photo.jsp

一本JAVA入门好书：JAVA实例导航的第3章

<%@ page contentType="text/html;charset=GBK" %>
<%@ page import="java.io.*" %>
<%
FileInputStream is = null;
DataInputStream in = null;
try{
	String photo = (String)request.getParameter("photo");
	photo = oa.main.ParentBean.FilesPath + "news/img/" + photo;
	photo = (new oa.main.DealString()).Replace(photo,"\\","/");
	is = new FileInputStream(photo);
	in = new DataInputStream(is); 
	response.reset(); 
	if(photo.indexOf("gif")!=-1)response.setContentType("image/gif");
	else if(photo.indexOf("jpg")!=-1)response.setContentType("image/jpg");
	else if(photo.indexOf("png")!=-1)response.setContentType("image/png");
	else if(photo.indexOf("bmp")!=-1)response.setContentType("image/bmp");
	else if(photo.indexOf("jpeg")!=-1)response.setContentType("image/jpeg");
	byte[] b = new byte[1024]; 
	int len; 
	while((len=in.read(b)) >0) 
	response.getOutputStream().write(b,0,len); 	
}finally{
	if(in!=null)	in.close();
	if(is!=null)	is.close();
}%>