取出csv文件中的中文评论数据

Posted 2020-09-28 zhzhang

# -*- coding: utf-8 -*-

import csv
import re

csvfile = \'weibo.csv\'

def columns_data(path, column):
    columns_data = \'\'
    csvfile = open(path, \'r\', encoding=\'utf-8\')
    DicReader = csv.DictReader(csvfile)
    for row in DicReader:
        columns_data = columns_data+row.get(column)
    return columns_data

comments = columns_data(csvfile, \'comment\')
print(comments)

pattern = re.compile(r\'[\\u4e00-\\u9fa5]+\')
filterdata = re.findall(pattern, comments)
print(filterdata)

cleaned_comments = \'\'.join(filterdata)
print(cleaned_comments)

 

数据来源：Python爬取新浪微博评论数据，写入csv文件中

本文等同：筛选出一段文字中的中文