前言

在日常工作中，我们总是需要创建或修改PPT。但你也可以用Python来创建或修改PPT文件。本文将告诉你如何使用Python-pptx模块自动或用PPT模板生成ppt，以及如何通过实例修改现有的PPT。

（文末送福利）

1.Python模块python-pptx。

python-pptx是Python的一个处理ppt文件的库。它的重点是读写，不能导出，也没有渲染功能。

在使用python-pptx模块之前，需要在终端运行命令**pip3 install -i [pypi.doubanio.com/simple/pyth…]

$ pip3 install -i https://pypi.doubanio.com/simple/ python-pptx
Looking in indexes: https://pypi.doubanio.com/simple/
Collecting python-pptxDownloading https://pypi.doubanio.com/packages/eb/c3/bd8f2316a790291ef5aa5225c740fa60e2cf754376e90cb1a44fde056830/python-pptx-0.6.21.tar.gz (10.1 MB)|████████████████████████████████| 10.1 MB 2.1 MB/s            Preparing metadata (setup.py) ... done
Requirement already satisfied: lxml>=3.1.0 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-pptx) (4.6.2)
Requirement already satisfied: Pillow>=3.3.2 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-pptx) (9.0.1)
Requirement already satisfied: XlsxWriter>=0.5.7 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-pptx) (1.3.7)
Using legacy 'setup.py install' for python-pptx, since package 'wheel' is not installed.
Installing collected packages: python-pptxRunning setup.py install for python-pptx ... done
Successfully installed python-pptx-0.6.21

在终端中运行命令pip show python-pptx来确认安装。

$ pip show python-pptx
Name: python-pptx
Version: 0.6.21
Summary: Generate and manipulate Open XML PowerPoint (.pptx) files
Home-page: http://github.com/scanny/python-pptx
Author: Steve Canny
Author-email: python-pptx@googlegroups.com
License: The MIT License (MIT)
Location: /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages
Requires: lxml, Pillow, XlsxWriter
Required-by:

2.如何使用python-pptx模块创建一个带有简单文本的PPT。

下面的示例源代码将使用python-pptx模块创建一个PPT。

它还将设置PPT的标题和副标题文本，然后将其保存为一个pptx文件。

# Import the Presentation class from the pptx module.
from pptx import Presentation# Create an instance of the Presentation class.
prs = Presentation()
# Create the title slide.
title_slide_layout = prs.slide_layouts[0]
# Add the title slide to the PPT slides array.
slide = prs.slides.add_slide(title_slide_layout)# Get the PPT title object.
title = slide.shapes.title
# Get the PPT subtitle object.
subtitle = slide.placeholders[1]# Set the PPT title.
title.text = "Hello python-pptx Module!"
# Set the PPT title slide sub title.
subtitle.text = "pip install python-pptx"# Save the PPT to a .pptx file.
prs.save("test.pptx")

3.如何使用python-pptx模块在PPT文件中添加图表。

下面的源代码可以创建一个图表并将其添加到输出的PPT文件中。

# Import the Presentation class from the pptx module.
from pptx import Presentation
# Import the ChartData class form the pptx.chart.data package.
from pptx.chart.data import ChartData
# Import the chart type constants variable.
from pptx.enum.chart import XL_CHART_TYPE
# Import the units type.
from pptx.util import Inches# Create the Presentation object to build the PPT file.
prs = Presentation()
# Add a slide to the PPT file.
slide = prs.slides.add_slide(prs.slide_layouts[5])# Create the ChartData object to save the chart data.
chart_data = ChartData()
# Save the categories data in an array, the categories data will be displayed in the horizontal x axis .
chart_data.categories = ['Java', 'Python', 'JavaScript']
# Save the series data in a tuple, the series data will be displayed in the vertial y axis.
chart_data.add_series('Series 1', (19.2, 21.4, 16.7))# Define the x, y axis unit.
x, y, cx, cy = Inches(2), Inches(2), Inches(6), Inches(4.5)# Add the column chart to the PPT slide.
slide.shapes.add_chart(XL_CHART_TYPE.COLUMN_CLUSTERED, x, y, cx, cy, chart_data
)# Save the PPT file.
prs.save('chart-01.pptx')

