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index.py
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from PyQt5.QtWidgets import *
from PyQt5.QtGui import QIcon
from PyPDF2 import PdfFileReader, PdfFileWriter
import difflib
import os
from PyQt5.QtCore import QRect, QCoreApplication, QMetaObject
class Ui_Form(object):
def setupUi(self, Form):
if not Form.objectName():
Form.setObjectName(u"Form")
Form.resize(527, 501)
self.list = QListWidget(Form)
self.list.setObjectName(u"list")
self.list.setGeometry(QRect(240, 70, 256, 341))
self.label = QLabel(Form)
self.label.setObjectName(u"label")
self.label.setGeometry(QRect(130, 20, 241, 41))
self.label.setStyleSheet(u"font-size: 28px;\n"
"font: 75 22pt \"Consolas\";\n"
"align: center;")
self.gridLayoutWidget = QWidget(Form)
self.gridLayoutWidget.setObjectName(u"gridLayoutWidget")
self.gridLayoutWidget.setGeometry(QRect(50, 150, 171, 80))
self.gridLayout = QGridLayout(self.gridLayoutWidget)
self.gridLayout.setObjectName(u"gridLayout")
self.gridLayout.setContentsMargins(0, 0, 0, 0)
self.label_3 = QLabel(self.gridLayoutWidget)
self.label_3.setObjectName(u"label_3")
self.label_3.setStyleSheet(u"font: 12pt Consolas")
self.gridLayout.addWidget(self.label_3, 1, 0, 1, 1)
self.label_2 = QLabel(self.gridLayoutWidget)
self.label_2.setObjectName(u"label_2")
self.label_2.setStyleSheet(u"font: 12pt Consolas;")
self.gridLayout.addWidget(self.label_2, 0, 0, 1, 1)
self.start = QSpinBox(self.gridLayoutWidget)
self.start.setObjectName(u"start")
self.gridLayout.addWidget(self.start, 0, 1, 1, 1)
self.end = QSpinBox(self.gridLayoutWidget)
self.end.setObjectName(u"end")
self.gridLayout.addWidget(self.end, 1, 1, 1, 1)
self.select = QPushButton(Form)
self.select.setObjectName(u"select")
self.select.setGeometry(QRect(50, 70, 171, 71))
self.select.setStyleSheet(u"font: 75 15pt \"Consolas\";")
self.verticalLayoutWidget = QWidget(Form)
self.verticalLayoutWidget.setObjectName(u"verticalLayoutWidget")
self.verticalLayoutWidget.setGeometry(QRect(50, 250, 171, 161))
self.verticalLayout = QVBoxLayout(self.verticalLayoutWidget)
self.verticalLayout.setObjectName(u"verticalLayout")
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
self.add = QPushButton(self.verticalLayoutWidget)
self.add.setObjectName(u"add")
self.add.setStyleSheet(u"font: 12px Arial; ")
self.verticalLayout.addWidget(self.add)
self.verticalSpacer = QSpacerItem(
20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
self.verticalLayout.addItem(self.verticalSpacer)
self.delete_one = QPushButton(self.verticalLayoutWidget)
self.delete_one.setObjectName(u"delete_one")
self.delete_one.setStyleSheet(u"font: 12px Arial;")
self.verticalLayout.addWidget(self.delete_one)
self.delete_all = QPushButton(self.verticalLayoutWidget)
self.delete_all.setObjectName(u"delete_all")
self.delete_all.setStyleSheet(u"font: 12px Arial;\n"
"")
self.verticalLayout.addWidget(self.delete_all)
self.horizontalLayoutWidget = QWidget(Form)
self.horizontalLayoutWidget.setObjectName(u"horizontalLayoutWidget")
self.horizontalLayoutWidget.setGeometry(QRect(50, 430, 441, 51))
self.horizontalLayout = QHBoxLayout(self.horizontalLayoutWidget)
self.horizontalLayout.setObjectName(u"horizontalLayout")
self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
self.out_filename = QLineEdit(self.horizontalLayoutWidget)
