ng add ng-alain@next的安装报错

Question

【环境】
cnpm@6.0.0
npm@6.4.1
node@10.11.0 (C:Program Filesnodejsnode.exe)
npminstall@3.12.0
win32 x64 10.0.17134
registry=https://registry.npm.taobao.org
【问题】
ng add ng-alain@next
Installing packages for tooling via npm.
npm WARN checkPermissions Missing write access to D:ReusableWorkspaceJSangulardemonode_modulesansi-colors
npm WARN checkPermissions Missing write access to D:ReusableWorkspaceJSangulardemonode_modulesasn1

Answer 1

“以管理员身份运行”命令提示符
1) 全局安装yarn
npm install -g yarn
2) 修改ng的包管理器
ng config -g cli.packageManager yarn
3）添加ng-alain并运行
ng add ng-alain
ng serve

用npm、cnpm出现各种问题，可能跟上网速度有关。