把asp改成jsp
这是一段保存图片文件的asp代码，那位大大，能改成jsp执行的代码吗
<%  
Response.Expires   =   -1
Response.AddHeader   "Pragma ",   "no-cache "
Response.AddHeader   "Cache-Control ",   "no-cache,   must-revalidate "
%>
<%
 
Function   GetRndFileName()
Dim   tmpstr
randomize
tmpstr=Int(1000*rnd)
tmpstr=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&tmpstr
GetRndFileName=tmpstr
End   Function

path= "pictemp\ "&getrndfilename()& ".png "  

TotalBytes   =   Request.TotalBytes    
Set   bSourceData   =   server.createobject( "ADODB.Stream ")
bSourceData.Open
bSourceData.Type   =   1
biData   =   Request.BinaryRead(TotalBytes)
bSourceData.Write   biData  
bSourceData.SaveToFile   (server.mappath(path))
set   bsourcedata=nothing
response.write( "fileurl= "&replace(path, "\ ", "\\ "))


%>

------解决方案--------------------
对ASP不是很懂，看了一下你的代码，好像是想将数据输出到一个随机的文件中,但是我不清楚你的那个数据是从哪里来的，我写了个从数据库中读取的。

以下为JAVA代码，希望对你有帮助
---------------------------------
/*产生一个跟随日期的文件名，可能和你的那个有点差异*/
public String randomFileName(){

int cnt = 0;

java.util.Date dt = new java.util.Date(System.currentTimeMillis());

java.text.SimpleDateFormat fmt =

new java.text.SimpleDateFormat( "yyyyMMddHHmmssSSS ");

String fileName = fmt.format(dt);

cnt = (cnt+1) % 100;

StringBuffer sBuf = new StringBuffer( "0000 ").append(cnt);

sBuf.delete(0,sBuf.length()-2); //使产生的文件名的长度一致

fileName = fileName + "_ " + sBuf.toString();

return fileName;
}

String path = "pictemp\\ " + randomFileName() + ".png ";

java.io.OutputStream outword = new java.io.FileOutputStream( path );

//下面为连接数据库的代码
String Dsn = ..
.......
.....
java.sql.Connection connect = DriverManager.getConnection(Dsn,UserName,PassWord);

java.sql.Statement state = connect.createStatement();

ResultSet Rs = state.executeQuery( "select content from filedata);

if( Rs.next() ){
java.io.InputStream inword = Rs.getBinaryStream(1);

if( inword != null){

byte[] buf = new byte[2048];

while( true ){

int nread = inword.read( buf );

if( nread != -1 )

outword.write( buf , 0 , nread );

else break;
}
}
inword.close();
}
outword.flush();
outword.close();
Rs.close();
state.close();
.............

------解决方案--------------------
好像你是在问 jsp另存图片是不？

try {
String path= "upload/ ";
SmartUpload uploader=new SmartUpload();
uploader.initialize(pageContex