<div class="row">

<div class="col-lg-12">

<div class="breadcrumb m-b-sm">

<form action="?search.htm" id="search_form3">

<div class="input-group">

<input type="text" class="form-control" placeholder="关键词" name="keyword" value="">

<span class="input-group-btn"><button class="btn btn-primary" type="submit" id="submit">搜索</button></span>

</div></form>

</div>

</div>

</div>

$(function(){

var jsearch_form3 = $('#search_form3');

jsearch_form3.on('submit', function() {

    var keyword = jsearch_form3.find('input[name="keyword"]').val();

    var url = xn.url('search-'+xn.urlencode(keyword));

    window.location = url;

    return false;

});

});