<%@ Page Inherits="UploadImage.UploadImage" SRC="UpLoadImage.cs" Language="C#"%>
<HTML><title>上傳圖片</title>
<BODY bgcolor="#FFFFFF">
<FORM ENCTYPE="multipart/form-data" RUNAT="server" ID="Form1">
<TABLE RUNAT="server" WIDTH="700" ALIGN="left" ID="Table1" cellpadding="0" cellspacing="0" border="0">
<TR>
<TD>上傳圖片(選擇你要上傳的圖片)</TD>
<TD>
<INPUT TYPE="file" ID="UP_FILE" RUNAT="server" STYLE="Width:320" ACCEPT="text/*" NAME="UP_FILE">
</TD>
</TR>
<TR>
<TD>
文件說(shuō)明(添加上傳圖片說(shuō)明，如：作者、出處)
</TD>
<TD>
<asp:TextBox RUNAT="server" WIDTH="239" ID="txtDescription" MAINTAINSTATE="false" />
</TD>
</TR>
<TR>
<TD>
<asp:Label RUNAT="server" ID="txtMessage" FORECOLOR="red" MAINTAINSTATE="false" />
</TD>
<TD>
<asp:Button RUNAT="server" WIDTH="239" onCLICK="Button_Submit" TEXT="Upload Image" />
</TD>
</TR>
</TABLE>
</FORM>
</BODY>
</HTML>
using System;
using System.Web;
using System.IO;
using System.Data;
using System.Data.SqlClient;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace UploadImage
{
public class UploadImage : Page {
protected HtmlInputFile UP_FILE; //HtmlControl、WebControls控件對(duì)象
protected TextBox txtDescription;
protected Label txtMessage;
protected Int32 FileLength = 0; //記錄文件長(zhǎng)度變量
protected void Button_Submit(System.Object sender, System.EventArgs e) {
HttpPostedFile UpFile = UP_FILE.PostedFile; //HttpPostedFile對(duì)象，用于讀取圖象文件屬性
FileLength = UpFile.ContentLength; //記錄文件長(zhǎng)度
try {
if (FileLength == 0) { //文件長(zhǎng)度為零時(shí)
txtMessage.Text = "<b>請(qǐng)你選擇你要上傳的文件</b>";
} else {
Byte[] FileByteArray = new Byte[FileLength]; //圖象文件臨時(shí)儲(chǔ)存Byte數(shù)組
Stream StreamObject = UpFile.InputStream; //建立數(shù)據(jù)流對(duì)像
//讀取圖象文件數(shù)據(jù)，F(xiàn)ileByteArray為數(shù)據(jù)儲(chǔ)存體，0為數(shù)據(jù)指針位置、FileLnegth為數(shù)據(jù)長(zhǎng)度
StreamObject.Read(FileByteArray,0,FileLength);
//建立SQL Server鏈接
SqlConnection Con = new SqlConnection("Data Source=Localhost;Initial
Catalog=testdb;User ID=sa;Pwd=;");
String SqlCmd = "INSERT INTO ImageStore (ImageData, ImageContentType,
ImageDescription, ImageSize) valueS (@Image, @ContentType,
@ImageDescription, @ImageSize)";
SqlCommand CmdObj = new SqlCommand(SqlCmd, Con);
CmdObj.Parameters.Add("@Image",SqlDbType.Binary, FileLength).value =
FileByteArray;
CmdObj.Parameters.Add("@ContentType", SqlDbType.VarChar,50).value =
UpFile.ContentType; //記錄文件類型
//把其它單表數(shù)據(jù)記錄上傳
CmdObj.Parameters.Add("@ImageDescription", SqlDbType.VarChar,200).value =
txtDescription.Text;
//記錄文件長(zhǎng)度，讀取時(shí)使用
CmdObj.Parameters.Add("@ImageSize", SqlDbType.BigInt,8).value =
UpFile.ContentLength;
Con.Open();
CmdObj.ExecuteNonQuery();
Con.Close();
txtMessage.Text = "<p><b>OK!你已經(jīng)成功上傳你的圖片</b>";//提示上傳成功
}
} catch (Exception ex) {
txtMessage.Text = ex.Message.ToString();
}}}}
<html>
<body>
這個(gè)是從數(shù)據(jù)庫(kù)讀取出來(lái)的圖象：<img src="ReadImage.aspx?ImgID=1">
<body>
</html>
