react native获取组件高度，宽 度等

import React,{Component} from 'react'

import {

View,

Text,

Image,

StyleSheet,

TouchableHighlight,

TouchableOpacity,

ScrollView,

findNodeHandle,

UIManager,

} from 'react-native'

export  default  class  GoodsSelectAssembly extends Component {
getHeight() {
        const handle = findNodeHandle(ScrollFun);
        return new Promise((resolve) => {
            UIManager.measure(handle, (x, y, width, height, pageX, pageY) => {
                console.log(x, y, width, height, pageX, pageY)
            });
        });
    }
}
render(){
return(
 <ScrollView
                    #fff'}}
                    ref={(ScrollView)=>{ScrollFun=ScrollView}}
                >
</ScrollView>
)
}