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c1f3054ca2
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import csv
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import requests
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import re
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import pandas as pd
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import matplotlib.pyplot as plt
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page_num = 17
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message = []
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for i in range(1, page_num + 1):
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if i == 1:
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url = 'https://top.chinaz.com/gongsi/index_zhuce.html'
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else:
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url = f'https://top.chinaz.com/gongsi/index_zhuce_{i}.html'
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headers = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 Edg/108.0.1462.46"
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}
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resp = requests.get(url,headers=headers)
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html = resp.text
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company = re.findall('<a.*?target="_blank">(.+?)</a></h3>', html)
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register_money = re.findall('<div class="CoDate"><em>(.+?)亿</em>注册资本</div>', html)
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pageOne = list(zip(company, register_money))
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message.extend(pageOne)
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print(f"第{i}页爬取完毕")
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with open("content.csv", "w", encoding='utf-8', newline='') as f:
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w = csv.writer(f)
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w.writerows(message)
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plt.rcParams['font.sans-serif'] = ['SimHei']
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df = pd.read_csv("content.csv", names=["company","register_money"])
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df.sort_values(by=['register_money'])
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xlabels = df["company"].values[:20]
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ylabels = df["register_money"].values[:20]
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data = pd.Series(ylabels, index=xlabels)
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data.plot(kind='bar')
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plt.title('注册资金最多的公司 top20')
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plt.xlabel('公司')
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plt.xticks(rotation=270,fontsize=5)
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plt.ylabel('注册资金')
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for x, y in enumerate(data):
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plt.text(x, y, y)
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plt.show()
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