安装RN安装及资源

安装homedrew：

https://zhuanlan.zhihu.com/p/111014448

Error installing OpenSSL-Universal：

https://www.jianshu.com/p/cb20d49446b8

RN demo

https://www.cnblogs.com/qiangxia/p/5584622.html

RN打包：

node node_modules/react-native/local-cli/cli.js bundle --entry-file index.js --platform ios --dev false --bundle-output ./ios/top/RN_bundle/main.jsbundle --assets-dest ./ios/top/RN_bundle

RN 实时调试：

https://www.it1352.com/924025.html

https://stackoverflow.com/questions/38772373/how-to-enable-live-reload-in-ios-device-running-react-native-app