{"id":193975,"date":"2024-11-13T02:43:21","date_gmt":"2024-11-12T18:43:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193975\/"},"modified":"2024-11-13T02:43:23","modified_gmt":"2024-11-12T18:43:23","slug":"%e4%b8%80%e5%80%8bc%e5%90%91sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%9d%e5%ad%98%e5%9c%96%e7%89%87%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193975\/","title":{"rendered":"\u4e00\u500bC#\u5411SQL Server\u6578\u64da\u5eab\u4fdd\u5b58\u5716\u7247\u7684\u4ee3\u78bc\u5be6\u4f8b"},"content":{"rendered":"<h1 id=\"%e4%b8%80%e5%80%8bc%e5%90%91sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%9d%e5%ad%98%e5%9c%96%e7%89%87%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e4%be%8b-CDgpquapoa\">\u4e00\u500bC#\u5411SQL Server\u6578\u64da\u5eab\u4fdd\u5b58\u5716\u7247\u7684\u4ee3\u78bc\u5be6\u4f8b<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u5c07\u5716\u7247\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u9019\u4e0d\u50c5\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u66f4\u597d\u5730\u7ba1\u7406\u548c\u6aa2\u7d22\u5716\u7247\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528C#\u5c07\u5716\u7247\u4fdd\u5b58\u5230SQL Server\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u5177\u9ad4\u7684\u4ee3\u78bc\u5be6\u4f8b\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-CDgpquapoa\">\u6e96\u5099\u5de5\u4f5c<\/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\u6216\u5176\u4ed6C#\u958b\u767c\u74b0\u5883\uff09<\/li>\n<li>SQL Server\u6578\u64da\u5eab<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728SQL Server\u4e2d\u5275\u5efa\u4e00\u500b\u8868\u4f86\u5b58\u5132\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u8868\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE TABLE Images (\n    Id INT PRIMARY KEY IDENTITY(1,1),\n    ImageData VARBINARY(MAX),\n    ImageName NVARCHAR(100)\n);\n<\/code><\/pre>\n<h2 id=\"%e4%bb%a3%e7%a2%bc%e5%af%a6%e7%8f%be-CDgpquapoa\">\u4ee3\u78bc\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5c07\u5716\u7247\u4fdd\u5b58\u5230SQL Server\u6578\u64da\u5eab\u7684C#\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nusing System;\nusing System.Data.SqlClient;\nusing System.IO;\n\nclass Program\n{\n    static void Main()\n    {\n        string connectionString = \"your_connection_string_here\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u9023\u63a5\u5b57\u7b26\u4e32\n        string imagePath = \"path_to_your_image.jpg\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u5716\u7247\u8def\u5f91\n\n        \/\/ \u8b80\u53d6\u5716\u7247\u4e26\u8f49\u63db\u70ba\u5b57\u7bc0\u6578\u7d44\n        byte[] imageData = File.ReadAllBytes(imagePath);\n        string imageName = Path.GetFileName(imagePath);\n\n        \/\/ \u5c07\u5716\u7247\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\n        using (SqlConnection connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n            string query = \"INSERT INTO Images (ImageData, ImageName) VALUES (@ImageData, @ImageName)\";\n            using (SqlCommand command = new SqlCommand(query, connection))\n            {\n                command.Parameters.AddWithValue(\"@ImageData\", imageData);\n                command.Parameters.AddWithValue(\"@ImageName\", imageName);\n                command.ExecuteNonQuery();\n            }\n        }\n\n        Console.WriteLine(\"\u5716\u7247\u5df2\u6210\u529f\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\u3002\");\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e4%bb%a3%e7%a2%bc%e8%a7%a3%e6%9e%90-CDgpquapoa\">\u4ee3\u78bc\u89e3\u6790<\/h2>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u548c\u5716\u7247\u7684\u8def\u5f91\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528 <code>File.ReadAllBytes<\/code> \u65b9\u6cd5\u5c07\u5716\u7247\u8b80\u53d6\u70ba\u5b57\u7bc0\u6578\u7d44\u3002\u7136\u5f8c\uff0c\u6211\u5011\u5efa\u7acb\u8207SQL Server\u7684\u9023\u63a5\uff0c\u4e26\u4f7f\u7528 <code>SqlCommand<\/code> \u5c07\u5716\u7247\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u9019\u662f\u4e00\u500b\u826f\u597d\u7684\u5b89\u5168\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%aa%a2%e7%b4%a2%e5%9c%96%e7%89%87-CDgpquapoa\">\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247<\/h2>\n<p>\u9664\u4e86\u4fdd\u5b58\u5716\u7247\uff0c\u60a8\u53ef\u80fd\u9084\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u6aa2\u7d22\u5716\u7247\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nusing System;\nusing System.Data.SqlClient;\nusing System.IO;\n\nclass Program\n{\n    static void Main()\n    {\n        string connectionString = \"your_connection_string_here\"; \/\/ \u66ff\u63db\u70ba\u60a8\u7684\u9023\u63a5\u5b57\u7b26\u4e32\n        int imageId = 1; \/\/ \u66ff\u63db\u70ba\u60a8\u8981\u6aa2\u7d22\u7684\u5716\u7247ID\n\n        using (SqlConnection connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n            string query = \"SELECT ImageData, ImageName FROM Images WHERE Id = @Id\";\n            using (SqlCommand command = new SqlCommand(query, connection))\n            {\n                command.Parameters.AddWithValue(\"@Id\", imageId);\n                using (SqlDataReader reader = command.ExecuteReader())\n                {\n                    if (reader.Read())\n                    {\n                        byte[] imageData = (byte[])reader[\"ImageData\"];\n                        string imageName = reader[\"ImageName\"].ToString();\n\n                        \/\/ \u5c07\u5716\u7247\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\n                        File.WriteAllBytes(imageName, imageData);\n                        Console.WriteLine(\"\u5716\u7247\u5df2\u6210\u529f\u6aa2\u7d22\u4e26\u4fdd\u5b58\u5230\u672c\u5730\u3002\");\n                    }\n                }\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CDgpquapoa\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u7684\u4ee3\u78bc\u793a\u4f8b\uff0c\u6211\u5011\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528C#\u5c07\u5716\u7247\u4fdd\u5b58\u5230SQL Server\u6578\u64da\u5eab\u4e2d\uff0c\u4ee5\u53ca\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\u3002\u9019\u4e9b\u6280\u8853\u5728\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u7ba1\u7406\u5927\u91cf\u5716\u7247\u7684\u60c5\u6cc1\u4e0b\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\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C#\u5c07\u5716\u7247\u4fdd\u5b58\u5230SQL Server\u6578\u64da\u5eab\u7684\u4ee3\u78bc\u5be6\u4f8b\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u8207\u5b58\u5132\u904e\u7a0b\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-193975","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193975","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=193975"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193975\/revisions"}],"predecessor-version":[{"id":193976,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193975\/revisions\/193976"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}