PyQt5是怎样制作PDF拆分功能的
Admin 2022-08-11 群英技术资讯 723 次浏览
今天就跟大家聊聊有关“PyQt5是怎样制作PDF拆分功能的”的内容,可能很多人都不太了解,为了让大家认识和更进一步的了解,小编给大家总结了以下内容,希望这篇“PyQt5是怎样制作PDF拆分功能的”文章能对大家有帮助。本文就是基于PyQt5完成的PDF拆分功能,先看界面:

import os
from PyQt5 import QtCore, QtGui, QtWidgets
import base64
from return_png import img as retu # 引入img变量,赋别名为pdf_cf
class Ui_PdfC(object):
def setupUi(self, PdfC):
tmp = open('return.png', 'wb') # 创建临时的文件
tmp.write(base64.b64decode(retu)) # 把这个one图片解码出来,写入文件中去。
tmp.close()
PdfC.setObjectName("PdfC")
PdfC.setWindowModality(QtCore.Qt.NonModal)
PdfC.resize(1400, 814)
PdfC.setMinimumSize(QtCore.QSize(1400, 814))
PdfC.setMaximumSize(QtCore.QSize(1400, 814))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Window, brush)
PdfC.setPalette(palette)
self.Reback = QtWidgets.QToolButton(PdfC)
self.Reback.setGeometry(QtCore.QRect(10, 10, 51, 41))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ToolTipBase, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ToolTipBase, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ToolTipBase, brush)
self.Reback.setPalette(palette)
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("return.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.Reback.setIcon(icon)
self.Reback.setIconSize(QtCore.QSize(100, 100))
self.Reback.setAutoRaise(True)
self.Reback.setObjectName("Reback")
self.label = QtWidgets.QLabel(PdfC)
self.label.setGeometry(QtCore.QRect(88, 8, 171, 41))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(16)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.frame = QtWidgets.QFrame(PdfC)
self.frame.setGeometry(QtCore.QRect(20, 60, 1351, 161))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Window, brush)
self.frame.setPalette(palette)
self.frame.setAutoFillBackground(True)
self.frame.setFrameShape(QtWidgets.QFrame.Box)
self.frame.setFrameShadow(QtWidgets.QFrame.Plain)
self.frame.setLineWidth(1)
self.frame.setMidLineWidth(0)
self.frame.setObjectName("frame")
self.scwd = QtWidgets.QPushButton(self.frame)
self.scwd.setGeometry(QtCore.QRect(570, 30, 191, 61))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.PlaceholderText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.PlaceholderText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(120, 120, 120))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(120, 120, 120))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 0, 0, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.PlaceholderText, brush)
self.scwd.setPalette(palette)
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(16)
font.setBold(True)
font.setWeight(75)
self.scwd.setFont(font)
self.scwd.setAutoFillBackground(True)
self.scwd.setAutoDefault(False)
self.scwd.setDefault(False)
self.scwd.setFlat(True)
self.scwd.setObjectName("scwd")
self.label_2 = QtWidgets.QLabel(self.frame)
self.label_2.setGeometry(QtCore.QRect(620, 100, 131, 21))
font = QtGui.QFont()
font.setFamily("微软雅黑")
self.label_2.setFont(font)
self.label_2.setObjectName("label_2")
self.frame_2 = QtWidgets.QFrame(PdfC)
self.frame_2.setGeometry(QtCore.QRect(1050, 280, 321, 301))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Window, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Base, brush)
brush = QtGui.QBrush(QtGui.QColor(245, 255, 250))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Window, brush)
self.frame_2.setPalette(palette)
self.frame_2.setAutoFillBackground(True)
self.frame_2.setFrameShape(QtWidgets.QFrame.NoFrame)
self.frame_2.setFrameShadow(QtWidgets.QFrame.Plain)
self.frame_2.setLineWidth(1)
self.frame_2.setMidLineWidth(0)
self.frame_2.setObjectName("frame_2")
self.label_3 = QtWidgets.QLabel(self.frame_2)
