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jQuery实现公告文字左右滚动的实例代码

  • 时间:2022-11-19 22:46 编辑: 来源: 阅读:
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摘要:jQuery实现公告文字左右滚动的实例代码
[u]复制代码[/u] 代码如下:
<!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=gb2312" /> <title>jQuery公告文字左右滚动效果-www.1sucai.cn</title> <style type="text/css"> #scrollText {     width: 400px;     margin-right: auto;     margin-left: auto; } </style> </head> <script type="text/javascript" src="/source/js/jquery-1.6.2.min.js"></script> <script type="text/javascript"> var ScrollTime; function ScrollAutoPlay(contID,scrolldir,showwidth,textwidth,steper){     var PosInit,currPos;     with($('#'+contID)){         currPos = parseInt(css('margin-left'));         if(scrolldir=='left'){             if(currPos<0 && Math.abs(currPos)>textwidth){                 css('margin-left',showwidth);             }             else{                 css('margin-left',currPos-steper);             }         }         else{             if(currPos>showwidth){                 css('margin-left',(0-textwidth));             }             else{                 css('margin-left',currPos-steper);             }         }     } } //--------------------------------------------左右滚动效果---------------------------------------------- /* AppendToObj:        显示位置(目标对象) ShowHeight:        显示高度 ShowWidth:        显示宽度 ShowText:        显示信息 ScrollDirection:    滚动方向(值:left、right) Steper:        每次移动的间距(单位:px;数值越小,滚动越流畅,建议设置为1px) Interval:        每次执行运动的时间间隔(单位:毫秒;数值越小,运动越快) */ function ScrollText(AppendToObj,ShowHeight,ShowWidth,ShowText,ScrollDirection,Steper,Interval){     var TextWidth,PosInit,PosSteper;     with(AppendToObj){         html('');         css('overflow','hidden');         css('height',ShowHeight+'px');         css('line-height',ShowHeight+'px');         css('width',ShowWidth);     }     if (ScrollDirection=='left'){         PosInit = ShowWidth;         PosSteper = Steper;     }     else{         PosSteper = 0 - Steper;     }     if(Steper<1 || Steper>ShowWidth){Steper = 1}//每次移动间距超出限制(单位:px)     if(Interval<1){Interval = 10}//每次移动的时间间隔(单位:毫秒)     var Container = $('<div></div>');     var ContainerID = 'ContainerTemp';     var i = 0;     while($('#'+ContainerID).length>0){         ContainerID = ContainerID + '_' + i;         i++;     }     with(Container){       attr('id',ContainerID);       css('float','left');       css('cursor','default');       appendTo(AppendToObj);       html(ShowText);       TextWidth = width();       if(isNaN(PosInit)){PosInit = 0 - TextWidth;}       css('margin-left',PosInit);       mouseover(function(){           clearInterval(ScrollTime);       });       mouseout(function(){           ScrollTime = setInterval("ScrollAutoPlay('"+ContainerID+"','"+ScrollDirection+"',"+ShowWidth+','+TextWidth+","+PosSteper+")",Interval);       });     }     ScrollTime = setInterval("ScrollAutoPlay('"+ContainerID+"','"+ScrollDirection+"',"+ShowWidth+','+TextWidth+","+PosSteper+")",Interval); } </script> <script type="text/javascript"> $(document).ready(function(e) {     ScrollText($('#scrollText'),23,400,'欢迎光临编程素材网!','left',1,20);//滚动字幕 }); </script> <body> <div id="scrollText"></div> <script type="text/javascript"> if(document.getElementById('GoogleAD')!=null){     document.getElementById('GoogleAD').innerHTML = '<div class="SearchEngine_AD1">' + document.getElementById('GoogleADCode').innerHTML + '</div>'; } </script> </body> </html>        
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