1.父子組件傳值需借助 中間ts文件
hook/context-manager.tsx
// 使用hook給父子組件共享數組 import { createContext } from "@tarojs/taro"; export default createContext({});
2.父組件
import TripContext from '../../hook/context-manager' import Trip_success from '../../components/trip_success/index' function Home() { const [content, setContent] = useState({})
const [contentType, setContentType] = useState(false)
return (
<View>{contentType}
<TripContext.Provider value={{ content, urlName: 'home',setContentType}}>
<Trip_success />
</TripContext.Provider>
</View>
)
}
3.子組件
import TripContext from '../../hook/context-manager'
import Taro, { useContext, useEffect } from "@tarojs/taro";
function Trip_success() { const { content, urlName, setContentType } = useContext(TripContext)
useEffect(() => {setContentType(true)})
console.log('獲取父組件中值', content, urlName) }