怎样用ADO读出Oracle8i的BLOB字段类型里图象?
我遇到用VBScript编写ASP的难题:设计者将图象文件存在Oracle8i的BLOB字段类型里,我想用ADO把它读出来显示在网页上,以前我用读块的方法读出来字段类型为Long Raw过,但是对BLOB类型就不行了,急待解决,万分感谢!!以前代码如下:
<%@language="vbscript"%>
<%
response.expires=0
response.buffer=true
response.contenttype="image/gif"
session("sql")="select * from table"
set conn=server.createobject("adodb.connection")
conn.Open("data source=ss;user id=ss;password=ss;")
set rs=server.createobject("adodb.recordset")
rs.open session("sql"),conn,adopendynamic,3
set txField = rs.Fields("tx")
Response.BinaryWrite txField.GetChunk(32000)
Response.BinaryWrite txField.GetChunk(32000)
Response.BinaryWrite txField.GetChunk(32000)
Response.End
rs.Close
Set rs = nothing
Conn.Close
Set Conn = nothing
%>