Extjs-examples-app-feedviewer中的通过feed-proxy.php改写的feed-proxy.jsp

<%@ page language="java" import="java.util.*,java.net.URL,java.io.*" pageEncoding="UTF-8"%><%String feed = request.getParameter("feed");if(feed != "" && feed.indexOf("http") == 0){response.setContentType("text/xml");//设置响应的格式，一定要text/xml的，否则返回值中没有responseXMLURL url = new URL(feed);InputStreamReader reader = new InputStreamReader(url.openStream());BufferedReader breader = new BufferedReader(reader);StringBuilder builder = new StringBuilder();String line;          // For every line in the file, append it to the string builder     while((line = breader.readLine()) != null){         builder.append(line);}  response.getWriter().write(builder.toString());}%>