python 获取页面表格数据存放到csv中

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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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