Python实现的Excel文件读写类


Posted in Python onJuly 30, 2015

本文实例讲述了Python实现的Excel文件读写类。分享给大家供大家参考。具体如下:

#coding=utf-8
#######################################################
#filename:ExcelRW.py
#author:defias
#date:2015-4-27
#function:read or write excel file
#######################################################
import xlrd
import xlwt
import xlutils.copy 
import os.path
class XlsEngine():
 """
 The XlsEngine is a class for excel operation
 Usage: 
  xlseng = XlsEngine('filePath') 
 """
 def __init__(self,xlsname):
  """
  define class variable
  """
  self.xls_name = xlsname #file name
  self.xlrd_object = None #workbook object
  self.isopentrue = False #file open flag
 def open(self):
  """
  open a xls file
  Usage:
   xlseng.open()
  """
  try:
   self.xlrd_object = xlrd.open_workbook(self.xls_name)
   self.isopentrue = True
   print('[%s,%s].'%(self.isopentrue,self.xlrd_object))
  except:
   self.isopentrue = False
   self.xlrd_object = None
   print('open %s failed.'%self.xls_name)
 def info(self):
  """
  show xls file information
  Usage:
   xlseng.info()  
  """
  if self.isopentrue == True:
   for sheetname in self.xlrd_object.sheet_names():
    worksheet = self.xlrd_object.sheet_by_name(sheetname)
    print('%s:(%d row,%d col).'%(sheetname,worksheet.nrows,worksheet.ncols))
  else:
   print('file %s is not open.'%self.xls_name)
 def readcell(self,sheetname='sheet1',rown=0,coln=0):
  """
  read file's a cell content
  Usage:
   xlseng.readcell('sheetname',rown,coln)
  """
  try:
   if self.isopentrue == True:
    worksheets = self.xlrd_object.sheet_names()
    if sheetname not in worksheets:
     print('%s is not exit.'%sheetname)
     return False
    worksheet = self.xlrd_object.sheet_by_name(sheetname)
    cell = worksheet.cell_value(rown,coln)
    print('[file:%s,sheet:%s,row:%s,col:%s]:%s.'%(self.xls_name,sheetname,rown,coln,cell))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('readcell is false! please check sheetn rown and coln is right.')
 def readrow(self,sheetname='sheet1',rown=0):
  """
  read file's a row content
  Usage:
   xlseng.readrow('sheetname',rown)
  """
  try:
   if self.isopentrue == True:
    worksheets = self.xlrd_object.sheet_names()
    if sheetname not in worksheets:
     print('%s is not exit.'%sheetname)
     return False    
    worksheet = self.xlrd_object.sheet_by_name(sheetname)
    row = worksheet.row_values(rown)
    print('[file:%s,sheet:%s,row:%s]:%s.'%(self.xls_name,sheetname,rown,row))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('readrow is false! please check sheetn rown is right.')
 def readcol(self,sheetname='sheet1',coln=0):
  """
  read file's a col content
  Usage:
   xlseng.readcol('sheetname',coln)
  """
  try:
   if self.isopentrue == True:
    worksheets = self.xlrd_object.sheet_names()
    if sheetname not in worksheets:
     print('%s is not exit.'%sheetname)
     return False
    worksheet = self.xlrd_object.sheet_by_name(sheetname)
    col = worksheet.col_values(coln)
    print('[file:%s,sheet:%s,col:%s]:%s.'%(self.xls_name,sheetname,coln,col))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('readcol is false! please check sheetn coln is right.')
 def writecell(self,value='',sheetn=0,rown=0,coln=0):
  """
  write a cell to file,other cell is not change
  Usage:
    xlseng.writecell('str',sheetn,rown,coln)
  """
  try:
   if self.isopentrue == True:
    xlrd_objectc = xlutils.copy.copy(self.xlrd_object)
    worksheet = xlrd_objectc.get_sheet(sheetn)
    worksheet.write(rown,coln,value)
    xlrd_objectc.save(self.xls_name)
    print('writecell value:%s to [sheet:%s,row:%s,col:%s] is ture.'%(value,sheetn,rown,coln))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('writecell is false! please check.')
 def writerow(self,values='',sheetn=0,rown=0,coln=0):
