可拖动的弹出模式窗口溢出问题

Question

我在项目中使用了一个可拖动的弹出模式。但是，当我在此可拖动弹出窗口模式上拖动到任意位置时，在浏览器窗口中拖动的次数将消失。但是，我想要的是这种可持续的弹出模式不会以任何方式在浏览器（窗口）上溢出。它被锁定在窗口中并显示所有内容。总而言之，我要防止拖动弹出式模式滚动打开，并且还希望它在窗口大小内保持固定。如果您能帮助我，我会很高兴。

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" rel="stylesheet"/>
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>

<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<div>
<div class="modal fade">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </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><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal --> 
</div>

<script>
        $('.modal').modal({ keyboard: false,
                           show: true
        });
        // Jquery draggable
        $('.modal-dialog').draggable({
            handle: ".modal-header"
        });
</script>

Answer 1

这很容易，您应该查看可拖动的jqUI才能知道该怎么做。

使用containment:parent或containment:body

还有很多其他功能可以查看here

        $('.modal').modal({ keyboard: false,
                           show: true
        });
        // Jquery draggable
        $('.modal-dialog').draggable({
            handle: ".modal-header",
            containment: "parent"
        });

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" rel="stylesheet"/>
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>

<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<div>
<div class="modal fade">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </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><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal --> 
</div>