用python處理excel
㈠ 請問如何用python對excel的數據進行運算處理
引入Excel表格操作模塊
獲取數據後就可以處理數據
㈡ 如何用python處理excel數據
想要更好的處理這項數據,那麼你必須得用一些統計的表格來進行歸納。
㈢ python批量處理excel數據
是不是new_row1有問題啊,寫到一個新的sheet看看。你這一邊讀這個表一邊修改很容易行號錯誤的
㈣ 如何用python讀取excel文件
可以通過pip包管理器來安裝Python包,但是pygame包包含C語言代碼,需要進行編譯。
㈤ python 如何讀取 excel 指定單元格內容
1、首先打開電腦上編寫python的軟體。
㈥ 怎麼用python讀取excel表格的數據
一、讀excel表
讀excel要用到xlrd模塊,官網安裝(http://pypi.python.org/pypi/xlrd)。然後就可以跟著裡面的例子稍微試一下就知道怎麼用了。大概的流程是這樣的:
1、導入模塊
復制代碼代碼如下:
import xlrd
2、打開Excel文件讀取數據
復制代碼代碼如下:
data = xlrd.open_workbook('excel.xls')
3、獲取一個工作表
① table = data.sheets()[0] #通過索引順序獲取
② table = data.sheet_by_index(0) #通過索引順序獲取
③ table = data.sheet_by_name(u'Sheet1')#通過名稱獲取
4、獲取整行和整列的值(返回數組)
復制代碼代碼如下:
table.row_values(i)
table.col_values(i)
5、獲取行數和列數
復制代碼代碼如下:
table.nrows
table.ncols
6、獲取單元格
復制代碼代碼如下:
table.cell(0,0).value
table.cell(2,3).value
就我自己使用的時候覺得還是獲取cell最有用,這就相當於是給了你一個二維數組,餘下你就可以想怎麼干就怎麼幹了。得益於這個十分好用的庫代碼很是簡潔。但是還是有若干坑的存在導致話了一定時間探索。現在列出來供後人參考吧:
1、首先就是我的統計是根據姓名統計各個表中的信息的,但是調試發現不同的表中各個名字貌似不能夠匹配,開始懷疑過編碼問題,不過後來發現是因為空格。因為在excel中輸入的時候很可能會順手在一些名字後面加上幾個空格或是tab鍵,這樣看起來沒什麼差別,但是程序處理的時候這就是兩個完全不同的串了。我的解決方法是給每個獲取的字元串都加上strip()處理一下。效果良好
2、還是字元串的匹配,在判斷某個單元格中的字元串(中文)是否等於我所給出的的時候發現無法匹配,並且各種unicode也不太奏效,網路過一些解決方案,但是都比較復雜或是沒用。最後我採用了一個比較變通的方式:直接從excel中獲取我想要的值再進行比較,效果是不錯就是通用行不太好,個呢不能問題還沒解決。
二、寫excel表
寫excel表要用到xlwt模塊,官網下載(http://pypi.python.org/pypi/xlwt)。大致使用流程如下:
1、導入模塊
復制代碼代碼如下:
import xlwt
2、創建workbook(其實就是excel,後來保存一下就行)
復制代碼代碼如下:
workbook = xlwt.Workbook(encoding = 'ascii')
3、創建表
復制代碼代碼如下:
worksheet = workbook.add_sheet('My Worksheet')
4、往單元格內寫入內容
復制代碼代碼如下:
worksheet.write(0, 0, label = 'Row 0, Column 0 Value')
5、保存
復制代碼代碼如下:
workbook.save('Excel_Workbook.xls')
由於我的需求比較簡單,所以這上面沒遇到什麼問題,唯一的就是建議還是用ascii編碼,不然可能會有一些詭異的現象。
當然xlwt功能遠遠不止這些,他甚至可以設置各種樣式之類的。附上一點例子
復制代碼代碼如下:
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/
㈦ Python可以處理excel表格嗎
可以,python有xlrd、xlwt、xlwings、xlutils、pandas等庫可用於處理excel表格,pip install這些庫就可以使用。
㈧ 如何用python3處理好多個excel數據
# 需安裝 xlrd-0.9.2 和 xlutils-1.7.1 這兩個模塊
from xlwt import Workbook, Formula
import xlrd
book = Workbook()
sheet1 = book.add_sheet('Sheet 1')
sheet1.write(0,0,10)
sheet1.write(0,1,20)
sheet1.write(1,0,Formula('A1/B1'))
sheet2 = book.add_sheet('Sheet 2')
row = sheet2.row(0)
row.write(0,Formula('sum(1,2,3)'))
row.write(1,Formula('SuM(1;2;3)'))
row.write(2,Formula("$A$1+$B$1*SUM('ShEEt 1'!$A$1:$b$2)"))
book.save('formula.xls')
book = xlrd.open_workbook('formula.xls')
sheet = book.sheets()[0]
nrows=sheet.nrows
ncols=sheet.ncols
for i in range(nrows):
for j in range(ncols):
print (sheet.cell(i,j).value)
㈨ 如何用python讀取excel文件
1.首先說明我是使用的python3.5,我的office版本是2010,首先打開dos命令窗,安裝必須的兩個庫,命令是:
pip3 install xlrd
Pip3 install xlwt
2.准備好excel,例如我的一個工作文件,我放在D盤/網路經驗/11.xlsx,只有一個頁簽A,內容是一些銷售數據
3.打開pycharm,新建一個excel.py的文件,首先導入支持庫
import xlrdimport xlwt
4.針對剛入門的新手,先介紹三個知識,第一個:獲取excel的sheet名稱,第二:獲取excel行數與列數,第三:獲取第幾行第幾列的具體值,這是最常用的三個知識點
5.貼出代碼,具體分析:
(1)要操作excel,首先得打開excel,使用open_workbook(‘路徑’)
(2)要獲取行與列,使用nrows(行),ncols(列)
(3)獲取具體的值,使用cell(row,col).value
workbook=xlrd.open_workbook(r'E:11.xlsx')print (workbook.sheet_names()) sheet2=workbook.sheet_by_name('A') nrows=sheet2.nrows ncols=sheet2.ncols print(nrows,ncols) cell_A=sheet2.cell(1,1).value print(cell_A)
