marquee.htc
代碼如下:
// 描述 : 無間斷滾動字幕
// 版本 : 2.0
// 作者 : 寶玉(webuc.net)
// 最新更新 : 2004-10-26
// 備 :
<public:component>
<public:attach event=oncontentready onevent=f_init() />
<public:attach event=onpropertychange onevent=f_propchange() />
<public:property name=direction />
<public:property name=speed />
<public:property name=delay />
<public:method name=marquee/>
<public:method name=stop/>
<public:method name=start/>
</public:component>
<script language=jscript>
var _omarqueecontent;
var _omarquee;
var _speed = 2;
var _orientation;
var _direction = up;
var _contentwidth;
var _contentheight;
var _marqueewidth;
var _marqueeheight;
var _paddingtop;
var _firstnode = 1;
var _count = 0;
var _timer = null;
var _pause = false;
var _marqueeinterval = 100; // 滾動間隔
var _delayinterval = 2000; // 標(biāo)題顯示延遲間隔
//+----------------------------------------------------------------------------
// function: f_init
// description: 初始化
// parameters: null
// returns: null
//-----------------------------------------------------------------------------
function f_init()
{
_omarquee = document.createelement(div);
_omarqueecontent = document.createelement(span);
_omarqueecontent.innerhtml = element.innerhtml;
_omarquee.appendchild(_omarqueecontent);
element.innerhtml = ;
element.appendchild(_omarquee);
if(speed == null) speed = _speed;
speed = parseint(speed);
if(!speed) speed =_speed;
if(delay == null) delay = _delayinterval;
delay = parseint(delay);
if(!delay) delay = _delayinterval;
if(direction == null) direction =_direction;
direction = direction.tolowercase();
if(direction != left && direction != right && direction != up && direction != down)
direction = _direction;
_orientation= (direction == left || direction == right) ? horizontal : vertical
initmarquee();
marquee();
}
function initmarquee()
{
_marqueewidth = _omarquee.offsetwidth;
_marqueeheight = _omarquee.offsetheight;
_count = _omarqueecontent.children.length;
_contentwidth = _omarqueecontent.offsetwidth;
_contentheight = _omarqueecontent.offsetheight;
_paddingtop = _omarquee.offsettop;
fillmarquee()
_omarqueecontent.style.position = relative;
_omarqueecontent.style.pixeltop = 0;
}
function fillmarquee()
{
var children = _omarqueecontent.children;
var i = 0;
if (_orientation== horizontal)
{
while (_omarqueecontent.offsetwidth < _contentwidth + _marqueewidth)
{
_omarqueecontent.appendchild(children[i++].clonenode(true));
}
}
else
{
while (_omarqueecontent.offsetheight < _contentheight + _marqueeheight)
{
_omarqueecontent.appendchild(children[i++].clonenode(true));
}
}
}
function marquee()
{
if (_pause)
return;
switch(direction)
{
case up:
_omarqueecontent.style.pixeltop -= speed;
if(math.abs(_omarqueecontent.style.pixeltop + _contentheight + _paddingtop) < speed)
_omarqueecontent.style.pixeltop = 0;
if (math.abs(_omarqueecontent.children[_firstnode].offsettop) - _paddingtop < speed)
{
_firstnode++;
if (_firstnode >= _count)
_firstnode = 0;
_timer = window.settimeout(uniqueid + .marquee(), _delayinterval);
}
else
_timer = window.settimeout(uniqueid + .marquee(), _marqueeinterval);
break;
}
}
function stop()
{
cleartimer();
_pause = true;
}
function start()
{
if (_timer != null)
cleartimer();
_pause = false;
marquee();
}
function cleartimer()
{
window.cleartimeout(_timer);
_timer = null;
}
//
// cancels an event
//
function f_cancelevent()
{
event.returnvalue = false;
}
//
// a property changed
//
function f_propchange()
{
switch (event.propertyname)
{
default:
f_redraw();
break;
}
}
//
// forces a redraw of the control
//
function f_redraw()
{
}
</script>
html文件
代碼如下:
<style>
body,td{
font-size:9pt;
}
.marquee{
overflow-y:hidden;word-break:break-all;padding:10px;
behavior:url('marquee.htc');
}
.marquee div{
padding-bottom:10px;
}
</style>
無間斷滾動<br />
每個標(biāo)題間有停留<br />
鼠標(biāo)移入停止，鼠標(biāo)移出繼續(xù)滾動<br />
<span style=height:100px;width:200px;border:1px solid black; delay=3000 class=marquee onmouseover=this.stop() onmouseout=this.start()>
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</span>
<script>
</script>