日期:2014-05-16 浏览次数:20408 次
如题index.html
top.html:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script language="javascript" type="text/javascript" src="js/jquery.js"></script> <script language="javascript" type="text/javascript"> var mainFrame;//frame var mainDoc;//doc var msgDivHtml = '<div id="msgDiv">消息提示</div>';//html var msgDiv;//div var height;//高度 var opacity;//透明度 var l; var s; var h; var t; var isShow = true;//是否每隔一段时间就显示一次 var autoHideSecond=5;//自动隐藏时间,5秒 window.onload = function(){ t = window.setInterval('setDateTime()',1000); mainFrame = self.parent.frames['mainFrame']; loadMsg(); }; function setDateTime(){ var today = new Date(); var h = today.getHours(); var m = today.getMinutes(); var s = today.getSeconds(); document.getElementById('dateTime').innerHTML = h+':'+m+':'+s; } function updateMsgDiv(){ mainDoc = mainFrame.document; msgDiv = mainDoc.getElementById('msgDiv'); } //向后台获取信息 function loadMsg(){ //clear window.clearTimeout(s); window.clearTimeout(h); var topCount = 4;//假设向后台获取到消息条数了 updateMsgDiv(); var body = mainDoc.body; if(!msgDiv){ $(body).append(msgDivHtml); updateMsgDiv(); } //加载html片段完成 //添加计时器弹出效果 //还原透明度 msgDiv.style.height = 1+'px'; setAlpha(msgDiv,100); //还原高度 showMsg(); l = window.setTimeout('loadMsg()',10000); } //显示div function showMsg(){ updateMsgDiv(); if(!msgDiv)return; height = window.parseInt(msgDiv.offsetHeight); if(height<=120){ msgDiv.style.height = (height+4)+'px'; s = window.setTimeout('showMsg()',20); }else{ window.clearTimeout(s); //10秒后关闭 opacity = 100; h = window.setTimeout('hideMsg()',autoHideSecond*1000); } } //设置透明度 function setAlpha(div,v){ if(!div)return; if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){ div.style.opacity = v/100; }else if(navigator.userAgent.indexOf("MSIE")>0) { div.style.filter = 'Alpha(Opacity='+v+')'; } } //隐藏div function hideMsg(){ updateMsgDiv(); if(opacity>=2){ opacity = opacity-2; setAlpha(msgDiv,opacity); h = window.setTimeout('hideMsg()',20); }else{ window.clearTimeout(h); } } //设置显示状态 function setShowState(){ if(isShow){ isShow = false; window.clearTimeout(l); }else{ isShow = true; loadMsg(); } } </script> </head> <body> top.html <br/>时间:<span id="dateTime"></span><br/> 开启消息提示:<input type="checkbox" onclick="setShowState();" checked="checked"/> <button onclick="loadMsg();">load</button> </body> </html>
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