[求助]asp无组件上传然后显示图片时候显示小红叉的问题
											基本上按照smth精华区的方法来模仿的 
但是在显示图片的时候只有个小红叉 
真的是很郁闷 
调试好久都没有找到错误,盼各位大侠赐教! 
把几个文件贴出来: 
select.htm :选择需要上传图片页面 
upload.asp :图片上传的处理页面,放到数据库,这个和例子基本一样的 
showpic.asp:从数据库读出图片 
pic.htm    :显示,就是在这里显示的是红色小叉:( 
数据库表 因为只是为了验证程序核心所以比较简单 
                     baseinfo 
        IDNum(primary key)            长整型 
 Pic                           OLE对象 
-----------------------selectpic.htm---------- 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>selectpic</title> 
</head> 
<body> 
<form action="upload.asp" method="post" enctype="multipart/form-data" name="form1"> 
 <table width="500" border="0" align="center"> 
   <tr> 
     <td bgcolor="#6666FF"> 
<div align="center"><font size="4">上传图片(*.bmp,*.jpeg,*.gif)</font></div></td> 
   </tr> 
   <tr> 
     <td><div align="center"> 
         <input type="file" name="file"> 
       </div></td> 
   </tr> 
   <tr> 
     <td><div align="center"> 
         <input type="submit" name="Submit" value="上传"> 
         <input name="reset" type="reset" id="reset" value="重置"> 
       </div></td> 
   </tr> 
 </table> 
</form> 
</body> 
</html> 
------------------------upload.asp- 
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> 
<% 
response.Buffer=true 
formsize=request.TotalBytes 
formdata=request.BinaryRead(formsize) 
bncrlf=chrb(13)&chrb(10) 
divider=leftb(formdata,clng(instrb(formdata,bncrlf))-1) 
datastart=instrb(formdata,bncrlf&bncrlf)+4 
dataend=instrb(datastart+1,formdata,divider)-datastart 
varvalue=midb(formdata,datastart,dataend) 
dim objconn 
set objconn=server.CreateObject("adodb.connection") 
objconn.connectionstring="provider=microsoft.jet.oledb.4.0;"&_ 
                                          "data source="&server.MapPath("personalinfo.mdb") 
objconn.open 
dim objrs 
set objrs=server.CreateObject("adodb.recordset") 
objrs.open "baseinfo",objconn,1,3 
objrs.addnew 
objrs("IDNum")=2002 
objrs("Pic").appendchunk varvalue 
objrs.update 
objrs.close 
set objrs=nothing 
objconn.close 
set objconn=nothing 
            
%> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>upload</title> 
</head> 
<body> 
</body> 
</html> 
-------------------------pic.htm----- 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>pic</title> 
</head> 
<body> 
<img src="showpic.asp?ID=2002" > <img src="warning.gif" width="40" height="40"> 
</body> 
</html> 
-------------showpic.asp 
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> 
<% 
dim objconn 
set objconn=server.CreateObject("adodb.connection") 
objconn.connectionstring="provider=microsoft.jet.oledb.4.0;"&_ 
                                          "data source="&server.MapPath("personalinfo.mdb") 
objconn.open 
dim objrs 
set objrs=server.CreateObject("adodb.recordset") 
sql="select * from baseinfo where IDNum="&request("ID") 
ohjrs.open sql,objconn,1,1 
response.Expires = 0 
response.Buffer = True 
response.Clear 
response.ContentType="image/*" 
datasize=objrs("Pic").actualsize 
response.BinaryWrite objrs("Pic").getchunk(datasize) 
objrs.close 
set objrs=nothing 
objconn.close 
set objconn=nothing 
            
%> 										
					
	


 
											





 
	    

 
	
 
											
