npm i canvas 报错 canvas@2.11.2 run install node-pre-gyp install --fallback-to-build --update-binary

今天在写项目的时候安装npm i canvas的时候一直报错。

具体错误如下

npm ERR! command failed
npm ERR! command C:\Windows\system32\cmd.exe /d /s /c node-pre-gyp install --fallback-to-build --update-binary

npm ERR! node-pre-gyp info it worked if it ends with ok
npm ERR! node-pre-gyp info using node-pre-gyp@1.0.11
npm ERR! node-pre-gyp info using node@16.17.0 | win32 | x64
npm ERR! node-pre-gyp http GET https://github.com/Automattic/node-canvas/releases/download/v2.11.2/canvas-v2.11.2-node-v93-win32-unknown-x64.tar.gz
npm ERR! node-pre-gyp ERR! install request to https://github.com/Automattic/node-canvas/releases/download/v2.11.2/canvas-v2.11.2-node-v93-win32-unknown-x64.tar.gz failed, reason: unable to verify the first certificate
npm ERR! node-pre-gyp WARN Pre-built binaries not installable for canvas@2.11.2 and node@16.17.0 (node-v93 ABI, unknown) (falling back to source compile with node-gyp)
npm ERR! node-pre-gyp WARN Hit error request to https://github.com/Automattic/node-canvas/releases/download/v2.11.2/canvas-v2.11.2-node-v93-win32-unknown-x64.tar.gz failed, reason: unable to verify the first certificate
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp info using node-gyp@8.4.1
npm ERR! gyp info using node@16.17.0 | win32 | x64
npm ERR! gyp info ok
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp info using node-gyp@8.4.1
npm ERR! gyp info using node@16.17.0 | win32 | x64
npm ERR! gyp ERR! find Python
npm ERR! gyp ERR! find Python Python is not set from command line or npm configuration
npm ERR! gyp ERR! find Python Python is not set from environment variable PYTHON
npm ERR! gyp ERR! find Python checking if "python3" can be used
npm ERR! gyp ERR! find Python - "python3" is not in PATH or produced an error
npm ERR! gyp ERR! find Python checking if "python" can be used
npm ERR! gyp ERR! find Python - "python" is not in PATH or produced an error
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python39\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python39\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python39\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python39-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python39-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python39-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python39-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python39-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python39-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python38\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python38\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python38\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python38-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python38-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python38-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python38-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python38-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python38-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python37\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python37\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python37\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python37-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python37-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python37-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python37-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python36\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python36\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python36\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files\Python36-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files\Python36-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if Python is C:\Program Files (x86)\Python36-32\python.exe
npm ERR! gyp ERR! find Python - "C:\Program Files (x86)\Python36-32\python.exe" could not be run
npm ERR! gyp ERR! find Python checking if the py launcher can be used to find Python 3
npm ERR! gyp ERR! find Python - "py.exe" is not in PATH or produced an error
npm ERR! gyp ERR! find Python
npm ERR! gyp ERR! find Python **********************************************************
npm ERR! gyp ERR! find Python You need to install the latest version of Python.
npm ERR! gyp ERR! find Python Node-gyp should be able to find and use Python. If not,
npm ERR! gyp ERR! find Python you can try one of the following options:
npm ERR! gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe"
npm ERR! gyp ERR! find Python (accepted by both node-gyp and npm)
npm ERR! gyp ERR! find Python - Set the environment variable PYTHON
npm ERR! gyp ERR! find Python - Set the npm configuration variable python:
npm ERR! gyp ERR! find Python npm config set python "C:\Path\To\python.exe"
npm ERR! gyp ERR! find Python For more information consult the documentation at:
npm ERR! gyp ERR! find Python https://github.com/nodejs/node-gyp#installation
npm ERR! gyp ERR! find Python **********************************************************
npm ERR! gyp ERR! find Python
npm ERR! gyp ERR! configure error
npm ERR! gyp ERR! stack Error: Could not find any Python installation to use
npm ERR! gyp ERR! stack at PythonFinder.fail (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\find-python.js:330:47)
npm ERR! gyp ERR! stack at PythonFinder.runChecks (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\find-python.js:159:21)
npm ERR! gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\find-python.js:228:18)
npm ERR! gyp ERR! stack at PythonFinder.execFileCallback (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\find-python.js:294:16)
npm ERR! gyp ERR! stack at exithandler (node:child_process:408:5)
npm ERR! gyp ERR! stack at ChildProcess.errorhandler (node:child_process:420:5)
npm ERR! gyp ERR! stack at ChildProcess.emit (node:events:513:28)
npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:289:12)

2.解决方法

　　在网上查询了许多资料，原因是npm上无法安装canvas包，应该是因为我配置了镜像后找不到包了，最终解决问题的方法是：

npm install canvas --canvas_binary_host_mirror=https://registry.npmmirror.com/-/binary/canvas

　　如果还是不行再安装一下下面这个，之后再进行上面的步骤：

npm i -g node-gyp