1、在TOAD或SQLPlus中創建一下數據庫表。
1CREATE TABLE TEST_TABLE
2(
3 ID VARCHAR2(36 BYTE),
4 NAME VARCHAR2(50 BYTE),
5 PHOTO BLOB
6)
7
3、在btnSave的事件中執行一下代碼,用來保存圖片或文件:
保存圖片(文件)到Oracle
1StringBuilder sbSQL = new StringBuilder("insert into Test_Table(ID,Name,Photo) values(:ID,:Name,:Photo)");
2 OracleConnection cn = new OracleConnection(strCn);
3 OracleCommand cmd = cn.CreateCommand();
4 cmd.CommandText = sbSQL.ToString();
5 cmd.Parameters.Add(":ID", OracleType.VarChar, 36).Value = Guid.NewGuid().ToString();
6 cmd.Parameters.Add(":Name", OracleType.VarChar, 50).Value = fileUp.FileName; ;
7 int intLen = fileUp.PostedFile.ContentLength;
8 byte[] pic = new byte[intLen];
9 fileUp.PostedFile.InputStream.Read(pic, 0, intLen);
10 cmd.Parameters.Add(":Photo", OracleType.Blob).Value = pic;
11 try
12 {
13 cn.Open();
14 cmd.ExecuteNonQuery();
15 }
16 catch (Exception ex)
17 {
18 Response.Write(ex.Message);
19 }
20 finally
21 {
22 cn.Close();
23 }
24
從Oracle中讀取圖片(文件)
1OracleConnection cn = new OracleConnection(strCn);
2OracleCommand cmd = cn.CreateCommand();
3cmd.CommandText = "select photo from test_table";
4try
5{
6 cn.Open();
7 MemoryStream stream = new MemoryStream();
8 IDataReader reader = cmd.ExecuteReader();
9 if (reader.Read())
10 {
11 byte[] pic = (byte[])reader[0];
12 //byte[] pic = (byte[])cmd.ExecuteScalar();
13 stream.Write(pic, 0, pic.Length);
14 //Bitmap bitMap = new Bitmap(stream);
15 //Response.ContentType = "image/Jpeg";
16 //bitMap.Save(Response.OutputStream, ImageFormat.Jpeg);
17 //註釋部分可以將圖片顯示在IE中,而不是下載圖片,
18 //下面的方法直接下載文件
19 Response.ContentType = "application/octet-stream";
20 Response.AddHeader("Content-Disposition", "attachment;FileName= demo.JPG");
21 Response.BinaryWrite(pic);
22 Response.End();
23 }
24
25}
26catch (Exception ex)
27{
28 Response.Write(ex.Message);
29}
30finally
31{
32 cn.Close();
33}
34
http://www.cnblogs.com/weiweictgu/archive/2006/11/17/563761.html
參考示例 : http://www.5h6.com/article/28011.html