python openpyxl包excel 绘制线性图表

https://openpyxl.readthedocs.io/en/stable/charts/line.html

说明：来自英文手册未翻译

Line Charts

Line charts allow data to be plotted against a fixed axis. They are similar to scatter charts, the main difference is that with line charts each data series is plotted against the same values. Different kinds of axes can be used for the secondary axes.

Similar to bar charts there are three kinds of line charts: standard, stacked and percentStacked.

该部分代码如下（直到图片位置结束）：

from datetime import date

from openpyxl import Workbook
from openpyxl.chart import (
LineChart,
Reference,
)
from openpyxl.chart.axis import DateAxis

wb = Workbook()
ws = wb.active

rows = [
[‘Date’, ‘Batch 1’, ‘Batch 2’, ‘Batch 3’],
[date(2015,9, 1), 40, 30, 25],
[date(2015,9, 2), 40, 25, 30],
[date(2015,9, 3), 50, 30, 45],
[date(2015,9, 4), 30, 25, 40],
[date(2015,9, 5), 25, 35, 30],
[date(2015,9, 6), 20, 40, 35],
]

for row in rows:
ws.append(row)

c1 = LineChart()
c1.title = “Line Chart”
c1.style = 13
c1.y_axis.title = ‘Size’
c1.x_axis.title = ‘Test Number’

data = Reference(ws, min_col=2, min_row=1, max_col=4, max_row=7)
c1.add_data(data, titles_from_data=True)

# Style the lines
s1 = c1.series[0]
s1.marker.symbol = “triangle”
s1.marker.graphicalProperties.solidFill = “FF0000” # Marker filling
s1.marker.graphicalProperties.line.solidFill = “FF0000” # Marker outline

s1.graphicalProperties.line.noFill = True

s2 = c1.series[1]
s2.graphicalProperties.line.solidFill = “00AAAA”
s2.graphicalProperties.line.dashStyle = “sysDot”
s2.graphicalProperties.line.width = 100050 # width in EMUs

s2 = c1.series[2]
s2.smooth = True # Make the line smooth

ws.add_chart(c1, “A10”)

from copy import deepcopy
stacked = deepcopy(c1)
stacked.grouping = “stacked”
stacked.title = “Stacked Line Chart”
ws.add_chart(stacked, “A27”)

percent_stacked = deepcopy(c1)
percent_stacked.grouping = “percentStacked”
percent_stacked.title = “Percent Stacked Line Chart”
ws.add_chart(percent_stacked, “A44”)

# Chart with date axis
c2 = LineChart()
c2.title = “Date Axis”
c2.style = 12
c2.y_axis.title = “Size”
c2.y_axis.crossAx = 500
c2.x_axis = DateAxis(crossAx=100)
c2.x_axis.number_format = ‘d-mmm’
c2.x_axis.majorTimeUnit = “days”
c2.x_axis.title = “Date”

c2.add_data(data, titles_from_data=True)
dates = Reference(ws, min_col=1, min_row=2, max_row=7)
c2.set_categories(dates)

ws.add_chart(c2, “A61”)

wb.save(“line.xlsx”)

3D Line Charts

In 3D line charts the third axis is the same as the legend for the series.

该部分代码如下（直到图片位置结束）：

from datetime import date

from openpyxl import Workbook
from openpyxl.chart import (
LineChart3D,
Reference,
)
from openpyxl.chart.axis import DateAxis

wb = Workbook()
ws = wb.active

for row in rows:
ws.append(row)

c1 = LineChart3D()
c1.title = “3D Line Chart”
c1.legend = None
c1.style = 15
c1.y_axis.title = ‘Size’
c1.x_axis.title = ‘Test Number’

data = Reference(ws, min_col=2, min_row=1, max_col=4, max_row=7)
c1.add_data(data, titles_from_data=True)

ws.add_chart(c1, “A10”)

wb.save(“line3D.xlsx”)

个人使用excel生成图标基本操作，代码示例

from openpyxl import load_workbook
from openpyxl import Workbook
from openpyxl.chart import BarChart, Reference, Series, LineChart# chart = BarChart()  # 条形 图表对象
chart = LineChart()  # 线性 图表对象
# chart.title = "压力变化记录折线图"
chart.style = 2
chart.width = 10
chart.height = 6wb = load_workbook('.\\sample.xlsx')
# ws1=wb.active
# wb = Workbook()
ws = wb.active
# for i in range(10):
#     ws.append([i])values = Reference(ws, min_col=2, min_row=1, max_col=2, max_row=10)
chart.add_data(values)values = Reference(ws, min_col=1, min_row=1, max_col=1, max_row=10)
chart.set_categories(values)ws.add_chart(chart, "E20")
# Save the file
wb.save(".\\sample.xlsx")  # e:\\sample.xlsx