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import matplotlib.pyplot as plt
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from wordcloud import WordCloud
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from imageio import imread
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from scanfiles import scan_files
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import csv
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def create_cloud(dic):
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# 将内容写入temp.txt
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with open('temp.txt', 'w', encoding='utf-8') as f:
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for i in dic:
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f.write(("%s " % i[0]) * i[1] + "\n")
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temp_txt = open("temp.txt", "r", encoding='utf-8').read()
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filepath = 'cloudshape'
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scan_files(filepath) # 扫描词云图背景图文件
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cloudshape = filepath + '\\' + "default.jpg" # 默认背景图片
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# 选择词云图背景文件的序号
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picture_no = input("Please select a background by the number in range:")
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with open('filename.csv', 'r', encoding='utf-8') as csvfile:
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reader = csv.reader(csvfile)
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for i in reader:
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if picture_no == i[0]:
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print('You choose cloud shape:', i[1], end='\n')
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cloudshape = filepath + '\\' + i[1]
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if cloudshape == filepath + '\\' + "bird.jpg": # 判断是否成功选择词云形状
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print('Input error,use default cloud shape bird.jpg', end='\n')
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color_mask = imread(cloudshape) # 词云形状图设置
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# 词云参数设置
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cloud = WordCloud(
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font_path='fonts\\sim.ttf', # 字体必须设置
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background_color='white', # 词云图像的背景色，默认为黑色
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mask=color_mask, # 绘制模板
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max_words=200, # 最大显示单词字数
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max_font_size=200, # 最大单词的字体大小，若无设置，则使用画布的大小
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)
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word_cloud = cloud.generate(temp_txt)
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plt.imshow(word_cloud)
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plt.axis('off')
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plt.show()
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