版本：16.0.0-alpha.7
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.7/cjs/react.development.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.7/cjs/react.production.min.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.7/umd/react.development.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.7/umd/react.production.min.js