marquee滚动，无缝连接的代码
Posted 吴皓杰
tags:
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页面的自动滚动效果，可由javascript来实现，
但是有一个html标签 - <marquee></marquee>可以实现多种滚动效果，无需js控制。
使用marquee标记不仅可以移动文字，也可以移动图片，表格等.
语法：<marquee>...</marquee>； 说明：在标记之间添加要进行滚动的内容。
重要属性：
1.滚动方向direction（包括4个值：up、 down、 left和 right）
语法：<marquee direction="滚动方向">...</marquee>
2.滚动方式behavior（scroll:循环滚动，默认效果； slide:只滚动一次就停止； alternate:来回交替进行滚动）
语法：<marquee behavior="滚动方式">...</marquee>
3.滚动速度scrollamount（滚动速度是设置每次滚动时移动的长度，以像素为单位）
语法：<marquee scrollamount="5">...</marquee>
4.滚动延迟scrolldelay（设置滚动的时间间隔，单位是毫秒）
语法：<marquee scrolldelay="100">...</marquee>
5.滚动循环loop（默认值是-1，滚动会不断的循环下去）
语法：<marquee loop="2">...</marquee>
6.滚动范围width、height
7.滚动背景颜色bgcolor
8.空白空间hspace、vspace
指整个Marquee对齐方式; (2)behavior:设置滚动的方式: scroll:表示由一端滚动到另一端,会重复,缺陷是不能无缝滚动。 slide:表示由一段滚动到另一端,不会重复
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左右无缝连接
<!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=utf-8" />
<title>无标题文档</title>
</head>
<body>
<div id="butong_net_right" style="overflow:hidden;width:700px;">
<table cellpadding="0" cellspacing="0" border="0">
<tr><td id="butong_net_right1" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><img src="n0.jpg" width="100" height="133"></td>
<td><img src="n0.jpg" width="100" height="133"></td>
<td><img src="n0.jpg" width="100" height="133"></td>
<td><img src="n0.jpg" width="100" height="133"></td>
<td><img src="n0.jpg" width="100" height="133"></td>
</tr>
</table>
</td>
<td id="butong_net_right2" valign="top"></td>
</tr>
</table>
</div>
</body>
</html>
<script>
var speed=30//速度数值越大速度越慢
butong_net_right2.innerHTML=butong_net_right1.innerHTML
function Marquee4(){
if(butong_net_right.scrollLeft<=0)
butong_net_right.scrollLeft+=butong_net_right2.offsetWidth
else{
butong_net_right.scrollLeft--
}
}
var MyMar4=setInterval(Marquee4,speed)
butong_net_right.onmouseover=function() {clearInterval(MyMar4)}
butong_net_right.onmouseout=function() {MyMar4=setInterval(Marquee4,speed)}
</script>
上下无缝连接
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<title>简单的jQuery无缝向上滚动效果演示2_dowebok</title>
<style>
* { margin: 0; padding: 0;}
.myscroll { width: 400px; height: 500px; overflow: hidden;}
.myscroll li { height: 250px; overflow: hidden;}
.myscroll img { border: 0 none;}
</style>
<script src="js/jquery-1.8.3.min.js"></script>
<script src="js/scroll.js"></script>
<script>
$(function(){
$(\'.myscroll\').myScroll({
speed: 10, //数值越大，速度越慢
rowHeight: 250 //li的高度
});
});
</script>
</head>
<body>
<div class="myscroll">
<ul>
<li><a href="http://www.dowebok.com/68.html"><img src="images/1.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/67.html"><img src="images/2.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/66.html"><img src="images/3.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/65.html"><img src="images/4.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/64.html"><img src="images/5.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/63.html"><img src="images/1.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/62.html"><img src="images/2.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/61.html"><img src="images/3.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/60.html"><img src="images/4.jpg" alt=""></a></li>
<li><a href="http://www.dowebok.com/59.html"><img src="images/5.jpg" alt=""></a></li>
</ul>
</div>
</body>
</html>
// JavaScript Document
(function($){
$.fn.myScroll = function(options){
//默认配置
var defaults = {
speed:40, //滚动速度,值越大速度越慢
rowHeight:24 //每行的高度
};
var opts = $.extend({}, defaults, options),intId = [];
function marquee(obj, step){
obj.find("ul").animate({
marginTop: \'-=1\'
},0,function(){
var s = Math.abs(parseInt($(this).css("margin-top")));
if(s >= step){
$(this).find("li").slice(0, 1).appendTo($(this));
$(this).css("margin-top", 0);
}
});
}
this.each(function(i){
var sh = opts["rowHeight"],speed = opts["speed"],_this = $(this);
intId[i] = setInterval(function(){
if(_this.find("ul").height()<=_this.height()){
clearInterval(intId[i]);
}else{
marquee(_this, sh);
}
}, speed);
_this.hover(function(){
clearInterval(intId[i]);
},function(){
intId[i] = setInterval(function(){
if(_this.find("ul").height()<=_this.height()){
clearInterval(intId[i]);
}else{
marquee(_this, sh);
}
}, speed);
});
});
}
})(jQuery);
jQuery的代码如下
