<view class='mask' wx:if='{{show}}' bindtap='clickMask'>  <view class='modal-content' style='height:{{height}}'>   <scroll-view scroll-y class='main-content'>    <slot></slot>   </scroll-view>   <view class='modal-btn-wrapper'>    <view class='cancel-btn'  bindtap='cancel'>取消</view>    <view class='confirm-btn'  bindtap='confirm'>确定</view>   </view>  </view> </view> 上面是自定义组件的wxml文件代码 .mask{   position: absolute;   left: 0;   right: 0;   top: 0;   bottom: 0;   display: flex;   justify-content: center;   align-items: center;   background-color: rgba(0,0,0,0.4);   z-index: 9999; } .modal-content{   display: flex;   flex-direction: column;   width: 80%;   background-color: #fff;   border-radius: 10rpx;   text-align: center; } .modal-btn-wrapper{   width: 98%;   display: flex;   flex-direction: row;   height: 100rpx;   line-height: 100rpx;   border-top: 2rpx solid rgba(7,17,27,0.1);   margin-top: 300rpx;/*上边距; 上边界; 边距; 顶部边界属性; 外距  */ } .cancel-btn, .confirm-btn{   flex: 1;   height: 100rpx;   line-height: 100rpx;   text-align: center;   font-size: 32rpx; } .cancel-btn{     border-right: 2rpx solid rgba(7,17,27,0.1); } .main-content{   flex: 1;   height: 100%;   overflow-y: hidden;   } 上面是wxss代码 {   "component": true,   "usingComponents": {},   "styleIsolation": "shared" } 上面是json代码，其中"styleIsolation": "shared"三个值得试过，没变化 不在功能页面的json引入可以在功能页面正常调用展示，但不能在功能页面js文件中调用子自定义组件的方法，引用后样式全乱