摘要：
<script type="text/javascript"> //禁止用F5键(兼容IE和Firefox) var check = function(e) { e = e || window.event; if ((e.which || e.keyCode) == 116 || (e.ctrlKey && (e.which || e.keyCode) == 82)) { if (e.preventDefault) { e.preventDefault(); } ... 阅读全文