Matplotlib画图显示中文错误：RuntimeWarning: Glyph 32929 missing from current font. font.set_text(s, 0.0, fl
问题展示：
https://tushare.pro/document/2
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:211: RuntimeWarning: Glyph 32929 missing from current font.
font.set_text(s, 0.0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:211: RuntimeWarning: Glyph 31080 missing from current font.
font.set_text(s, 0.0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:211: RuntimeWarning: Glyph 36208 missing from current font.
font.set_text(s, 0.0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:211: RuntimeWarning: Glyph 21183 missing from current font.
font.set_text(s, 0.0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:211: RuntimeWarning: Glyph 22270 missing from current font.
font.set_text(s, 0.0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 32929 missing from current font.
font.set_text(s, 0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 31080 missing from current font.
font.set_text(s, 0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 36208 missing from current font.
font.set_text(s, 0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 21183 missing from current font.
font.set_text(s, 0, flags=flags)
F:\Users\Administrator\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 22270 missing from current font.
font.set_text(s, 0, flags=flags)
解决办法：
用于显示中文标签，
解决负号是方块的问题。
plt.rcParams['font.sans-serif']=['SimHei'] #显示中文标签
plt.rcParams['axes.unicode_minus']=False #解决负号“-”显示为方块的问题