python合并同类型excel表格

python脚本如下，验证有效，

#!/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()

合并当前文件夹里csv文件到一个excel表里，筛选需要的数据，excel2007里面alt+;,

复制所选内容，把筛选的数据复制到新的标签页里，可进行均值分析