jquery实现商品拖动选择效果代码(自写)

效果图如下：
 

主页面index.html:


代码如下:

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>Drag and drop</title>
<link rel="stylesheet" href="main.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script src="jquery-ui-1.9.0.custom.min.js"></script>
</head>
<body>
<div class="container">
<section id="product">
<ul class="clear">
<li data-id="1">
<a href="#">
<img src="img/T14CBxXaVzXXbGir7U_013755.jpg_160x160.jpg" alt="">
<h3><font color="#8A2BE2">我是第一台打印机</font></h3>
</a>
</li>
<li data-id="2">
<a href="#">
<img src="img/T2i06FXa4aXXXXXXXX_!!1128692172.jpg_b.jpg" alt="">
<h3><font color="#A52A2A">我是第二台打印机</font></h3>
</a>
</li>
<li data-id="3">
<a href="#">
<img src="img/T2odyUXf8bXXXXXXXX_!!629457645.jpg_b.jpg" alt="">
<h3><font color="#DEB887">我是第三台打印机</font></h3>
</a>
</li>
<li data-id="4">
<a href="#">
<img src="img/T2OgebXd8cXXXXXXXX_!!441091394.jpg_b.jpg" alt="">
<h3><font color="#5F9EA0">我是第四台打印机</font></h3>
</a>
</li>
<li data-id="5">
<a href="#">
<img src="img/T2TIYaXc4aXXXXXXXX_!!684563508.png_b.jpg" alt="">
<h3><font color="#7FFF00">我是第五台打印机</font></h3>
</a>
</li>
<li data-id="6">
<a href="#">
<img src="img/T2uOlZXoRcXXXXXXXX_!!645750852.jpg_b.jpg" alt="">
<h3><font color="#D2691E">我是第六台打印机</font></h3>
</a>
</li>
<li data-id="7">
<a href="#">
<img src="img/T2WDSCXalcXXXXXXXX_!!409679289.jpg_b.jpg" alt="">
<h3><font color="#6495ED">我是第七台打印机</font></h3>
</a>
</li>
<li data-id="8">
<a href="#">
<img src="img/T2YOORXeXXXXXXXXXX_!!731577459.jpg_b.jpg" alt="">
<h3><font color="#00008B">我是第八台打印机</font></h3>
</a>
</li>
</ul>
</section>
<aside id="sidebar">
<div class="basket">
<div class="basket_list">
<div class="head">
<span class="name">名称</span>
<span class="count">数量</span>
</div>
<ul>
</ul>
</div>
</div>
</aside>
</div>
<script>
$(function () {
// jQuery UI Draggable
$("#product li").draggable({

// brings the item back to its place when dragging is over
revert:true,

// once the dragging starts, we decrease the opactiy of other items
// Appending a class as we do that with CSS
drag:function () {
$(this).addClass("active");
$(this).closest("#product").addClass("active");
},

// removing the CSS classes once dragging is over.
stop:function () {
$(this).removeClass("active").closest("#product").removeClass("active");
}
});
// jQuery Ui Droppable
$(".basket").droppable({

// The class that will be appended to the to-be-dropped-element (basket)
activeClass:"active",

// The class that will be appended once we are hovering the to-be-dropped-element (basket)
hoverClass:"hover",

// The acceptance of the item once it touches the to-be-dropped-element basket
// For different values http://api.jqueryui.com/droppable/#option-tolerance
tolerance:"touch",
drop:function (event, ui) {

var basket = $(this),
move = ui.draggable,
itemId = basket.find("ul li[data-id='" + move.attr("data-id") + "']");

// To increase the value by +1 if the same item is already in the basket
if (itemId.html() != null) {
itemId.find("input").val(parseInt(itemId.find("input").val()) + 1);
}
else {
// Add the dragged item to the basket
addBasket(basket, move);

// Updating the quantity by +1" rather than adding it to the basket
move.find("input").val(parseInt(move.find("input").val()) + 1);
}
}
});
// This function runs onc ean item is added to the basket
function addBasket(basket, move) {
basket.find("ul").append('<li data-id="' + move.attr("data-id") + '">'
+ '<span class="name">' + move.find("h3").html() + '</span>'
+ '<input class="count" value="1" type="text">'
+ '<button class="delete">✕</button>');
}
// The function that is triggered once delete button is pressed
$(".basket ul li button.delete").live("click", function () {
$(this).closest("li").remove();
});
});
</script>
</body>
</html>

jquery-ui-1.9.0.custom.min.js
main.css:


代码如下:

