python matplotlib中文乱码解决
import pandas as pd
import numpy as np
import jieba as jb
import matplotlib
import matplotlib.pyplot as plt
matplotlib.use('qt4agg')
#指定默认字体
matplotlib.rcParams['font.sans-serif'] = ['SimHei']
matplotlib.rcParams['font.family']='sans-serif'
#解决负号'-'显示为方块的问题
matplotlib.rcParams['axes.unicode_minus'] = False
with open("C:/Users/F.S.Z/Desktop/数据挖掘/去重后:招聘信息.csv") as f:
data=pd.read_csv(f)
data=np.array(data)
b=[]
c=[]
x=[]
y=[]
for i in data:
b.append(i[7])
b=set(b)
for i in range(len(b)):
c.append(0)
d=dict(zip(b,c))
for i in data:
d[i[7]]+=1
e=sorted(d.items(),key=lambda x:x[1],reverse=True)
for i in e:
x.append(i[0])
y.append(i[1])
plt.plot(x[:5],y[:5])
#显示每个点的值
for i,j in zip(x[:5],y[:5]):
plt.text(i,j,j,ha='center', va= 'bottom',fontsize=11)
plt.show()
结果: