在 Mac 上安装 Ionic 框架时出错

Question

当尝试使用命令$ npm install -g cordova ionic 在我的 mac 上通过 node.js 安装 ionic 框架时，我收到以下错误

npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "-g" "cordova" "ionic"
npm ERR! node v0.12.5
npm ERR! npm  v2.12.0

npm ERR! Attempt to unlock /usr/local/lib/node_modules/cordova, which hasn't been locked
npm ERR! 
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>
npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "-g" "cordova" "ionic"
npm ERR! node v0.12.5
npm ERR! npm  v2.12.0

npm ERR! Attempt to unlock /usr/local/lib/node_modules/ionic, which hasn't been locked
npm ERR! 
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/kernelliott/npm-debug.log

知道为什么会出现这些错误吗？

Answer 1

在系统目录中安装时使用 sudo（带有 -g, 全局标志）：

sudo npm install -g cordova ionic