{"id":65605,"date":"2024-10-14T13:54:16","date_gmt":"2024-10-14T05:54:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/65605\/"},"modified":"2024-10-14T13:54:16","modified_gmt":"2024-10-14T05:54:16","slug":"mssql%e5%bf%ab%e9%80%9f%e6%a7%8b%e5%bb%bacrud%e6%87%89%e7%94%a8%ef%bc%88mssql-crud%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/65605\/","title":{"rendered":"MSSQL\u5feb\u901f\u69cb\u5efaCRUD\u61c9\u7528\uff08mssql crud\uff09"},"content":{"rendered":"<h1 id=\"mssql%e5%bf%ab%e9%80%9f%e6%a7%8b%e5%bb%bacrud%e6%87%89%e7%94%a8%ef%bc%88mssql-crud%ef%bc%89-hGSCscTuzH\">MSSQL\u5feb\u901f\u69cb\u5efaCRUD\u61c9\u7528\uff08mssql crud\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cCRUD\uff08\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u3001\u522a\u9664\uff09\u64cd\u4f5c\u662f\u4efb\u4f55\u61c9\u7528\u7a0b\u5e8f\u7684\u57fa\u790e\u3002\u7121\u8ad6\u662f\u7db2\u9801\u61c9\u7528\u9084\u662f\u79fb\u52d5\u61c9\u7528\uff0cCRUD\u64cd\u4f5c\u90fd\u662f\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u6838\u5fc3\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u5feb\u901f\u69cb\u5efa\u4e00\u500b\u7c21\u55ae\u7684CRUD\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afcrud%ef%bc%9f-hGSCscTuzH\">\u4ec0\u9ebc\u662fCRUD\uff1f<\/h2>\n<p>CRUD\u662f\u56db\u500b\u57fa\u672c\u64cd\u4f5c\u7684\u7e2e\u5beb\uff0c\u5206\u5225\u662f\uff1a<\/p>\n<ul>\n<li><strong>\u5275\u5efa\uff08Create\uff09<\/strong>\uff1a\u5411\u6578\u64da\u5eab\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u3002<\/li>\n<li><strong>\u8b80\u53d6\uff08Read\uff09<\/strong>\uff1a\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002<\/li>\n<li><strong>\u66f4\u65b0\uff08Update\uff09<\/strong>\uff1a\u4fee\u6539\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u522a\u9664\uff08Delete\uff09<\/strong>\uff1a\u5f9e\u6578\u64da\u5eab\u4e2d\u522a\u9664\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-hGSCscTuzH\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u5b89\u88ddMSSQL Server\u548cSQL Server Management Studio\uff08SSMS\uff09\u3002\u9019\u4e9b\u5de5\u5177\u5c07\u5e6b\u52a9\u60a8\u5275\u5efa\u6578\u64da\u5eab\u548c\u57f7\u884cSQL\u67e5\u8a62\u3002<\/p>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-hGSCscTuzH\">\u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<pre><code>CREATE DATABASE SampleDB;<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cUsers\u201d\u7684\u8868\uff1a<\/p>\n<pre><code>USE SampleDB;\n\nCREATE TABLE Users (\n    UserID INT PRIMARY KEY IDENTITY(1,1),\n    UserName NVARCHAR(50) NOT NULL,\n    Email NVARCHAR(100) NOT NULL,\n    CreatedAt DATETIME DEFAULT GETDATE()\n);<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%becrud%e6%93%8d%e4%bd%9c-hGSCscTuzH\">\u5be6\u73feCRUD\u64cd\u4f5c<\/h2>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%ef%bc%88create%ef%bc%89-hGSCscTuzH\">1. \u5275\u5efa\uff08Create\uff09<\/h3>\n<p>\u8981\u5411\u201cUsers\u201d\u8868\u4e2d\u63d2\u5165\u65b0\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO Users (UserName, Email) \nVALUES ('John Doe', 'john@example.com');<\/code><\/pre>\n<h3 id=\"2-%e8%ae%80%e5%8f%96%ef%bc%88read%ef%bc%89-hGSCscTuzH\">2. \u8b80\u53d6\uff08Read\uff09<\/h3>\n<p>\u8981\u6aa2\u7d22\u6240\u6709\u7528\u6236\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM Users;<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%ef%bc%88update%ef%bc%89-hGSCscTuzH\">3. \u66f4\u65b0\uff08Update\uff09<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u67d0\u500b\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE Users \nSET Email = 'john.doe@example.com' \nWHERE UserName = 'John Doe';<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%ef%bc%88delete%ef%bc%89-hGSCscTuzH\">4. \u522a\u9664\uff08Delete\uff09<\/h3>\n<p>\u8981\u522a\u9664\u67d0\u500b\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DELETE FROM Users \nWHERE UserName = 'John Doe';<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8ado-net%e9%80%b2%e8%a1%8ccrud%e6%93%8d%e4%bd%9c-hGSCscTuzH\">\u4f7f\u7528ADO.NET\u9032\u884cCRUD\u64cd\u4f5c<\/h2>\n<p>\u5728.NET\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ADO.NET\u4f86\u57f7\u884cCRUD\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>using System;\nusing System.Data.SqlClient;\n\nclass Program\n{\n    static void Main()\n    {\n        string connectionString = \"Server=your_server;Database=SampleDB;User Id=your_username;Password=your_password;\";\n        \n        using (SqlConnection connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n\n            \/\/ \u5275\u5efa\n            SqlCommand insertCommand = new SqlCommand(\"INSERT INTO Users (UserName, Email) VALUES ('Jane Doe', 'jane@example.com')\", connection);\n            insertCommand.ExecuteNonQuery();\n\n            \/\/ \u8b80\u53d6\n            SqlCommand selectCommand = new SqlCommand(\"SELECT * FROM Users\", connection);\n            SqlDataReader reader = selectCommand.ExecuteReader();\n            while (reader.Read())\n            {\n                Console.WriteLine($\"{reader[\"UserID\"]}, {reader[\"UserName\"]}, {reader[\"Email\"]}\");\n            }\n            reader.Close();\n\n            \/\/ \u66f4\u65b0\n            SqlCommand updateCommand = new SqlCommand(\"UPDATE Users SET Email = 'jane.doe@example.com' WHERE UserName = 'Jane Doe'\", connection);\n            updateCommand.ExecuteNonQuery();\n\n            \/\/ \u522a\u9664\n            SqlCommand deleteCommand = new SqlCommand(\"DELETE FROM Users WHERE UserName = 'Jane Doe'\", connection);\n            deleteCommand.ExecuteNonQuery();\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hGSCscTuzH\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528MSSQL\u5feb\u901f\u69cb\u5efaCRUD\u61c9\u7528\uff0c\u5305\u62ec\u5275\u5efa\u6578\u64da\u5eab\u3001\u8868\u4ee5\u53ca\u57f7\u884c\u57fa\u672c\u7684CRUD\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u4efb\u4f55\u6578\u64da\u9a45\u52d5\u61c9\u7528\u7684\u57fa\u790e\uff0c\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0c\u78ba\u4fdd\u9ad8\u6548\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MSSQL\u69cb\u5efaCRUD\u61c9\u7528\uff0c\u638c\u63e1\u6578\u64da\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u548c\u522a\u9664\u7684\u57fa\u672c\u64cd\u4f5c\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-65605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65605","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=65605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65605\/revisions"}],"predecessor-version":[{"id":65606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65605\/revisions\/65606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=65605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=65605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=65605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}