完成鼠标通过超链时的提示图层|萝卜系统下载站

网站建设是指使用标识语言（markup language)，通过一系列设计、建模、和执行的过程将电子格式的信息通过互联网传输，最终以图形用户界面（GUI）的形式被用户所浏览。简单来说，网页设计的目的就是产生网站。简单的信息如文字，图片（GIF，JPEG，PNG）和表格，都可以通过使超文件标示语言、可扩展超文本标记语言等标示语言放置到网站页面上。
运行代码框
<script>var oPopup = window.createPopup();function rdl_doClick(){var oMessage=document.all("oMessage");with (oPopup.document.body) {style.backgroundColor="lightyellow";style.border="solid black 1px";innerHTML=oMessage.value;}oPopup.show(70, 70, 180, 60);}</script><input id=oMessage type=text size=40 value="点击弹出窗口外面的区域关闭它。"><br><br><a href="#" onmouseover="rdl_doClick()" onmouseout="oPopup.hide();">显示弹出窗口 </a>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]还有用titile
运行代码框
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><STYLE type=text/css>BODY {MARGIN-TOP: 0px; FONT-SIZE: 9pt; MARGIN-LEFT: 4px; MARGIN-RIGHT: 0px; FONT-FAMILY: "宋体"}A {FONT-WEIGHT: 400; FONT-SIZE: 13px; COLOR: black; TEXT-DECORATION: none}A:hover {FONT-WEIGHT: 400; FONT-SIZE: 13px; COLOR: red; TEXT-DECORATION: underline}A:active {FONT: 9pt "宋体"; CURSOR: hand; COLOR: #ff0033}</style><title>Untitled Document</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head><body><script>function show(tips,flag,url){var my_tips=document.all.mytips;if(flag){ my_tips.style.display=""; if (url!=null){my_tips.innerHTML="<img src='"+url+"'align=left>"+tips;} else{ my_tips.innerHTML=tips;} my_tips.style.left=event.clientX+10; my_tips.style.top=event.clientY+10; }else { my_tips.style.display="none"; }}</script><a href="#" tips="自定义提示" onmousemove=show(this.tips,1) onmouseout=show(this.tips,0)>测试链接</a><a href="#" tips="又一个自定义提示" onmousemove=show(this.tips,1,'http://be10.ods.org/51js/images/standard/online_member.gif') onmouseout=show(this.tips,0)>测试链接</a> <a href="#" tips="中华人民共和国中华人民共和国自定义提示" onmousemove=show(this.tips,1,'http://be10.ods.org/51js/images/standard/online_moderator.gif') onmouseout=show(this.tips,0)>测试链接</a> <div id=mytips style="position:absolute;width:150;height:16;border:1 gray solid;font-size:9pt;background-color:#ffffff;color:red;display:none;filter: progid:DXImageTransform.Microsoft.Shadow(color=#999999,direction=135,strength=3);"></div></body></html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]运行代码框
<html><head><script Language="JavaScript">//***********默认设置定义.*********************tPopWait=50;//停留tWait豪秒后显示提示。tPopShow=5000;//显示tShow豪秒后关闭提示showPopStep=20;popOpacity=99;//***************内部变量定义*****************sPop=null;curShow=null;tFadeOut=null;tFadeIn=null;tFadeWaiting=null;document.write("<style type='text/css'id='defaultPopStyle'>");document.write(".cPopText { background-color: #F8F8F5;color:#000000; border: 1px #000000 solid;font-color: font-size: 12px; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 2px; padding-bottom: 2px; filter: Alpha(Opacity=0)}");document.write("</style>");document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;' class='cPopText'></div>");function showPopupText(){var o=event.srcElement;MouseX=event.x;MouseY=event.y;if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt='实现鼠标经过超链时的提示图层'}; if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};if(o.dypop!=sPop) {sPop=o.dypop;clearTimeout(curShow);clearTimeout(tFadeOut);clearTimeout(tFadeIn);clearTimeout(tFadeWaiting);if(sPop==null
sPop=="") {dypopLayer.innerHTML="";dypopLayer.style.filter="Alpha()";dypopLayer.filters.Alpha.opacity=0;}else {if(o.dyclass!=null) popStyle=o.dyclass else popStyle="cPopText";curShow=setTimeout("showIt()",tPopWait);}}}function showIt(){dypopLayer.className=popStyle;dypopLayer.innerHTML=sPop;popWidth=dypopLayer.clientWidth;popHeight=dypopLayer.clientHeight;if(MouseX+12+popWidth>document.body.clientWidth) popLeftAdjust=-popWidth-24else popLeftAdjust=0;if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24else popTopAdjust=0;dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;dypopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;dypopLayer.style.filter="Alpha(Opacity=0)";fadeOut();}function fadeOut(){if(dypopLayer.filters.Alpha.opacity<popOpacity) {dypopLayer.filters.Alpha.opacity+=showPopStep;tFadeOut=setTimeout("fadeOut()",1);}else {dypopLayer.filters.Alpha.opacity=popOpacity;tFadeWaiting=setTimeout("fadeIn()",tPopShow);}}function fadeIn(){if(dypopLayer.filters.Alpha.opacity>0) {dypopLayer.filters.Alpha.opacity-=1;tFadeIn=setTimeout("fadeIn()",1);}}document.onmouseover=showPopupText;</script></head><BODY><a href="#" title="我想请问斑竹？<br>作者：农民<br>发表于2002-6-3 20:17:16<br>最后跟贴：呵呵，是住我们......">我想请问斑竹？</a>接着前面的 </body></html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]运行代码框
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[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]由js控制的代码，还可以临时解决 alt 显示速度慢的问题运行代码框
<SCRIPT language=JavaScript1.2></script><img src="http://www.blueidea.com/img/commonhttp://www.okasp.com/logo.gif" alt="blue！dea welcome you">
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]大多数人在上网的时候，都会浏览网页提供给我们的信息。

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