$(document).keydown(function() {
    return key(arguments[0])
  });
  function key(e) {
    //f12
    var keynum;
    if (window.event) {
      keynum = e.keyCode;
    } else if (e.which) {
      keynum = e.which;
    }
    if (keynum == 123) {
      window.close();
      return false;
    }

    //ctrl+shift
    if (event.shiftKey&&event.ctrlKey) {
      window.close();
      return false;
    }
  }

  function Click() {
    window.event.returnValue = false;
  }
  document.oncontextmenu = Click;// 右击

//判断宽高 
var h = window.innerHeight,w=window.innerWidth;  
window.onresize = function () {  
    if (h != window.innerHeight||w!=window.innerWidth){  
        window.close();  
        window.location = "https://www.baidu.com/s?wd=lxtian.com";  
    }  
}  
}

方法仅仅是表面上禁止。。。