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n=="object"?n[v.expando]?n:new v.Event(y,n):new v.Event(y),n.type=y,n.isTrigger=!0,n.exclusive=a,n.namespace=b.join("."),n.namespace_re=n.namespace?new RegExp("(^|\\\\.)"+b.join("\\\\.(?:.*\\\\.|)")+"(\\\\.|$)"):null,h=y.indexOf(":")<0?"on"+y:"";if(!s){u=v.cache;for(f in u)u[f].events&&u[f].events[y]&&v.event.trigger(n,r,u[f].handle.elem,!0);return}n.result=t,n.target||(n.target=s),r=r!=null?v.makeArray(r):[],r.unshift(n),p=v.event.special[y]||{};if(p.trigger&&p.trigger.apply(s,r)===!1)return;m=[[s,p.bindType||y]];if(!o&&!p.noBubble&&!v.isWindow(s)){g=p.delegateType||y,l=Y.test(g+y)?s:s.parentNode;for(c=s;l;l=l.parentNode)m.push([l,g]),c=l;c===(s.ownerDocument||i)&&m.push([c.defaultView||c.parentWindow||e,g])}for(f=0;f<m.length&&!n.isPropagationStopped();f++)l=m[f][0],n.type=m[f][1],d=(v._data(l,"events")||{})[n.type]&&v._data(l,"handle"),d&&d.apply(l,r),d=h&&l[h],d&&v.acceptData(l)&&d.apply&&d.apply(l,r)===!1&&n.preventDefault();return n.type=y,!o&&!n.isDefaultPrevented()&&(!p._default||p._default.apply(s.ownerDocument,r)===!1)&&(y!=="click"||!v.nodeName(s,"a"))&&v.acceptData(s)&&h&&s[y]&&(y!=="focus"&&y!=="blur"||n.target.offsetWidth!==0)&&!v.isWindow(s)&&(c=s[h],c&&(s[h]=null),v.event.triggered=y,s[y](),v.event.triggered=t,c&&(s[h]=c)),n.result}return},dispatch:function(n){n=v.event.fix(n||e.event);var r,i,s,o,u,a,f,c,h,p,d=(v._data(this,"events")||{})[n.type]||[],m=d.delegateCount,g=l.call(arguments),y=!n.exclusive&&!n.namespace,b=v.event.special[n.type]||{},w=[];g[0]=n,n.delegateTarget=this;if(b.preDispatch&&b.preDispatch.call(this,n)===!1)return;if(m&&(!n.button||n.type!=="click"))for(s=n.target;s!=this;s=s.parentNode||this)if(s.disabled!==!0||n.type!=="click"){u={},f=[];for(r=0;r<m;r++)c=d[r],h=c.selector,u[h]===t&&(u[h]=c.needsContext?v(h,this).index(s)>=0:v.find(h,this,null,[s]).length),u[h]&&f.push(c);f.length&&w.push({elem:s,matches:f})}d.length>m&&w.push({elem:this,matches:d.slice(m)});for(r=0;r<w.length&&!n.isPropagationStopped();r++){a=w[r],n.currentTarget=a.elem;for(i=0;i<a.matches.length&&!n.isImmediatePropagationStopped();i++){c=a.matches[i];if(y||!n.namespace&&!c.namespace||n.namespace_re&&n.namespace_re.test(c.namespace))n.data=c.data,n.handleObj=c,o=((v.event.special[c.origType]||{}).handle||c.handler).apply(a.elem,g),o!==t&&(n.result=o,o===!1&&(n.preventDefault(),n.stopPropagation()))}}return 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i=v.extend(new v.Event,n,{type:e,isSimulated:!0,originalEvent:{}});r?v.event.trigger(i,null,t):v.event.dispatch.call(t,i),i.isDefaultPrevented()&&n.preventDefault()}},v.event.handle=v.event.dispatch,v.removeEvent=i.removeEventListener?function(e,t,n){e.removeEventListener&&e.removeEventListener(t,n,!1)}:function(e,t,n){var r="on"+t;e.detachEvent&&(typeof e[r]=="undefined"&&(e[r]=null),e.detachEvent(r,n))},v.Event=function(e,t){if(!(this instanceof v.Event))return new v.Event(e,t);e&&e.type?(this.originalEvent=e,this.type=e.type,this.isDefaultPrevented=e.defaultPrevented||e.returnValue===!1||e.getPreventDefault&&e.getPreventDefault()?tt:et):this.type=e,t&&v.extend(this,t),this.timeStamp=e&&e.timeStamp||v.now(),this[v.expando]=!0},v.Event.prototype={preventDefault:function(){this.isDefaultPrevented=tt;var e=this.originalEvent;if(!e)return;e.preventDefault?e.preventDefault():e.returnValue=!1},stopPropagation:function(){this.isPropagationStopped=tt;var e=this.originalEvent;if(!e)return;e.stopPropagation&&e.stopPropagation(),e.cancelBubble=!0},stopImmediatePropagation:function(){this.isImmediatePropagationStopped=tt,this.stopPropagation()},isDefaultPrevented:et,isPropagationStopped:et,isImmediatePropagationStopped:et},v.each({mouseenter:"mouseover",mouseleave:"mouseout"},function(e,t){v.event.special[e]={delegateType:t,bindType:t,handle:function(e){var n,r=this,i=e.relatedTarget,s=e.handleObj,o=s.selector;if(!i||i!==r&&!v.contains(r,i))e.type=s.origType,n=s.handler.apply(this,arguments),e.type=t;return n}}}),v.support.submitBubbles||(v.event.special.submit={setup:function(){if(v.nodeName(this,"form"))return!1;v.event.add(this,"click._submit keypress._submit",function(e){var n=e.target,r=v.nodeName(n,"input")||v.nodeName(n,"button")?n.form:t;r&&!v._data(r,"_submit_attached")&&(v.event.add(r,"submit._submit",function(e){e._submit_bubble=!0}),v._data(r,"_submit_attached",!0))})},postDispatch:function(e){e._submit_bubble&&(delete 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