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public void service(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException {
res.setContentType(\" text/plain \");
OutputStream outputStream = null;
try {
outputStream = res.getOutputStream();//°ÑÎļþ·¾¶ÎªsrcFileµÄÎļþдÈëoutputStreamÖÐ
popFile(srcFile, outputStream)) ;
} catch (IOException e) {
e.printStackTrace();
}

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URLConnection con;
try {
//urlÊDZ»µ÷ÓõÄSERVLETµÄÍøÖ· Èç *.do
con=url.openConnection();
con.setUseCaches(false);
con.setDoInput(true);
con.setDoOutput(true);
con.setRequestProperty(\"Content-Type\",\"application/octet-stream\");
InputStream in = con.getInputStream();
ProgressMonitorInputStream pmInputStream = new ProgressMonitorInputStream(pane, \"ÕýÔÚ´Ó·þÎñÆ÷ÏÂÔØÎļþÄÚÈÝ\", in);
ProgressMonitor pMonitor = pmInputStream.getProgressMonitor();
pMonitor.setMillisToDecideToPopup(3);
pMonitor.setMillisToPopup(3);//localfilepath±¾µØ·¾¶,localstrÎļþÎļþ¼Ð£¬filename±¾µØÎļþÃû
String localfilepath = localstr filename ;//·½·¨saveFilsaveFileeÊÇ°ÑÊäÈëÁ÷pmInputStreamдµ½ÎļþlocalfilepathÖÐ
if(saveFilsaveFilee(localfilepath,pmInputStream)){¡¡¡¡¡¡¡¡ openLocalFile(localfilepath);
} URLConnection con;
try {
con = url.openConnection();//urlÊDZ»µ÷ÓõÄSERVLETµÄÍøÖ· Èç *.do ¡¡¡¡
con.setUseCaches(false);
con.setDoInput(true);
con.setDoOutput(true);
con.setRequestProperty(\"Content-Type\",\"application/octet-stream\");
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<html>
<head>
<title>HelloBean</title>
</head>
<body>
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