python 写excel

# !/usr/bin/env python
# -*- coding: utf-8 -*-
import MySQLdb
from datetime import datetime
import cx_Oracle
import os
import sys
import xlwt

reload(sys)
import time
sys.setdefaultencoding('utf-8')
os.environ['NLS_LANG'] = 'SIMPLIFIED CHINESE_CHINA.UTF8'
def write_data_to_excel(name, result):
    # 将sql作为参数传递调用get_data并将结果赋值给result,(result为一个嵌套元组)
    result = result
    # 实例化一个Workbook()对象(即excel文件)
    wbk = xlwt.Workbook(encoding='utf-8')
    # 新建一个名为Sheet1的excel sheet。此处的cell_overwrite_ok =True是为了能对同一个单元格重复操作。
    sheet = wbk.add_sheet('Sheet1', cell_overwrite_ok=True)
    # 获取当前日期，得到一个datetime对象如：(2016, 8, 9, 23, 12, 23, 424000)
    #today = datetime.today()
    # 将获取到的datetime对象仅取日期如：2016-8-9
    #today_date = datetime.date(today)
    # 遍历result中的没个元素。
    titlelist=['bankno', 'bankstatus', 'banktype', 'bankclscode', 'clearbank', 'legalperson', 'topbanklist', 'topbankno', 'topbankname', 'rplbankno', 'peoplebankno', 'ccpcnodeno', 'citycode', 'bankname', 'bankaliasname', 'signflag', 'address', 'postcode', 'telephone', 'email', 'remark', 'cnapsgeneration', 'saccstatus', 'saccaltdate', 'saccalttime', 'remark1', 'updatedate', 'updateno', 'effectdate', 'invaliddate', 'changetype']
    # for i in xrange(len(titlelist)):
    #     sheet.write(1, i, titlelist[i])
    # wbk.save(name + str(yesterday) + '.xls')
    for i in xrange(len(result)):
        # 对result的每个子元素作遍历，
        if i==0:
            for x in xrange(len(titlelist)):
                sheet.write(0, x, titlelist[x])
        for j in xrange(len(result[i])):
            y=i+1
            # 将每一行的每个元素按行号i,列号j,写入到excel中。
            #if result[i][j] is None:
            sheet.write(y, j, result[i][j])
    # 以传递的name+当前日期作为excel名称保存。
    wbk.save(name)

conn = cx_Oracle.connect('afa/afa@1.1.1.1/xx')
cur = conn.cursor()
mysql='select distinct a.clearbank 
  from T_CPIM_CNAPSBANKINFO a 
where a.bankno in 
       (select distinct b.legalperson from T_CPIM_CNAPSBANKINFO b)'

sqlb='select count(*) from (select distinct a.clearbank  
  from T_CPIM_CNAPSBANKINFO a 
where a.bankno in 
       (select distinct b.legalperson from T_CPIM_CNAPSBANKINFO b))'

cur.execute(mysql)
arr01= cur.fetchall()
print type(arr01)

cur.execute(sqlb)
count=cur.fetchone()
print count[0]
time.sleep(5)
list=[]
for x in arr01:
  clearbank=x[0]
  print clearbank
  sqlb="select * from T_CPIM_CNAPSBANKINFO a where a.clearbank=%s" % (clearbank)
  print sqlb
  cur.execute(sqlb)
  arr02= cur.fetchall()
  print len(arr02)
  if len(arr02) == 1:
     list.append(arr02[0])
  else:
     minnum=1000
     for x in arr02:
       print x[13]
       min1=len(x[13])
       if min1 <  minnum:
           minnum=min1
           arr03=x
     print arr03
     print arr03[13]
     #time.sleep(100)
     list.append(arr03)
print list
print len(list)
write_data_to_excel('cnaps.csv',list)