无法在Windows中安装React Native

Question

每当我尝试使用命令create-react-native-app MyReactNative安装react native时，我都对react native感到陌生

我该如何解决？

Answer 1

有2 ways个创建本机应用程序。

一个正在使用Expo，另一个正在使用React Native CLI。

看着错误，好像您没有安装expo。

您需要全局安装Expo才能使用create-react-native-app。

也许npm install expo-cli --global会为您提供帮助。

Answer 2

    paste this command in cmd administrator level
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@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "[System.Net.ServicePointManager]::SecurityProtocol = 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"


choco install -y nodejs.install python2 jdk8.

npm install –g react-native-cli



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choco link
https://medium.com/@JockDaRock/installing-the-chocolatey-package-manager-for-windows-3b1bdd0dbb49

node link 
https://nodejs.org/en/blog/release/v10.16.3/

java link 
https://www.oracle.com/java/technologies/javase/jdk14-archive-downloads.html

vistual studio

ANDROID_HOME      :- sdk path
ANDROID_SDK_ROOT  :- sdk path
JAVA_HOME    :-   C:\Program Files\Java\jdk1.8.0_144  without bin