我尝试了以下方法:

   <div class="modal hide fade modal-admin" id="testModal" style="display: none;">
        <div class="modal-header">
          <a data-dismiss="modal" class="close">×</a>
          <h3 id='dialog-heading'></h3>
        </div>
        <div class="modal-body">
            <div id="dialog-data"></div>
        </div>
        <div class="modal-footer">
          <a data-dismiss="modal" class="btn" >Close</a>
          <a class="btn btn-primary" id="btnSaveChanges">Save changes</a>
        </div>
    </div>

这段Javascript:

    $('.modal-admin').css('width', '750px');
    $('.modal-admin').css('margin', '100px auto 100px auto');
    $('.modal-admin').modal('show')

结果不是我预料的那样。模态的左上角位于屏幕的中心。

有人能帮帮我吗?有人试过吗?我想这是一件很平常的事。


当前回答

达到预期效果使用,

.modal-dialog {
    width: 41% !important;
}

其他回答

保留响应式设计,将宽度设置为您想要的。

.modal-content {
  margin-left: auto;
  margin-right: auto;
  max-width: 360px;
}

保持简单。

.Size(ModalSize.Large)

sample:
 using (var modal = Html.Bootstrap().Begin(new Modal().Id("modalProject_" + modelItem.id).Closeable().Size(ModalSize.Large)))
                {
}

如果Bootstrap>3,只需添加样式到您的模式。

<div class="modal-dialog" style="width:80%;">
  <div class="modal-content">
  </div>
</div>

在css文件中添加以下内容

.popover{
         width:auto !important; 
         max-width:445px !important; 
         min-width:200px !important;
       }

在Bootstrap 3中,你所需要的就是这个

<style>
    .modal .modal-dialog { width: 80%; }
</style>

上面的大部分答案对我来说都没用!!

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.5/js/bootstrap.min.js"></script> <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" /> <style> #myModal1 .modal-dialog { width: 80%; } #myModal2 .modal-dialog { width: 50%; } </style> <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal1"> 80% </button> <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal2"> 50% </button> <center> <!-- Modal --> <div class="modal fade" id="myModal1" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span> </button> <h4 class="modal-title" id="myModalLabel">Modal title</h4> </div> <div class="modal-body"> custom width : 80% </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div> <!-- Modal --> <div class="modal fade" id="myModal2" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span> </button> <h4 class="modal-title" id="myModalLabel">Modal title</h4> </div> <div class="modal-body"> custom width : 50% </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div> </center>