画图，如果用英文显示基本没有问题，但是中文可能会有乱码或者不显示的情况 。
【解决python画图中文不显示问题】经过个人的测试，下图中“横轴”，“纵轴”字样的中文显示没有什么大问题，主要是plt.title部分和plt.plot部分的显示
中文显示问题解决
一、plt.title中文显示的解决：
from matplotlib.font_manager import FontPropertiesfont_set = FontProperties(fname=r"c:\windows\fonts\SIMLI.TTF", size=15)plt.title(u'小明的标题', FontProperties=font_set)

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中加载的就是本地的字体
路径：C:\\Fonts
选中字体鼠标右键属性即可复制名字进行替换
font_set = FontProperties(fname=r"c:\windows\fonts\SIMLI.TTF", size=15)

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从改变字体的结果来看，横纵坐标和标题区域受影响，plt.plot不受影响
二、plt.plot中文显示的解决：
与上述类似，加下列一行即可
plt.legend(prop={'family':'SimHei','size':15})
三、供参考代码
from matplotlib import pyplotimport matplotlib.pyplot as pltfrom matplotlib.font_manager import FontPropertiesfrom matplotlib.ticker import MultipleLocator, FormatStrFormatter font_set = FontProperties(fname=r"c:\windows\fonts\simsun.ttc", size=15)import matplotlibimport numpy as np%matplotlib inlineplt.rcParams['figure.figsize'] = (12.0, 8.0) # set default size of plotsplt.rcParams['image.interpolation'] = 'nearest'plt.rcParams['image.cmap'] = 'gray'# plt.rcParams['font.sans-serif']=['SimHei']# plt.rcParams['axes.unicode_minus']=False# 设置标题大小plt.rcParams['font.size'] = '16'fig = plt.figure()matplotlib.rcParams.update({'text.usetex': False,'font.family': 'stixgeneral','mathtext.fontset': 'stix',})# myfont = FontProperties(fname='/homenuxidc/.local/fonts/文泉驿正黑.ttf')x = range(0,102,2)x = [str(x) for x in list(x)]x = range(len(x))#这里如果取得值，最好省略，否则冗余代码太多dj1=[0.140885022563663,0.285128051316358,0.331236115292078,0.372582750937596,0.463174450139405,0.586773503380428,0.542598182149781,0.542598182149781,0.564956686389027,0.542598182149781,0.519630577568173,0.428649426296771,0.676284101462148,0.635875231620977,0.564956686389027,0.542598182149781,0.564956686389027,0.62899995822798,0.676284101462148,0.721874028834649,0.676284101462148,0.702515362688485,0.682890636232397,0.557567115066442,0.564956686389027,0.635875231620977,0.656252254277025,0.676284101462148,0.721874028834649,0.62899995822798,0.62899995822798,0.702515362688485,0.759939881400332,0.702515362688485,0.696005029828444,0.656252254277025,0.696005029828444,0.676284101462148,0.608105164606941,0.741002175030875,0.721874028834649,0.702515362688485,0.721874028834649,0.62899995822798,0.608105164606941,0.682890636232397,0.676284101462148,0.702515362688485,0.696005029828444,0.696005029828444,0.696005029828444]plt.plot(x, dj1,marker='s',label=u'小明')plt.grid(linestyle='--')plt.grid(axis="x")plt.title(u'SimHei', fontproperties=font_set)plt.title('小明的标题')plt.legend()# 让图例生效y_major_locator=MultipleLocator(0.1)ax=plt.gca()ax.yaxis.set_major_locator(y_major_locator)plt.ylim(0,1)plt.xlim(0,55)plt.margins(0)plt.subplots_adjust(bottom=0.001)plt.xlabel("横轴",fontproperties=font_set) #X轴标签plt.ylabel("纵轴",fontproperties=font_set) #Y轴标签plt.legend(prop={'family':'SimHei','size':15})

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