ADD file via upload

大作业.py

@@ -0,0 +1,46 @@
+import requests
+url="https://top.chinaz.com/gongsi/index_HuNan_zhuce.html"
+headers={
+    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36"
+}
+response=requests.get(url, headers=headers)
+html=response.text
+
+import re
+company=re.findall('<a.*?target="_blank">(.+?)</a></h3>', html)
+person=re.findall('法定代表人：</span>(.+?)</p>', html)
+signDate=re.findall('注册时间：</span>(.+?)</p>', html)
+category=re.findall('证券类别：</span>(.+?)</p>', html)
+pageOne=list(zip(company, person, signDate, category))
+message=[]
+
+for page in range(16):
+    if page==0:
+        url="https://top.chinaz.com/gongsi/index_HuNan_zhuce.html"
+    else:
+        url="https://top.chinaz.com/gongsi/index_HuNan_zhuce_{}.html".format(page + 1)
+    response=requests.get(url, headers=headers)
+    html=response.text
+    message.extend(pageOne)
+
+
+import csv
+with open("content.csv", "w") as f:
+    w=csv.writer(f)
+    w.writerows(message)
+
+import pandas as pd
+df=pd.read_csv("content.csv", names=["company", "person", "signDate", "category"],encoding='cp936')
+df.head()
+df1=df.groupby("category").count()["company"]
+
+import matplotlib.pyplot as plt
+plt.rcParams['font.sans-serif']=['SimHei']  
+names=df1.index
+values=df1.values
+fig1,ax1=plt.subplots()
+ax1.pie(values, labels=names, autopct='%3.1f%%',explode=(0.11,0.2),textprops={'fontsize':18,'color':'k'},radius=2,
+        shadow=True, startangle=180,colors=('c','y'))
+ax1.set_title('湖南企业五百强')
+ax1.axis('equal')
+plt.show()