python-pptx 学习

  1 from pptx import Presentation
  2 from pptx.util import Inches
  3 from pptx.chart.data import ChartData
  4 from pptx.enum.chart import XL_TICK_MARK
  5 from pptx.util import Pt
  6 from pptx.dml.color import RGBColor
  7 from pptx.enum.chart import XL_DATA_LABEL_POSITION
  8 from pptx.enum.chart import XL_LEGEND_POSITION
  9 from pptx.enum.chart import XL_CHART_TYPE
 10 from pptx.enum.chart import XL_MARKER_STYLE
 11 
 12 prs = Presentation()
 13 
 14 slide = prs.slides.add_slide(prs.slide_layouts[6])  # 在幻灯片中加入一页6号风格（空白）幻灯片
 15 
 16    # chart1 左上方图
 17 x, y, cx, cy = Inches(0.5), Inches(0.5), Inches(4), Inches(3)  # 按英尺标准指定x，y值
 18 
 19 chart_data = ChartData()  # 图表data类
 20 
 21 chart_data.categories = [u'A班级得分率', u'B班级得分率']  # 图表加入两栏
 22 chart_data.add_series(u'得分率对比', (80.5, 60.5))  # 在两栏分别填入数据
 23 
 24 graphic_frame = slide.shapes.add_chart(
 25 XL_CHART_TYPE.BAR_CLUSTERED, x, y, cx, cy, chart_data)
 26 # add_chart(图表类型，xy表示图表位置，cx cy表示图表宽高，并且插入chart_data中规定好的数据）
 27 
 28 chart = graphic_frame.chart  # 从生成的图表中取出图表类
 29 chart.chart_style = 10  # 图表整体颜色风格
 30 
 31 chart.has_title = True  # 图表是否含有标题，默认为False
 32 chart.chart_title.text_frame.clear()  # 清除原标题
 33 new_paragraph = chart.chart_title.text_frame.add_paragraph()  # 添加一行新标题
 34 new_paragraph.text = '得分率对比'  # 新标题
 35 new_paragraph.font.size = Pt(15)  # 新标题字体大小
 36 
 37 category_axis = chart.category_axis  # category_axis 为chart的category控制类
 38 category_axis.has_major_gridlines = True  # 是否显示纵轴线
 39 category_axis.tick_labels.font.italic = True  # tick_labels为图表下标签，置为斜体
 40 category_axis.tick_labels.font.size = Pt(15)  # 下标签字体大小
 41 category_axis.tick_labels.font.color.rgb = RGBColor(255, 0, 0)  # 标签字体颜色
 42 
 43 value_axis = chart.value_axis  # value_axis 为chart的value控制类
 44 value_axis.maximum_scale = 100.0  # 纵坐标最大值
 45 value_axis.minimum_scale = 0.0  # 纵坐标最小值
 46 value_axis.minor_tick_mark = XL_TICK_MARK.CROSS
 47 value_axis.has_minor_gridlines = True
 48 
 49 tick_labels = value_axis.tick_labels  # tick_labels 为chart的纵轴标签控制类
 50 tick_labels.number_format = '0%'  # 标签显示样式
 51 tick_labels.font.bold = True  # 字体加粗
 52 tick_labels.font.size = Pt(14)  # 字体大小
 53 tick_labels.font.color.rgb = RGBColor(0, 255, 0)  # 标签颜色
 54 
 55 plot = chart.plots[0]  # 取图表中第一个plot
 56 plot.has_data_labels = True  # 是否显示数据标签
 57 data_labels = plot.data_labels  # 数据标签控制类
 58 data_labels.font.size = Pt(13)  # 字体大小
 59 data_labels.font.color.rgb = RGBColor(0, 0, 255)  # 字体颜色
 60 data_labels.position = XL_DATA_LABEL_POSITION.INSIDE_END  # 字体位置
 61 
 62 # chart 2 左下方图
 63 x, y, cx, cy = Inches(0.5), Inches(3.5), Inches(4), Inches(3)  # 按英尺标准指定x，y值
 64 chart_data = ChartData()
 65 chart_data.categories = ['A', 'B', 'C', 'D']
 66 chart_data.add_series(u'A班级选项占比', (80, 10, 9, 10))
 67 chart = slide.shapes.add_chart(
 68    XL_CHART_TYPE.PIE, x, y, cx, cy, chart_data
 69 ).chart  # PIE为饼状图
 70 chart.has_legend = True  # 是否含有下方的说明
 71 chart.legend.position = XL_LEGEND_POSITION.BOTTOM
 72 chart.legend.horz_offset = 0  # 说明位移量 [-1, 1] 默认为0
 73 chart.plots[0].has_data_labels = True  # 饼中是否写入数值
 74 data_labels = chart.plots[0].data_labels
 75 data_labels.number_format = '0%'  # 数值显示格式
 76 data_labels.position = XL_DATA_LABEL_POSITION.INSIDE_END  # 数值布局方式
 77 
 78 chart.has_title = True
 79 chart.chart_title.text_frame.clear()  # 清除原标题
 80 new_paragraph = chart.chart_title.text_frame.add_paragraph()  # 添加一行新标题
 81 new_paragraph.text = 'A班级选项占比'  # 新标题
 82 new_paragraph.font.size = Pt(13)  # 新标题字体大小
 83 
 84 # chart 3 右下方图
 85 x, y, cx, cy = Inches(5.5), Inches(4), Inches(4), Inches(3)  # 按英尺标准指定x，y值
 86 chart_data = ChartData()
 87 chart_data.categories = ['A', 'B', 'C', 'D']
 88 chart_data.add_series(u'B班级选项占比', (0.1, 0.2, 0.3, 0.4))
 89 chart = slide.shapes.add_chart(
 90    XL_CHART_TYPE.PIE, x, y, cx, cy, chart_data
 91    ).chart
 92 
 93 chart.has_legend = True
 94 chart.legend.position = XL_LEGEND_POSITION.BOTTOM
 95 
 96 chart.plots[0].has_data_labels = True
 97 data_labels = chart.plots[0].data_labels
 98 data_labels.number_format = '0%'
 99 data_labels.position = XL_DATA_LABEL_POSITION.INSIDE_END
100 chart.has_title = True
101 chart.chart_title.text_frame.clear()  # 清除原标题
102 new_paragraph = chart.chart_title.text_frame.add_paragraph()  # 添加一行新标题
103 new_paragraph.text = 'B班级选项占比'  # 新标题
104 new_paragraph.font.size = Pt(13)  # 新标题字体大小
105 
106 
107 # chart 4 右上方图
108 x, y, cx, cy = Inches(5.5), Inches(0.5), Inches(4), Inches(3)
109 chart_data = ChartData()
110 chart_data.categories = ['0', '1-3', '4-6', '7-9']
111 chart_data.add_series('', (50, 18, 30, 34))
112 chart = slide.shapes.add_chart(
113 XL_CHART_TYPE.PIE_EXPLODED, x, y, cx, cy, chart_data
114 ).chart
115 
116 chart.has_legend = True
117 chart.legend.position = XL_LEGEND_POSITION.BOTTOM
118 chart.legend.font.size = Pt(13)
119 chart.plots[0].has_data_labels = True
120 data_labels = chart.plots[0].data_labels
121 data_labels.number_format = '0%'
122 data_labels.position = XL_DATA_LABEL_POSITION.INSIDE_END
123 
124 chart.has_title = True
125 chart.chart_title.text_frame.clear()
126 new_title = chart.chart_title.text_frame.add_paragraph()
127 new_title.text = '得分占比'
128 new_title.font.size = Pt(13)
129 
130 prs.save('test.pptx')