python-- openpyxl详解
详解
安装
pip install openpyxl
打开文件
创建
from openpyxl import Workbook # 实例化wb = Workbook()# 激活 worksheetws = wb.active
打开已有
from openpyxl import load_workbookwb2 = load_workbook('文件名称.xlsx')
储存数据
# 方式一:数据可以直接分配到单元格中(可以输入公式)
ws['A1'] = 42
# 方式二:可以附加行,从第一列开始附加(从最下方空白处,最左开始)(可以输入多行)
ws.append([1, 2, 3])
# 方式三:Python 类型会被自动转换
ws['A3'] = datetime.datetime.now().strftime("%Y-%m-%d")
创建表(sheet)
# 方式一:插入到最后(default)
>>> ws1 = wb.create_sheet("Mysheet")
# 方式二:插入到最开始的位置
>>> ws2 = wb.create_sheet("Mysheet", 0)
选择表(sheet)
# sheet 名称可以作为 key 进行索引
>>> ws3 = wb["New Title"]
>>> ws4 = wb.get_sheet_by_name("New Title")
>>> ws is ws3 is ws4
True
查看表名(sheet)
# 显示所有表名
>>> print(wb.sheetnames)
['Sheet2', 'New Title', 'Sheet1']
# 遍历所有表
>>> for sheet in wb:
... print(sheet.title)
访问单元格(call)
单一单元格访问
# 方法一>>> c = ws['A4']# 方法二:row 行;column 列>>> d = ws.cell(row=4, column=2, value=10)# 方法三:只要访问就创建>>> for i in range(1,101):... for j in range(1,101):... ws.cell(row=i, column=j)
多单元格访问
# 通过切片 >>> cell_range = ws['A1':'C2'] # 通过行(列) >>> colC = ws['C'] >>> col_range = ws['C:D'] >>> row10 = ws[10] >>> row_range = ws[5:10] # 通过指定范围(行 → 行) >>> for row in ws.iter_rows(min_row=1, max_col=3, max_row=2): ... for cell in row: ... print(cell) <Cell Sheet1.A1> <Cell Sheet1.B1> <Cell Sheet1.C1> <Cell Sheet1.A2> <Cell Sheet1.B2> <Cell Sheet1.C2> # 通过指定范围(列 → 列) >>> for row in ws.iter_rows(min_row=1, max_col=3, max_row=2): ... for cell in row: ... print(cell) <Cell Sheet1.A1> <Cell Sheet1.B1> <Cell Sheet1.C1> <Cell Sheet1.A2> <Cell Sheet1.B2> <Cell Sheet1.C2> # 遍历所有 方法一 >>> ws = wb.active >>> ws['C9'] = 'hello world' >>> tuple(ws.rows) ((<Cell Sheet.A1>, <Cell Sheet.B1>, <Cell Sheet.C1>), (<Cell Sheet.A2>, <Cell Sheet.B2>, <Cell Sheet.C2>), ... (<Cell Sheet.A8>, <Cell Sheet.B8>, <Cell Sheet.C8>), (<Cell Sheet.A9>, <Cell Sheet.B9>, <Cell Sheet.C9>)) # 遍历所有 方法二 >>> tuple(ws.columns) ((<Cell Sheet.A1>, <Cell Sheet.A2>, <Cell Sheet.A3>, ... <Cell Sheet.B7>, <Cell Sheet.B8>, <Cell Sheet.B9>), (<Cell Sheet.C1>, ... <Cell Sheet.C8>, <Cell Sheet.C9>))
保存数据
>>> wb.save('文件名称.xlsx')
改变 sheet 标签按钮颜色
ws.sheet_properties.tabColor = "1072BA"
获取最大行,最大列
# 获得最大列和最大行
print(sheet.max_row)
print(sheet.max_column)
获取每一行,每一列
sheet.rows为生成器, 里面是每一行的数据,每一行又由一个tuple包裹。
sheet.columns类似,不过里面是每个tuple是每一列的单元格。
# 因为按行,所以返回A1, B1, C1这样的顺序for row in sheet.rows:for cell in row:print(cell.value)# A1, A2, A3这样的顺序for column in sheet.columns:for cell in column:print(cell.value)
根据数字得到字母,根据字母得到数字
from openpyxl.utils import get_column_letter, column_index_from_string# 根据列的数字返回字母
print(get_column_letter(2)) # B
# 根据字母返回列的数字
print(column_index_from_string('D')) # 4
删除工作表
# 方式一
wb.remove(sheet)
# 方式二
del wb[sheet]
矩阵置换(行 → 列)
rows = [['Number', 'data1', 'data2'],[2, 40, 30],[3, 40, 25],[4, 50, 30],[5, 30, 10],[6, 25, 5],[7, 50, 10]]list(zip(*rows))# out
[('Number', 2, 3, 4, 5, 6, 7),('data1', 40, 40, 50, 30, 25, 50),('data2', 30, 25, 30, 10, 5, 10)]# 注意 方法会舍弃缺少数据的列(行)
rows = [['Number', 'data1', 'data2'],[2, 40 ], # 这里少一个数据[3, 40, 25],[4, 50, 30],[5, 30, 10],[6, 25, 5],[7, 50, 10],
]
# out
[('Number', 2, 3, 4, 5, 6, 7), ('data1', 40, 40, 50, 30, 25, 50)]
单元格样式
from openpyxl.styles import Font, colors, Alignment# 下面的代码指定了等线24号,加粗斜体,字体颜色红色。直接使用cell的font属性,将Font对象赋值给它。
bold_itatic_24_font = Font(name='等线', size=24, italic=True, color=colors.RED, bold=True)sheet['A1'].font = bold_itatic_24_font
对齐方式
也是直接使用cell的属性aligment,这里指定垂直居中和水平居中。除了center,还可以使用right、left等等参数。
# 设置B1中的数据垂直居中和水平居中
sheet['B1'].alignment = Alignment(horizontal='center', vertical='center')
设置行高和列宽
# 第2行行高
sheet.row_dimensions[2].height = 40
# C列列宽
sheet.column_dimensions['C'].width = 30
合并和拆分单元格
所谓合并单元格,即以合并区域的左上角的那个单元格为基准,覆盖其他单元格使之称为一个大的单元格。
相反,拆分单元格后将这个大单元格的值返回到原来的左上角位置。
# 合并单元格, 往左上角写入数据即可sheet.merge_cells('B1:G1') # 合并一行中的几个单元格sheet.merge_cells('A1:C3') # 合并一个矩形区域中的单元格
合并后只可以往左上角写入数据,也就是区间中:左边的坐标。
如果这些要合并的单元格都有数据,只会保留左上角的数据,其他则丢弃。换句话说若合并前不是在左上角写入数据,合并后单元格中不会有数据。
以下是拆分单元格的代码。拆分后,值回到A1位置。
sheet.unmerge_cells('A1:C3')
小案例
import datetime
from random import choice
from time import time
from openpyxl import load_workbook
from openpyxl.utils import get_column_letter# 设置文件 mingc
addr = "openpyxl.xlsx"
# 打开文件
wb = load_workbook(addr)
# 创建一张新表
ws = wb.create_sheet()
# 第一行输入
ws.append(['TIME', 'TITLE', 'A-Z'])# 输入内容(500行数据)
for i in range(500):TIME = datetime.datetime.now().strftime("%H:%M:%S")TITLE = str(time())A_Z = get_column_letter(choice(range(1, 50)))ws.append([TIME, TITLE, A_Z])# 获取最大行
row_max = ws.max_row
# 获取最大列
con_max = ws.max_column
# 把上面写入内容打印在控制台
for j in ws.rows: # we.rows 获取每一行数据for n in j:print(n.value, end="\t") # n.value 获取单元格的值print()
# 保存,save(必须要写文件名(绝对地址)默认 py 同级目录下,只支持 xlsx 格式)
wb.save(addr)
案例
1、 安装
pip install openpyxl想要在文件中插入图片文件,需要安装pillow,安装文件:PIL-fork-1.1.7.win-amd64-py2.7.exe· font(字体类):字号、字体颜色、下划线等· fill(填充类):颜色等· border(边框类):设置单元格边框· alignment(位置类):对齐方式· number_format(格式类):数据格式· protection(保护类):写保护
2、 创建一个excel 文件,并写入不同类的内容
# -*- coding: utf-8 -*-from openpyxl import Workbook
wb = Workbook() #创建文件对象# grab the active worksheet
ws = wb.active #获取第一个sheet# Data can be assigned directly to cells
ws['A1'] = 42 #写入数字
ws['B1'] = "你好"+"automation test" #写入中文(unicode中文也可)# Rows can also be appended
ws.append([1, 2, 3]) #写入多个单元格# Python types will automatically be converted
import datetime
import time
ws['A2'] = datetime.datetime.now() #写入一个当前时间
#写入一个自定义的时间格式
ws['A3'] =time.strftime("%Y年%m月%d日 %H时%M分%S秒",time.localtime())# Save the file
wb.save("e:\\sample.xlsx")
3、 创建sheet
# -*- coding: utf-8 -*-
from openpyxl import Workbook
wb = Workbook()
ws1 = wb.create_sheet("Mysheet") #创建一个sheetws1["A1"]=123.11
ws1["B2"]="你好"
d = ws1.cell(row=4, column=2, value=10)print ws1["A1"].value
print ws1["B2"].value
