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tab 点击左侧导航，右侧对应内容上移顶部（动画）

2016-01-11 16:23 495 查看
<!DOCTYPE html>
<html>

<head>
<meta charset="utf-8">
<script src="http://code.jquery.com/jquery-1.8.0.min.js" type="text/javascript" charset="utf-8"></script>
<title></title>
</head>
<style type="text/css">
.cp_mid {
width: 1210px;
margin: 0 auto;
position: relative;
height: 2000px;
overflow: hidden;
}

.cp_leftnav {
width: 200px;
height: 60px;
line-height: 60px;
text-align: left;
z-index: 129;
padding-left: 10px;
font-size: 16px;
font-weight: bold;
color: #333;
}

.cp_rightcont {
margin-left: 15px;
/*margin-bottom: 35px;*/
height: 255px;
position: absolute;
background: #FFF;
z-index: 100;
background: #CCCCCC;
text-align: center;
}

.cp_rightp {
width: 630px;
}

.cp_rightp p {
line-height: 36px;
color: #666;
margin-left: 20px;
font-size: 14px;
}

.cp_rightbtn {
border-radius: 5px;
background-color: rgb( 14, 110, 184);
width: 98px;
height: 30px;
color: #FFFFFF;
line-height: 30px;
text-align: center;
font-size: 14px;
margin-left: 20px;
z-index: 118;
float: right;
margin-right: 30px;
}

.cp_right {
width: 970px;
position: absolute;
height: 2000px;
left: 210px;
margin-left: 30px;
}

.cp_left:hover .cp_leftnavact {
cursor: pointer;
}

.cp_left:hover .cp_leftnav {
cursor: pointer;
}

.hide {
display: none;
}

.left {
float: left;
}

.cp_rightcont {
background: #CCC5C0 none repeat scroll 0 0;
height: 255px;
margin-left: 15px;
position: absolute;
width: 100%;
line-height: 255px;
font-size: 30px;
}

.clearfix {
display: inline-block;
}

.cp_right {
height: 2000px;
left: 210px;
margin-left: 30px;
position: absolute;
width: 970px;
}

.cp_leftnavact {
background-color: rgb(239, 239, 239);
}
</style>

<body>
<div class="cp_mid">
<div class="cp_left left">
<div class="cp_leftnav cp_leftnavact">
1
</div>
<div class="cp_leftnav">
2
</div>
<div class="cp_leftnav">
3
</div>
<div class="cp_leftnav">
4
</div>
<div class="cp_leftnav">
5
</div>
<div class="cp_leftnav">
6
</div>
<div class="cp_leftnav">
7
</div>
</div>
<div class="cp_right left">
<div class="cp_rightcont clearfix">
1
</div>
<div class="cp_rightcont clearfix">
2
</div>
<div class="cp_rightcont clearfix">
3
</div>
<div class="cp_rightcont clearfix">
4
</div>
<div class="cp_rightcont clearfix">
5
</div>
<div class="cp_rightcont clearfix">
6
</div>
<div class="cp_rightcont clearfix">
7
</div>

</div>
</div>
</body>

</html>
<script type="text/javascript">
var h2 = 0;
for (var i = 0; i < 7; i++) {
var h = $('.cp_rightcont').eq(i).height();
h2 = h2 + h;
}
for (var i = 0; i < 7; i++) {
//			alert('a');
$('.cp_right .cp_rightcont').eq(i).css('top', i * 156 + 'px').css('z-index', i + 1);
//			alert('a');
}
$('.cp_left div').click(function() {
var index = $(this).index();
$(this).addClass("cp_leftnavact").siblings('div').removeClass("cp_leftnavact");
$('.chanpin_cont').eq(index).show().siblings('.chanpin_cont').hide();
for (var i = 0; i < 7; i++) {
if (!$(".cp_right .cp_rightcont").eq(i).is(":animated")) {
//元素不处于动画中执行。
if (i < index) {
$('.cp_right .cp_rightcont').eq(i).animate({
top: ((i - index) + 7) * 156 + "px"
}, 700, 'swing');
}
if (i >= index) {
$('.cp_right .cp_rightcont').eq(i).animate({
top: (i - index) * 156 + "px"
}, 700, 'swing');
}
}
}
});
</script>
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