关于python-csv的使用介绍

# -*- coding: utf8 -*-import csv 
with open('test.csv','rb') as my: 
 lines=csv.reader(my) 
 for line in lines: 
 print line

# -*- coding: utf8 -*-import csv
with open('text01.csv','wb') as my: 
 mywriter=csv.writer(my) 
 mywriter.writerow([1,'a']) 
 mywriter.writerow([2,'b']) 
 lists=[[3,5],[4,6]] 
 mywriter.writerows(lists)

# -*- coding: utf8 -*-import csv
with open('text01.csv','rb') as my: 
 lines=csv.reader(my,csv.register_dialect('mydialect',delimiter='|', quoting=csv.QUOTE_ALL)) 
 print lines.line_num 
 for line in lines: 
 print line

# -*- coding: utf8 -*-import csv
with open('text.csv', 'wb') as csvfile:
 spamwriter = csv.writer(csvfile, delimiter=' ',
 quotechar='|', quoting=csv.QUOTE_MINIMAL)
 spamwriter.writerow(['tiger'] * 5 + ['pig '])
 spamwriter.writerow(['cat', 'mouse', 'dog'])