print d.value# Save the file
wb.save("e:\\sample.xlsx")
4、 操作单元格
# -*- coding: utf-8 -*-
from openpyxl import Workbook
wb = Workbook()
ws1 = wb.create_sheet("Mysheet") #创建一个sheetws1["A1"]=123.11
ws1["B2"]="你好"
d = ws1.cell(row=4, column=2, value=10)print ws1["A1"].value
print ws1["B2"].value
print d.value# Save the file
wb.save("e:\\sample.xlsx")
操作批量的单元格
无论ws.rows还是ws.iter_rows都是一个对象
除上述两个对象外 单行,单列都是一个元祖,多行多列是二维元祖
# -*- coding: utf-8 -*-
from openpyxl import Workbook
wb = Workbook()ws1 = wb.create_sheet("Mysheet") #创建一个sheetws1["A1"]=1
ws1["A2"]=2
ws1["A3"]=3ws1["B1"]=4
ws1["B2"]=5
ws1["B3"]=6ws1["C1"]=7
ws1["C2"]=8
ws1["C3"]=9#操作单列
print ws1["A"]
for cell in ws1["A"]:print cell.value#操作多列,获取每一个值
print ws1["A:C"]
for column in ws1["A:C"]:for cell in column:print cell.value#操作多行
row_range = ws1[1:3]
print row_range
for row in row_range:for cell in row:print cell.valueprint "*"*50
for row in ws1.iter_rows(min_row=1, min_col=1, max_col=3, max_row=3):for cell in row:print cell.value#获取所有行
print ws1.rows
for row in ws1.rows:print rowprint "*"*50
#获取所有列
print ws1.columns
for col in ws1.columns:print colwb.save("e:\\sample.xlsx")
使用百分数
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl import load_workbook
wb = load_workbook('e:\\sample.xlsx')
wb.guess_types = True # 如果等于False 结果会打印百分数
ws=wb.active
ws["D1"]="12%"
print ws["D1"].value# Save the file
wb.save("e:\\sample.xlsx")
#结果会打印小数
获取所有的行对象(常用于按行读excel)
from openpyxl import load_workbookwb = load_workbook('1.xlsx')
ws = wb.active
for row in ws.iter_rows():print(tuple(map(lambda x: x.value, row)))# for i in row:# print(i.value)
获取所有的列对象(常用于按列读excel)
from openpyxl import load_workbookwb = load_workbook('1.xlsx')
ws = wb.active
for row in ws.iter_cols():print(tuple(map(lambda x: x.value, row)))
操作已经存在的文件(修改内容)
from openpyxl import load_workbookwb = load_workbook('1.xlsx')
wb.guess_types = True # 猜测格式类型
ws = wb.active
print(ws['C2'])
ws["D1"] = "12%" # 直接修改wb.save("1.xlsx")
# 注意如果原文件有一些图片或者图标,则保存的时候可能会导致图片丢失
单元格类型
from openpyxl import load_workbook
import datetimewb = load_workbook('1.xlsx')ws = wb.active
wb.guess_types = Truews["A1"] = datetime.datetime(2010, 7, 21)
print(ws["A1"].number_format)ws["A2"] = "12%"
print(ws["A2"].number_format)ws["A3"] = 1.1
print(ws["A4"].number_format)ws["A4"] = "中国"
print(ws["A5"].number_format)
# Save the file
wb.save("1.xlsx")
#如果是常规,显示general,如果是数字,显示'0.00_ ',如果是百分数显示0%
# 数字需要在Excel中设置数字类型,直接写入的数字是常规类型
使用公式
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl import load_workbookwb = load_workbook('e:\\sample.xlsx')
ws1=wb.activews1["A1"]=1
ws1["A2"]=2
ws1["A3"]=3ws1["A4"] = "=SUM(1, 1)"
ws1["A5"] = "=SUM(A1:A3)"print(ws1["A4"].value) #打印的是公式内容,不是公式计算后的值,程序无法取到计算后的值
print(ws1["A5"].value) #打印的是公式内容,不是公式计算后的值,程序无法取到计算后的值# Save the file
wb.save("e:\\sample.xlsx")
合并单元格
需要先安装Pilow
# -*- coding: utf-8 -*-
from openpyxl import load_workbook
