解决matplotlib中文显示乱码问题

问题

findfont: Generic family 'sans-serif' not found because none of the following families were found: SimHei

解决方法

import matplotlib 
print(matplotlib.matplotlib_fname())

输出：xxx/lib/python3.7/site-packages/matplotlib/mpl-data/matplotlibrc

下载 http://129.204.205.246/downloads/SimHei.ttf
复制到 xxx/lib/python3.7/site-packages/matplotlib/mpl-data/fonts/ttf

python字体缓存文件

import matplotlib
print(matplotlib.get_cachedir())

rm -rf 输出的地址/*