How to set up uninterrupted scrolling of text in jquery: 1. Single-line scrolling, the code is [$(this).css({marginTop:"0px"}).find("li:first").appendTo( )]; 2. Multi-line scrolling, the code is [Scroll:function()].
How to set up uninterrupted scrolling of text in jquery:
1. Single-line scrolling
<!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" c /> <title>无标题文档</title> <style type="text/css"> ul,li{margin:0;padding:0} #scrollDiv{width:300px;height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden} #scrollDiv li{height:25px;padding-left:10px;} </style> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> function AutoScroll(obj){ $(obj).find("ul:first").animate({ marginTop:"-25px" },500,function(){ $(this).css({marginTop:"0px"}).find("li:first").appendTo(this); }); } $(document).ready(function(){ setInterval('AutoScroll("#scrollDiv")',1000) }); </script> </head> <body> <div id="scrollDiv"> <ul> <li>这是公告标题的第一行</li> <li>这是公告标题的第二行</li> <li>这是公告标题的第三行</li> <li>这是公告标题的第四行</li> <li>这是公告标题的第五行</li> <li>这是公告标题的第六行</li> <li>这是公告标题的第七行</li> <li>这是公告标题的第八行</li> </ul> </div> </body> </html>
2. Multi-line scrolling
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>无标题文档</title> <style type="text/css"> ul,li{margin:0;padding:0} #scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden} #scrollDiv li{height:25px;padding-left:10px;} </style> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> //滚动插件 (function($){ $.fn.extend({ Scroll:function(opt,callback){ //参数初始化 if(!opt) var opt={}; var _this=this.eq(0).find("ul:first"); var lineH=_this.find("li:first").height(), //获取行高 line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数,默认为一屏,即父容器高度 speed=opt.speed?parseInt(opt.speed,10):500, //卷动速度,数值越大,速度越慢(毫秒) timer=opt.timer?parseInt(opt.timer,10):3000; //滚动的时间间隔(毫秒) if(line==0) line=1; var upHeight=0-line*lineH; //滚动函数 scrollUp=function(){ _this.animate({ marginTop:upHeight },speed,function(){ for(i=1;i<=line;i++){ _this.find("li:first").appendTo(_this); } _this.css({marginTop:0}); }); } //鼠标事件绑定 _this.hover(function(){ clearInterval(timerID); },function(){ timerID=setInterval("scrollUp()",timer); }).mouseout(); } }) })(jQuery); $(document).ready(function(){ $("#scrollDiv").Scroll({line:4,speed:500,timer:1000}); }); </script> </head> <body> <p>多行滚动演示:</p> <div id="scrollDiv"> <ul> <li>这是公告标题的第一行</li> <li>这是公告标题的第二行</li> <li>这是公告标题的第三行</li> <li>这是公告标题的第四行</li> <li>这是公告标题的第五行</li> <li>这是公告标题的第六行</li> <li>这是公告标题的第七行</li> <li>这是公告标题的第八行</li> </ul> </div> </body> </html>
3. Multi-line scrolling that can be controlled forward and backward
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>无标题文档</title> <style type="text/css"> ul,li{margin:0;padding:0} #scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden} #scrollDiv li{height:25px;padding-left:10px;} </style> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> (function($){ $.fn.extend({ Scroll:function(opt,callback){ //参数初始化 if(!opt) var opt={}; var _btnUp = $("#"+ opt.up);//Shawphy:向上按钮 var _btnDown = $("#"+ opt.down);//Shawphy:向下按钮 var timerID; var _this=this.eq(0).find("ul:first"); var lineH=_this.find("li:first").height(), //获取行高 line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数,默认为一屏,即父容器高度 speed=opt.speed?parseInt(opt.speed,10):500; //卷动速度,数值越大,速度越慢(毫秒) timer=opt.timer //?parseInt(opt.timer,10):3000; //滚动的时间间隔(毫秒) if(line==0) line=1; var upHeight=0-line*lineH; //滚动函数 var scrollUp=function(){ _btnUp.unbind("click",scrollUp); //Shawphy:取消向上按钮的函数绑定 _this.animate({ marginTop:upHeight },speed,function(){ for(i=1;i<=line;i++){ _this.find("li:first").appendTo(_this); } _this.css({marginTop:0}); _btnUp.bind("click",scrollUp); //Shawphy:绑定向上按钮的点击事件 }); } //Shawphy:向下翻页函数 var scrollDown=function(){ _btnDown.unbind("click",scrollDown); for(i=1;i<=line;i++){ _this.find("li:last").show().prependTo(_this); } _this.css({marginTop:upHeight}); _this.animate({ marginTop:0 },speed,function(){ _btnDown.bind("click",scrollDown); }); } //Shawphy:自动播放 var autoPlay = function(){ if(timer)timerID = window.setInterval(scrollUp,timer); }; var autoStop = function(){ if(timer)window.clearInterval(timerID); }; //鼠标事件绑定 _this.hover(autoStop,autoPlay).mouseout(); _btnUp.css("cursor","pointer").click( scrollUp ).hover(autoStop,autoPlay);//Shawphy:向上向下鼠标事件绑定 _btnDown.css("cursor","pointer").click( scrollDown ).hover(autoStop,autoPlay); } }) })(jQuery); $(document).ready(function(){ $("#scrollDiv").Scroll({line:4,speed:500,timer:1000,up:"btn1",down:"btn2"}); }); </script> </head> <body> <p>多行滚动演示:</p> <div id="scrollDiv"> <ul> <li>这是公告标题的第一行</li> <li>这是公告标题的第二行</li> <li>这是公告标题的第三行</li> <li>这是公告标题的第四行</li> <li>这是公告标题的第五行</li> <li>这是公告标题的第六行</li> <li>这是公告标题的第七行</li> <li>这是公告标题的第八行</li> </ul> </div> <span id="btn1">向前</span> <span id="btn2">向后</span> </body> </html>
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