python-操作exel(xlrd,xlwt)

1.使用第三方库

python中处理excel表格，常用的库有xlrd（读excel）表、xlwt（写excel）表、openpyxl（可读写excel表）等。 xlrd读数据较大的excel表时效率高于openpyxl，所以我在写脚本时就采用了xlrd和xlwt这两个库。介绍及下载地址为：http://www.python-excel.org/ 这些库文件都没有提供修改现有excel表格内容的功能。一般只能将原excel中的内容读出、做完处理后，再写入一个新的excel文件。

1.安装

pip install xlwt

pip install xlrd

2.使用

1.导入模块

import xlrd #导入模块

2.获取一个工作表的数据

table = data.sheets()[0]          #通过索引顺序获取，这个是个地址列表
#[u'\u65e5\u671f', u'\u5c0f\u65f6', u'\u697c\u5c42', u'\u5e97\u94fa\u53f7', u'\u5e97\u94fa\u540d\u79f0', u'\u4eba\u6570']
table = data.sheet_by_index(0) #通过索引顺序获取
table = data.sheet_by_name(u'Sheet1')#通过名称获取

#获取整行和整列的值（数组）
table.row_values(i)
table.col_values(i)

#获取行数和列数
nrows = table.nrows
ncols = table.ncols
#循环行列表数据
for i in range(nrows ):
    print table.row_values(i)
#单元格
cell_A1 = table.cell(0,0).value
cell_C4 = table.cell(2,3).value

#使用行列索引
cell_A1 = table.row(0)[0].value

cell_A2 = table.col(1)[0].value

3.写入数据到一个sheel中

w = xlwt.Workbook()#创建一个写入的exel对象
sheet = w.add_sheet('sheet1')#添加一个sheet页
for i in range(len(buf)):
    print buf[i]
    sheet.write(i,0,buf[i].decode('utf8'))#写入数据
w.save(outEfile) #将数据写入到保存文件，没有这一步数据在内存中

4.设置格式

创建一个样式对象，对其进行设置，之后应用到exel格式中。样式对象有很多设置，举例常用的几个，一个是字体front设置，一个是边框borders设置，一个是Pattern

style = xlwt.XFStyle() # 初始化样式

创建一个front设置，设置其字体等：

font = xlwt.Font() # 为样式创建字体
font.name = name # 'Times New Roman'#设置字体
font.bold = bold#设置字体颜色
font.color_index = 4
font.height = height#高度

创建一个borders设置：

borders = xlwt.Borders()#创建一个边框对象
borders.left = 1
borders.right = 1
borders.top = 1
borders.bottom = 1
borders.bottom_colour=0x3A

创建一个Pattern设置：

pattern = xlwt.Pattern() # Create the Pattern
    pattern.pattern = xlwt.Pattern.SOLID_PATTERN # May be: NO_PATTERN, SOLID_PATTERN, or 0x00 through 0x12
    pattern.pattern_fore_colour = 5 # May be: 8 through 63. 0 = Black, 1 = White, 2 = Red, 3 = Green,

应用到样式中：

style.borders = borders
style.font = font
style.pattern = pattern # Add Pattern to Style

最后演示结果图：

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" 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最后是官方实例，比较详细，有用到的可以看一下：

Examples Generating Excel Documents Using Python’s xlwt

Here are some simple examples using Python’s xlwt library to dynamically generate Excel documents.

Please note a useful alternative may be ezodf, which allows you to generate ODS (Open Document Spreadsheet) files for LibreOffice / OpenOffice. You can check them out at:http://packages.python.org/ezodf/index.html

The Simplest Example
import xlwt
workbook = xlwt.Workbook(encoding = 'ascii')
worksheet = workbook.add_sheet('My Worksheet')
worksheet.write(0, 0, label = 'Row 0, Column 0 Value')
workbook.save('Excel_Workbook.xls')

Formatting the Contents of a Cell
import xlwt
workbook = xlwt.Workbook(encoding = 'ascii')
worksheet = workbook.add_sheet('My Worksheet')
font = xlwt.Font() # Create the Font
font.name = 'Times New Roman'
font.bold = True
font.underline = True
font.italic = True
style = xlwt.XFStyle() # Create the Style
style.font = font # Apply the Font to the Style
worksheet.write(0, 0, label = 'Unformatted value')
worksheet.write(1, 0, label = 'Formatted value', style) # Apply the Style to the Cell
workbook.save('Excel_Workbook.xls')

