纯js鼠标经过链接显示提示层

2016-09-28 网页编程网 网页编程网

<html>
<head>
<title>title及alt提示特效</title>
<style type="text/css">
body{font-size:12px;color:#000000}
td{font-size:12px;color:#000000}
a:link{font-size:12px;color:#000000}
</style>
<script language="javascript">
var pltsPop=null;
var pltsoffsetX = 12; // 弹出窗口位于鼠标左侧或者右侧的距离；3-12 合适
var pltsoffsetY = 15; // 弹出窗口位于鼠标下方的距离；3-12 合适
var pltsTitle="";
document.write('<div id=pltsTipLayer style="display: none;position: absolute; z-index:10001"></div>');
function pltsinits(){
 document.onmouseover = plts;
 document.onmousemove = moveToMouseLoc;
}
function plts(){ var o=event.srcElement;
 if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""};
 if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};
 pltsPop=o.dypop;
 if(pltsPop!=null&&pltsPop!=""&&typeof(pltsPop)!="undefined") {
 pltsTipLayer.style.left=-1000;
 pltsTipLayer.style.display='';
 var Msg=pltsPop.replace(/\n/g,"<br>");
 Msg=Msg.replace(/\0x13/g,"<br>");
 var re=/\{(.[^\{]*)\}/ig;
 if(!re.test(Msg))pltsTitle="『一个好网』";
 else{
 re=/\{(.[^\{]*)\}(.*)/ig;
 pltsTitle=Msg.replace(re,"$1")+" ";
 re=/\{(.[^\{]*)\}/ig;
 Msg=Msg.replace(re,"");
 Msg=Msg.replace("<br>","");}
 var content =
 '<table style="FILTER:alpha(opacity=90);border: 1px solid #cccccc" id="toolTipTalbe" cellspacing="1" cellpadding="0"><tr><td width="100%"><table bgcolor="#ffffff" cellspacing="0" cellpadding="0">'+
 '<tr id="pltsPoptop"><td height="20" bgcolor="#0094bb"><font color="#ffffff"><b><p id="topleft" align="left">↖'+pltsTitle+'</p><p id="topright" align="right" style="display:none">'+pltsTitle+'↗</font></b></font></td></tr>'+
 '<tr><td "+attr+" style="padding-left:10px;padding-right:10px;padding-top: 8px;padding-bottom:6px;line-height:140%">'+Msg+'</td></tr>'+
 '<tr id="pltsPopbot" style="display:none"><td height="20" bgcolor="#0094bb"><font color="#ffffff"><b><p id="botleft" align="left">↙'+pltsTitle+'</p><p id="botright" align="right" style="display:none">'+pltsTitle+'↘</font></b></font></td></tr>'+
 '</table></td></tr></table>';
 pltsTipLayer.innerHTML=content;
 toolTipTalbe.style.width=Math.min(pltsTipLayer.clientWidth,document.body.clientWidth/2.2);
 moveToMouseLoc();
 return true;
 }
 else {
 pltsTipLayer.innerHTML='';
 pltsTipLayer.style.display='none';
 return true;
 }
}
function moveToMouseLoc(){
 if(pltsTipLayer.innerHTML=='')return true;
 var MouseX=event.x;
 var MouseY=event.y;
 var popHeight=pltsTipLayer.clientHeight;
 var popWidth=pltsTipLayer.clientWidth;
 if(MouseY+pltsoffsetY+popHeight>document.body.clientHeight) {
 popTopAdjust=-popHeight-pltsoffsetY*1.5;
 pltsPoptop.style.display="none";
 pltsPopbot.style.display="";
 }
 else {
 popTopAdjust=0;
 pltsPoptop.style.display="";
 pltsPopbot.style.display="none";
 }
 if(MouseX+pltsoffsetX+popWidth>document.body.clientWidth) {
 popLeftAdjust=-popWidth-pltsoffsetX*2;
 topleft.style.display="none";
 botleft.style.display="none";
 topright.style.display="";
 botright.style.display="";
 }
 else {
 popLeftAdjust=0;
 topleft.style.display="";
 botleft.style.display="";
 topright.style.display="none";
 botright.style.display="none";
 }
 pltsTipLayer.style.left=MouseX+pltsoffsetX+document.body.scrollLeft+popLeftAdjust;
 pltsTipLayer.style.top=MouseY+pltsoffsetY+document.body.scrollTop+popTopAdjust;
 return true;
}
pltsinits();
</script>
</head>
<body>
链接提示效果：<a href="http://www.baidu.com/" title="这是一个好网站">一个很酷的鼠标悬停特效，但有问题指教，我想知道怎么控制悬停时间</a>
</body>
</html>

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