093、Python操作Excel生成统计图表
在Excel里做统计表是我们经常会做的一件事情。我们也可以通过编程的方式操作Excel生成统计图表。
下面是官方的一个很有参考价值的案例:
from openpyxl import Workbook
from openpyxl.chart import BarChart, Reference
from copy import deepcopy
wb = Workbook(write_only=True)
ws = wb.create_sheet()
rows = [
('Number', 'Batch 1', 'Batch 2'),
(2, 10, 30),
(3, 40, 60),
(4, 50, 70),
(5, 20, 10),
(6, 10, 40),
(7, 50, 30),
]
for row in rows:
ws.append(row)
chart1 = BarChart()
chart1.type = "col"
chart1.style = 10
chart1.title = "Bar Chart"
chart1.y_axis.title = 'Test number'
chart1.x_axis.title = 'Sample length (mm)'
data = Reference(ws, min_col=2, min_row=1, max_row=7, max_col=3)
cats = Reference(ws, min_col=1, min_row=2, max_row=7)
chart1.add_data(data, titles_from_data=True)
chart1.set_categories(cats)
chart1.shape = 4
ws.add_chart(chart1, "A10")
chart2 = deepcopy(chart1)
chart2.style = 11
chart2.type = "bar"
chart2.title = "Horizontal Bar Chart"
ws.add_chart(chart2, "G10")
chart3 = deepcopy(chart1)
chart3.type = "col"
chart3.style = 12
chart3.grouping = "stacked"
chart3.overlap = 100
chart3.title = 'Stacked Chart'
ws.add_chart(chart3, "A27")
chart4 = deepcopy(chart1)
chart4.type = "bar"
chart4.style = 13
chart4.grouping = "percentStacked"
chart4.overlap = 100
chart4.title = 'Percent Stacked Chart'
ws.add_chart(chart4, "G27")
wb.save('Resources/Excel生成图表.xlsx')
运行代码,最终生成了4种不一样的图表,如图:
原文地址:https://blog.csdn.net/mr_five55/article/details/140725264
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