bootstrap 模态框居中(亲测有效)
<script>
$(document).ready(function(){
var $this = $(this);
var $modal_dialog = $this.find('.modal-dialog');
var m_top = ( $(document).height() - $modal_dialog.height() )/2;
$modal_dialog.css({'margin': m_top + 'px auto'});
});
</script>
<div class="container" id="myModal">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4 class="modal-title" id="myModalLabel">模态框(Modal)标题</h4>
</div>
<div class="modal-body">在这里添加一些文本</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary">提交更改</button>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal -->
</div>
