<cover-view class="cover">这是一个 Cover-View 组件示例</cover-view>
<style>
.cover {
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
justify-content: center;
align-items: center;
background-color: rgba(0, 0, 0, 0.4);
}
</style>