opencv4nodejs安装

1.根据网站如何安装opencv4nodejs可以看到我们需要如下几个步骤

2.按照步骤

·安装cmake并配置环境变量

·npm install --global windows-build-tools

·npm install --save opencv4nodejs

出现了第一个问题

[email protected] install C:\WINDOWS\system32\node_modules\opencv-build
node ./install.js

info install if you want to use an own OpenCV installation set OPENCV4NODEJS_DISABLE_AUTOBUILD
info install running install script...
ERR! Error: Command failed: git --version
'git' is not recognized as an internal or external command,
operable program or batch file.

npm WARN enoent ENOENT: no such file or directory, open 'C:\WINDOWS\system32\package.json'
npm WARN system32 No description
npm WARN system32 No repository field.
npm WARN system32 No README data
npm WARN system32 No license field.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: node ./install.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install 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:\Users\jerem\AppData\Roaming\npm-cache_logs\2018-04-04T12_10_53_353Z-debug.log

##解决方式##

安装git并配置环境变量

3.安装好git后再次npm install --save opencv4nodejs

出现了第二个问题

> [email protected] install C:\Users\Administrator\node_modules\opencv-build
> node ./install.js


info install if you want to use an own OpenCV installation set OPENCV4NODEJS_DIS
ABLE_AUTOBUILD
info install running install script...
info install using msbuild: { path: 'C:\\Program Files (x86)\\Microsoft Visual S
tudio\\2017\\Community\\MSBuild\\15.0\\Bin\\MSBuild.exe',
info install   version: 15 }
Cloning into 'opencv_contrib'...
remote: Counting objects: 25853, done.
remote: Compressing objects: 100% (30/30), done.
error: RPC failed; curl 18 transfer closed with outstanding read data remaining
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed
ERR! child process exited with code 128
npm WARN [email protected] No description
npm WARN [email protected] No repository field.


npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: `node ./install.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is probably not a problem with npm. There is likely additional log
ging output above.


npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2018-05-25T0

2_48_37_479Z-debug.log

#解决方式#

是因为网络问题

综上：

安装opencv4nodejs仅需

·安装cmake并配置环境变量

·安装git并配置环境变量

·npm install --global windows-build-tools

·npm install --save opencv4nodejs