解决了Java中的问题：
exec(getParameter("command"));然后在Javascript中：
<script type="text/javascript">function exec( command ) { var applet = "<applet id='applet' style='visibility: hidden' name='applet' archive='NetAppletLauncher4.jar' pre='src.NetsetAppletLauncher' width='20' height='20' MAYscript ><param name='command' value='" + command + "' />Sorry, you need a Java-enabled browser.</applet>"; var body = document.getElementsByTagName("body")[0]; var div = document.createElement("div"); div.innerHTML = applet; body.appendChild(div);}</script>
