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


# 繪制詞云
def draw_wordcloud():
  #讀入一個txt文件
  comment_text = open('data.txt','r',encoding='utf-8').read()
  #結(jié)巴分詞，生成字符串，如果不通過分詞，無法直接生成正確的中文詞云
  cut_text = " ".join(jieba.cut(comment_text))
  d = path.dirname(__file__) # 當前文件文件夾所在目錄
  color_mask = imread("bilibili.jpg") # 讀取背景圖片
  cloud = WordCloud(
    #設(shè)置字體，不指定就會出現(xiàn)亂碼
    font_path="C:/Windows/Fonts/STXINGKA.TTF",
    #font_path=path.join(d,'simsun.ttc'),
    #設(shè)置背景色
    background_color='white',
    #詞云形狀
    mask=color_mask,
    #允許最大詞匯
    max_words=2000,
    #最大號字體
    max_font_size=100
  )
  word_cloud = cloud.generate(cut_text) # 產(chǎn)生詞云
  word_cloud.to_file("bilibilirankword.jpg") #保存圖片
  # 顯示詞云圖片
  plt.imshow(word_cloud)
  plt.axis('off')
  plt.show()

if __name__ == '__main__':
  draw_wordcloud()