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java按http地址列表下載檔案佇列

//http檔案佇列下載
 public void httplistDownload() throws IOException{  
  String path=ServletActionContext.getRequest().getParameter("path"); 
  //返回ts切片地址列表
  URL stSpaceUrl = new URL(path);
        HttpURLConnection storageconn = (HttpURLConnection) stSpaceUrl.openConnection();
        storageconn.connect();
        BufferedReader storageReader = new BufferedReader(new InputStreamReader(storageconn.getInputStream()));
        String httpresponse=storageReader.readLine();
  
  httpresponse=httpresponse.substring(1,httpresponse.lastIndexOf("]"));  
  String[] urlarray=httpresponse.split(", ");
       
  int BUFFER_SIZE= 10240; //緩衝區大小10Kb
  String strurl=null;
  String filename=null;
  String filepath=null;
  Vector<String> vdownload=new Vector<String>(); //url列表
  Vector<String> vfilename=new Vector<String>(); //檔名列表
  
  for(int i=0;i<urlarray.length;i++){
   filepath=java.net.URLDecoder.decode(urlarray[i], "utf-8");
   filename=filepath.substring(filepath.lastIndexOf("/")+1);
   vdownload.add(filepath); //解碼之後,新增到url列表
   vfilename.add(filename); //檔名新增到列表
  }
  
  //按列表順序儲存資源
  for(int i=0;i<vdownload.size();i++)
  {
   strurl=(String)vdownload.get(i); //從列表中取出url
   filename=(String)vfilename.get(i); //從列表中取出檔名
   FileOutputStream fos=null;
   BufferedInputStream bis=null;
   HttpURLConnection httpUrl=null;
   URL url=null;
   byte[] buffer=new byte[BUFFER_SIZE];
   int size=0;
   //建立連線
   url=new URL(strurl);
   httpUrl=(HttpURLConnection)url.openConnection();
   //連線指定的資源
   httpUrl.connect();
   //獲取網路輸入流
   bis=new BufferedInputStream(httpUrl.getInputStream());
   //建立檔案
   fos=new FileOutputStream("E:\\download\\"+filename);
   //儲存檔案
   while((size=bis.read(buffer))!=-1)
   {
    fos.write(buffer,0,size);
   }
   fos.close();
   bis.close();
   httpUrl.disconnect();
  }

 }