答案 0 :(得分:0)
演示:
$(document).ready(function() {
$('#rootwizard').bootstrapWizard({onTabShow: function(tab, navigation, index) {
var $total = navigation.find('li').length;
var $current = index+1;
var $percent = ($current/$total) * 100;
$('#rootwizard').find('.bar').css({width:$percent+'%'});
}});
});

<link href="http://vadimg.com/twitter-bootstrap-wizard-example/bootstrap/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap-wizard/1.2/jquery.bootstrap.wizard.min.js"></script>
<div id="rootwizard">
<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul>
<li><a href="#tab1" data-toggle="tab">First</a></li>
<li><a href="#tab2" data-toggle="tab">Second</a></li>
<li><a href="#tab3" data-toggle="tab">Third</a></li>
<li><a href="#tab4" data-toggle="tab">Forth</a></li>
<li><a href="#tab5" data-toggle="tab">Fifth</a></li>
<li><a href="#tab6" data-toggle="tab">Sixth</a></li>
<li><a href="#tab7" data-toggle="tab">Seventh</a></li>
</ul>
</div>
</div>
</div>
<div id="bar" class="progress progress-striped active">
<div class="bar"></div>
</div>
<div class="tab-content">
<div class="tab-pane" id="tab1">
1
</div>
<div class="tab-pane" id="tab2">
2
</div>
<div class="tab-pane" id="tab3">
3
</div>
<div class="tab-pane" id="tab4">
4
</div>
<div class="tab-pane" id="tab5">
5
</div>
<div class="tab-pane" id="tab6">
6
</div>
<div class="tab-pane" id="tab7">
7
</div>
<ul class="pager wizard">
<li class="previous first" style="display:none;"><a href="#">First</a></li>
<li class="previous"><a href="#">Previous</a></li>
<li class="next last" style="display:none;"><a href="#">Last</a></li>
<li class="next"><a href="#">Next</a></li>
</ul>
</div>
</div>
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