python中matplotlib作图时plt.legend（）中无法显示中文，乱码为小方框

引入模块：
from matplotlib import font_manager

定义一个变量：
font = font_manager.FontProperties(fname = ‘电脑中字体的路径’)
然后再调用plt.legend(prop = font)

import matplotlib.pyplot as plt
from matplotlib import font_manager	 #matplotlib中 中文设置模块
import numpy as np

#中文字体路径（先看好自己电脑中的路径）
font = font_manager.FontProperties(fname = 'C:/Windows/fonts/simkai.ttf')

arr = np.genfromtxt('F:/Program Files/JetBrains/PycharmProjects/untitled/dat.csv', delimiter=',')
x_labels = np.array(['01.02', '01.03', '01.06', '01.07', '01.08', '01.09', '01.10', '01.13'])
x_arr = np.arange(len(arr[:,0]))

plt.bar(x_arr,arr[:,0],tick_label = x_labels,label = '百度')
plt.bar(x_arr,arr[:,1],bottom = arr[:,0],tick_label = x_labels,label = '阿里')
plt.bar(x_arr,arr[:,2],bottom = arr[:,1],tick_label = x_labels,label = '腾讯')

plt.legend(prop = font,loc = 'best')		#记得添加prop = font
plt.show()