[英]Can someone explain how to make this jQuery slider autoplay and loop?
這是我要循環播放的滑塊:
http://sixrevisions.com/demo/slideshow/final.html
我能夠添加
timer = window.setInterval("autoSlide()", 5000);
function autoSlide(){ jQuery("#rightControl").click(); }
到jQuery編碼的末尾,並每5秒鍾將其移至下一張幻燈片。 但是,在最后一張幻燈片之后,它只是繼續“單擊” rightControl按鈕。 如何在上一張幻燈片之后循環播放?
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var currentPosition = 0;
var slideWidth = 560;
var slides = $('.slide');
var numberOfSlides = slides.length;
// Remove scrollbar in JS
$('#slidesContainer').css('overflow', 'hidden');
// Wrap all .slides with #slideInner div
slides
.wrapAll('<div id="slideInner"></div>')
// Float left to display horizontally, readjust .slides width
.css({
'float' : 'left',
'width' : slideWidth
});
// Set #slideInner width equal to total width of all slides
$('#slideInner').css('width', slideWidth * numberOfSlides);
// Insert controls in the DOM
$('#slideshow')
.prepend('<span class="control" id="leftControl">Clicking moves left</span>')
.append('<span class="control" id="rightControl">Clicking moves right</span>');
// Hide left arrow control on first load
manageControls(currentPosition);
// Create event listeners for .controls clicks
$('.control')
.bind('click', function(){
// Determine new position
currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
// Hide / show controls
manageControls(currentPosition);
// Move slideInner using margin-left
$('#slideInner').animate({
'marginLeft' : slideWidth*(-currentPosition)
});
});
// manageControls: Hides and Shows controls depending on currentPosition
function manageControls(position){
// Hide left arrow if position is first slide
if(position==0){ $('#leftControl').hide() } else{ $('#leftControl').show() }
// Hide right arrow if position is last slide
if(position==numberOfSlides-1){ $('#rightControl').hide() } else{ $('#rightControl').show() }
}
});
我認為這個jsfiddle是您想要的。
基本上替換為:
currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
使用以下內容,檢查是否在幻燈片的一端:
if ($(this).attr('id') == 'rightControl') { currentPosition = currentPosition >= slides.length - 1 ? 0 : currentPosition + 1; } else { currentPosition = currentPosition <= 0 ? slides.length - 1 : currentPosition - 1; }
我繼續並添加了左移支票,但您可能不需要它。
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