JPG2PDF

import PySimpleGUI as sg
from lib.func import jpg2pdf

layout = [[sg.Text('选择"JPG图片"文件夹')], [sg.Input(), sg.FolderBrowse('浏览')],
          [sg.Text('选择"PDF"输出"文件夹')], [sg.Input(), sg.FolderBrowse('浏览')],
          [sg.Button('开始处理'), sg.Button('     关闭     ')]]

window = sg.Window('JPG2PDF', layout, icon='icon/bomb64.ico')
while True:
    event, values = window.read()
    path_jpg = str(values[0]) + '/'
    path_pdf = str(values[1]) + '/'

    # print(path_jpg)
    # print(path_pdf)
    if event in (None, '     关闭     '):
        break
    try:
        jpg2pdf(img_path=path_jpg, pdf_path=path_pdf)
        sg.Popup('程序执行完毕！', no_titlebar=True)
    except Exception as e:
        sg.Popup('请检查选择的文件路径是否正确！', no_titlebar=True)

window.close()

# pyinstaller -F -w jpg2pdf.py --noconsole

func.py

import glob
import fitz  # 导入本模块需安装pymupdf库
import os


def jpg2pdf(img_path, pdf_path):
    '''
    将文件夹中所有jpg图片分别转换为同一名称的pdf文件，并保存至指定文件夹
    :param img_path: 
    :param pdf_path: 
    :return: 
    '''
    for img in glob.glob(img_path + "\*.jpg"):
        file_name = os.path.basename(img).replace('jpg', 'pdf')
        doc = fitz.open()
        imgdoc = fitz.open(img)
        pdfbytes = imgdoc.convertToPDF()
        imgpdf = fitz.open("pdf", pdfbytes)
        doc.insertPDF(imgpdf)
        doc.save(pdf_path + '\\' + file_name)
        doc.close()


img_path = 'jpg'
pdf_path = 'pdf'
jpg2pdf(img_path, pdf_path)