python使用docxtpl库实现图片替换功能

import base64
from docxtpl import DocxTemplate

pl = int(input('输出数字:'))
num = 'D:\\py\\testdata\\1.docx'
tpl = DocxTemplate(num)
# 定义图片名称位置
context = {
    1: '1.jpg',
    2: '2.jpg',  
}
images = "base64"
tmp_img = "%s.jpg" % (pl)
with open(tmp_img, 'wb') as image_tpl:
    data = images.split(',')
    imgs_tmp = base64.b64decode(data[1])
    image_tpl.write(imgs_tmp)
    datas = image_tpl.name
print(datas)
# 判断位置，进行图片替换
if tpl:
    tpl.replace_pic(context.get(pl), datas)
print(tpl)
tpl.save("决定1003.docx")
print(tpl)

from PIL import Image

def replace_image_region(src_path, dest_path, region, replacement_image):
# 加载原始图片和替换区域的图片
image = Image.open(src_path)
replacement = Image.open(replacement_image).convert(image.mode)

# 获取替换区域的大小
region_width, region_height = region[2] - region[0], region[3] - region[1]

# 调整替换图片的大小以匹配替换区域
replacement = replacement.resize((region_width, region_height))

# 通过掩码获取替换区域
mask = Image.new("L", (region_width, region_height), 255)
region_image = image.crop(region)

# 应用掩码和替换图片
region_image.paste(replacement, (0, 0), mask)

# 粘贴图片区域回原图
image.paste(region_image, region)

# 保存新图片
image.save(dest_path)

src_img_path = ‘source.jpg' # 原始图片路径
dest_img_path = ‘destination.jpg' # 替换后保存的图片路径
replacement_img_path = ‘replacement.png' # 替换区域的图片路径
region = (100, 100, 300, 300) # 替换的区域坐标 (左, 上, 右, 下)

replace_image_region(src_img_path, dest_img_path, region, replacement_img_path)

pip install python-docx

import docx
from docx.shared import Cm


def replace_img(in_word_path, out_word_path, output_paragraph_idx, new_img_path, height, width):
    """
    Replace a image in a docx(Word) file.
    :param in_word_path: The path of the input docx file to be replaced
    :param out_word_path: The path of the output docx file
    :param new_img_path: The path of the image that will be the new image in the docx file(i.e. one image(The image is assigned by output_paragraph_idx) will be replaced by the image which is in img_path)
    :param output_paragraph_idx: The paragraph index of the image in the docx file(The index starts with 0)
    :param height: The height of the new image which is in centimeters.
    :param width: The width of the new image which is in centimeters..
    :return: Empty
    """
    doc = docx.Document(in_word_path)
    para = doc.paragraphs[output_paragraph_idx]
    para.clear()
    pic = para.add_run().add_picture(new_img_path)
    pic.height = Cm(height)
    pic.width = Cm(width)
    doc.save(out_word_path)