/* reset & .clear
----------------------------*/
* {
margin: 0;
padding: 0;
}
.clear:before,
.clear:after {
content: " ";
display: table;
}
.clear:after { clear: both }
.clear { *zoom: 1 }
/* MAIN
----------------------------*/
body {
font: normal 12px/1.3 arial, sans-serif;
background-color: #eee;
}
li { list-style: none }
a { text-decoration: none }
.container {
position: relative;
width: 920px;
margin: 30px auto;
}
.container #product {
position: relative;
z-index: 2;
float: left;
width: 670px;
}
.container #sidebar {
position: relative;
z-index: 1;
float: right;
width: 224px;
}
/* PRODUCTS
----------------------------*/
#product ul {
width: 680px;
margin-left: -10px; }
#product ul li {
position: relative;
float: left;
width: 150px;
margin: 0 0 10px 10px;
padding: 5px;
background-color: #fff;
border-radius: 4px;
-webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
-webkit-transition: -webkit-transform .1s ease;
-moz-transition: -webkit-transform .1s ease;
-o-transition: -webkit-transform .1s ease;
-ms-transition: -webkit-transform .1s ease;
transition: transform .1s ease;
}
#product ul li:hover {
background-color: #fff8c1;
}
#product.active ul li {
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=40)";
filter: alpha(opacity = 40);
opacity: .4;
}
#product.active ul li.active {
z-index: 2;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: alpha(opacity = 100);
opacity: 1;
-webkit-transform-origin: 50% 50%;
-moz-transform-origin: 50% 50%;
-o-transform-origin: 50% 50%;
-ms-transform-origin: 50% 50%;
transform-origin: 50% 50%;
-webkit-transform: scale(.6);
-moz-transform: scale(.6);
-o-transform: scale(.6);
-ms-transform: scale(.6);
transform: scale(.6);
}
#product ul li a {
display: block;
color: #000
}
#product ul li a h3 {
margin-top: 5px;
}
#product ul li a h3,
#product ul li a p {
white-space: nowrap;
overflow: hidden;
-o-text-overflow: ellipsis;
-ms-text-overflow: ellipsis;
text-overflow: ellipsis;
}
#product ul li a img { width:150px;height:150px;display: block }
/* BASKET
----------------------------*/
.basket {
position: relative;
}
.basket .basket_list {
width: 220px;
background-color: #fff;
border: 2px dashed transparent;
border-radius: 4px;
-webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
}
.basket.active .basket_list,
.basket.hover .basket_list { border-color: #ffa0a3 }
.basket.active .basket_list { background-color: #fff8c1 }
.basket.hover .basket_list { background-color: #ffa0a3 }
/* .head */
.basket .head {
overflow: hidden;
margin: 0 10px;
height: 26px;
line-height: 26px;
color: #666;
border-bottom: 1px solid #ddd;
}
.basket .head .name { float: left }
.basket .head .count { float: right }
/* .head */
.basket ul { padding-bottom: 10px }
.basket ul li {
position: relative;
clear: both;
overflow: hidden;
margin: 0 10px;
height: 26px;
line-height: 32px;
border-bottom: 1px dashed #eee;
}
.basket ul li:hover { border-bottom-color: #ccc }
.basket ul li span.name {
display: block;
float: left;
width: 165px;
font-weight: bold;
white-space: nowrap;
overflow: hidden;
-o-text-overflow: ellipsis;
-ms-text-overflow: ellipsis;
text-overflow: ellipsis;
-webkit-transition: width .2s ease;
-moz-transition: width .2s ease;
-o-transition: width .2s ease;
-ms-transition: width .2s ease;
transition: width .2s ease;
}
.basket ul li:hover span.name { width: 146px }
.basket ul li input.count {
float: right;
margin: 3px 2px 0 0;
width: 25px;
line-height: 20px;
text-align: center;
border: 0;
border-radius: 3px;
background-color: #ddd;
}
.basket ul li button.delete {
position: absolute;
right: 30px;
top: 3px;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
filter: alpha(opacity = 0);
opacity: 0;
width: 20px;
line-height: 20px;
height: 20px;
text-align: center;
font-size: 11px;
border: 0;
color: #EE5757;
background-color: #eee;
border-radius: 3px;
cursor: pointer;
-webkit-transition: opacity .2s ease;
-moz-transition: opacity .2s ease;
-o-transition: opacity .2s ease;
-ms-transition: opacity .2s ease;
transition: opacity .2s ease;
}
.basket ul li:hover button.delete {
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: alpha(opacity = 100);
opacity: 1;
}
.basket ul li button.delete:hover {
color: #fff;
background-color: #ffa0a3;
}
.basket ul li button.delete:active {
color: #fff;
background-color: #EE5757;
}