[笔记]Reportlab 生成 PDF(表格)

from reportlab.lib.pagesizes import A4, landscape, cm
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
def gen_pdf(value):
    buf = BytesIO()
    # 自定义字体
    font_path = os.path.realpath(os.path.join(__file__, '../..', 'static', 'fonts', 'msyh.ttf'))
    pdfmetrics.registerFont(TTFont('msyh', font_path))
    from reportlab.lib import fonts, colors
    fonts.addMapping('msyh', 0, 0, 'msyh')
    fonts.addMapping('msyh', 0, 1, 'msyh-Italic')
    # 生成自带模板
    doc = SimpleDocTemplate(buf, pagesize=A4, rightMargin=10, leftMargin=10, topMargin=20, bottomMargin=10)
    doc.pagesize = landscape(A4)
    elements = []
    # 14行 10列
    data = [[''] * 10 for i in range(1, 15)]
    
    # 省略代码：往data数组填充数据
    # 创建表格样式，按顺序加载，会被覆盖
    ts_list = [
      ('FONT', (0, 0), (-1, -1), 'msyh'),
      ('FONTSIZE', (0, 0), (-1, -1), 14),
      ('ALIGN', (0, 0), (-1, -1), 'CENTER'),
      ('TEXTCOLOR', (0, 0), (-1, -1), colors.black),
      # 内部网格
      ('INNERGRID', (0, 0), (-1, -1), 0.05 * cm, colors.black),
      # 单元格底部padding
      ('BOTTOMPADDING', (0, 0), (-1, -1), 8),
      # 外边框
      ('BOX', (0, 0), (-1, -1), 0.075 * cm, colors.black),
      # 单元格组成区域的上方
      # ('LINEABOVE', (0, 0), (-1, -1), 0.025 * cm, colors.white),
    ]
    # 奇数行单元格下方边线弱化
    rows = len(data)
    for i in range(1, rows):
      if i % 2 == 0:
        continue
        else:
          line_below = ('LINEBELOW', (0, i - 1), (-1, i - 1), 0.015 * cm, colors.white)
          ts_list.append(line_below)
    # 生成样式表
    style = getSampleStyleSheet()
    style = style["BodyText"]
    # 自动换行
    style.wordWrap = 'CJK'
    # 创建表格, 每个单元格的width height
    table = Table(data, 2 * cm, 0.9 * cm)
    # 将样式应用到表格
    table_style = TableStyle(ts_list)
    table.setStyle(table_style)
    elements.append(table)
    # 生成PDF
    doc.build(elements)
    pdf_content = buf.getvalue()
    buf.close()
    return pdf_content
gen_pdf(value)

font_path = os.path.realpath(os.path.join(__file__, '../..', 'static', 'src', 'fonts', 'msyh.ttf'))