文字向上滚动效果，模拟Flash动画的淡入淡出

发布时间：2018-08-13 17:21:15 所属栏目：编程来源：站长网

导读：一款漂亮的文字向上滚动效果，这里利用 Java Script+CSS模拟了Flash动画的淡入淡出，动态的滚动渐变文字特效，让文字成行渐变显示，向上滚动，最后渐变消失。演示： htmlheadtitle动态滚动渐变文字特效/titlemeta content=text/html; charset=gb2312 http

　　一款漂亮的文字向上滚动效果，这里利用JavaScript+CSS模拟了Flash动画的淡入淡出，动态的滚动渐变文字特效，让文字成行渐变显示，向上滚动，最后渐变消失。

　　演示：

<html> <head> <title>动态滚动渐变文字特效</title> <meta content="text/html; charset=gb2312" http-equiv="Content-Type"> <script language="Javascript"> bname=navigator.appName; bversion=parseInt(navigator.appVersion) if ((bname=="Netscape" && bversion>=4) || (bname=="Microsoft Internet Explorer" && bversion>=4)) { if (bname=="Netscape") { brows=true dt=1 } else { brows=false dt=40 } var z=0; var msg=0; var rgb=0; var status=true; var updwn=false; var message= new Array(); var value=0; var timer1; var timer2; var timer3; var convert = new Array() var hexbase= new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"); // 以下加入显示的文字,可以随意添加, var bgcolor="#FFFFFF"; //背景色 var color="#ce288c"; //字符颜色 message[0]='滚动文字特效演示' message[1]='超玄的效果' message[2]='是不是很诱人呢?</a>' message[4]='想试一试吗？' message[3]='还支持超级连接!' message[5]='点击进入<a href="http://www.veryhuo.com">烈火网</a>!' for (x=0; x<16; x++) { for (y=0; y<16; y++) { convert[value]= hexbase[x] + hexbase[y]; value++; } } //颜色的计算 redx=color.substring(1,3); // redx='00' greenx=color.substring(3,5); // greenx='00' bluex=color.substring(5,7); // bluex='ff' hred=eval(parseInt(redx,16)); // hred=0 hgreen=eval(parseInt(greenx,16)); // hgreen=0 hblue=eval(parseInt(bluex,16)); // hblue=ff eredx=bgcolor.substring(1,3); // eredx='ff' egreenx=bgcolor.substring(3,5); // egreenx='ff' ebluex=bgcolor.substring(5,7); // ebluex='ff' ered=eval(parseInt(eredx,16)); // ered=ff egreen=eval(parseInt(egreenx,16)); // egreen=ff eblue=eval(parseInt(ebluex,16)); // eblue=ff red=ered; // red=ff green=egreen; // green=ff blue=eblue; //blue=ff function start(){ if ((bname=="Netscape" && bversion>=4) || (bname=="Microsoft Internet Explorer" && bversion>=4)){ if (brows) res=document.layers['textanim'].top else res=textanim.style.top updwn=true; timer1=window.setInterval('up()',dt) } } function stop() //清空超时设置，释放系统资源 { if ((bname=="Netscape" && bversion>=4) || (bname=="Microsoft Internet Explorer" && bversion>=4)){ window.clearInterval(timer1); window.clearInterval(timer2); window.clearTimeout(timer3); } } function breakf() //鼠标单击后文字停止或重新开始滚动 { if (status){ window.clearInterval(timer1); window.clearInterval(timer2); window.clearTimeout(timer3); status=false return; } else{ if (updwn) timer1=window.setInterval('up()',dt) else timer2=window.setInterval('down()',dt) status=true; } } function up() //文字颜色变化控制,滚动控制 { if (red<hred){ if ((red+15)<hred){ red+=15; redx = convert[red] } else{ red=hred redx = convert[red] } } if (red>hred){ if ((red-15)>hred){ red-=15; redx = convert[red] } else{ red=hred redx = convert[red] } } if (green<hgreen){ if ((green+15)<hgreen){ green+=15; greenx = convert[green] } else{ green=hgreen greenx = convert[green] } } if (green>hgreen){ if ((green-15)>hgreen){ green-=15; greenx = convert[green] } else{ green=hgreen greenx = convert[green] } } if (blue<hblue){ if ((blue+15)<hblue){ blue+=15; bluex = convert[blue] } else{ blue=hblue bluex = convert[blue] } } if (blue>hblue){ if ((blue-15)>hblue){ blue-=15; bluex = convert[blue] } else{ blue=hblue bluex = convert[blue] } } rgb = "#"+redx+greenx+bluex; if (brows){ document.layers['textanim'].document.linkColor=rgb; document.layers['textanim'].document.vlinkColor=rgb; document.layers['textanim'].document.writeln('<Pre><P Class="main" Align="Center"><font color="'+rgb+'">'+message[msg]+'</font></P></Pre>') document.layers['textanim'].document.close(); } else{ textanim.document.linkColor=rgb; textanim.document.vlinkColor=rgb; textanim.innerHTML='<Pre><P Class="main" Align="Center"><font color="'+rgb+'">'+message[msg]+'</font></P></Pre>' } if (z<19){ if (brows) document.layers['textanim'].top-=2 else textanim.style.posTop-=2 z++ } else { updwn=false; window.clearInterval(timer1); timer2=window.setInterval('down()',dt) } } function down() { if (red<ered) { if ((red+15)<ered){ red+=15;redx = convert[red];} else { red=ered;redx = convert[red];} } if (red>ered) { if ((red-15)>ered){red-=15;redx = convert[red];} else {red=ered;redx = convert[red];} } if (green<egreen) { if ((green+15)<egreen){green+=15;greenx = convert[green];} else { green=egreen;greenx = convert[green];} } if (green>egreen) { if ((green-15)>egreen){green-=15;greenx = convert[green];} else{green=egreen;greenx = convert[green];} } if (blue<eblue) { if ((blue+15)<eblue){blue+=15;bluex = convert[blue];} else { blue=eblue;bluex = convert[blue];} } if (blue>eblue) { if ((blue-15)>eblue){blue-=15;bluex = convert[blue];} else {blue=eblue;bluex = convert[blue];} } rgb = "#"+redx+greenx+bluex; if (brows) { document.layers['textanim'].document.linkColor=rgb; document.layers['textanim'].document.vlinkColor=rgb; document.layers['textanim'].document.writeln('<Pre><P Class="main" Align="Center"><font color="'+rgb+'">'+message[msg]+'</font></P></Pre>') document.layers['textanim'].document.close(); } else { textanim.document.linkColor=rgb; textanim.document.vlinkColor=rgb; textanim.innerHTML='<Pre><P Class="main" Align="Center"><font color="'+rgb+'">'+message[msg]+'</font></P></Pre>' } if (z<38) { if (brows) document.layers['textanim'].top-=2 else textanim.style.posTop-=2; z++; } else { if (brows) { document.layers['textanim'].document.writeln(''); document.layers['textanim'].document.close(); } else textanim.innerHTML=''; window.clearInterval(timer2); if(msg<message.length-1) { msg++; z=0; if (brows) document.layers['textanim'].top=res; else textanim.style.top=res; timer3=window.setTimeout('start()',100); } else { msg=0; z=0; if (brows) document.layers['textanim'].top=res; else textanim.style.top=res; timer3=window.setTimeout('start()',2000); } } } } </script> <style type="text/css"> A:link {TEXT-DECORATION: line} A:visited {TEXT-DECORATION:line} P.main {FONT-FAMILY: Comic Sans Ms; FONT-SIZE: 32pt; FONT-WEIGHT: bold} </style> </head> <body aLink="#ffff00" bgColor="#ffffff" link="#ff0000" onload="start()" onunload="stop()" text="#000000" vLink="#ff0000"> <div id="textanim" onclick="breakf()" style="LEFT: 18px; POSITION: absolute; TOP: 221px"></div> <LAYER top="80" left="4" name="textanim"></LAYER> <p>　</p> <p> <font size="15" color="#DE3076" face="汉鼎繁特楷"> <br> <font color="#3399FF">可以支持超链接哦！</font></font></p> <p>　</p> <p>　</p> <p align="center">　</p> </body> </html><div style="text-align:center;margin:30px 0 0 0;"><hr style="color:#999;height:1px;">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></div>
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