4.如何使用PPT模板用Python-pptx模块生成PPT文件。

准备一个PPT模板文件（你可以从网上下载一个，或者自己创建一个PPT模板文件）。
加载PPT模板文件，使用python-pptx模块在你的Python源代码中使用指定的幻灯片样式。
向PPT模板文件添加数据，并生成一个新的PPT文件。

下面是源代码的例子。

# Import the pptx module Presentation class.
from pptx import Presentation# Import the pptx x axis unit.
from pptx.util import Inches
from pptx.util import Cm #Inches
# Import the ChartData class.
from pptx.chart.data import ChartData# Import the Chart type XL_CHART_TYPE.
from pptx.enum.chart import XL_CHART_TYPE
from pptx.enum.chart import XL_LEGEND_POSITIONif __name__ == '__main__':# Create the Presentation object based on the template PPT file.prs = Presentation('template.pptx')# Add the first slide, title only slide.title_only_slide_layout = prs.slide_layouts[5]slide = prs.slides.add_slide(title_only_slide_layout)shapes = slide.shapes# Set the slide title textshapes.title.text = 'Report'# Define the chart table data in an array.name_objects = ["object1", "object2", "object3"]name_AIs = ["AI1", "AI2", "AI3"]val_AI1 = (19.2, 21.4, 16.7)val_AI2 = (22.3, 28.6, 15.2)val_AI3 = (20.4, 26.3, 14.2)val_AIs = [val_AI1, val_AI2, val_AI3]# Define the chart table style.rows = 4cols = 4top  = Cm(12.5)left  = Cm(3.5) #Inches(2.0)width = Cm(24) # Inches(6.0)height = Cm(6) # Inches(0.8)# Add the chart table to the slide.table = shapes.add_table(rows, cols, left, top, width, height).table# Set the table column width.table.columns[0].width = Cm(6)# Inches(2.0)table.columns[1].width = Cm(6)table.columns[2].width = Cm(6)table.columns[3].width = Cm(6)# Set the table text row.table.cell(0, 1).text = name_objects[0]table.cell(0, 2).text = name_objects[1]table.cell(0, 3).text = name_objects[2]# Fill data to the table.table.cell(1, 0).text = name_AIs[0]table.cell(1, 1).text = str(val_AI1[0])table.cell(1, 2).text = str(val_AI1[1])table.cell(1, 3).text = str(val_AI1[2])table.cell(2, 0).text = name_AIs[1]table.cell(2, 1).text = str(val_AI2[0])table.cell(2, 2).text = str(val_AI2[1])table.cell(2, 3).text = str(val_AI2[2])table.cell(3, 0).text = name_AIs[2]table.cell(3, 1).text = str(val_AI3[0])table.cell(3, 2).text = str(val_AI3[1])table.cell(3, 3).text = str(val_AI3[2])# Define the ChartData object.chart_data = ChartData()chart_data.categories = name_objectschart_data.add_series(name_AIs[0], val_AI1)chart_data.add_series(name_AIs[1], val_AI2)chart_data.add_series(name_AIs[2], val_AI3)# Add the chart to the PPT file.x, y, cx, cy = Cm(3.5), Cm(4.2), Cm(24), Cm(8)graphic_frame = slide.shapes.add_chart(XL_CHART_TYPE.COLUMN_CLUSTERED, x, y, cx, cy, chart_data)chart = graphic_frame.chartchart.has_legend = Truechart.legend.position = XL_LEGEND_POSITION.TOPchart.legend.include_in_layout = Falsevalue_axis = chart.value_axisvalue_axis.maximum_scale = 100.0value_axis.has_title = Truevalue_axis.axis_title.has_text_frame = Truevalue_axis.axis_title.text_frame.text = "False positive"value_axis.axis_title.text_frame.auto_size# Save a new PPT file based on the template.prs.save('test_template.pptx')

知道你对Python感兴趣的话，便准备了这套python学习资料，毕竟小编也是用这套方法自学并成功上岸的

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