from openpyxl.drawing.image import Imagewb = load_workbook('e:\\sample.xlsx')
ws1=wb.activeimg = Image('e:\\1.png')
ws1.add_image(img, 'A1')# Save the file
wb.save("e:\\sample.xlsx")
隐藏单元格
# -*- coding: utf-8 -*-
from openpyxl import load_workbook
from openpyxl.drawing.image import Imagewb = load_workbook('e:\\sample.xlsx')
ws1=wb.activews1.column_dimensions.group('A', 'D', hidden=True) #隐藏a到d列范围内的列
#ws1.row_dimensions 无group方法
# Save the file
wb.save("e:\\sample.xlsx")
设定一个表格区域,并设定表格的格式
# -*- coding: utf-8 -*-
from openpyxl import load_workbook
from openpyxl import Workbook
from openpyxl.worksheet.table import Table, TableStyleInfowb = Workbook()
ws = wb.activedata = [['Apples', 10000, 5000, 8000, 6000],['Pears', 2000, 3000, 4000, 5000],['Bananas', 6000, 6000, 6500, 6000],['Oranges', 500, 300, 200, 700],
]# add column headings. NB. these must be strings
ws.append(["Fruit", "2011", "2012", "2013", "2014"])
for row in data:ws.append(row)tab = Table(displayName="Table1", ref="A1:E5")# Add a default style with striped rows and banded columns
style = TableStyleInfo(name="TableStyleMedium9", showFirstColumn=True,showLastColumn=True, showRowStripes=True, showColumnStripes=True)
#第一列是否和样式第一行颜色一行,第二列是否···
#是否隔行换色,是否隔列换色
tab.tableStyleInfo = style
ws.add_table(tab)# Save the file
wb.save("e:\\sample.xlsx")
给单元格设定字体颜色
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import colors
from openpyxl.styles import Fontwb = Workbook()
ws = wb.activea1 = ws['A1']
d4 = ws['D4']
ft = Font(color=colors.RED) # color="FFBB00",颜色编码也可以设定颜色
a1.font = ft
d4.font = ft# If you want to change the color of a Font, you need to reassign it::
#italic 倾斜字体
a1.font = Font(color=colors.RED, italic=True) # the change only affects A1
a1.value = "abc"# Save the file
wb.save("e:\\sample.xlsx")
设定字体和大小
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import colors
from openpyxl.styles import Fontwb = Workbook()
ws = wb.activea1 = ws['A1']
d4 = ws['D4']
a1.value = "abc"from openpyxl.styles import Font
from copy import copyft1 = Font(name=u'宋体', size=14)
ft2 = copy(ft1) #复制字体对象
ft2.name = "Tahoma"print ft1.name
print ft2.name
print ft2.size # copied from thea1.font = ft1
# Save the file
wb.save("e:\\sample.xlsx")
设定行和列的字体
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import Font
wb = Workbook()
ws = wb.activecol = ws.column_dimensions['A']
col.font = Font(bold=True) #将A列设定为粗体
row = ws.row_dimensions[1]
row.font = Font(underline="single") #将第一行设定为下划线格式# Save the file
wb.save("e:\\sample.xlsx")
设定单元格的边框、字体、颜色、大小和边框背景色
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import Font
from openpyxl.styles import NamedStyle, Font, Border, Side,PatternFillwb = Workbook()
ws = wb.activehighlight = NamedStyle(name="highlight")
highlight.font = Font(bold=True, size=20,color= "ff0100")
highlight.fill = PatternFill("solid", fgColor="DDDDDD")#背景填充
bd = Side(style='thick', color="000000")
highlight.border = Border(left=bd, top=bd, right=bd, bottom=bd)print dir(ws["A1"])
ws["A1"].style =highlight# Save the file
wb.save("e:\\sample.xlsx")
常用的样式和属性设置
# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import Font
from openpyxl.styles import NamedStyle, Font, Border, Side,PatternFill
from openpyxl.styles import PatternFill, Border, Side, Alignment, Protection, Fontwb = Workbook()
ws = wb.activeft = Font(name=u'微软雅黑',size=11,bold=False,italic=False,vertAlign=None,underline='none',strike=False,color='FF000000')fill = PatternFill(fill_type="solid",start_color='FFEEFFFF',end_color='FF001100')#边框可以选择的值为:'hair', 'medium', 'dashDot', 'dotted', 'mediumDashDot', 'dashed', 'mediumDashed', 'mediumDashDotDot', 'dashDotDot', 'slantDashDot', 'double', 'thick', 'thin']
#diagonal 表示对角线
bd = Border(left=Side(border_style="thin",color='FF001000'),right=Side(border_style="thin",color='FF110000'),top=Side(border_style="thin",color='FF110000'),bottom=Side(border_style="thin",color='FF110000'),diagonal=Side(border_style=None,color='FF000000'),diagonal_direction=0,outline=Side(border_style=None,color='FF000000'),vertical=Side(border_style=None,color='FF000000'),horizontal=Side(border_style=None,color='FF110000'))alignment=Alignment(horizontal='general',vertical='bottom',text_rotation=0,wrap_text=False,shrink_to_fit=False,indent=0)number_format = 'General'protection = Protection(locked=True,hidden=False)ws["B5"].font = ft
ws["B5"].fill =fill
ws["B5"].border = bd
ws["B5"].alignment = alignment
ws["B5"].number_format = number_formatws["B5"].value ="zeke"# Save the file
wb.save("e:\\sample.xlsx")
插入图片
from openpyxl import load_workbook
from openpyxl.drawing.image import Imagewb = load_workbook('1.xlsx')
ws1 = wb.activeimg = Image(r'C:\Users\EDY\Desktop\1654138574(1).jpg')
img.width, img.height = 50, 50ws1.add_image(img, 'F1')
# 第2行行高
ws1.row_dimensions[2].height = 40
# C列列宽
ws1.column_dimensions['C'].width = 30wb.save("1.xlsx")
样式详解
字体样式
from openpyxl import Workbook
from openpyxl.styles import Fontwb = Workbook()
ws = wb.active# 默认字体样式
ws["A1"] = "A1"# 自定义字体样式
ws["B2"] = "B2"
font = Font(name="微软雅黑", # 字体size=15, # 字体大小color="0000FF", # 字体颜色,用16进制rgb表示bold=True, # 是否加粗,True/Falseitalic=True, # 是否斜体,True/Falsestrike=None, # 是否使用删除线,True/Falseunderline=None, # 下划线, 可选'singleAccounting', 'double', 'single', 'doubleAccounting'
)
ws["B2"].font = fontwb.save("./test.xlsx")
行列宽高
from openpyxl import Workbook
wb = Workbook()
ws = wb.activews.row_dimensions[2].height = 30 # 设置第2行高度为30
ws.column_dimensions["B"].width = 30 # 设置B列宽度为30wb.save("./test.xlsx")
对齐方式
from openpyxl import Workbook
from openpyxl.styles import Border, Sidewb = Workbook()
ws = wb.activews["B2"] = "B2"side = Side(style="medium", # 边框样式,可选dashDot、dashDotDot、dashed、dotted、double、hair、medium、mediumDashDot、mediumDashDotDot、mediumDashed、slantDashDot、thick、thincolor="ff66dd", # 边框颜色,16进制rgb表示
