{"id":59435,"date":"2024-10-12T22:00:17","date_gmt":"2024-10-12T14:00:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59435\/"},"modified":"2024-10-12T22:00:17","modified_gmt":"2024-10-12T14:00:17","slug":"asp%e7%b6%b2%e9%a0%81%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e4%b8%8a%e5%82%b3%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%99%e7%a8%8b-asp%e4%b8%8a%e5%82%b3%e7%85%a7%e7%89%87%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59435\/","title":{"rendered":"ASP\u7db2\u9801\u5be6\u73fe\u5716\u7247\u4e0a\u50b3\u5230\u6578\u64da\u5eab\u6559\u7a0b (asp\u4e0a\u50b3\u7167\u7247\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"asp%e7%b6%b2%e9%a0%81%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e4%b8%8a%e5%82%b3%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%99%e7%a8%8b-asp%e4%b8%8a%e5%82%b3%e7%85%a7%e7%89%87%e6%95%b8%e6%93%9a%e5%ba%ab-NAMqEuBHJj\">ASP\u7db2\u9801\u5be6\u73fe\u5716\u7247\u4e0a\u50b3\u5230\u6578\u64da\u5eab\u6559\u7a0b (asp\u4e0a\u50b3\u7167\u7247\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u5716\u7247\u4e0a\u50b3\u529f\u80fd\u662f\u8a31\u591a\u61c9\u7528\u7a0b\u5f0f\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u9084\u662f\u500b\u4eba\u535a\u5ba2\uff0c\u5716\u7247\u4e0a\u50b3\u90fd\u80fd\u589e\u5f37\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528ASP.NET\u5be6\u73fe\u5716\u7247\u4e0a\u50b3\u4e26\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-NAMqEuBHJj\">\u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u5df2\u7d93\u8a2d\u7f6e\u597d\u3002\u4ee5\u4e0b\u662f\u60a8\u9700\u8981\u7684\u57fa\u672c\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>Visual Studio\uff08\u5efa\u8b70\u4f7f\u7528\u6700\u65b0\u7248\u672c\uff09<\/li>\n<li>SQL Server\uff08\u53ef\u4f7f\u7528\u672c\u5730\u6216\u96f2\u7aef\u6578\u64da\u5eab\uff09<\/li>\n<li>ASP.NET Web\u61c9\u7528\u7a0b\u5f0f<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-NAMqEuBHJj\">\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728SQL Server\u4e2d\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u548c\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    UploadDate DATETIME DEFAULT GETDATE()\n);\n<\/code><\/pre>\n<p>\u9019\u500b\u8868\u5305\u542b\u56db\u500b\u5b57\u6bb5\uff1aId\uff08\u81ea\u589e\u4e3b\u9375\uff09\u3001ImageData\uff08\u5b58\u5132\u5716\u7247\u7684\u4e8c\u9032\u5236\u6578\u64da\uff09\u3001ImageName\uff08\u5716\u7247\u540d\u7a31\uff09\u548cUploadDate\uff08\u4e0a\u50b3\u65e5\u671f\uff09\u3002<\/p>\n<h2 id=\"asp-net%e5%9c%96%e7%89%87%e4%b8%8a%e5%82%b3%e8%a1%a8%e5%96%ae-NAMqEuBHJj\">ASP.NET\u5716\u7247\u4e0a\u50b3\u8868\u55ae<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500bHTML\u8868\u55ae\u4f86\u5141\u8a31\u7528\u6236\u4e0a\u50b3\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4e0a\u50b3\u8868\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n&lt;form id=\"form1\" runat=\"server\" enctype=\"multipart\/form-data\"&gt;\n    &lt;input type=\"file\" id=\"fileUpload\" runat=\"server\" \/&gt;\n    &lt;input type=\"submit\" value=\"\u4e0a\u50b3\" \/&gt;\n&lt;\/form&gt;\n<\/code><\/pre>\n<h2 id=\"%e8%99%95%e7%90%86%e5%9c%96%e7%89%87%e4%b8%8a%e5%82%b3-NAMqEuBHJj\">\u8655\u7406\u5716\u7247\u4e0a\u50b3<\/h2>\n<p>\u5728ASP.NET\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u8655\u7406\u5716\u7247\u4e0a\u50b3\u4e26\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n<pre><code>\nprotected void Page_Load(object sender, EventArgs e)\n{\n    if (IsPostBack)\n    {\n        if (fileUpload.HasFile)\n        {\n            byte[] imageData = null;\n            using (Stream fs = fileUpload.PostedFile.InputStream)\n            {\n                using (BinaryReader br = new BinaryReader(fs))\n                {\n                    imageData = br.ReadBytes((int)fs.Length);\n                }\n            }\n\n            string imageName = Path.GetFileName(fileUpload.FileName);\n            SaveImageToDatabase(imageData, imageName);\n        }\n    }\n}\n\nprivate void SaveImageToDatabase(byte[] imageData, string imageName)\n{\n    string connectionString = \"your_connection_string_here\";\n    using (SqlConnection con = new SqlConnection(connectionString))\n    {\n        string query = \"INSERT INTO Images (ImageData, ImageName) VALUES (@ImageData, @ImageName)\";\n        using (SqlCommand cmd = new SqlCommand(query, con))\n        {\n            cmd.Parameters.AddWithValue(\"@ImageData\", imageData);\n            cmd.Parameters.AddWithValue(\"@ImageName\", imageName);\n            con.Open();\n            cmd.ExecuteNonQuery();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e9%a1%af%e7%a4%ba%e4%b8%8a%e5%82%b3%e7%9a%84%e5%9c%96%e7%89%87-NAMqEuBHJj\">\u986f\u793a\u4e0a\u50b3\u7684\u5716\u7247<\/h2>\n<p>\u70ba\u4e86\u986f\u793a\u4e0a\u50b3\u7684\u5716\u7247\uff0c\u60a8\u53ef\u4ee5\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\u6578\u64da\u4e26\u5c07\u5176\u986f\u793a\u5728\u7db2\u9801\u4e0a\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nprotected void Page_Load(object sender, EventArgs e)\n{\n    if (!IsPostBack)\n    {\n        LoadImages();\n    }\n}\n\nprivate void LoadImages()\n{\n    string connectionString = \"your_connection_string_here\";\n    using (SqlConnection con = new SqlConnection(connectionString))\n    {\n        string query = \"SELECT ImageData, ImageName FROM Images\";\n        using (SqlCommand cmd = new SqlCommand(query, con))\n        {\n            con.Open();\n            SqlDataReader reader = cmd.ExecuteReader();\n            while (reader.Read())\n            {\n                byte[] imageData = (byte[])reader[\"ImageData\"];\n                string imageName = reader[\"ImageName\"].ToString();\n                string base64String = Convert.ToBase64String(imageData, 0, imageData.Length);\n                Image img = new Image();\n                img.ImageUrl = \"data:image\/png;base64,\" + base64String;\n                img.AlternateText = imageName;\n                img.Width = 200; \/\/ \u8a2d\u5b9a\u5716\u7247\u5bec\u5ea6\n                img.Height = 200; \/\/ \u8a2d\u5b9a\u5716\u7247\u9ad8\u5ea6\n                ImagePanel.Controls.Add(img); \/\/ \u5047\u8a2d\u6709\u4e00\u500bPanel\u7528\u4f86\u986f\u793a\u5716\u7247\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NAMqEuBHJj\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728ASP.NET\u61c9\u7528\u7a0b\u5f0f\u4e2d\u5be6\u73fe\u5716\u7247\u4e0a\u50b3\u529f\u80fd\u4e26\u5c07\u5176\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u70ba\u60a8\u7684\u7db2\u7ad9\u589e\u6dfb\u66f4\u591a\u7684\u4e92\u52d5\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u4f86\u904b\u884c\u60a8\u7684ASP.NET\u61c9\u7528\u7a0b\u5f0f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u7db2\u7ad9\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528ASP\u5be6\u73fe\u5716\u7247\u4e0a\u50b3\u5230\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6559\u7a0b\uff0c\u8f15\u9b06\u638c\u63e1\u4e0a\u50b3\u7167\u7247\u7684\u6280\u5de7\u8207\u6b65\u9a5f\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-59435","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59435","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=59435"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59435\/revisions"}],"predecessor-version":[{"id":59436,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59435\/revisions\/59436"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}