pip install matplotlib

pip install matplotlib==3.6.2

import numpy as np
import matplotlib.pyplot as plt
# 繪制曲線
x = np.linspace(0, 2*np.pi, 100)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, label=u'正弦曲線')
plt.plot(x, y2, label=u'余弦曲線')
plt.xlabel('橫軸')
plt.ylabel('縱軸')
plt.title('函數(shù)')
# 添加圖例
plt.legend(loc='upper right')
# 顯示圖像
plt.show()

# 創(chuàng)建yahei文件夾
sudo mkdir /usr/share/fonts/truetype/yahei
# 拷貝字體文件到該文件夾下
sudo cp msyh.ttc /usr/share/fonts/truetype/yahei/

sudo fc-cache -f -v

fc-list | grep -i yahei

fc-list | grep TIMES

fc-list | grep SUN

rm rf ~/.cache/matplotlib

# 設(shè)置字體
plt.rcParams['font.family'] = 'Microsoft YaHei'

import numpy as np
import matplotlib.pyplot as plt

# 設(shè)置字體
plt.rcParams['font.family'] = 'Microsoft YaHei'
# plt.rcParams['font.family'] = 'SimSun'
# plt.rcParams['font.family'] = 'Times New Roman'

# 繪制曲線
x = np.linspace(0, 2*np.pi, 100)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, label=u'正弦曲線')
plt.plot(x, y2, label=u'余弦曲線')
plt.xlabel('橫軸')
plt.ylabel('縱軸')
plt.title('函數(shù)')

# 添加圖例
plt.legend(loc='upper right')

# 顯示圖像
plt.show()

import numpy as np
import matplotlib.pyplot as plt
# 設(shè)置字體
plt.rcParams['font.family'] = 'SimSun'
plt.rcParams['font.family'] = 'Times New Roman'
# 繪制曲線
x = np.linspace(0, 2*np.pi, 100)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, label=u'正弦曲線')
plt.plot(x, y2, label=u'余弦曲線')
# 設(shè)置橫軸字體
plt.xlabel('橫軸', fontfamily='SimSun')
# 設(shè)置縱軸字體
plt.ylabel('縱軸', fontfamily='SimSun')
# 設(shè)置標(biāo)題字體
plt.title('函數(shù)', fontfamily='SimSun')
# 設(shè)置刻度字體
plt.xticks(fontfamily='Times New Roman')
plt.yticks(fontfamily='Times New Roman')
# 設(shè)置圖例字體
plt.legend(loc='upper right', fontsize=12, edgecolor='black', fancybox=False, framealpha=1, prop={'family': 'SimSun'})
# 顯示圖像
plt.show()

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.font_manager as fm
# 指定字體
font_path = 'SIMSUN.TTC'  # 這里也可以填其他字體的絕對(duì)路徑，只填名稱表示本程序與該字體在同一級(jí)目錄下 
font_prop = fm.FontProperties(fname=font_path, size=12)
en_font_path = 'TIMES.TTF'  # 這里也可以填其他字體的絕對(duì)路徑，只填名稱表示本程序與該字體在同一級(jí)目錄下 
en_font_prop = fm.FontProperties(fname=en_font_path, size=12)
x = np.linspace(0, 2 * np.pi, 100)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, label=u'正弦曲線')
plt.plot(x, y2, label=u'余弦曲線')
plt.xlabel('橫軸', fontproperties=font_prop)
plt.ylabel('縱軸', fontproperties=font_prop)
plt.title('函數(shù)', fontproperties=font_prop)
plt.xticks(fontproperties=en_font_prop)
plt.yticks(fontproperties=en_font_prop)
plt.legend(loc='upper right', fontsize=12, edgecolor='black', fancybox=False, framealpha=1, prop=font_prop)
plt.show()