可以通过 VSCode 启动 Angular [重复]

Question

我正在尝试启动我的 Angular 项目，但由于某种原因，每次我尝试启动它时，当我尝试在终端的 VScode 上通过 npm start 启动项目时，都会出现此错误

> sign-up@0.0.0 start C:\Users\Work\Desktop\New folder\sign-up
> ng serve

An unhandled exception occurred: Cannot find module '@angular-devkit/build-angular/package.json'
Require stack:
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\node-modules-architect-host.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\index.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\models\architect-command.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\commands\serve-impl.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\export-ref.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\index.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\utilities\json-schema.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\models\command-runner.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\lib\cli\index.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\lib\init.js
- C:\Users\Work\AppData\Roaming\npm\node_modules\@angular\cli\bin\ng
See "C:\Users\Work\AppData\Local\Temp\ng-Sag7KS\angular-errors.log" for further details.
npm ERR! code ELIFECYCLE
npm ERR! syscall spawn
npm ERR! file C:\WINDOWS\system32\cmd.exe
npm ERR! errno ENOENT
npm ERR! sign-up@0.0.0 start: `ng serve`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the sign-up@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!     C:\Users\Work\AppData\Roaming\npm-cache\_logs\2021-09-14T13_36_08_782Z-debug.log

我试图重新安装 node 和 angular cli 但它仍然给出这个错误并且不知道是什么问题

Answer 1

您是否尝试在根目录中运行 npm start ？如果没有，尝试做