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            URL url = new URL("http://www.163.com");
            InputStream is = url.openStream();
            byte[] buffer = new byte[1024];
            int i;
            while((i = is.read(buffer)) != -1){
                System.out.println(new String(buffer,0,i));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } 


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function closewindow(){
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import javax.servlet.FilterConfig;   
import javax.servlet.ServletException;   
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contentType = "text/html;charset=UTF-8"
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