Attributes of the Font Object
font.bold = True # May be: True, False
font.italic = True # May be: True, False
font.struck_out = True # May be: True, False
font.underline = xlwt.Font.UNDERLINE_SINGLE # May be: UNDERLINE_NONE, UNDERLINE_SINGLE, UNDERLINE_SINGLE_ACC, UNDERLINE_DOUBLE, UNDERLINE_DOUBLE_ACC
font.escapement = xlwt.Font.ESCAPEMENT_SUPERSCRIPT # May be: ESCAPEMENT_NONE, ESCAPEMENT_SUPERSCRIPT, ESCAPEMENT_SUBSCRIPT
font.family = xlwt.Font.FAMILY_ROMAN # May be: FAMILY_NONE, FAMILY_ROMAN, FAMILY_SWISS, FAMILY_MODERN, FAMILY_SCRIPT, FAMILY_DECORATIVE
font.charset = xlwt.Font.CHARSET_ANSI_LATIN # May be: CHARSET_ANSI_LATIN, CHARSET_SYS_DEFAULT, CHARSET_SYMBOL, CHARSET_APPLE_ROMAN, CHARSET_ANSI_JAP_SHIFT_JIS, CHARSET_ANSI_KOR_HANGUL, CHARSET_ANSI_KOR_JOHAB, CHARSET_ANSI_CHINESE_GBK, CHARSET_ANSI_CHINESE_BIG5, CHARSET_ANSI_GREEK, CHARSET_ANSI_TURKISH, CHARSET_ANSI_VIETNAMESE, CHARSET_ANSI_HEBREW, CHARSET_ANSI_ARABIC, CHARSET_ANSI_BALTIC, CHARSET_ANSI_CYRILLIC, CHARSET_ANSI_THAI, CHARSET_ANSI_LATIN_II, CHARSET_OEM_LATIN_I
font.colour_index = ?
font.get_biff_record = ?
font.height = 0x00C8 # C8 in Hex (in decimal) = 10 points in height.
font.name = ?
font.outline = ?
font.shadow = ?

Setting the Width of a Cell
import xltw
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
worksheet.write(0, 0, 'My Cell Contents')
worksheet.col(0).width = 3333 # 3333 = 1" (one inch).
workbook.save('Excel_Workbook.xls')

Entering a Date into a Cell
import xlwt
import datetime
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
style = xlwt.XFStyle()
style.num_format_str = 'M/D/YY' # Other options: D-MMM-YY, D-MMM, MMM-YY, h:mm, h:mm:ss, h:mm, h:mm:ss, M/D/YY h:mm, mm:ss, [h]:mm:ss, mm:ss.0
worksheet.write(0, 0, datetime.datetime.now(), style)
workbook.save('Excel_Workbook.xls')

Adding a Formula to a Cell
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
worksheet.write(0, 0, 5) # Outputs 5
worksheet.write(0, 1, 2) # Outputs 2
worksheet.write(1, 0, xlwt.Formula('A1*B1')) # Should output "10" (A1[5] * A2[2])
worksheet.write(1, 1, xlwt.Formula('SUM(A1,B1)')) # Should output "7" (A1[5] + A2[2])
workbook.save('Excel_Workbook.xls')

Adding a Hyperlink to a Cell
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
worksheet.write(0, 0, xlwt.Formula('HYPERLINK("http://www.google.com";"Google")')) # Outputs the text "Google" linking to http://www.google.com
workbook.save('Excel_Workbook.xls')

Merging Columns and Rows
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
worksheet.write_merge(0, 0, 0, 3, 'First Merge') # Merges row 0's columns 0 through 3.
font = xlwt.Font() # Create Font
font.bold = True # Set font to Bold
style = xlwt.XFStyle() # Create Style
style.font = font # Add Bold Font to Style
worksheet.write_merge(1, 2, 0, 3, 'Second Merge', style) # Merges row 1 through 2's columns 0 through 3.
workbook.save('Excel_Workbook.xls')

Setting the Alignment for the Contents of a Cell
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
alignment = xlwt.Alignment() # Create Alignment
alignment.horz = xlwt.Alignment.HORZ_CENTER # May be: HORZ_GENERAL, HORZ_LEFT, HORZ_CENTER, HORZ_RIGHT, HORZ_FILLED, HORZ_JUSTIFIED, HORZ_CENTER_ACROSS_SEL, HORZ_DISTRIBUTED
alignment.vert = xlwt.Alignment.VERT_CENTER # May be: VERT_TOP, VERT_CENTER, VERT_BOTTOM, VERT_JUSTIFIED, VERT_DISTRIBUTED
style = xlwt.XFStyle() # Create Style
style.alignment = alignment # Add Alignment to Style
worksheet.write(0, 0, 'Cell Contents', style)
workbook.save('Excel_Workbook.xls')

