python 获取页面表格数据存放到csv中的方法

时间:2021-05-22

获取单独一个table,代码如下:

#!/usr/bin/env python3# _*_ coding=utf-8 _*_import csvfrom urllib.request import urlopenfrom bs4 import BeautifulSoupfrom urllib.request import HTTPErrortry: html = urlopen("http://en.wikipedia.org/wiki/Comparison_of_text_editors")except HTTPError as e: print("not found")bsObj = BeautifulSoup(html,"html.parser")table = bsObj.findAll("table",{"class":"wikitable"})[0]if table is None: print("no table"); exit(1)rows = table.findAll("tr")csvFile = open("editors.csv",'wt',newline='',encoding='utf-8')writer = csv.writer(csvFile)try: for row in rows: csvRow = [] for cell in row.findAll(['td','th']): csvRow.append(cell.get_text()) writer.writerow(csvRow)finally: csvFile.close()

获取所有table,代码如下:

#!/usr/bin/env python3# _*_ coding=utf-8 _*_import csvfrom urllib.request import urlopenfrom bs4 import BeautifulSoupfrom urllib.request import HTTPErrortry: html = urlopen("http://en.wikipedia.org/wiki/Comparison_of_text_editors")except HTTPError as e: print("not found")bsObj = BeautifulSoup(html,"html.parser")tables = bsObj.findAll("table",{"class":"wikitable"})if tables is None: print("no table"); exit(1)i = 1for table in tables: fileName = "table%s.csv" % i rows = table.findAll("tr") csvFile = open(fileName,'wt',newline='',encoding='utf-8') writer = csv.writer(csvFile) try: for row in rows: csvRow = [] for cell in row.findAll(['td','th']): csvRow.append(cell.get_text()) writer.writerow(csvRow) finally: csvFile.close() i += 1

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