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Github下载链接：https://github.com/nikhilkumarsingh/wordcloud-example

youtube视频链接：https://www.youtube.com/watch?v=95p3cVkqYHQ

What is a wordcloud?

什么是文字云图?

An image composed of words used in a particular text or subject, in which the size of each word indicates its frequency or importance.

由在特定文本或主题中使用的单词组成的图像，其中每个单词的大小表示其频率或重要性。

Installation

安装

Install wordcloud using a simple pip command.

pip install wordcloud

维基百科库用于提取有关任何给定主题的维基百科文章。使用以下pip命令安装它：

pip install wikipedia

python mywc.py 
   

For example:

python mywc.py China

will create wordcloud for the topic ‘china’ which looks like this:

将为主题“China”创建wordcloud，如下所示：

program：

程序：

import sysfrom os import pathimport numpy as npfrom PIL import Imageimport wikipediafrom wordcloud import WordCloud, STOPWORDS# get path to script's directorycurrdir = path.dirname(__file__)def get_wiki(query):	# get best matching title for given query	title = wikipedia.search(query)[0]	# get wikipedia page for selected title	page = wikipedia.page(title)	return page.contentdef create_wordcloud(text):	# create numpy araay for wordcloud mask image	mask = np.array(Image.open(path.join(currdir, "cloud.png")))	# create set of stopwords		stopwords = set(STOPWORDS)	# create wordcloud object	wc = WordCloud(background_color="white",					max_words=200, 					mask=mask,	               	stopwords=stopwords)		# generate wordcloud	wc.generate(text)	# save wordcloud	wc.to_file(path.join(currdir, "wc.png"))if __name__ == "__main__":	# get query	query = sys.argv[1]	# get text for given query	text = get_wiki(query)		# generate wordcloud	create_wordcloud(text)

云图素材

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