import matplotlib.pyplot as plt#绘图库
import jieba
from wordcloud import WordCloud

# 读入文本数据
fp = open(r'D:\爬虫下载\2020年政府工作报告.txt','r',encoding='utf-8')
content = fp.read()
# print(content)
#分词
words = jieba.lcut(content)
# 词频分析操作
data = {}
for word in words:
  if len(word)>1:
    if word in data:
      data[word]+=1
    else:
      data[word]=1
# print(data)

#排序
hist = list(data.items())#转成列表
hist.sort(key=lambda x:x[1],reverse=True)
# print(hist)

#调试输出
for i in range(20):
  # print(hist[i])
  print('{:<10}{:>5}'.format(hist[i][0],hist[i][1]))#左对齐10，右对齐5个长度

result = ' '.join(words)
# print(result)
#生成词云
wc = WordCloud(
  font_path=r'D:\PPT\ppt字体\思源宋体SC-Regular.otf',
  background_color = 'white',#背景颜色
  width=500,#图片的宽
  height=300,
  max_font_size=50,
  min_font_size=12
)
wc.generate(result)
wc.to_file(r'.\wordcloud.png')#保存图片
#显示图片
plt.figure('政府工作报告')
plt.imshow(wc)
plt.axis('off')#关闭坐标轴
plt.show()