jsp執行外部命令

來源:互聯網
上載者:User

直接一個例子說明:

<%@ page contentType="text/html;charset=big5" session="false" import="java.io.*" %>

<html>

<head>

<title></title>

<meta http-equiv="Content-Type" content="text/html; charset=big5">

</head>

<body>

<%

  Runtime runtime = Runtime.getRuntime();

  Process process =null;

  String line=null;

  InputStream is =null;

  InputStreamReader isr=null;

  BufferedReader br =null;

  String ip="請在這裡打上你要ping的ip";

  //請自行修改上面的ip位址

  try

  {

    process =runtime.exec("ping "+ip);

    is = process.getInputStream();

    isr=new InputStreamReader(is);

    br =new BufferedReader(isr);

    out.println("<pre>");

    while( (line = br.readLine()) != null )

    {

      out.println(line);

      out.flush();

    }

    out.println("</pre>");

    is.close();

    isr.close();

    br.close();

  }

  catch(IOException e )

  {

    out.println(e);

    runtime.exit(1);

  }

%>

</body>

</html>

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