我的是win7的系统，去python官网下载python3.7安装

CMD #打开命令窗口

pip install numpy #在cmd中输入

提示 需要c++14.0,

解决办法：

1， 进入https://:443/down/fd9282f666dce22ef8848171236f456a-3287928/visualcppbuildtools_full.exe?cts=f-D120A234A24A43F105e1&ctp=120A234A24A43&ctt=1528324956&limit=1&spd=150000&ctk=17728aba100ad4e1159d27227523f6da&chk=fd9282f666dce22ef8848171236f456a-3287928&mtd=1

下载完成后重新pip install matplotlib-2.2.2-cp37-cp37m-win_amd64.whl

C:\Users\12345\AppData\Local\Programs\Python\Python37\Scripts>pip install matplotlib-2.2.2-cp37-cp37m-win_amd64.whlProcessing c:\users\12345\appdata\local\programs\python\python37\scripts\matplotlib-2.2.2-cp37-cp37m-win_amd64.whlRequirement already satisfied: six>=1.10 in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (1.11.0)Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (2.2.0)Requirement already satisfied: pytz in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (2018.4)Requirement already satisfied: python-dateutil>=2.1 in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (2.7.3)Requirement already satisfied: cycler>=0.10 in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (0.10.0)Collecting kiwisolver>=1.0.1 (from matplotlib==2.2.2) Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x000001AEFF3E5F60>, 'Connection to 10.180.28.148 timed out. (connect timeout=15)')': /simple/kiwisolver/ Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x000001AEFF3E5B38>, 'Connection to 10.180.28.148 timed out. (connect timeout=15)')': /simple/kiwisolver/ Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x000001AEFF3E59E8>, 'Connection to 10.180.28.148 timed out. (connect timeout=15)')': /simple/kiwisolver/ Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x000001AEFF407B70>, 'Connection to 10.180.28.148 timed out. (connect timeout=15)')': /simple/kiwisolver/ Using cached https://files.pythonhosted.org/packages/31/60/494fcce70d60a598c32ee00e71542e52e27c978e5f8219fae0d4ac6e2864/kiwisolver-1.0.1.tar.gzRequirement already satisfied: numpy>=1.7.1 in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from matplotlib==2.2.2) (1.14.3+mkl)Requirement already satisfied: setuptools in c:\users\12345\appdata\local\programs\python\python37\lib\site-packages (from kiwisolver>=1.0.1->matplotlib==2.2.2) (39.0.1)Installing collected packages: kiwisolver, matplotlib Running setup.py install for kiwisolver ... doneSuccessfully installed kiwisolver-1.0.1 matplotlib-2.2.2

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。