條形碼和二維碼

#引入所需要的基本包
from reportlab.pdfgen import canvas
from reportlab.graphics.barcode import code39, code128, code93
from reportlab.graphics.barcode import eanbc, qr, usps
from reportlab.graphics.shapes import Drawing 
from reportlab.lib.units import mm
from reportlab.graphics import renderPDF

#----------------------------------------------------------------------
 

def createBarCodes(c):
    barcode_value = "1234567890"

    barcode39 = code39.Extended39(barcode_value)
    barcode39Std = code39.Standard39(barcode_value, barHeight=20, stop=1)

    # code93 also has an Extended and MultiWidth version
    barcode93 = code93.Standard93(barcode_value)

    barcode128 = code128.Code128(barcode_value)
    # the multiwidth barcode appears to be broken 
 

    #barcode128Multi = code128.MultiWidthBarcode(barcode_value)

    barcode_usps = usps.POSTNET("50158-9999")

    codes = [barcode39, barcode39Std, barcode93, barcode128, barcode_usps]

    x = 1 * mm
    y = 285 * mm

    for code in codes:
        code.drawOn(c, x, y)
        y = y - 15 * mm

    # draw the eanbc8 code
 

    barcode_eanbc8 = eanbc.Ean8BarcodeWidget(barcode_value)
    d = Drawing(50, 10)
    d.add(barcode_eanbc8)
    renderPDF.draw(d, c, 15, 555)

    # draw the eanbc13 code
    barcode_eanbc13 = eanbc.Ean13BarcodeWidget(barcode_value)
    d = Drawing(50, 10)
    d.add(barcode_eanbc13)
    renderPDF.draw(d, c, 15, 465)

    # draw a QR code
    qr_code = qr.QrCodeWidget('http://blog.csdn.net/webzhuce')
    bounds = qr_code.getBounds()
    width = bounds[2] - bounds[0]
    height = bounds[3] - bounds[1]
    d = Drawing(45, 45, transform=[45./width,0,0,45./height,0,0])
    d.add(qr_code)
    renderPDF.draw(d, c, 15, 405)

#定義要生成的pdf的名稱
c=canvas.Canvas("barcodes.pdf")
#呼叫函式生成條形碼和二維碼，並將canvas物件作為引數傳遞
createBarCodes(c)
#showPage函式：儲存當前頁的canvas
c.showPage()
#save函式：儲存檔案並關閉canvas
c.save()

執行結果：