<  rel=\"stylesheet\" href=\"https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css\">
    <  src=\"https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js\"></ >
    <  src=\"https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js\"></ >

<button class=\"btn btn-primary btn-lg\" data-toggle=\"modal\" data-target=\"#myModal\">开始演示模态框</button>
<!-- 模态框（Modal） -->

<div class=\"modal fade\" id=\"myModal\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"myModalLabel\" aria-hidden=\"true\")

<div class=\"modal-content\">
            <div class=\"modal-header\">
                <button type=\"button\" class=\"close\" data-dismiss=\"modal\" aria-hidden=\"true\">&times;</button>
                <h4 class=\"modal- \" id=\"myModalLabel\">模态框（Modal）标题</h4>
            </div>
            <div class=\"modal-body\">在这里添加一些文本</div>
            <div class=\"modal-footer\">
                <button type=\"button\" class=\"btn btn-default\" data-dismiss=\"modal\">关闭</button>
                <button type=\"button\" class=\"btn btn-primary\">提交更改</button>
            </div>
        </div><!-- /.modal-content -->

<button type=\"button\" class=\"btn btn-primary\"  =\"user_del()\" id=\"user-change\">提交更改</button>

 function user_del(){
    $(\"#user\").modal(\'hide\');
}