基于PyQt5完成的PDF拆分功能
PyQt是Qt框架的Python語言實現(xiàn),是最強大的GUI庫之一。PyQt提供了一個設計良好的窗口控件集合,具有更方便的操作性。學過VB的同學會知道,相比與VB的使用,在界面設計上元素更豐富。
本文就是基于PyQt5完成的PDF拆分功能,先看界面:

一、界面PdfC.ui可參考上文如何實現(xiàn),程序代碼如下:
import os
from PyQt5 import QtCore, QtGui, QtWidgets
import base64
from return_png import img as retu # 引入img變量,賦別名為pdf_cf
class Ui_PdfC(object):
def setupUi(self, PdfC):
tmp = open('return.png', 'wb') # 創(chuàng)建臨時的文件
tmp.write(base64.b64decode(retu)) # 把這個one圖片解碼出來,寫入文件中去。
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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("微軟雅黑")
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", "+ 上傳文檔"))
self.label_2.setText(_translate("PdfC", "上傳文檔至此"))
self.label_3.setText(_translate("PdfC", "操作"))
self.xzwd.setText(_translate("PdfC", "開始拆分"))
self.label_5.setText(_translate("PdfC", "輸入頁數(shù)(請勿輸0)"))
self.label_6.setText(_translate("PdfC", "到"))
self.label_7.setText(_translate("PdfC", "PDF預覽"))二、main.py實現(xiàn)主要功能程序如下:
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, "選取文件", os.getcwd(),"自定義(*.pdf;*);;All Files(*)")
? ? ? ? ?self.f = str(fileName)
? ? ? ? ?self.p, self.s =self.f.split(".")
? ? ? ? ?try:
? ? ? ? ? if self.s == "pdf":
? ? ? ? ? ? # 打開文件
? ? ? ? ? ? doc = fitz.open(self.f)
? ? ? ? ? ? # 讀取一頁 0代表第1頁
? ? ? ? ? ? page_one = doc.loadPage(0)
? ? ? ? ? ? # 將第一頁轉(zhuǎn)換為Pixmap
? ? ? ? ? ? page_pixmap = page_one.getPixmap()
? ? ? ? ? ? # 將Pixmap轉(zhuǎn)換為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 轉(zhuǎn)為QPixmap
? ? ? ? ? ? pix = QPixmap.fromImage(page_image)
? ? ? ? ? ? # 設置圖片大小自適應標簽
? ? ? ? ? ? self.label_4.setScaledContents(True)
? ? ? ? ? ? # 給標簽設置圖像
? ? ? ? ? ? self.label_4.setPixmap(pix)
? ? ? ? ? else:
? ? ? ? ? ? msg_box = QMessageBox(QMessageBox.Warning, "錯誤", "文件不是 pdf 文件,請重新選擇!")
? ? ? ? ? ? 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))
? ? ? ? # 寫出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", "成功下載到源文件所在文件夾")說明如下:
(1) def sctp(self): 其中的sctp為按鈕的objectName屬性名字;def xzwj(self):其中的xzwj為按鈕的objectName屬性名字;
(2) 可通過點擊按鈕實現(xiàn)本地文件上傳;
fileName, fileType = QtWidgets. QFileDialog.getOpenFileName(self, "選取文件", os.getcwd(), "自定義(*.jpg;*.png;*.jpeg;*);;All Files(*)")
(3) 增加了防錯功能,當上傳的文檔格式不是pdf時,將不執(zhí)行程序,同時提示錯誤;
(4) 將pdf第一頁轉(zhuǎn)為圖片,并用label組件顯示;
(5) 在def xzwj(self):程序中可實現(xiàn)按頁數(shù)拆分pdf;
三、最后在主程序中加入以上子程序。
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_())
四、總結(jié)
本文介紹的pdf拆分功能還有一些待完善地方,例如可增加預覽功能,實現(xiàn)每頁預覽,以及如何實現(xiàn)多條件拆分。當然我們可以在后續(xù)階段逐漸完善。
到此這篇關(guān)于基于PyQt5完成的PDF拆分功能的文章就介紹到這了,更多相關(guān)PyQt5 PDF拆分內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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