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openpyxl是什么

openpyxl是一个Python库，用于读取/写入Excel xlsx / xlsm / xltx / xltm档案，它的诞生是因为缺少可从Python本地读取/写入Office Open XML格式的库，官方档案：

openpyxl安装

使用pip安装openpyxl，建议在不带系统软件包的Python virtualenv中执行此操作：

pip install openpyxl

支持流行的lxml库（如果已安装），这在创建大档案时特别有用，

openpyxl操作指南

1、创建作业簿

from openpyxl import Workbook
wb = Workbook()
ws_00 = wb.active #默认不取名称
ws_00['A1']= 'Python学习与资料挖掘'
ws_01 = wb.create_sheet("new_sheet", 0) # 取一个new_sheet的名称
ws_01['A1']= 23
wb.save('/Users/***/Desktop/document.xlsx')

2、写作业簿

from openpyxl import Workbook
from openpyxl.utils import get_column_letter
wb = Workbook()
dest_filename = '/Users/****/Desktop/empty_book.xlsx'
ws1 = wb.active
ws1.title = "range names"
for row in range(1, 40):
    ws1.append(range(600))
ws2 = wb.create_sheet(title="Pi")
ws2['F5'] = 3.14
ws3 = wb.create_sheet(title="Data")
for row in range(10, 20):
    for col in range(27, 54):
        _ = ws3.cell(column=col, row=row, value=https://www.cnblogs.com/sn5200/p/"{0}".format(get_column_letter(col)))
wb.save(filename = dest_filename)

3、插入图片

from openpyxl import Workbook
from openpyxl.drawing.image import Image

wb = Workbook()
ws = wb.active
ws['A1'] = 'You should see three logos below'
img = Image('/Users/***/work/logo.png')
ws.add_image(img, 'A1')

wb.save('/Users/***/document01.xlsx')

4、洗掉行和列

洗掉列F:H

ws.delete_cols(6, 3)

5、将作业表转换为资料框

df = DataFrame(ws.values)

6、2D区域图

from openpyxl import Workbook
from openpyxl.chart import (
    AreaChart,
    Reference,
    Series,
)
wb = Workbook()
ws = wb.active
rows = [
    ['Number', 'Batch 1', 'Batch 2'],
    [2, 40, 30],
    [3, 40, 25],
    [4, 50, 30],
    [5, 30, 10],
    [6, 25, 5],
    [7, 50, 10],
]
for row in rows:
    ws.append(row)
chart = AreaChart()
chart.title = "Area Chart"
chart.style = 13
chart.x_axis.title = 'Test'
chart.y_axis.title = 'Percentage'
cats = Reference(ws, min_col=1, min_row=1, max_row=7)
data = https://www.cnblogs.com/sn5200/p/Reference(ws, min_col=2, min_row=1, max_col=3, max_row=7)
chart.add_data(data, titles_from_data=https://www.cnblogs.com/sn5200/p/True)
chart.set_categories(cats)
ws.add_chart(chart, "A10")
wb.save("area.xlsx")

6、雷达图

from openpyxl import Workbook
from openpyxl.chart import (
    RadarChart,
    Reference,
)
wb = Workbook()
ws = wb.active
rows = [
    ['Month', "Bulbs", "Seeds", "Flowers", "Trees & shrubs"],
    ['Jan', 0, 2500, 500, 0,],
    ['Feb', 0, 5500, 750, 1500],
    ['Mar', 0, 9000, 1500, 2500],
    ['Apr', 0, 6500, 2000, 4000],
    ['May', 0, 3500, 5500, 3500],
    ['Jun', 0, 0, 7500, 1500],
    ['Jul', 0, 0, 8500, 800],
    ['Aug', 1500, 0, 7000, 550],
    ['Sep', 5000, 0, 3500, 2500],
    ['Oct', 8500, 0, 2500, 6000],
    ['Nov', 3500, 0, 500, 5500],
    ['Dec', 500, 0, 100, 3000 ],
]
for row in rows:
    ws.append(row)
chart = RadarChart()
chart.type = "filled"
labels = Reference(ws, min_col=1, min_row=2, max_row=13)
data = Reference(ws, min_col=2, max_col=5, min_row=1, max_row=13)
chart.add_data(data, titles_from_data=https://www.cnblogs.com/sn5200/p/True)
chart.set_categories(labels)
chart.style = 26
chart.title = "Garden Centre Sales"
chart.y_axis.delete = True
ws.add_chart(chart, "A17")
wb.save("radar.xlsx")

7、使用公式

业务中需要批量处理的操作，我们可以代码化，Python利用Excel的公式功能来处理资料，可以达到事半功倍的效果，

from openpyxl import Workbook
from openpyxl import load_workbook
wb = load_workbook('/Users/***/work/document01.xlsx')
ws1=wb.active
ws1["F2"] = "=SUM(B2:E2)"   # 使用公式
# Save the file
wb.save('/Users/***/Desktop/document01.xlsx')

8、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 Font
wb = Workbook()
ws = wb.active
a1 = 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 = https://www.cnblogs.com/sn5200/p/"abc"
# Save the file
wb.save("/Users/***/Desktop/document01.xlsx")

9、设定字体和大小

# -*- coding: utf-8 -*-
from openpyxl import Workbook
from openpyxl.styles import colors
from openpyxl.styles import Font
wb = Workbook()
ws = wb.active
a1 = ws['A1']
d4 = ws['D4']
a1.value = https://www.cnblogs.com/sn5200/p/"abc"
from openpyxl.styles import Font
from copy import copy
ft1 = Font(name=u'宋体', size=14)
ft2 = copy(ft1)   #复制字体物件
ft2.name = "Tahoma"

10、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,PatternFill
wb = Workbook()
ws = wb.active
highlight = 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("/Users/***/Desktop/document01.xlsx")