在我的应用程序中，我使用下面的代码通过jQuery显示Bootstrap模态。

 $('#myModall').modal({
                        backdrop: 'static',
                        keyboard: true, 
                        show: true
                }); 

把这段代码放在modal html的第一个块中

引导4.倍

-keyboard = "和"日期-backdrop =“静态”

Boostrap 5.倍

data-bs-keyboard = " false " data-bs-backdrop =“静态”

例子:

<div id="modal-user" class="modal fade" tabindex="-1" role="dialog" aria-hidden="true" data-bs-keyboard="false" data-bs-backdrop="static">

文档引导5:https://getbootstrap.com/docs/5.1/components/modal/#options

包括一个情态背景元素。或者，为背景指定静态，它不会在单击时关闭模式。

如果你想更改默认值:

对于引导3.x:

$.fn.modal.prototype.constructor.Constructor.DEFAULTS.backdrop = 'static';
$.fn.modal.prototype.constructor.Constructor.DEFAULTS.keyboard =  false;

对于bootstrap 4。X和5.x:

$.fn.modal.prototype.constructor.Constructor.Default.backdrop = 'static';
$.fn.modal.prototype.constructor.Constructor.Default.keyboard =  false;

你也可以不使用JQuery做到这一点，如下所示:

<div id="myModal">

var modal = document.getElementById('myModal');
modal.backdrop = "static";
modal.keyboard = false;

如果你不知道模式是否已经打开或者还没有打开，你需要配置模式选项，还有一个选项:

引导3.4

var $modal = $('#modal');
var keyboard = false; // Prevent to close by ESC
var backdrop = 'static'; // Prevent to close on click outside the modal

if(typeof $modal.data('bs.modal') === 'undefined') { // Modal did not open yet
    $modal.modal({
        keyboard: keyboard,
        backdrop: backdrop
    });
} else { // Modal has already been opened
    $modal.data('bs.modal').options.keyboard = keyboard;
    $modal.data('bs.modal').options.backdrop = backdrop;

    if(keyboard === false) { 
        $modal.off('keydown.dismiss.bs.modal'); // Disable ESC
    } else { // 
        $modal.data('bs.modal').escape(); // Resets ESC
    }
}

引导 4.3+

var $modal = $('#modal');
var keyboard = false; // Prevent to close by ESC
var backdrop = 'static'; // Prevent to close on click outside the modal

if(typeof $modal.data('bs.modal') === 'undefined') { // Modal did not open yet
    $modal.modal({
        keyboard: keyboard,
        backdrop: backdrop
    });
} else { // Modal has already been opened
    $modal.data('bs.modal')._config.keyboard = keyboard;
    $modal.data('bs.modal')._config.backdrop = backdrop;

    if(keyboard === false) { 
        $modal.off('keydown.dismiss.bs.modal'); // Disable ESC
    } else { // 
        $modal.data('bs.modal').escape(); // Resets ESC
    }
}

将选项更改为_config

4. For Bootstrap。X，你可以这样做:

$('#modal').data('bs.modal')._config.backdrop = 'static';
$('#modal').data('bs.modal')._config.keyboard = false;