node.js - Ionic 2 已安装，但在 ionic 信息中未显示

Question

我安装了 Ionic 2 和 cordova，但它没有显示在 ionic 信息上。所以我无法在 Windows 系统上运行我的 ionic 项目。

这是 ionic 信息的输出:

E:\Sandbox\ionic\demoApp>ionic info
******************************************************
 Dependency warning - for the CLI to run correctly,
 it is highly recommended to install/upgrade the following:

 Please install your Cordova CLI to version  >=4.2.0 `npm install -g cordova`

******************************************************

Your system information:

Cordova CLI: Not installed
Ionic Framework Version: 2.0.1
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
Ionic App Scripts Version: 1.1.0
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 7
Node Version: v6.9.5
Xcode version: Not installed


******************************************************
 Dependency warning - for the CLI to run correctly,
 it is highly recommended to install/upgrade the following:

 Please install your Cordova CLI to version  >=4.2.0 `npm install -g cordova`

******************************************************

E:\Sandbox\ionic\demoApp>cordova -v
4.3.1

Answer 1

您需要检查这里是否存在:

C:\Users\yourPC\AppData\Roaming\npm

并且您还需要设置相同的环境变量，确保您的变量名称、“Path”都有 npm 和 JDK 的值。 在此过程之后您的台式机/笔记本电脑可能需要重新启动