python合并同类型excel表格的方法

#!/usr/bin/env python

# -*- coding: UTF-8 -*-
import os,csv


class CSVTopoIreator:
  def __init__(self,filename):
    self.infile = open(filename,'rb')
    self.reader = csv.reader(self.infile)
  def __iter__(self):
    return self
  def next(self):
    try:
      row = self.reader.next()
    except StopIteration:
      self.infile.close()
      raise StopIteration
    return row


def main():
csvfile = file('csv_test.csv','wb')
writer = csv.writer(csvfile,delimiter=',',dialect='excel')
writer.writerow(['Items','Measure','Result'])
for (dirpath,dirnames,filenames) in os.walk('.'):
for name in filenames:
if name != "new1.py" or name != "niniubi.csv":
filename = dirpath + '/' + name
print "csv filename:",filename
ireator = CSVTopoIreator(filename)
#writer.writerow(ireator)
for a in ireator:
print a
writer.writerow(a)
csvfile.close()

if __name__ == '__main__':
  main()