test_pdf.py 文件源码

def test_21_barCharts(self):
        from reportlab.lib.styles import getSampleStyleSheet
        from reportlab.lib import colors
        from reportlab.platypus import SimpleDocTemplate, Spacer, Paragraph
        from reportlab.pdfbase import pdfmetrics
        from reportlab.graphics.shapes import Drawing
        from reportlab.pdfbase.ttfonts import TTFont
        from reportlab.graphics.charts.barcharts import VerticalBarChart

        pdfmetrics.registerFont(TTFont('chsFont', 'STHeiti Light.ttc'))
        stylesheet = getSampleStyleSheet()

        elements = []
        doc = SimpleDocTemplate("demo.pdf")

        elements.append(Paragraph('<font name="chsFont">JY.zenist.song - ??</font>', stylesheet['Title']))
        elements.append(Spacer(1,12))

        d = Drawing(400,200)
        data = [
            (13,5,20,22,37,45,19,4),
            (14,6,21,23,38,46,20,5)
        ]
        bc = VerticalBarChart()
        bc.x = 50
        bc.y = 50
        bc.height = 125
        bc.width = 300
        bc.data = data
        bc.strokeColor = colors.black
        bc.groupSpacing = 10
        bc.barSpacing = 2.5

        bc.valueAxis._valueMin = 0
        bc.valueAxis._valueMax = 50
        bc.valueAxis._valueStep = 10

        bc.categoryAxis.categoryNames = ['1','2','3','4','5','6','7','8']
        # bc.categoryAxis.style = 'stacked'
        d.add(bc)

        elements.append(d)

        doc.build(elements)