)ws["B2"].border = Border(top=side, # 上bottom=side, # 下left=side, # 左right=side, # 右diagonal=side # 对角线
)wb.save("./test.xlsx")
边框
from openpyxl import Workbook
from openpyxl.styles import Border, Sidewb = Workbook()
ws = wb.activews["B2"] = "B2"side = Side(style="medium", # 边框样式,可选dashDot、dashDotDot、dashed、dotted、double、hair、medium、mediumDashDot、mediumDashDotDot、mediumDashed、slantDashDot、thick、thincolor="ff66dd", # 边框颜色,16进制rgb表示
)ws["B2"].border = Border(top=side, # 上bottom=side, # 下left=side, # 左right=side, # 右diagonal=side # 对角线
)wb.save("./test.xlsx")
填充和渐变
from openpyxl import Workbook
from openpyxl.styles import PatternFill, GradientFillwb = Workbook()
ws = wb.activews["B2"] = "B2"fill = PatternFill(patternType="solid", # 填充类型,可选none、solid、darkGray、mediumGray、lightGray、lightDown、lightGray、lightGridfgColor="F562a4", # 前景色,16进制rgbbgColor="0000ff", # 背景色,16进制rgb# fill_type=None, # 填充类型# start_color=None, # 前景色,16进制rgb# end_color=None # 背景色,16进制rgb
)
ws["B2"].fill = fill
ws["B3"].fill = GradientFill(degree=60, # 角度stop=("000000", "FFFFFF") # 渐变颜色,16进制rgb
)wb.save("./test.xlsx")
案例
from openpyxl import Workbook
from openpyxl.styles import Border, Side, colors, borders, Font, Alignmentclass ExportExcel(object):'''导出excel'''def __init__(self):self._wb = Workbook()self._border = Border( # 边框top=Side(style=borders.BORDER_THIN, color=colors.BLACK),bottom=Side(style=borders.BORDER_THIN, color=colors.BLACK),left=Side(style=borders.BORDER_THIN, color=colors.BLACK),right=Side(style=borders.BORDER_THIN, color=colors.BLACK))self._font = Font(bold=True, size=10) # 字体self._alignment = Alignment(horizontal='center', vertical='center') # 居中def jibenxinxi(self):'''基本信息'''sheet = self._wb.create_sheet('基本信息', 0)for index, row in enumerate(sheet['A1:L16']):sheet.row_dimensions[index + 1].height = 35 # 行高for info in row:info.border = self._borderinfo.alignment = self._alignmentinfo.font = self._fontinfo.alignment = self._alignmentsheet.merge_cells('A1:L1')sheet['A1'] = '教员基本情况'sheet['A2'] = '姓名'sheet.merge_cells('A2:C2')sheet['D2'] = 'xx'sheet.merge_cells('D2:F2')sheet['G2'] = '性别'sheet['H2'] = 'xx'sheet['I2'] = '民族'sheet['J2'] = 'xx'sheet['K2'] = '籍贯'sheet['L2'] = 'xx'# ----------------------------------------sheet['A3'] = '出生年月'sheet.merge_cells('A3:C3')sheet['D3'] = 'xx'sheet.merge_cells('D3:F3')sheet['G3'] = '工作年月'sheet['H3'] = 'xx'sheet['I3'] = '任教年月'sheet['J3'] = 'xx'sheet['K3'] = '出生地'sheet['L3'] = 'xx'# --------------------------------------sheet['A4'] = '人员类型'sheet.merge_cells('A4:C4')sheet['D4'] = 'xx'sheet.merge_cells('D4:F4')sheet['G4'] = '职务'sheet['H4'] = 'xx'sheet['I4'] = '政治面貌'sheet['J4'] = 'xx'sheet['K4'] = '婚姻状况'sheet['L4'] = 'xx'self._wb.save(r'C:\Users\EDY\Desktop\1.xlsx')# r = ExportExcel()
# r.jibenxinxi()
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