npm 错误！启动Angular前端应用程序时[重复]

Posted 2023-02-22

【中文标题】npm 错误！启动Angular前端应用程序时[重复]

【英文标题】：npm ERR! when starting Angular Frontend App [duplicate]

【发布时间】：2021-10-13 18:03:14

【问题描述】：

> ng serve

sh: ng: command not found
npm ERR! code ELIFECYCLE

npm ERR! syscall spawn

npm ERR! file sh

npm ERR! errno ENOENT

npm ERR! frontend@0.0.0 start: `ng serve`

npm ERR! spawn ENOENT

npm ERR! 

npm ERR! Failed at the frontend@0.0.0 start script.

npm ERR! This is probably not a problem with npm. There is likely additional
 logging output above.

npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/.npm/_logs/2021-08-09T13_47_00_579Z-debug.log

Process finished with exit code 1

【问题讨论】：

您收到一条消息说您想念node_modules 您是否尝试运行npm install？阅读更多关于 npm here

【参考方案1】：

它说它找不到命令ng。你跑npm install -g @angular/cli了吗？

如果您正在运行多个终端窗口，如果您将其安装在另一个终端窗口中，则可能需要重新启动运行 ng 的窗口。