JS 屏幕刷新事件

you can do this with JavaScript.
to hide toolbar, menu ... etc., open your web application with this JS function that you can set according to your needs :

window.open("yourZKWebPage","windowName","width=200,height=100,toolbar=no,location=no,directories=no ,status=yes,menubar=no,scrollbars=no,resizable=yes");

And here, is an old code to intercept keyboard input, you can also customize it according to your needs :

function keydown() {
  if ((window.event.ctrlKey) || (window.event.shiftKey) || (window.event.keyCode==18) || ((window.event.keyCode>=112) && (window.event.keyCode<=123))) {
   if (window.confirm("Shortcuts are not allowed ! \nDo you want to exit this great site ?" ))
    top.close();
   else {
    setTimeout("form.focus();",30);
    window.event.returnValue = false;  
   }
   }
  }
document.onkeydown= keydown //All Keys are checked