我在一个模态中放了一个表单,当用户触发单选按钮时,我试图显示表单的一些隐藏字段.在我显示隐藏的字段后,模态自动重新缩放的高度,但模态背景的高度不能用作模式对话框.我该怎么办呢?
<!-- modal -->
<div class='modal fade' id='contact-modal' tabindex='-1' role='dialog' aria-labelledby='modal-label' aria-hidden='true' data-backdrop='static' data-keyboard='false'>
<div class='modal-dialog'>
<div class='modal-content'>
<div class='modal-header'>
<button type='button' class='close' data-dismiss='modal'>
<span aria-hidden='true'>×</span><span class='sr-only'>Close</span>
</button>
<h4 class='modal-title' id='modal-label'>??????</h4>
</div>
<div class='modal-body'>
<form role='form'>
<div class='form-group'>
<label for='learning'>????</label>
<div class='btn-group' id='learning' data-toggle='buttons'>
<label class='btn btn-default'><input type='radio' />??</label>
<label class='btn btn-default'><input type='radio' />??</label>
<label class='btn btn-default'><input type='radio' />??</label>
</div>
</div>
<div class='form-group'>
<label for='lunch'>????</label>
<div class='btn-group' id='lunch' data-toggle='buttons'>
<label class='btn btn-default'><input type='radio' />???</label>
<label class='btn btn-default'><input type='radio' />????</label>
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