我为 www.edietty.com 的每个请求添加了一个特定的滑块，但它没有为每个图像分配 href 的变量。我的第一个想法是尝试单击以定向到确切的 URL，但是每当我尝试添加 href 时，它都会导致滑块不显示。我试图通过 $('#main_image').attr('src','image1.jpg') 进行设计，但是当整个滑块停止显示时，我决定崩溃并寻求帮助。
滑块来自 John Polacek http://johnpolacek.github.com/ResponsiveThumbnailGallery/
html是：
<article><div id="gallery"></div></article>
JQuery 是：
(function($) {
$.ThumbnailGallery = function(el, options) {
var isUnderBreakpoint,
currImageNumber,
imagesPath,
imageWidth,
imageHeight,
thumbWidth,
thumbHeight,
gallery,
view,
mainImage,
nav,
thumbnails,
buttons;
var defaults = {
thumbImages: 'img/thumbs/thumb',
smallImages: 'img/small/image',
largeImages: 'img/large/image',
count: 5,
thumbImageType: 'jpg',
breakpoint: 600,
imageType: 'jpg',
shadowStrength: 1
}
var plugin = this;
plugin.settings = {}
var init = function() {
plugin.settings = $.extend({}, defaults, options);
this.el = el;
gallery = $(el).empty();
view = $('<div id="gallery-view"></div>');
view.css('margin','0 auto -1px');
nav = $('<div id="gallery-nav"></div>');
nav
.css('margin','0 auto')
.css('position','relative')
.css('background-color','#222');
thumbnails = $('<div id="nav-thumbnails"></div>');
buttons = $('<div id="nav-buttons"></div>');
buttons
.css('position','absolute')
.css('top','0');
gallery.append(view, nav);
nav.append(thumbnails, buttons);
isUnderBreakpoint = $(window).width() < plugin.settings.breakpoint;
imagesPath = isUnderBreakpoint ?
plugin.settings.smallImages : plugin.settings.largeImages;
updateMainImage(1);
for (var i=0; i<plugin.settings.count; i++) {
var button = $('<a href="#" class="gallery-button"></a>');
button
.css('display','block')
.css('float','left');
var thumbImage = $('<img class="thumbnail-image" src="'+(plugin.settings.thumbImages)+(i+1)+'.'+plugin.settings.thumbImageType+'" />');
thumbImage
.css('display','block')
.css('float','left');
if (i===0) {
thumbImage.load(function() {
thumbWidth = this.width;
thumbHeight = this.height;
$('.gallery-button')
.css('width',this.width)
.css('height',this.height);
nav.css('height',thumbHeight);
thumbnails.css('height',thumbHeight);
updateSize();
});
} else {
button
.css('box-shadow','0px 4px 8px rgba(0,0,0,'+ plugin.settings.shadowStrength +') inset')
.css('background-color','rgba(0,0,0,'+ plugin.settings.shadowStrength/2 +')');
}
thumbnails.append(thumbImage);
buttons.append(button);
}
buttons.delegate('.gallery-button', 'click', function(e){
e.preventDefault();
$('.gallery-button')
.css('box-shadow','0px 4px 8px rgba(0,0,0,'+ plugin.settings.shadowStrength +') inset')
.css('background-color','rgba(0,0,0,'+ plugin.settings.shadowStrength/2 +')');
$(this)
.css('box-shadow','none')
.css('background','none');
updateMainImage($(this).index()+1);
});
$(window).resize(function(e) {
updateSize();
});
}
function updateMainImage(imageNumber) {
currImageNumber = imageNumber;
mainImage = $('<img src="'+imagesPath+imageNumber+'.'+plugin.settings.imageType+'" id="main-image" />');
mainImage.load(function() {
view.empty().append(mainImage);
updateSize();
});
$("<img/>") // Make in memory copy of image to avoid css issues
.attr("src", $(mainImage).attr("src"))
.load(function() {
imageWidth = this.width;
imageHeight = this.height;
});
}
function updateSize() {
if (thumbWidth && imageWidth) {
var galleryWidth = gallery.width();
// check breakpoint
if (isUnderBreakpoint != $(window).width() < plugin.settings.breakpoint) {
// update main image
isUnderBreakpoint = $(window).width() < plugin.settings.breakpoint;
imagesPath = isUnderBreakpoint ?
plugin.settings.smallImages : plugin.settings.largeImages;
updateMainImage(currImageNumber);
}
// set main image size
if (galleryWidth < imageWidth) {
mainImage
.css('width', galleryWidth)
.css('height','');
} else {
galleryWidth = imageWidth;
mainImage
.css('width',imageWidth)
.css('height','');
}
// calculate number of rows
var numThumbs = plugin.settings.count;
var thumbSize = galleryWidth / numThumbs;
var numRows = 1;
var thumbScale = thumbSize / thumbWidth;
var imageScale = galleryWidth / imageWidth;
// if thumb is below scale threshold, add new row
while (thumbScale < .5) {
numRows++;
thumbSize = (galleryWidth * numRows) / numThumbs;
thumbScale = thumbSize / thumbWidth;
}
// set thumbnail sizes
var thumbsRemainder = numThumbs; // tracks thumbs left to scale
var thumbIndex = 0; // tracks thumb index to be scaled
for (var i=0; i<numRows; i++) {
var numThumbsInRow = Math.ceil(thumbsRemainder / (numRows-i));
// scale thumbs in row
for (var j=0; j<numThumbsInRow; j++) {
thumbScale = (galleryWidth / numThumbsInRow) / thumbWidth;
var newWidth = thumbWidth * thumbScale;
var newHeight = thumbHeight * thumbScale;
$('.thumbnail-image:eq('+thumbIndex+')')
.css('width',newWidth)
.css('height',newHeight);
$('.thumbnail-image:eq('+thumbIndex+') img')
.css('width',newWidth)
.css('height',newHeight);
$('.gallery-button:eq('+thumbIndex+')')
.css('width',newWidth)
.css('height',newHeight);
$('.gallery-button:eq('+thumbIndex+') img')
.css('width',newWidth)
.css('height',newHeight);
thumbIndex++;
}
thumbsRemainder -= numThumbsInRow;
}
}
// update view size
view.width(galleryWidth);
view.height(mainImage.height());
// update nav size
nav.width(galleryWidth);
nav.height(thumbHeight * thumbScale * numRows);
}
init();
}
})(jQuery);