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====== 使用Python合并多个CSV文件为Excel xlsx文件 ======

<code python>

#! /tools/python/2.7.6/bin/python

#############################################################
#############################################################
##### Extract Report Constraints Vilations     ##############
#############################################################
#############################################################

import re
import os
import sys
import csv
import glob
import gzip
import time

sys.path.append("/data/nishome/donghua.gu/scripts_gdh/pym")

import xlwt
import xlsxwriter

def merge_csv2xlsx(csv_dir, xlsxfile):
  # Create a new workbook and add a worksheet
  workbook = xlsxwriter.Workbook(xlsxfile)
  fmt_plain = workbook.add_format({
      'font_size':  11,
      'font_name':  "Arial Narrow",
  })

  ws_names = []
  for filename in glob.glob("./%s/*.csv" % csv_dir):
    print "  procsss %s" % filename
    (f_path, f_name) = os.path.split(filename)
    (f_short_name, f_extension) = os.path.splitext(f_name)
    sheet_name = f_short_name[:28]
    if sheet_name in ws_names:
      sheet_name = "%s-%d" % (len(ws_names))
    worksheet = workbook.add_worksheet(sheet_name)

    spamReader = csv.reader(open(filename, 'rb'), delimiter=',',quotechar='"')
    row_count = 0
    for row in spamReader:
      for col in range(len(row)):
        value = row[col]
        try:
          value = int(value)
        except:
          try:
            value = float(value)
          except:
            #print "    Value not number: %s" % row[col]
            pass
        worksheet.write(row_count, col, value, fmt_plain)
      row_count +=1

  workbook.close()
  print "xlsx file saved: %s" % xlsxfile
  return


if __name__ == "__main__":

  if len(sys.argv) != 2:
    print "\nUsage:"
    print "\t%s <csv dir>\n" % sys.argv[0]
    sys.exit(0)

  tag = time.strftime("%Y%m%d-%H%M%S")
  rpt_dir = sys.argv[1]
  #xlsxfile = "%s/merge_%s.xlsx" % (rpt_dir, tag)
  xlsxfile = "merge_%s.xlsx" % (tag)
  merge_csv2xlsx(rpt_dir, xlsxfile)



</code>
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