python根据文本生成词云图代码实例

from wordcloud import WordCloud
import codecs
import jieba
#import jieba.analyse as analyse
from scipy.misc import imread
import os
from os import path
import matplotlib.pyplot as plt
from PIL import Image, ImageDraw, ImageFont


# 绘制词云
def draw_wordcloud():
  #读入一个txt文件
  comment_text = open('data.txt','r',encoding='utf-8').read()
  #结巴分词，生成字符串，如果不通过分词，无法直接生成正确的中文词云
  cut_text = " ".join(jieba.cut(comment_text))
  d = path.dirname(__file__) # 当前文件文件夹所在目录
  color_mask = imread("bilibili.jpg") # 读取背景图片
  cloud = WordCloud(
    #设置字体，不指定就会出现乱码
    font_path="C:/Windows/Fonts/STXINGKA.TTF",
    #font_path=path.join(d,'simsun.ttc'),
    #设置背景色
    background_color='white',
    #词云形状
    mask=color_mask,
    #允许最大词汇
    max_words=2000,
    #最大号字体
    max_font_size=100
  )
  word_cloud = cloud.generate(cut_text) # 产生词云
  word_cloud.to_file("bilibilirankword.jpg") #保存图片
  # 显示词云图片
  plt.imshow(word_cloud)
  plt.axis('off')
  plt.show()

if __name__ == '__main__':
  draw_wordcloud()