windows下的python环境安装python-alipay-sdk报错：Microsoft Visual C++ 14.0 is required

windows下的python环境安装python-alipay-sdk报错：Microsoft Visual C++ 14.0 is required

环境：

操作系统：windows 10

python：3.9

windows下的python环境安装python-alipay-sdk报错:

> pip install python-alipay-sdkWARNING: Ignoring invalid distribution -ip (d:\virtualenvs\project\lib\site-packages)WARNING: Ignoring invalid distribution -ip (d:\virtualenvs\project\lib\site-packages)Collecting python-alipay-sdk Using cached python-alipay-sdk-3.0.4.tar.gz (10 kB) Preparing metadata (setup.py) ... doneCollecting pycryptodomex==3.9.4 Using cached pycryptodomex-3.9.4.tar.gz (11.6 MB) Preparing metadata (setup.py) ... error error: subprocess-exited-with-error × python setup.py egg_info did not run successfully. │ exit code: 1 ╰─> [21 lines of output] Traceback (most recent call last): File "", line 2, in ... File "d:\virtualenvs\project\lib\site-packages\setuptools\msvc.py", line 266, in _msvc14_get_vc_env raise distutils.errors.DistutilsPlatformError( distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": Testing support for clang [end of output] note: This error originates from a subprocess, and is likely not a problem with pip.error: metadata-generation-failed× Encountered error while generating package metadata.╰─> See above for output.note: This is an issue with the package mentioned above, not pip.hint: See above for details.WARNING: Ignoring invalid distribution -ip (d:\virtualenvs\project\lib\site-packages)WARNING: Ignoring invalid distribution -ip (d:\virtualenvs\project\lib\site-packages)

从报错看，是在安装依赖包，pycryptodomex==3.9.4的时候报错，具体原因是:

raise distutils.errors.DistutilsPlatformError( distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": 3.9的CPython解释器需要Visual C++ 14.0 or greater is required；各版本解释器对应需要的Visual C++版本：

解决方案：

Visual Studio 2015之后的版本，C++都是14.0或者14.0+

直接安装整个Visual Studio需要下载很大的文件，并且按安装空间也需要好几个G，直接用 Visual C++ 14.2 编译器的 standalone：​​​Studio2019构建工具下载地址；

选择“桌面开发”，默认选项即可，安装完后重启一下，然后继续执行

pip install python-alipay-sdk安装

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