self.out_filename.setObjectName(u"out_filename")
self.out_filename.setStyleSheet(u"height: 30px;")
self.out_filename.setMaxLength(30)
self.out_filename.setReadOnly(False)
self.out_filename.setClearButtonEnabled(True)
self.horizontalLayout.addWidget(self.out_filename)
self.extract = QPushButton(self.horizontalLayoutWidget)
self.extract.setObjectName(u"extract")
self.extract.setStyleSheet(u"font: 11pt Consolas;\n"
"height: 30px;")
self.horizontalLayout.addWidget(self.extract)
self.retranslateUi(Form)
QMetaObject.connectSlotsByName(Form)
# setupUi
def retranslateUi(self, Form):
Form.setWindowTitle(QCoreApplication.translate(
"Form", u"Pdf \u62bd\u53d6 - v2.0", None))
self.label.setText(QCoreApplication.translate(
"Form", u"PDF extraction", None))
self.label_3.setText(
QCoreApplication.translate("Form", u"End page", None))
self.label_2.setText(QCoreApplication.translate(
"Form", u"Start page", None))
self.select.setText(QCoreApplication.translate(
"Form", u"Select file", None))
self.add.setText(QCoreApplication.translate(
"Form", u"Add Record", None))
self.delete_one.setText(QCoreApplication.translate(
"Form", u"Delete Record", None))
self.delete_all.setText(QCoreApplication.translate(
"Form", u"Delete All Records", None))
self.out_filename.setPlaceholderText(
QCoreApplication.translate("Form", u"xxx.pdf", None))
self.extract.setText(
QCoreApplication.translate("Form", u"Extract", None))
# retranslateUi
class Window(QWidget):
def __init__(self):
super().__init__()
self.setWindowIcon(QIcon('pdf.png'))
self.ui = Ui_Form()
self.ui.setupUi(self)
self.ui.select.clicked.connect(self.select)
self.ui.add.clicked.connect(self.add_one)
self.ui.delete_one.clicked.connect(self.delete_one)
self.ui.delete_all.clicked.connect(self.delete_all)
self.ui.extract.clicked.connect(self.logout)
self.ui.start.setMaximum(100000)
self.ui.end.setMaximum(100000)
self.ui.start.setMinimum(1)
self.ui.end.setMinimum(1)
self.writer = PdfFileWriter()
self.filename = ''
self.lst = []
def select(self):
file = QFileDialog.getOpenFileName(
self, 'Select a file', '', 'PDF File(*.pdf)')[0]
self.filename = file
self.ui.select.setText(os.path.split(
file)[-1] if file else 'Select file')
def add_one(self):
start = int(self.ui.start.value())
end = int(self.ui.end.value())
self.ui.list.addItem(
f'{os.path.split(self.filename)[-1]} {start}-{end}')
self.lst.append(f'{self.filename}--{start}-{end}')
def delete_one(self):
c = self.ui.list.currentItem()
self.ui.list.takeItem(self.ui.list.row(c))
del self.lst[self.ui.list.row(c)]
def delete_all(self):
self.ui.list.clear()
self.lst = []
def logout(self):
out = self.ui.out_filename.text()
for i in range(len(self.lst)):
text = self.lst[i]
path = text.split('--')[0]
start, end = text.split('--')[1].split('-')
reader = PdfFileReader(open(path, 'rb'))
if not int(start) > int(end):
for bbb in range(int(start)-1, int(end)):
page = reader.getPage(bbb)
self.writer.addPage(page)
else:
QMessageBox.information(self, '警告', f'第{i+1}行参数不正确！！！')
return
if not out.strip():
QMessageBox.information(self, '警告', '文件名不正确。导出失败。')
return
with open(f'C:/Users/Administrator/Desktop/{out}', 'wb') as pdf:
self.writer.write(pdf)
print(difflib.get_close_matches('close', dir(self.writer)))
self.writer = PdfFileWriter()
QMessageBox.information(self, '成功', '导出成功！！！')
if __name__ == '__main__':
a = QApplication([])
w = Window()
w.show()
a.exec_()