self.label_3.setGeometry(QtCore.QRect(20, 20, 191, 31))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(14)
font.setBold(False)
font.setWeight(50)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.xzwd = QtWidgets.QPushButton(self.frame_2)
self.xzwd.setGeometry(QtCore.QRect(30, 190, 271, 61))
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.PlaceholderText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(255, 255, 255, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.PlaceholderText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 217, 159))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Button, brush)
brush = QtGui.QBrush(QtGui.QColor(120, 120, 120))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
brush = QtGui.QBrush(QtGui.QColor(120, 120, 120))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ButtonText, brush)
brush = QtGui.QBrush(QtGui.QColor(0, 0, 0, 128))
brush.setStyle(QtCore.Qt.SolidPattern)
palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.PlaceholderText, brush)
self.xzwd.setPalette(palette)
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(14)
font.setBold(True)
font.setWeight(75)
self.xzwd.setFont(font)
self.xzwd.setAutoFillBackground(True)
self.xzwd.setAutoDefault(False)
self.xzwd.setDefault(False)
self.xzwd.setFlat(True)
self.xzwd.setObjectName("xzwd")
self.label_5 = QtWidgets.QLabel(self.frame_2)
self.label_5.setGeometry(QtCore.QRect(30, 60, 131, 21))
font = QtGui.QFont()
font.setFamily("微软雅黑")
self.label_5.setFont(font)
self.label_5.setObjectName("label_5")
self.textEdit = QtWidgets.QTextEdit(self.frame_2)
self.textEdit.setGeometry(QtCore.QRect(50, 110, 61, 51))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.textEdit.setFont(font)
self.textEdit.setObjectName("textEdit")
self.label_6 = QtWidgets.QLabel(self.frame_2)
self.label_6.setGeometry(QtCore.QRect(140, 130, 41, 21))
font = QtGui.QFont()
font.setFamily("微软雅黑")
self.label_6.setFont(font)
self.label_6.setObjectName("label_6")
self.textEdit_2 = QtWidgets.QTextEdit(self.frame_2)
self.textEdit_2.setGeometry(QtCore.QRect(200, 110, 61, 51))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.textEdit_2.setFont(font)
self.textEdit_2.setObjectName("textEdit_2")
self.label_7 = QtWidgets.QLabel(PdfC)
self.label_7.setGeometry(QtCore.QRect(480, 250, 71, 21))
font = QtGui.QFont()
font.setFamily("微软雅黑")
self.label_7.setFont(font)
self.label_7.setObjectName("label_7")
self.label_4 = QtWidgets.QLabel(PdfC)
self.label_4.setGeometry(QtCore.QRect(270, 290, 461, 511))
self.label_4.setFrameShape(QtWidgets.QFrame.Box)
self.label_4.setFrameShadow(QtWidgets.QFrame.Plain)
self.label_4.setLineWidth(1)
self.label_4.setText("")
self.label_4.setObjectName("label_4")
self.retranslateUi(PdfC)
QtCore.QMetaObject.connectSlotsByName(PdfC)
os.remove("return.png")
def retranslateUi(self, PdfC):
_translate = QtCore.QCoreApplication.translate
PdfC.setWindowTitle(_translate("PdfC", "PDF拆分"))
self.Reback.setText(_translate("PdfC", "..."))
self.label.setText(_translate("PdfC", "PDF拆分"))
self.scwd.setText(_translate("PdfC", "+ 上传文档"))
self.label_2.setText(_translate("PdfC", "上传文档至此"))
self.label_3.setText(_translate("PdfC", "操作"))
self.xzwd.setText(_translate("PdfC", "开始拆分"))
self.label_5.setText(_translate("PdfC", "输入页数(请勿输0)"))
self.label_6.setText(_translate("PdfC", "到"))
self.label_7.setText(_translate("PdfC", "PDF预览"))
class pdcwindow(QtWidgets.QWidget,Ui_PdfC):
def __init__(self):
super(pdcwindow, self).__init__()
self.setupUi(self)
def re_back(self):
self.close()
def sctp(self):
fileName, fileType = QtWidgets.QFileDialog.getOpenFileName(self, "选取文件", os.getcwd(),"自定义(*.pdf;*);;All Files(*)")
self.f = str(fileName)
self.p, self.s =self.f.split(".")