  """
  write a row to file,other row and cell is not change
  Usage:
   xlseng.writerow('str1,str2,str3...strn',sheetn,rown.coln)
  """
  try:
   if self.isopentrue == True:
    xlrd_objectc = xlutils.copy.copy(self.xlrd_object)
    worksheet = xlrd_objectc.get_sheet(sheetn)
    values = values.split(',')
    for value in values:
     worksheet.write(rown,coln,value)
     coln += 1
    xlrd_objectc.save(self.xls_name)
    print('writerow values:%s to [sheet:%s,row:%s,col:%s] is ture.'%(values,sheetn,rown,coln))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('writerow is false! please check.')
 def writecol(self,values='',sheetn=0,rown=0,coln=0):
  """
  write a col to file,other col and cell is not change
  Usage:
   xlseng.writecol('str1,str2,str3...',sheetn,rown.coln)
  """
  try:
   if self.isopentrue == True:
    xlrd_objectc = xlutils.copy.copy(self.xlrd_object)
    worksheet = xlrd_objectc.get_sheet(sheetn)
    values = values.split(',')
    for value in values:
     worksheet.write(rown,coln,value)
     rown += 1
    xlrd_objectc.save(self.xls_name)
    print('writecol values:%s to [sheet:%s,row:%s,col:%s] is ture.'%(values,sheetn,rown,coln))
   else:
    print('file %s is not open.'%self.xls_name)
  except:
   print('writecol is false! please check.')
 def filecreate(self,sheetnames='sheet1'):
  """
  create a empty xlsfile
  Usage:
   filecreate('sheetname1,sheetname2...')
  """
  try:
   if os.path.isfile(self.xls_name):
    print('%s is exit.'%self.xls_name)
    return False
   workbook = xlwt.Workbook()
   sheetnames = sheetnames.split(',')
   for sheetname in sheetnames:
    workbook.add_sheet(sheetname,cell_overwrite_ok=True)
   workbook.save(self.xls_name)
   print('%s is created.'%self.xls_name)
  except:
   print('filerator is false! please check.')
 def addsheet(self,sheetnames='sheet1'):
  """
  add sheets to a exit xlsfile
  Usage:
   addsheet('sheetname1,sheetname2...')
  """
  try:
   if self.isopentrue == True:
    worksheets = self.xlrd_object.sheet_names()
    xlrd_objectc = xlutils.copy.copy(self.xlrd_object)
    sheetnames = sheetnames.split(',')
    for sheetname in sheetnames:
     if sheetname in worksheets:
      print('%s is exit.'%sheetname)
      return False
    for sheetname in sheetnames:
     xlrd_objectc.add_sheet(sheetname,cell_overwrite_ok=True)
    xlrd_objectc.save(self.xls_name)
    print('addsheet is ture.')
   else:
    print("file %s is not open \n"%self.xls_name)
  except:
   print('addsheet is false! please check.')
"""
  def chgsheet(self,sheetn,values):
  def clear(self):
""" 
if __name__ == '__main__': 
 #初始化对象
 xlseng = XlsEngine('E:\\Code\\Python\\test2.xls')
 #新建文件,可以指定要新建的sheet页面名称,默认值新建sheet1
 #print("\nxlseng.filecreate():")
 #xlseng.filecreate('newesheet1,newesheet2,newesheet3')
 #打开文件
 print("xlseng.open():")
 xlseng.open()
 #添加sheet页
 print("\nxlseng.addsheet():")
 xlseng.addsheet('addsheet1,addsheet2,addsheet3')
 #输出文件信息
 print("\nxlseng.info():")
 xlseng.info()
 #读取sheet1页第3行第3列单元格数据(默认读取sheet1页第1行第1列单元格数据)
 print("\nxlseng.readcell():")
 xlseng.readcell('sheet1',2,2)
 #读取sheet1页第2行的数据(默认读取sheet1页第1行的数据)
 print("\nxlseng.readrow():")
 xlseng.readrow('sheet1',1)
 #读取sheet1页第3列的数据(默认读取sheet1页第1列的数据)
 print("\nxlseng.readcol():")
 xlseng.readcol('sheet1',2)
 #向第一个sheet页的第2行第4列写字符串数据‘I am writecell writed'(默认向第一个sheet页的第1行第1列写空字符串)
 print("\nxlseng.writecell():")
 xlseng.writecell('I am writecell writed',0,1,3)
 #向第一个sheet页写一行数据,各列的值为‘rowstr1,rowstr2,rowstr3',从第3行第4列开始写入(默认向第一个sheet页写一行数据,值为‘',从第1行第1列开始写入)
 print("\nxlseng.writerow():")
 xlseng.writerow('rowstr1,rowstr2,rowstr3',0,2,3)
 #向第一个sheet页写一列数据,各行的值为‘colstr1,colstr2,colstr3,colstr4',从第4行第4列开始写入(默认向第一个sheet页写一列数据,值为‘',从第1行第1列开始写入)
 print("\nxlseng.writecol():")
 xlseng.writecol('colstr1,colstr2,colstr3,colstr4',0,3,3)

