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python畫圖中文不顯示問題的解決方法

 更新時(shí)間：2022年06月30日 16:10:37   作者：sinysama  
python中繪圖時(shí)如果標(biāo)簽或者標(biāo)題是中文,最后繪出來的圖中的文字會(huì)被方框替代,下面這篇文章主要給大家介紹了關(guān)于python畫圖中文不顯示問題的解決方法,文中通過實(shí)例代碼介紹的非常詳細(xì),需要的朋友可以參考下

前言

python畫圖，如果用英文顯示基本沒有問題，但是中文可能會(huì)有亂碼或者不顯示的情況。

經(jīng)過個(gè)人的測(cè)試，下圖中“橫軸”，“縱軸”字樣的中文顯示沒有什么大問題，主要是plt.title部分和plt.plot部分的顯示
 

一、plt.title中文顯示的解決：

from matplotlib.font_manager import FontProperties
font_set = FontProperties(fname=r"c:\windows\fonts\SIMLI.TTF", size=15)
plt.title(u'小明的標(biāo)題', FontProperties=font_set)

FontProperties中加載的就是本地的字體

路徑：C:\Windows\Fonts

選中字體鼠標(biāo)右鍵屬性即可復(fù)制名字進(jìn)行替換

font_set = FontProperties(fname=r"c:\windows\fonts\SIMLI.TTF", size=15)

從改變字體的結(jié)果來看，橫縱坐標(biāo)和標(biāo)題區(qū)域受影響，plt.plot不受影響

二、plt.plot中文顯示的解決：

與上述類似，加下列一行即可

plt.legend(prop={'family':'SimHei','size':15})

三、供參考代碼

from matplotlib import pyplot
import matplotlib.pyplot as plt
from matplotlib.font_manager import FontProperties
from matplotlib.ticker import MultipleLocator, FormatStrFormatter 
font_set = FontProperties(fname=r"c:\windows\fonts\simsun.ttc", size=15)
import matplotlib
import numpy as np
%matplotlib inline

plt.rcParams['figure.figsize'] = (12.0, 8.0) # set default size of plots
plt.rcParams['image.interpolation'] = 'nearest'
plt.rcParams['image.cmap'] = 'gray'
# plt.rcParams['font.sans-serif']=['SimHei']
# plt.rcParams['axes.unicode_minus']=False     
# 設(shè)置標(biāo)題大小
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/文泉驛正黑.ttf')


x = range(0,102,2)

x = [str(x) for x in list(x)]

x = range(len(x))

#這里如果取得值，最好省略，否則冗余代碼太多
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('小明的標(biāo)題')
plt.legend()  # 讓圖例生效

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("橫軸",fontproperties=font_set) #X軸標(biāo)簽
plt.ylabel("縱軸",fontproperties=font_set) #Y軸標(biāo)簽
plt.legend(prop={'family':'SimHei','size':15})

總結(jié)

到此這篇關(guān)于python畫圖中文不顯示問題的解決方法的文章就介紹到這了,更多相關(guān)python畫圖中文不顯示內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！

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