有两个标签分别命名为" First标签"one_answers" Second标签"。在第一个选项卡中，"first name"是必填字段，在第二个选项卡中，"email"是必填字段。当用户试图点击第二个选项卡，而不是在第一个选项卡中填写所需的字段时，应该显示一条警告消息，并且不应该允许进入第二个选项卡，除非他在第一个选项卡中填写了所需的信息，第二个选项卡也是如此。
代码
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Case</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="parsley.min.js"></script>
<script type="text/javascript">
var validate_form = function (form) {
if (true === form.parsley().isValid()){
$('.bs-callout-info').removeClass('hidden');
$('.bs-callout-warning').addClass('hidden');
var link = $('#mytabs .active').next().children('a').attr('href');
$('#mytabs a[href="' + link + '"]').tab('show');
return true;
} else {
$('.bs-callout-info').addClass('hidden');
$('.bs-callout-warning').removeClass('hidden');
return false;
}
};
</script>
</head>
<body>
<div class="container">
<div class="" role="tabpanel" data-example-id="togglable-tabs">
<ul class="nav nav-tabs bar_tabs tabs" role="tablist" id="mytabs">
<li role="presentation">
<a href="#first" id="li_first_tab" role="tab" data-toggle="tab">First tab</a>
</li>
<li role="presentation">
<a href="#second" id="li_second_tab" role="tab" data-toggle="tab">Second tab</a>
</li>
</ul>
<div id="myTabContent" class="tab-content">
<div class="tab-pane fade active in " id="first">
<form id="tab_form" enctype="multipart/form-data" method="POST" data-parsley-validate class="form-horizontal form-label-left">
<div class="form-group">
<label for="first_name" class="control-label col-md-12 col-sm-12 col-xs-12">First Name<span class="required">*</span></label>
<div class="col-md-12 col-sm-12 col-xs-12">
<input required="required" id="first_name" class="form-control col-md-7 col-xs-12" type="text" name="first_name" />
</div>
</div>
<div class="form-group">
<label for="last_name" class="control-label col-md-12 col-sm-12 col-xs-12">Last Name</label>
<div class="col-md-12 col-sm-12 col-xs-12">
<input id="last_name" class="form-control col-md-7 col-xs-12" type="text" name="last_name" />
</div>
</div>
<div class="form-group">
<div class="col-md-6 col-sm-6 col-xs-12 col-md-offset-3">
<input type="button" name="editBtn" value="Save" />
</div>
</div>
</form>
</div>
<div class="tab-pane fade" id="second">
<form id="tab_form" enctype="multipart/form-data" method="POST" data-parsley-validate class="form-horizontal form-label-left" >
<div class="form-group">
<label for="email" class="control-label col-md-12 col-sm-12 col-xs-12">Email<span class="required">*</span></label>
<div class="col-md-12 col-sm-12 col-xs-12">
<input required="required" id="email" class="form-control col-md-7 col-xs-12" type="text" name="email" />
</div>
</div>
<div class="form-group">
<label for="pnone" class="control-label col-md-12 col-sm-12 col-xs-12">Phone</label>
<div class="col-md-12 col-sm-12 col-xs-12">
<input id="phone" class="form-control col-md-7 col-xs-12" type="text" name="phone" />
</div>
</div>
<div class="form-group">
<div class="col-md-6 col-sm-6 col-xs-12 col-md-offset-3">
<input type="button" name="editBtn" value="Save" />
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</body>
</html>
<script type="text/javascript">
$(document).ready(function() {
validate();
$('#first_name, #last_name').change(validate);
});
function validate() {
if ($('#first_name').val().length > 0 &&
$('#last_name').val().length > 0) {
$("#second").prop("disabled", false);
$("#li_second_tab").prop("disabled", false);
} else {
$("#second").prop("disabled", true);
$("#li_second_tab").prop("disabled", true);
}
}
</script>