“错误:spawn cmd ENOENT"在世博会启动项目中 [英] "Error: spawn cmd ENOENT" In Expo Init Project

问题描述

我正在使用

expo init firstexpo

expo init firstexpo

但我在命令提示符处收到此错误

But I get this error at Command Prompt

错误:spawn cmd ENOENT

PS C:UsersAlex	estingfirstexpo> expo start
[16:21:09] Starting project at C:UsersAlex	estingfirstexpo
[16:21:11] Expo DevTools is running at http://localhost:19002
[16:21:11] Opening DevTools in the browser... (press shift-d to disable)
Error: spawn cmd ENOENT
    at Process.ChildProcess._handle.onexit (internal/child_process.js:232:19)
    at onErrorNT (internal/child_process.js:407:16)
    at process._tickCallback (internal/process/next_tick.js:63:19)
PS C:UsersAlex	estingfirstexpo>

npm 启动错误找不到模块opn"

[16:38:49] Starting project at C:UsersAlex	estingfirstexpo
[16:38:52] Expo DevTools is running at http://localhost:19002
[16:38:52] Opening DevTools in the browser... (press shift-d to disable)
[16:38:52] Cannot find module 'opn'
[16:38:52] Set EXPO_DEBUG=true in your env to view the stack trace.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! empty-project-template@ start: `expo start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the empty-project-template@ start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR!     C:UsersAlexAppDataRoaming
pm-cache\_logs2018-11-24T08_38_52_344Z-debug.log

我对编码很陌生，谁能告诉我如何解决这个问题?非常感谢.

降级到 v28

推荐答案

我用这个解决了我的错误."%SystemRoot%system32;"在 PATH 变量中.

I solved my error using this. "%SystemRoot%system32;" in the PATH variable.

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