如果我正确理解了您要执行的操作，那么您将提交一个位于模态内的表单，然后再以另一个模态显示提交的表单结果。

如果这是您要执行的操作，则根本不需要其他重定向。

您可以做的是代替提交表单，而可以使用jQuery AJAX将表单值发布到您的一个操作中，然后可以将响应填充到另一个模式框并显示模式框。

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<!-- Latest compiled and minified CSS -->

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">



<!-- Latest compiled and minified JavaScript -->

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>





<a type="button" class="btn btn-primary btn-md" data-toggle="modal" data-target="#gridSystemModal"> Launch demo modal </a>



<div class="modal fade" tabindex="-1" role="dialog" aria-labelledby="gridSystemModalLabel" id="gridSystemModal">

  <div class="modal-dialog" role="document" style="width : 60%; height : 200px;">

    <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="gridSystemModalLabel">Modal 1</h4>

      </div>

      <div class="modal-body">

        <form>

          <div class="form-group">

            <label for="email">Field 1:</label>

            <input type="email" class="form-control" id="email">

          </div>

          <div class="form-group">

            <label for="pwd">Field 2:</label>

            <input type="password" class="form-control" id="pwd">

          </div>

        </form>

      </div>

      <div class="modal-footer">

        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>

        <button type="button" class="btn btn-primary" data-dismiss="modal" data-toggle="modal" data-target="#gridSystemModal2">Next</button>

      </div>

    </div>

    <!-- /.modal-content -->

  </div>

  <!-- /.modal-dialog -->

</div>

<!-- /.modal -->







<div class="modal fade" tabindex="-1" role="dialog" aria-labelledby="gridSystemModalLabel" id="gridSystemModal2">

  <div class="modal-dialog" role="document" style="width : 60%">

    <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="gridSystemModalLabel">Modal 2</h4>

      </div>

      <div class="modal-body">

        <form>

          <div class="form-group">

            Response of the form submission

          </div>

        </form>

      </div>

      <div class="modal-footer">

        <button type="button" class="btn btn-default" data-dismiss="modal" data-toggle="modal" data-target="#gridSystemModal">Previous</button>

        <button type="button" class="btn btn-primary" data-dismiss="modal">Save</button>

      </div>

    </div>

    <!-- /.modal-content -->

  </div>

  <!-- /.modal-dialog -->

</div>

<!-- /.modal -->