用python实现词云效果实例介绍

#!/usr/bin/env python
# encoding: utf-8

import jieba
import numpy as np
import PIL.Image as Image
from wordcloud import WordCloud

class wordCloud:
    '''
     This is a main Class, the file contains all documents.
     One document contains paragraphs that have several sentences
     It loads the original file and converts the original file to new content
     Then the new content will be saved by this class
    '''
    def __init__(self):
        self.bg_img = 'assets/picture.jpeg'
        self.word_path = 'assets/word.txt'

    def hello(self):
        '''
        This is a welcome speech
        :return: self
        '''
        print('*' * 50)
        print(' ' * 20 + '词云制作')
        print(' ' * 5 + 'Author: autofelix  Date: 2022-01-17 13:14')
        print('*' * 50)
        return self

    def run(self):
        '''
        The program entry
        '''
        with open(self.word_path, 'r') as f:
            word = f.read()

        cut_word = ' '.join(jieba.cut(word))
        color_mask = np.array(Image.open(self.bg_img))

        word_cloud = WordCloud(
            # 设置字体，不指定就会出现乱码
            font_path='/System/Library/Fonts/PingFang.ttc',
            # 设置背景色
            background_color='white',
            # 词云形状
            mask=color_mask,
            # 允许最大词汇
            max_words=120,
            # 最大号字体
            max_font_size=2000
        ).generate(cut_word)

        word_cloud.to_file('word_cloud.jpg')
        im = word_cloud.to_image()
        im.show()


if __name__ == '__main__':
    wordCloud().hello().run()