希望本文所述对大家的Python程序设计有所帮助。

Python 相关文章推荐
python实现计算倒数的方法
Jul 11 Python
在windows系统中实现python3安装lxml
Mar 23 Python
python安装PIL模块时Unable to find vcvarsall.bat错误的解决方法
Sep 19 Python
Python使用修饰器进行异常日志记录操作示例
Mar 19 Python
python腾讯语音合成实现过程解析
Aug 01 Python
python3 map函数和filter函数详解
Aug 26 Python
Python API len函数操作过程解析
Mar 05 Python
python 操作mysql数据中fetchone()和fetchall()方式
May 15 Python
简单了解Python多态与属性运行原理
Jun 15 Python
python适合做数据挖掘吗
Jun 16 Python
python判断是空的实例分享
Jul 06 Python
一篇文章弄懂Python中的内建函数
Aug 07 Python
Djang中静态文件配置方法
Jul 30 #Python
Python实现根据IP地址和子网掩码算出网段的方法
Jul 30 #Python
Python实现配置文件备份的方法
Jul 30 #Python
Python统计文件中去重后uuid个数的方法
Jul 30 #Python
Python利用正则表达式匹配并截取指定子串及去重的方法
Jul 30 #Python
Python实现简单拆分PDF文件的方法
Jul 30 #Python
使用Python脚本生成随机IP的简单方法
Jul 30 #Python
You might like
php中使用PHPExcel读写excel(xls)文件的方法
2014/09/15 PHP
PHP使用mkdir创建多级目录的方法
2015/12/22 PHP
利用PHPExcel实现Excel文件的写入和读取
2017/04/26 PHP
ThinkPHP框架使用redirect实现页面重定向的方法实例分析
2018/04/12 PHP
JQUBar 基于JQUERY的柱状图插件
2010/11/23 Javascript
Eval and new funciton not the same thing
2012/12/27 Javascript
jQuery学习笔记(3)--用jquery(插件)实现多选项卡功能
2013/04/08 Javascript
JavaScript中的正则表达式简明总结
2014/04/04 Javascript
js浏览器本地存储store.js介绍及应用
2014/05/13 Javascript
node中socket.io的事件使用详解
2014/12/15 Javascript
浏览器兼容的JS写法总结
2016/04/27 Javascript
走进AngularJs之过滤器(filter)详解
2017/02/17 Javascript
bootstrap datetimepicker日期插件超详细使用方法介绍
2017/02/23 Javascript
浅谈Angular4中常用管道
2017/09/27 Javascript
jQuery实现碰到边缘反弹的动画效果
2018/02/24 jQuery
JS获取input[file]的值并显示在页面的实现方法
2018/03/09 Javascript
深入浅析Vue中mixin和extend的区别和使用场景
2019/08/01 Javascript
layui button 按钮弹出提示窗口,确定才进行的方法
2019/09/06 Javascript
node.js中 redis 的安装和基本操作示例
2020/02/10 Javascript
Element-ui树形控件el-tree自定义增删改和局部刷新及懒加载操作
2020/08/31 Javascript
[54:26]完美世界DOTA2联赛PWL S3 Forest vs Rebirth 第一场 12.10
2020/12/12 DOTA
Python  __getattr__与__setattr__使用方法
2008/09/06 Python
Windows下的Jupyter Notebook 安装与自定义启动(图文详解)
2018/02/21 Python
django rest framework 数据的查找、过滤、排序的示例
2018/06/25 Python
python使用tcp实现局域网内文件传输
2020/03/20 Python
django rest framework serializer返回时间自动格式化方法
2020/03/31 Python
Python PIL库图片灰化处理
2020/04/07 Python
CSS3字体效果的设置方法小结
2016/06/13 HTML / CSS
html5 figure和figcaption的使用方法
2018/09/10 HTML / CSS
美国成衣女装品牌:CHICO’S
2016/09/19 全球购物
美国儿童玩具、装扮和玩偶商店:Magic Cabin
2018/09/02 全球购物
初中作文评语大全
2014/04/23 职场文书
2014高中生入党思想汇报范文
2014/09/13 职场文书
2015年领班工作总结
2015/04/29 职场文书
幼儿园万圣节活动总结
2015/05/05 职场文书
Python中json.load()和json.loads()有哪些区别
2021/06/07 Python