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组件名.config={}
支持的。
别在css文件里面引入，在pages配置的页面下直接引入试下。
tabbar 属性 custom 设置true，src 目录下建custom-tab-bar/index.js 来写就好了
ReactDOM.createPortal
ui图 有个浮层蒙版是盖在tabbar上面的，如果写在根组件里面层级一直在tabbar下面，怎么让它和tabbar同一级