jQuery实现产品对比功能附源码下载

<div class="selectProduct" data-title="华为P9" data-id="华为P9" data-size="5.2"" data-weight="144 g" data-os="Android 6.0" data-processor="海思麒麟955 2.5GHz(8核)" data-battery="3000mAH"> 
<a class="btn-floating light-grey addButtonCircular addToCompare">+</a> 
<img src="images/huawei_p9.jpg" class="imgFill productImg"> 
<h4>华为 P9</h4> 
</div>

<div class="row"> 
<div class="col-md-12 comparePanle"> 
<div class="row"> 
<div class="col-md-9"> 
<h4>对比中的产品</h4> 
</div> 
<div class="col-md-3"> 
<button class="btn btn-default cmprBtn" disabled>开始对比</button> 
</div> 
</div> 
<div class="comparePan"></div> 
</div> 
</div>

<div id="id01" class="animate-zoom modal modPos"> 
<div class="modal-title"> 
<a onclick="document.getElementById('id01').style.display='none'" class="modal-closebtn">&times;</a> 
</div> 
<div class="row contentPop"></div> 
</div>

var list = []; 
//添加到对比项 
$(document).on('click', '.addToCompare', function () { 
$(".comparePanle").show(); 
$(this).toggleClass("rotateBtn"); 
$(this).parents(".selectProduct").toggleClass("selected"); 
var productID = $(this).parents('.selectProduct').attr('data-title'); 
var inArray = $.inArray(productID, list); 
if (inArray < 0) { 
if (list.length > 2) { 
alert('最多只能选择3个产品'); 
$(this).toggleClass("rotateBtn"); 
$(this).parents(".selectProduct").toggleClass("selected"); 
return; 
} 
if (list.length < 3) { 
list.push(productID); 
var displayTitle = $(this).parents('.selectProduct').attr('data-id'); 
var image = $(this).siblings(".productImg").attr('src'); 
$(".comparePan").append('<div id="' + productID + '" class="relPos col-md-3 text-center"><a class="selectedItemCloseBtn closebtn">&times</a><img src="' + image + '" alt="image" style="height:100px;"/><p id="' + productID + '" class="ptitle">' + displayTitle + '</p></div>'); 
} 
} else { 
list.splice($.inArray(productID, list), 1); 
var prod = productID.replace(" ", ""); 
$('#' + prod).remove(); 
hideComparePanel(); 
} 
if (list.length > 1) { 
$(".cmprBtn").addClass("active"); 
$(".cmprBtn").removeAttr('disabled'); 
} else { 
$(".cmprBtn").removeClass("active"); 
$(".cmprBtn").attr('disabled', ''); 
} 
});

$(document).on('click', '.cmprBtn', function () { 
if ($(".cmprBtn").hasClass("active")) { 
/* this is to print the features list statically*/ 
$(".contentPop").append('<div class="col-md-3 compareItemParent relPos">' + '<ul class="product"><li class=" relPos compHeader">产品信息</li><li>名称</li><li>屏幕大小</li><li>重量</li><li>系统</li><li class="cpu">CPU</li><li>电池容量</li></ul></div>'); 
for (var i = 0; i < list.length; i++) { 
/* this is to add the items to popup which are selected for comparision */ 
product = $('.selectProduct[data-title="' + list[i] + '"]'); 
var image = $('[data-title=' + list[i] + ']').find(".productImg").attr('src'); 
var title = $('[data-title=' + list[i] + ']').attr('data-id'); 
/*appending to div*/ 
$(".contentPop").append('<div class="col-md-3 compareItemParent relPos">' + '<ul class="product">' + '<li class="compHeader"><img src="' + image + '" class="compareThumb"></li>' + '<li>' + title + '</li>' + '<li>' + $(product).data('size') + '</li>' + '<li>' + $(product).data('weight') + '</li><li>'+ $(product).data('os') +'</li><li class="cpu">' + $(product).data('processor') + '</li>' + '<li>' + $(product).data('battery') + '</ul>' + '</div>'); 
} 
} 
$(".modPos").show(); 
});

$(document).on('click', '.modal-closebtn', function () { 
$(".contentPop").empty(); 
$(".comparePan").empty(); 
$(".comparePanle").hide(); 
$(".modPos").hide(); 
$(".selectProduct").removeClass("selected"); 
$(".cmprBtn").attr('disabled', ''); 
list.length = 0; 
$(".rotateBtn").toggleClass("rotateBtn"); 
});

$(document).on('click', '.selectedItemCloseBtn', function () { 
var test = $(this).siblings("p").attr('id'); 
$('[data-title=' + test + ']').find(".addToCompare").click(); 
hideComparePanel(); 
}); 
function hideComparePanel() { 
if (!list.length) { 
$(".comparePan").empty(); 
$(".comparePanle").hide(); 
} 
}