from collections import Counter
from zhon import hanzi
import string
import re
import os
import matplotlib.pyplot as plt
import jieba
from wordcloud import WordCloud, ImageColorGenerator

with open(‘mysql必知应会.txt‘,‘r‘, encoding=‘utf-8‘) as fp:
    alltext = ‘ ‘.join(fp.readlines())

alltext = re.sub("[%s]+" % hanzi.punctuation, " ", alltext)
alltext = re.sub("[%s]+" % string.punctuation, " ", alltext)

seg_list = jieba.cut(alltext, cut_all=False)
seg_list = list(seg_list)

counter = Counter(seg_list)
top = counter.most_common(1000)

top_dict = dict(top)

stopwords_list = []
pwd = os.path.abspath(‘.‘)
for file in os.listdir(os.path.join(pwd,‘stopwords‘)):
    filename = os.path.join(pwd,‘stopwords‘,file)
    with open(filename,‘r‘) as fp:
        stopwords_list.extend(fp.readlines())

stopwords_list = list(set(stopwords_list))

for stopword in stopwords_list:
    try:
        top_dict.pop(stopword.strip())
    except:
        pass

wc = WordCloud(background_color="white", #背景颜色max_words=2000,# 词云显示的最大词数
    font_path=‘simfang.ttf‘,
    max_font_size=50, #字体最大值
    random_state=42)

wc.generate_from_frequencies(top_dict)

plt.imshow(wc)
plt.axis(‘off‘)

plt.show()