6.要在excel里寫入值,就要使用write屬性,重點說明寫入是用到xlwt這個支援庫,思路是先新建excel,然後新建頁簽B,然後將一組數據寫入到B,最後保存為excel.xls,這里建議保存為2003的格式,大部分電腦都能打開,特別注意保存的excel的路徑是在python工作文件的目錄下面,貼出代碼:
stus = [['年', '月'], ['2018', '10'], ['2017', '9'], ['2016', '8']]Excel = xlwt.Workbook() # 新建excelsheet = Excel.add_sheet('B') #新建頁簽Brow = 0for stu in stus: col = 0 for s in stu: sheet.write(row, col, s) #開始寫入 col = col + 1 row = row + 1Excel.save('Excel.xls') #保存
關於如何用python讀取excel文件,環球青藤小編就和大家分享到這里了,學習是永無止境的,學習一項技能更是受益終身,所以,只要肯努力學,什麼時候開始都不晚。如果您還想繼續了解關於python編程的學習方法及素材等內容,可以點擊本站其他文章學習。
㈩ 如何用python操作excel
指定選取三列然後挑選出同時滿足>=1或者同時<=-1的 將其所有數據存入新的csv表格中
程序如下:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date : 2014-04-10 21:47:56
# @Function: 指定選取三列然後挑選出同時滿足>=1或者同時<=-1的 將其所有數據存入新的csv表格中
# @Author : BeginMan
import os
import string
import xlrd
import xlwt
def get_data():
"""獲取excel數據源"""
file = r'C:\Users\Administrator\Desktop\pytool\xlrd\initial_log_data.xls' # 改成自己的路徑
filepath = raw_input(u'請將xls文件路徑粘貼進去,如果程序里已經指定了文件則按Enter鍵繼續:')
is_valid = False # 驗證文件
try:
filepath = [file, filepath][filepath != '']
print filepath
# 判斷給出的路徑是不是xls格式
if os.path.isfile(filepath):
filename = os.path.basename(filepath)
if filename.split('.')[1] == 'xls':
is_valid = True
data = None
if is_valid:
data = xlrd.open_workbook(filepath)
except Exception, e:
print u'你操作錯誤:%s' %e
return None
return data
def handle_data():
"""處理數據"""
data = get_data()
if data:
col_format = ['B', 'C', 'D'] # 指定的列
inp = raw_input(u'請選擇指定的三列,用逗號分隔,默認的是B,C,D(英文逗號,不區分大小寫),如果選擇默認則按Enter鍵繼續:\n')
try:
inp = inp.split(',')
col_format = [col_format,inp][len([i for i in inp if i in string.letters]) == 3]
col_format = [i.upper() for i in col_format] # 轉換成大寫
table = data.sheet_by_index(0) # 選取第一個工作區
nrows = table.nrows # 行數
ncols = table.ncols # 列數
str_upcase = [i for i in string.uppercase] # 所有大寫字母
i_upcase = range(len(str_upcase)) # 對應的數字
ncols_dir = dict(zip(str_upcase,i_upcase)) # 格式成字典
col_index = [ncols_dir.get(i) for i in col_format] # 獲取指定列所對應的索引
# 選取的三列是否同時滿足 >=1或者同時<=-1
print u'正在檢索中……'
count = 0
result = []
for i in xrange(nrows):
cell_0 = table.cell(i,col_index[0]).value
cell_1 = table.cell(i,col_index[1]).value
cell_2 = table.cell(i,col_index[2]).value
if (cell_0>=1 and cell_1>=1 and cell_2>=1) or (cell_0<=-1 and cell_1<=-1 and cell_2<=-1):
result.append(table.row_values(i)) # 將符合要求的一行添加進去
count += 1
print u'該文件中共%s行,%s列,其中滿足條件的共有%s條數據' %(nrows, ncols, count)
print u'正在寫入數據……'
col_name = col_format[0]+col_format[1]+col_format[2]
if write_data(result, col_name):
print u'寫入成功!'
except Exception, e:
print u'你操作錯誤:%s' %e
return None
else:
print u'操作失敗'
return None
def write_data(data, name):
"""寫入數據,data為符合條件的數據列表,name表示指定的哪三個列,以此命名"""
file = xlwt.Workbook()
table = file.add_sheet(name,cell_overwrite_ok=True)
l = 0 # 表示行
for line in data:
c = 0 # 表示一行下的列數
for col in line:
table.write(l,c,line[c])
c += 1
l += 1
defatul_f = r'C:\Users\Administrator\Desktop\pytool\xlrd' # 默認路徑
f = raw_input(u'請選擇保存文件的路徑:按回車跳過:')
f_name = r'\%s.xls' % name
filepath = [defatul_f+f_name, f+f_name][f != '']
file.save(filepath)
return True
def main():
handle_data()
if __name__ == '__main__':
main()