python版jpeg合成pdf两种方法

方法一

def jpegtopdf(self,path,outputpdfpath,uuid_): filelist = [] filelist.extend(glob.glob(os.path.join(path, ‘*.jpeg’))) im = Image.open(filelist[0]) maxw = im.size[0] maxh = im.size[1] maxsize = (maxw, maxh) c = canvas.Canvas(outputpdfpath, pagesize=maxsize)

l = len(filelist)
    for i in range(l):
        c.drawImage(filelist[i], 0, 0, maxw, maxh)
        c.showPage()
    c.save()

生成的pdf会出现固定尺寸大小非各个图片自适应

方法二

代码如下: file_list内为个jpeg路径 for x in file_list: # if “jpg” in x or “png” in x or “tif” in x or ‘jpeg’ in x: # new_pic.append(path1 + ‘/’ + x) img = Image.open( x) img = img.convert(‘RGB’) im_list.append(img) img1 = im_list.pop(0) # img1.show() img1.save(path2, “pdf”, resolution=100.0, save_all=True, append_images=im_list) img1.close() 如上会出现顺序错乱问题解决如下: 添加列表排序规则 filelist.sort(key=lambda x: int(re.findall(r’d+, x)[0])) 完美解决!

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