如果愿意,可以在JS/JQuery中动态创建模态元素。
创建之后,您需要向现有元素(如按钮或某个事件侦听器)添加一个事件,以触发模态显示。
大致如下:
$(function() {
var modalHtml =
' <div class="modal-content">' +
' <div class="modal-body">' +
' <button type="button" class="close" data-dismiss="modal" aria-label="Close">' +
' <span aria-hidden="true">×</span>' +
' </button>' +
' <strong>Oh snap!</strong> Change a few things up and try submitting again.' +
' </div>' +
' </div>';
// clicking on the button triggers the modal
$("button.btn").on('click', function() {
// insert HTML dynamically
$(".modal-dialog").html(modalHtml);
// display
$(".modal-dialog").modal('show');
});
// append a new element to the DOM
$("button").after('<div class="modal-dialog modal"></div>');
});
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary">
Show Modal
</button>
<!-- Modal will be added here -->