<link rel="stylesheet" href="${ctx}/static/layui/css/layui.css"
media="all">
<script src="${ctx}/static/layui/layui.all.js" charset="utf-8"></script>
layer.msg(‘正在设置封面中...‘, {
icon: 16,
shade: 0.01,
time: 0
});
//手动关闭
layer.close(layer.msg());
原文：https://www.cnblogs.com/mlq2017/p/10225215.html