See the source code for org.apache.struts.actions.ReloadAction It writes "OK" when it's done. Makes for a good "hello world" example.
-- Ted Husted, Husted dot Com, Fairport NY USA. -- Building Java web applications with Struts. -- Tel +1 585 737-3463. -- Web http://www.husted.com/struts/ [EMAIL PROTECTED] wrote: > > Hi > > When you say that I should use an action and "write the bytes in the > perform method" I am not quite sure I follow. I have only returned an > ActionForward object from the perform() method in an Action class. So > how do I make it return a byte string representing the image?, should I > write another perform() method? > > Cheers > > Antony > > > in the JSP you write an image tag like > > --------------------------------------------------------- > > <img src="<html:rewrite page="/servlet/ImageServlet" > > paramId="id" paramName="imageBean" paramProperty="id"> > > --------------------------------------------------------- > > this hopefully renders to > > <img src="/servlet/ImageServlet?id=1234432"> > > > > This will cause an extra http request to the mapped servlet. > > > > In the servlet you should do something like: > > --------------------------------------------------------- > > response.setContentType("image/gif"); > > response.setContentLength(imageBean.getLength()); > > response.setHeader("Content-disposition","attachement; > > filename="+imageBean.getFilename()); > > ServletOutputStream stream = response.getOutputStream(); > > //copy dbstream to servletOutputStream > > stream.write(imageBytes); > > --------------------------------------------------------- > > Instead of the servlet you could probably use an action > > <img src="/ImageAction.do?id=1234432"> > > and write the bytes in the perform method, but I did not test this one. > > >> > >>>Hi > >>> > >>>I need to retrieve pictures from a database and use struts to display > >>>them. I am not sure about the best way to do this. Can someone please > >>>tell me how they do it and what they beleive the best approach is. > >>> > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
