文本链接实现带阴影的Tips提示效果

发布时间：2018-08-16 14:29:07 所属栏目：PHP教程来源：站长网

导读：一个使用 Java Script实现文本链接带阴影的Tips提示效果，看上去挺不错，不过代码有点复杂，大家参考一下吧，不建议使用。示例： !DOCTYPE htmlhtml xmlns=http://www.w3.org/1999/xhtmlheadmeta http-equiv=Content-Type content=text/html; charset=utf

　　一个使用JavaScript实现文本链接带阴影的Tips提示效果，看上去挺不错，不过代码有点复杂，大家参考一下吧，不建议使用。

　　示例：

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>一个链接提示</title> <style type="text/css"> #dhtmltooltip{ position: absolute; left: -300px; width: 150px; border: 1px solid black; padding: 2px; background-color: lightyellow; visibility: hidden; z-index: 100; filter: progid:DXImageTransform.Microsoft.Shadow(color=gray,direction=135); } #dhtmlpointer{ position:absolute; left: -300px; z-index: 101; visibility: hidden; } </style> <script language="javascript"> if (window.Event) document.captureEvents(Event.MOUSEUP); function nocontextmenu() { event.cancelBubble = true alert("IE"); event.returnValue = false; return false; } function norightclick(e) { if (window.Event) { if (e.which == 2 || e.which == 3)//FF // alert("FF"); e.preventDefault(); return false; } } document.oncontextmenu =norightclick; // for IE5+ document.onmousedown = nocontextmenu; // for all others </script> <script type="text/javascript"> var offsetfromcursorX=12 var offsetfromcursorY=10 var offsetdivfrompointerX=10 var offsetdivfrompointerY=14 document.write('<div id="dhtmltooltip"></div>') document.write('<img id="dhtmlpointer" src="">') var ie=document.all var ns6=document.getElementById && !document.all var enabletip=false if (ie||ns6) var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : "" var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : "" function ietruebody(){ return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body } function ddrivetip(thetext, thewidth, thecolor){ if (ns6||ie){ if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"; if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor; tipobj.innerHTML=thetext; enabletip=true; return false } } function positiontip(e){ if (enabletip){ var nondefaultpos=false; var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft; var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop; var winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20; var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20; var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX; var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY; var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000; if (rightedge<tipobj.offsetWidth){ tipobj.style.left=curX-tipobj.offsetWidth+"px"; nondefaultpos=true } else if (curX<leftedge) tipobj.style.left="5px"; else{ tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"; pointerobj.style.left=curX+offsetfromcursorX+"px"; } if (bottomedge<tipobj.offsetHeight) { tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px"; nondefaultpos=true; } else { tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"; pointerobj.style.top=curY+offsetfromcursorY+"px"; } tipobj.style.visibility="visible"; if (!nondefaultpos) pointerobj.style.visibility="visible"; else pointerobj.style.visibility="hidden"; } } function hideddrivetip(){ if (ns6||ie){ enabletip=false tipobj.style.visibility="hidden" pointerobj.style.visibility="hidden" tipobj.style.left="-1000px" tipobj.style.backgroundColor='' tipobj.style.width='' } } document.onmousemove=positiontip </script> </head> <body> <a onclick="ddrivetip('JavaScriptKit.com JavaScript tutorials', 300)" >鼠标放在这里</a> <a href="http://www.liehuo.net" onMouseover="ddrivetip('点击访问《烈火网》！')"; onMouseout="hideddrivetip()">Search Engine</a> <div onMouseover="ddrivetip('Yahoo's Site', 250)"; onMouseout="hideddrivetip()">This is a DIV. This is a DIV.</div> </body> </html><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提示：可修改后代码再运行!

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