Question

我卸载了visual studio code和node js。重启机器。再次安装了visual studio和node js。但问题就在这里。

PS D:\React> npm create-react-app myapp

Usage: npm <command>

where <command> is one of:
    access, adduser, audit, bin, bugs, c, cache, ci, cit,
    clean-install, clean-install-test, completion, config,
    create, ddp, dedupe, deprecate, dist-tag, docs, doctor,
    edit, explore, fund, get, help, help-search, hook, i, init,
    install, install-ci-test, install-test, it, link, list, ln,
    login, logout, ls, org, outdated, owner, pack, ping, prefix,
    profile, prune, publish, rb, rebuild, repo, restart, root,
    run, run-script, s, se, search, set, shrinkwrap, star,
    stars, start, stop, t, team, test, token, tst, un,
    uninstall, unpublish, unstar, up, update, v, version, view,
    whoami

npm <command> -h  quick help on <command>
npm -l            display full usage info
npm help <term>   search for help on <term>
npm help npm      involved overview

Specify configs in the ini-formatted file:
    C:\Users\ee209495\.npmrc
or on the command line via: npm <command> --key value
Config info can be viewed via: npm help config

npm@6.14.9 C:\Program Files\nodejs\node_modules\npm

Answer 1

您之前安装过 create-reat-app 吗？

npm install -g create-react-app

此外，您可以使用 npx，因此它将使用最新的 npm 版本

npx create-react-app my-app

Answer 2

您首先需要全局安装 create-react-app 包

npm i -g create-react-app
create-react-app my app

或者您可以使用 npx 始终使用最新版本的 CRA

npx create-react-app my-app

在反应中创建应用程序时出错

2 个答案: