[转载]python操作excel使用win32com

原文链接：http://blog.163.com/yang_jianli/blog/static/16199000620138532243782/

使用COM接口，直接操作EXCEL(只能在Win上)。

优点：可以满足绝大数要求。缺点：有些麻烦。
文档也可以参看OFFICE自带的VBA EXCEL 帮助文件(VBAXL.CHM)。这里面讲述了EXCEL VBA的编程概念，不错的教程！另外，《Python Programming on Win32》书中也有很详细的介绍。这本书中给出了一个类来操作EXCEL 文件，可以很容易的加以扩展。

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 from win32com.client import Dispatch
 import win32com.client
 class easyExcel:
       """A utility to make it easier to get at Excel.    Remembering
       to save the data is your problem, as is    error handling.
       Operates on one workbook at a time."""
       def __init__(self, filename=None):  #打开文件或者新建文件（如果不存在的话）
           self.xlApp = win32com.client.Dispatch('Excel.Application')
           if filename:
               self.filename = filename
               self.xlBook = self.xlApp.Workbooks.Open(filename)
           else:
               self.xlBook = self.xlApp.Workbooks.Add()
               self.filename = ''

       def save(self, newfilename=None):  #保存文件
           if newfilename:
               self.filename = newfilename
               self.xlBook.SaveAs(newfilename)
           else:
               self.xlBook.Save()
       def close(self):  #关闭文件
           self.xlBook.Close(SaveChanges=0)
           del self.xlApp
       def getCell(self, sheet, row, col):  #获取单元格的数据
           "Get value of one cell"
           sht = self.xlBook.Worksheets(sheet)
           return sht.Cells(row, col).Value
       def setCell(self, sheet, row, col, value):  #设置单元格的数据
           "set value of one cell"
           sht = self.xlBook.Worksheets(sheet)
           sht.Cells(row, col).Value = value
       def getRange(self, sheet, row1, col1, row2, col2):  #获得一块区域的数据，返回为一个二维元组
           "return a 2d array (i.e. tuple of tuples)"
           sht = self.xlBook.Worksheets(sheet)
           return sht.Range(sht.Cells(row1, col1), sht.Cells(row2, col2)).Value
       def addPicture(self, sheet, pictureName, Left, Top, Width, Height):  #插入图片
           "Insert a picture in sheet"
           sht = self.xlBook.Worksheets(sheet)
           sht.Shapes.AddPicture(pictureName, 1, 1, Left, Top, Width, Height)  

       def cpSheet(self, before):  #复制工作表
           "copy sheet"
           shts = self.xlBook.Worksheets
           shts(1).Copy(None,shts(1))
 #下面是一些测试代码
 if __name__ == "__main__":
       PNFILE = r'c:/screenshot.bmp'
       xls = easyExcel(r'D:/test.xls')
       xls.addPicture('Sheet1', PNFILE, 20,20,1000,1000)
       xls.cpSheet('Sheet1')
       xls.save()
       xls.close()