React Native环境安装

安装环境请参考下列两篇文章即可

React Native 技术 开发跨平台 Native 应用初探
https://www.cnblogs.com/smartbetter/p/7506341.html

带你从零学ReactNative开发跨平台App开发（一）
https://www.cnblogs.com/gdsblog/p/8025092.html

修改软件镜像

修改yarn配置

//修改yarn配置
C:\Users\Administrator>yarn config set registry https://registry.npm.taobao.org
--global
yarn config v1.21.1
success Set "registry" to "https://registry.npm.taobao.org".
Done in 0.05s.

C:\Users\Administrator>yarn config set disturl https://npm.taobao.org/dist --glo
bal
yarn config v1.21.1
success Set "disturl" to "https://npm.taobao.org/dist".
Done in 0.04s.

查看yarn配置

C:\Users\Administrator>yarn config list
yarn config v1.21.1
info yarn config
{
  'version-tag-prefix': 'v',
  'version-git-tag': true,
  'version-commit-hooks': true,
  'version-git-sign': false,
  'version-git-message': 'v%s',
  'init-version': '1.0.0',
  'init-license': 'MIT',
  'save-prefix': '^',
  'bin-links': true,
  'ignore-scripts': false,
  'ignore-optional': false,
  registry: 'https://registry.npm.taobao.org',
  'strict-ssl': true,
  'user-agent': 'yarn/1.21.1 npm/? node/v12.14.0 win32 x64',
  disturl: 'https://npm.taobao.org/dist',
  lastUpdateCheck: 1577501533894
}
info npm config
{}
Done in 0.06s.

修改npm配置

C:\Users\Administrator>npm config set registry https://registry.npm.taobao.org

查看npm 配置

C:\Users\Administrator>npm config list
; cli configs
metrics-registry = "https://registry.npm.taobao.org/"
scope = ""
user-agent = "npm/6.13.4 node/v12.14.0 win32 x64"

; userconfig C:\Users\Administrator\.npmrc
registry = "https://registry.npm.taobao.org/"

; builtin config undefined
prefix = "C:\\Users\\Administrator\\AppData\\Roaming\\npm"
registry = "https://registry.npm.taobao.org/"

; node bin location = C:\Program Files\nodejs\node.exe
; cwd = C:\Users\Administrator
; HOME = C:\Users\Administrator
; "npm config ls -l" to show all defaults.