页面中进行按键判断的脚本
<script> //禁止ctrl+n和 禁止ctrl+r和 禁止shift+f10 禁止鼠标右键or左右键 和禁止f5var oLastBtn=0,bIsMenu=false if (window.Event){document.captureEvents(Event.MOUSEUP); }function nocontextmenu(){ event.cancelBubble=true;event.returnValue=false; return false; }function norightclick(e) { if(window.Event) { if (e.which !=1){return false; }} else if(event.button!=1) { event.cancelBubble=true;event.returnValue=false; return false; } }document.oncontextmenu=nocontextmenu; document.onmousedown=norightclick; function onKeyDown(){if ((event.altKey)||((event.keyCode==8)&&(event.srcElement.type!="text"&&event.srcElement.type!="textarea"&&event.srcElement.type!="password"))||((event.ctrlKey)&&((event.keyCode==78)||(event.keyCode==82)))||(event.keyCode==116)){event.keyCode=0;event.returnValue=false;}} </SCRIPT></HEAD><BODY onkeydown=onKeyDown() leftMargin=0 topMargin=0 marginheight="0" marginwidth="0">
