mac matplotlib 显示中文

#ecoding=utf-8
import pandas as pd
from matplotlib import pyplot as plt
import matplotlib
from matplotlib.font_manager import *
from pylab import mpl

import seaborn as sns
# %matplotlib inline
def get_matplot_zh_font():
    fm = FontManager()
    mat_fonts = set(f.name for f in fm.ttflist)

    output = subprocess.check_output('fc-list :lang=zh -f "%{family}\n"', shell=True)
    zh_fonts = set(f.split(',', 1)[0] for f in output.split('\n'))
    available = list(mat_fonts & zh_fonts)
    # print '*' * 10, '可用的字体', '*' * 10
    # for f in available:
    #     print f
    return available
def set_matplot_zh_font():
    available = get_matplot_zh_font()
    if len(available) > 0:
        mpl.rcParams['font.sans-serif'] = [available[0]]    # 指定默认字体
        mpl.rcParams['axes.unicode_minus'] = False          # 解决保存图像是负号'-'显示为方块的问题
set_matplot_zh_font()

#代码