React Native获取手机屏幕宽高（Dimensions）
import { Dimensions } from 'react-native'
console.log('Dimensions', Dimensions.get('window'))
参考链接：
https://www.reactnative.cn/docs/next/dimensions#%E6%96%B9%E6%B3%95
import { Dimensions } from 'react-native'
console.log('Dimensions', Dimensions.get('window'))
参考链接：
https://www.reactnative.cn/docs/next/dimensions#%E6%96%B9%E6%B3%95
