import requests
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36',
    'Host': 'blog.csdn.net'}
session = requests.session()
 
def getHtmlByRequests(url):
    headers.update(
        dict(Referer=url, Accept="*/*", Connection="keep-alive"))
    htmlContent = session.get(url=url, headers=headers).content
    return htmlContent.decode("utf-8", "ignore")

import re
# 统计中文字数
def countContent(string):
    pattern = re.compile(u'[\u1100-\uFFFD]+?')
    content = pattern.findall(string)
    return content

# 分析页面信息
def analyzeHtml(html):
    # 初始化网页
    soup = BeautifulSoup(html, "html.parser")
    part = soup.select('div')
    match = ""
    for paragraph in part:
        content = countContent(str(paragraph))
        if len(content) > len(match):
            match = str(paragraph)
    return match

def main():
    url = "http://blog.csdn.net/"
    html = getHtmlByRequests(url)
    mainContent = analyzeHtml(html)
    soup = BeautifulSoup(mainContent, "html.parser")
    print(soup.select('div')[0].text)

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from bs4 import BeautifulSoup
import requests
import re

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36',
    'Host': 'blog.csdn.net'}
session = requests.session()


def getHtmlByRequests(url):
    headers.update(
        dict(Referer=url, Accept="*/*", Connection="keep-alive"))
    htmlContent = session.get(url=url, headers=headers).content
    return htmlContent.decode("utf-8", "ignore")

# 统计中文字数
def countContent(string):
    pattern = re.compile(u'[\u1100-\uFFFD]+?')
    content = pattern.findall(string)
    return content

# 分析页面信息
def analyzeHtml(html):
    # 初始化网页
    soup = BeautifulSoup(html, "html.parser")
    part = soup.select('div')
    match = ""
    for paragraph in part:
        content = countContent(str(paragraph))
        if len(content) > len(match):
            match = str(paragraph)
    return match


def main():
    url = "http://blog.csdn.net/"
    html = getHtmlByRequests(url)
    mainContent = analyzeHtml(html)
    soup = BeautifulSoup(mainContent, "html.parser")
    print(soup.select('div')[0].text)


if __name__ == '__main__':
    main()