Adding Borders to a Cell
# Please note: While I was able to find these constants within the source code, on my system (using LibreOffice,) I was only presented with a solid line, varying from thin to thick; no dotted or dashed lines.
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
borders = xlwt.Borders() # Create Borders
borders.left = xlwt.Borders.DASHED # May be: NO_LINE, THIN, MEDIUM, DASHED, DOTTED, THICK, DOUBLE, HAIR, MEDIUM_DASHED, THIN_DASH_DOTTED, MEDIUM_DASH_DOTTED, THIN_DASH_DOT_DOTTED, MEDIUM_DASH_DOT_DOTTED, SLANTED_MEDIUM_DASH_DOTTED, or 0x00 through 0x0D.
borders.right = xlwt.Borders.DASHED
borders.top = xlwt.Borders.DASHED
borders.bottom = xlwt.Borders.DASHED
borders.left_colour = 0x40
borders.right_colour = 0x40
borders.top_colour = 0x40
borders.bottom_colour = 0x40
style = xlwt.XFStyle() # Create Style
style.borders = borders # Add Borders to Style
worksheet.write(0, 0, 'Cell Contents', style)
workbook.save('Excel_Workbook.xls')

Setting the Background Color of a Cell
import xlwt
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('My Sheet')
pattern = xlwt.Pattern() # Create the Pattern
pattern.pattern = xlwt.Pattern.SOLID_PATTERN # May be: NO_PATTERN, SOLID_PATTERN, or 0x00 through 0x12
pattern.pattern_fore_colour = 5 # May be: 8 through 63. 0 = Black, 1 = White, 2 = Red, 3 = Green, 4 = Blue, 5 = Yellow, 6 = Magenta, 7 = Cyan, 16 = Maroon, 17 = Dark Green, 18 = Dark Blue, 19 = Dark Yellow , almost brown), 20 = Dark Magenta, 21 = Teal, 22 = Light Gray, 23 = Dark Gray, the list goes on...
style = xlwt.XFStyle() # Create the Pattern
style.pattern = pattern # Add Pattern to Style
worksheet.write(0, 0, 'Cell Contents', style)
workbook.save('Excel_Workbook.xls')

TODO: Things Left to Document
- Panes -- separate views which are always in view
- Border Colors (documented above, but not taking effect as it should)
- Border Widths (document above, but not working as expected)
- Protection
- Row Styles
- Zoom / Manification
- WS Props?
Source Code for reference available at: https://secure.simplistix.co.uk/svn/xlwt/trunk/xlwt/

官方实例

最后是一个小实例，遇到了一个比较坑的东西，我想投机取巧，事前先把样式手动设置好，直接往里面写数据。这时我用到了copy，但是往里面写数据没问题，但是在保存的时候，老是报字符集的问题，这也是python2的一大问题吧。一天我也没解决掉，最后只能先放弃了。

#!/usr/bin/env python
#-*- coding:utf-8 -*-
__author__ = 'wyf'

import ConfigParser
import xlwt
import xlrd
import sys
from xlutils.copy import copy
import sys
import codecs
reload(sys)
sys.setdefaultencoding('utf-8')

a=[['', '2016-05-01 10', '', '', 'snidel', 81], ['', '2016-05-01 10', '', '', 'Bout hent ique', 12], ['', '2016-05-01 10', '', '', 'ZARA', 254]]

def set_style(name,height,bold=False):
    style = xlwt.XFStyle() # 初始化样式

    font = xlwt.Font() # 为样式创建字体
    font.name = name # 'Times New Roman'
    font.bold = bold
    font.color_index = 4
    font.height = height
    pattern = xlwt.Pattern() # Create the Pattern
    pattern.pattern = xlwt.Pattern.SOLID_PATTERN # May be: NO_PATTERN, SOLID_PATTERN, or 0x00 through 0x12
    pattern.pattern_fore_colour = 5 # May be: 8 through 63. 0 = Black, 1 = White, 2 = Red, 3 = Green, 4 =

    borders = xlwt.Borders()
    borders.left = 1
    borders.right = 1
    borders.top = 1
    borders.bottom = 1
    borders.bottom_colour=0x3A
    style.borders = borders
    style.font = font
    style.pattern = pattern # Add Pattern to Style
    return style

def writeXlwt(result,row0,book,sheelName):
    worksheet = book.add_sheet(sheelName)#添加一个sheet页
    print '*****=',row0
    for i in range(len(result)+1):
        if i ==0:
            for f in range(0,len(row0)):
                worksheet.write(0,f,row0[f],set_style('Arial',220,True))
        else:
            for a in range(len(result[i-1])):
                worksheet.row(i).write(a,result[i-1][a])

if __name__ =='__main__':
    #book = xlwt.Workbook(encoding = 'utf-8')
    oldWb = xlrd.open_workbook('test123.xls',formatting_info=True)
    book = copy(oldWb)
    setattr(book,'encoding','utf-8')
    #book = xlwt.Workbook()
    cf = ConfigParser.ConfigParser()#生成一个实例
    #with codecs.open('config_dayueche.conf', encoding="utf-8" ) as f:
    cf.read("config_dayueche.conf") #读取配置文件
    sheelList = cf.sections()
    for sheel in sheelList:
        row0 = cf.get(sheel,'row0').split(';')
        writeXlwt(a,row0,book,sheel)
    book.save('test1232.xls')#打开一个工作薄

实例代码