解决matplotlib中文乱码问题的五种有效方法

import matplotlib.pyplot as plt# 查找系统默认字体路径print(plt.rcParams["font.family"])# 修改系统默认字体plt.rcParams["font.family"] = "Arial Unicode MS"# 正常显示中文plt.title("中文标题")plt.show()

import matplotlib.pyplot as plt# 手动指定字体font = {"family": "Arial Unicode MS"}plt.title("中文标题", fontdict=font)plt.show()

import matplotlib.pyplot as pltimport matplotlib.font_manager as fm# 获取字体列表font_list = fm.findSystemFonts()# 选择一个适合的字体font_path = font_list[0]font_prop = fm.FontProperties(fname=font_path)plt.title("中文标题", fontproperties=font_prop)plt.show()

import matplotlib.pyplot as plt# 创建字体配置文件matplotlibrcwith open("matplotlibrc", "w") as f:    f.write("font.family: Arial Unicode MS")# 使用字体配置文件plt.rcParams["font.family"] = "Arial Unicode MS"plt.title("中文标题")plt.show()

import matplotlib.pyplot as pltfrom fontTools.ttLib import TTFont# 查找字体支持的字符集和语言font_path = "Arial Unicode MS.ttf"font = TTFont(font_path)font_names = font.getNames()charsets = set()languages = set()for name in font_names:    if name.isUnicode():        charsets.add(name.string.decode("utf-16"))    if name.isWWSFamilyName():        languages.add(name.string.decode())print("字符集：", charsets)print("语言：", languages)plt.title("中文标题")plt.show()