f\u4f7f\u7528ADO.NET\u9084\u662fEntity Framework\uff0c\u958b\u767c\u8005\u90fd\u80fd\u5920\u9748\u6d3b\u5730\u64cd\u4f5c\u6578\u64da\uff0c\u6eff\u8db3\u5404\u7a2e\u61c9\u7528\u9700\u6c42\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u9019\u7a2e\u7d50\u5408\u5c07\u6703\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u4fbf\u6377\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684ASP.NET\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u6700\u4f73\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22ASP.NET\u8207\u6578\u64da\u5eab\u7684\u7d50\u5408\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132\u8207\u8655\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-59377","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59377","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=59377"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59377\/revisions"}],"predecessor-version":[{"id":59378,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59377\/revisions\/59378"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}