Question

我想将图片放入PDF文件中。我的代码如下......

import sys
import xlrd
from PIL import Image
import ImageEnhance
from reportlab.platypus import *
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.rl_config import defaultPageSize
PAGE_HEIGHT=defaultPageSize[1]

styles = getSampleStyleSheet()

Title = "Integrating Diverse Data Sources with Gadfly 2"

Author = "Aaron Watters"

URL = "http://www.chordate.com/"

email = "arw@ifu.net"

from reportlab.lib.units import inch

pageinfo = "%s / %s / %s" % (Author, email, Title)

def myFirstPage(canvas, doc):
    canvas.saveState()
    #canvas.setStrokeColorRGB(1,0,0)
    #canvas.setLineWidth(5)
    #canvas.line(66,72,66,PAGE_HEIGHT-72)
    canvas.setFont('Times-Bold',16)
    canvas.drawString(108, PAGE_HEIGHT-108, Title)
    canvas.setFont('Times-Roman',9)
    canvas.drawString(inch, 0.75 * inch, "First Page / %s" % pageinfo)
    canvas.restoreState()

def myLaterPages(canvas, doc):
    #canvas.drawImage("snkanim.gif", 36, 36)
    canvas.saveState()
    #canvas.setStrokeColorRGB(1,0,0)
    #canvas.setLineWidth(5)
    #canvas.line(66,72,66,PAGE_HEIGHT-72)
    canvas.setFont('Times-Roman',9)
    canvas.drawString(inch, 0.75 * inch, "Page %d %s" % (doc.page, pageinfo))
    canvas.restoreState()

def go():
    Elements.insert(0,Spacer(0,inch))
    doc = SimpleDocTemplate('ss.pdf')
    doc.build(Elements,onFirstPage=myFirstPage, onLaterPages=myLaterPages)

Elements = []

HeaderStyle = styles["Heading1"] # XXXX

def header(txt, style=HeaderStyle, klass=Paragraph, sep=0.3):
    s = Spacer(0.2*inch, sep*inch)
    Elements.append(s)
    para = klass(txt, style)
    Elements.append(para)

ParaStyle = styles["Normal"]

def p(txt):
    return header(txt, style=ParaStyle, sep=0.1)

def open_excel(file= 'exc.xls'):
    try:
        data = xlrd.open_workbook(file)
        return data
    except Exception,e:
        print str(e)

#pre = p # XXX

PreStyle = styles["Code"]

def pre(txt):
    s = Spacer(0.1*inch, 0.1*inch)
    Elements.append(s)
    p = Preformatted(txt, PreStyle)
    Elements.append(p)
p("""\
Relational databases manipulate and store persistent
table structures called relations, such as the following
three tables""")

fp = open("/pdf-ex/downloadwin7.png","rb")
img = Image.open(fp)
img.show()
# HACK
Elements.append(PageBreak())


go()

Answer 1

您遇到名称空间冲突。您的一个import语句是使用名为PIL.Image的类屏蔽Image（这是一个模块，而不是一个类）。

而不是......

from PIL import Image

试试......

import PIL.Image

然后在你的代码中......

fp = open("/pdf-ex/downloadwin7.png","rb")
img = PIL.Image.open(fp)
img.show()

使用大量导入时，请注意命名空间冲突。我一般都非常警惕from some_module import *陈述。

祝你的项目顺利，编码愉快。

Answer 2

请尝试使用from PIL import Image，而不是使用import PIL.Image，因为它似乎会引起一些名称空间冲突

以下是打开图像并在标签中显示的代码：

import PIL.Image
import PIL.ImageTk
from tkinter import *

root = Tk()

root.geometry("400x200")

fp = open("photo.jpeg","rb")
image = PIL.Image.open(fp)
photo = PIL.ImageTk.PhotoImage(image)

label = Label(image=photo)
label.pack()
root.mainloop()

img = Image.open（fp）AttributeError：class Image没有属性'open'

2 个答案: