$(document).bind("contextmenu", function () { return false; });//禁止右鍵
		        document.oncontextmenu = function () { return false; };
		        document.onkeydown = function () {
		            if (window.event && window.event.keyCode == 123) {
		                event.keyCode = 0;
		                event.returnValue = false;
		                return false;
		            }
		        };//禁止F12