模态框demo
<div class="modal fade" id="modal_add" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header ">
<h2 class="modal-title" style="text-align: center;">新增链接</h2>
</div>
<div class="modal-body">
<form class="form-horizontal" role="form" id="form-add">
<div class="form-group">
<label for="name" class="col-sm-2 control-label">名称:</label>
<div class="col-sm-10">
<input type="text" class="form-control" id="name" name="name" required>
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button class="btn btn-info" id="btn-add">添加</button>
<button class="btn btn-default" data-dismiss="modal">返回</button>
</div>
</div>
</div>
</div>