2024年5月30日发(作者:)

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React Native教程:一步一步搭建React Native开发环境

1 环境搭建

工欲善其事,必先利其器。首先,我们需要搭建开发环境(我们以后的文章和视频均是

以Mac OS X系统为基础)。React Native主要依赖以下环境。

Mac OS X操作系统。

推荐使用Xcode 7.3.0或者更高版本。

安装 v6.2.1或者最新版本。

利用Homebrew安装watchman和flow。

安装React Native

安装NVM

创建第一个HelloWorld程序

下面我们一步步来安装开发环境。

1.1 安装Xcode

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打开Mac电脑,打开App Store,在App Store中搜索Xcode,双击Xcode,输入

apple id下载安装即可。

1.2 安装

官网:

打开官网:

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下载v6.2.1版本,下载完成以后双击包进行安装。

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从上图中中This package will install v6.2.1 and nam v3.9.3 into

/usr/local/.这句话表明我们将会安装 v6.2.1和npm 3.9.3版本.

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上图表示和npm都是安装在/usr/local/bin/路径下面。

1.3 利用Homebrew安装watchman和flow

打开终端,按照如下操作即可.

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接下来通过brew安装watchman和flow.

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现在万事具备,只欠东风。我们通过npm安装react-native-cli的命令行工具。在

mac终端中输入如下命令,其中-g表示全局安装。

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1.4 NVM安装

bogon:Desktop lucien$ git clone /creationix/nvm

Cloning into ‘nvm’…

remote: Counting objects: 4718, done.

remote: Compressing objects: 100% (6/6), done.

remote: Total 4718 (delta 1), reused 0 (delta 0), pack-reused 4712

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Receiving objects: 100% (4718/4718), 1.26 MiB | 85.00 KiB/s, done.

Resolving deltas: 100% (2802/2802), done.

Checking connectivity… done.

bogon:Desktop lucien$ cd nvm/

bogon:nvm lucien$ ls

wn nvm-exec test

bash_completion update_test_

Makefile

bogon:nvm lucien$ source

bogon:nvm lucien$ nvm

Node Version Manager

Note: refers to any version-like string nvm understands. This

includes:

– full or partial version numbers, starting with an optional “v” (0.10, v0.1.2,

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v1)

– default (built-in) aliases: node, stable, unstable, iojs, system

– custom aliases you define with `nvm alias foo`

Usage:

nvm –help Show this message

nvm –version Print out the latest released version of

nvm

nvm install [-s] Download and install a , [-s]

from source. Uses .nvmrc if available

–reinstall-packages-from= When installing, reinstall packages

installed in

nvm uninstall Uninstall a version

nvm use [–silent] Modify PATH to use .

Uses .nvmrc if available

nvm exec [–silent] [] Run on .

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Uses .nvmrc if available

nvm run [–silent] [] Run `node` on with

as arguments. Uses .nvmrc if available

nvm current

nvm ls

nvm ls

description

nvm ls-remote

nvm ls-remote

install, matching a given

nvm version

single local version

nvm version-remote

single remote version

nvm deactivate

Display currently activated version

List installed versions

List versions matching a given

List remote versions available for install

List remote versions available for

Resolve the given description to a

Resolve the given description to a

Undo effects of `nvm` on current shell

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nvm alias [] Show all aliases beginning with

nvm alias Set an alias named

pointing to

nvm unalias Deletes the alias named

nvm reinstall-packages Reinstall global `npm` packages

contained in to current version

nvm unload Unload `nvm` from shell

nvm which [] Display path to installed node

version. Uses .nvmrc if available

Example:

nvm install v0.10.32 Install a specific version number

nvm use 0.10 Use the latest available 0.10.x release

nvm run 0.10.32 Run using node v0.10.32

nvm exec 0.10.32 node Run `node ` with the PATH

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pointing to node v0.10.32

nvm alias default 0.10.32 Set default node version on a shell

Note:

to remove, delete, or uninstall nvm – just remove the `$NVM_DIR` folder

(usually `~/.nvm`)

bogon:nvm lucien$ nvm ls -remote

N/A

bogon:nvm lucien$ nvm ls

-> v6.2.1

system

default -> node (-> v6.2.1)

node -> stable (-> v6.2.1) (default)

stable -> 6.2 (-> v6.2.1) (default)

iojs -> N/A (default)

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bogon:nvm lucien$

1.5 创建项目

搭建好RN环境以后,我们来创建一个HelloWorld项目。见终端。

1.6 运行项目

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Command + R运行

接下来关闭Xcode,注意:不要关闭终端和模拟器,用Sublime打开,

编辑,保存,选中模拟器,重新按Command+R运行即可,无需重新打开Xcode运行。

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