try:
if self.s == "pdf":
# 打开文件
doc = fitz.open(self.f)
# 读取一页 0代表第1页
page_one = doc.loadPage(0)
# 将第一页转换为Pixmap
page_pixmap = page_one.getPixmap()
# 将Pixmap转换为QImage
image_format = QImage.Format_RGBA8888 if page_pixmap.alpha else QImage.Format_RGB888
page_image = QImage(page_pixmap.samples, page_pixmap.width, page_pixmap.height, page_pixmap.stride,image_format)
#width = page_image.width()
#height = page_image.height()
# QImage 转为QPixmap
pix = QPixmap.fromImage(page_image)
# 设置图片大小自适应标签
self.label_4.setScaledContents(True)
# 给标签设置图像
self.label_4.setPixmap(pix)
else:
msg_box = QMessageBox(QMessageBox.Warning, "错误", "文件不是 pdf 文件,请重新选择!")
msg_box.exec_()
except Exception as e:
pass
def xzwj(self):
pdf_file = PdfFileReader(self.f)
output = PdfFileWriter()
str1 = self.textEdit.toPlainText()
num1 = int(str1)
str2 = self.textEdit_2.toPlainText()
num2 = int(str2)
if num1 == num2:
num1 = num1 - 1
for i in range(num1, num2):
output.addPage(pdf_file.getPage(i))
# 写出pdf
pdf_out = "{}_pdf拆分.{}".format(self.p,self.s)
with open(pdf_out, 'ab') as out_pdf:
output.write(out_pdf)
root = tkinter.Tk()
root.withdraw()
tkinter.messagebox.showinfo("提示", "成功下载到源文件所在文件夹")
说明如下:
(1) def sctp(self): 其中的sctp为按钮的objectName属性名字;def xzwj(self):其中的xzwj为按钮的objectName属性名字;
(2) 可通过点击按钮实现本地文件上传;
fileName, fileType = QtWidgets. QFileDialog.getOpenFileName(self, "选取文件", os.getcwd(), "自定义(*.jpg;*.png;*.jpeg;*);;All Files(*)")
(3) 增加了防错功能,当上传的文档格式不是pdf时,将不执行程序,同时提示错误;
(4) 将pdf第一页转为图片,并用label组件显示;
(5) 在def xzwj(self):程序中可实现按页数拆分pdf;
if __name__ =="__main__": import sys app = QtWidgets.QApplication(sys.argv) win = mywindow() pc = pdcwindow() win.show() win.pdf_cf.clicked.connect(win.pic_main) win.pdf_cf.clicked.connect(pc.show) pc.Reback.clicked.connect(pc.re_back) pc.Reback.clicked.connect(win.show) pc.scwd.clicked.connect(pc.sctp) pc.xzwd.clicked.connect(pc.xzwj) sys.exit(app.exec_())
本文介绍的pdf拆分功能还有一些待完善地方,例如可增加预览功能,实现每页预览,以及如何实现多条件拆分。当然我们可以在后续阶段逐渐完善。
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:mmqy2019@163.com进行举报,并提供相关证据,查实之后,将立刻删除涉嫌侵权内容。
猜你喜欢
python 生成对称矩阵的方法是什么?我们做开发的时候,常会遇到根据一段给定的数组,生成由这一段数组值构成的对称矩阵,这样的需求,那么使用python要怎么实现生成对称矩阵呢?下面我们一起来看看。
这篇文章主要介绍了Python 文件操作方法总结,文章基于python的基础展开Python 文件操作方法,具有一定的参考价值,需要的小伙伴可以参考一下
在Python的备忘单是用于Python 3的编程语言中的单页参考表。 有不少朋友对此感兴趣,下面小编给大家整理和分享了相关知识和资料,易于大家学习和理解,有需要的朋友可以借鉴参考,下面我们一起来了解一下吧。
在Python2和Python3中都提供print()方法来打印信息,但两个版本间的print稍微有差异主要体现在以下几个方面:1 python3中print是一个内置函
今天介绍一下Python中常用的正则表达式处理函数。Python的正则表达式主要有两种方法完成模式匹配:『搜索』和『匹配』 re match re mat
成为群英会员,开启智能安全云计算之旅
立即注册Copyright © QY Network Company Ltd. All Rights Reserved. 2003-2020 群英 版权所有
增值电信经营许可证 : B1.B2-20140078 粤ICP备09006778号 域名注册商资质 粤 D3.1-20240008